using NUnit.Framework;
using System;
using System.Collections.Generic;
using Newtonsoft.Json;
using Xamarin.UITest;

namespace fieldapp.UITests
{
    [TestFixture(Platform.Android)]
    [TestFixture(Platform.iOS)]

    public class Tests
    {
        IApp app;
        private readonly Platform _platform;
        private const string testUser = "intern280";
        private const string testPass = "pO$LoW94";

        public Tests(Platform platform)
        {
            this._platform = platform;
        }

        private object Invoke(string method, object val = null)
        {
            if (_platform == Platform.iOS)
            {
                return app.Invoke($"{method}:", val ?? "").ToString();
            }
            return app.Invoke(method, val);
        }

        [SetUp]
        public void BeforeEachTest()
        {
            app = AppInitializer.StartApp(_platform);
            Invoke("SetTestFlag");
        }

        [Test]
        public void TestLogin()
        {
            takeScreenshot("Given that I'm on the login screen, and I click the choose server button");
            ClickButtonWithServers();
            takeScreenshot("Then I should see a list of the available servers");
            SelectServerTP();
            takeScreenshot("When I click on the server from the list, then I should be back on the login screen, and selected server should be visible under 'Server' label");
            AssertLabelHasText("choseServerButtonTest", "thinkproject!", "The correct selected server is not visible in Server label!");
            TestWriteLoginAndPassword(testUser, testPass);
            takeScreenshot("When I fill in the correct login and password, and I tap the login button");
            ClickLoginButton();
            app.WaitForElement("projectslistViewTest", "Projects list did not appear!", timeout: TimeSpan.FromSeconds(300));
            takeScreenshot("Then I should be succesfully logged in and see the list of the projects");
        }

        [Test]
        public void TestProgressIndicator()
        {
            ClickButtonWithServers();
            SelectServerTP();
            AssertLabelHasText("choseServerButtonTest", "thinkproject!", "The correct selected server is not visible in Server label!");
            TestWriteLoginAndPassword(testUser, testPass);
            takeScreenshot("Given that I input the correct credentials on the login screen, when I tap the login button");
            ClickLoginButton();
            app.WaitForElement("progressPageTest", "Progress indicator did not appear!", timeout: TimeSpan.FromSeconds(30));
            takeScreenshot("Then I should see the progress indicator");
            app.WaitForElement("projectslistViewTest", "Projects list did not appear!", timeout: TimeSpan.FromSeconds(350));
            takeScreenshot("And then I should see the list of the projects");
        }

        [Test]
        public void TestLoginWrongCredentials()
        {
            ClickButtonWithServers();
            SelectServerTP();
            AssertLabelHasText("choseServerButtonTest", "thinkproject!", "The correct selected server is not visible in Server label!");
            TestWriteLoginAndPassword("A", "B");
            takeScreenshot("Given that I input the wrong credentials on the login screen, and I tap the login button");
            ClickLoginButton();
            AssertLabelHasText("messageLabelTest", "Login failed", "Error message not displayed");
            takeScreenshot("Then I should see an error message that login has failed");
        }

        [Test]
        public void TestLoginIncorectValues()
        {
            WriteStringToUsername(" ");
            takeScreenshot("Given that I input incorrect values (in this case empty login and password) on the login screen, and I tap the login button");
            ClickLoginButton();
            AssertLabelHasText("messageLabelTest", "Invalid login or password", "Error message not displayed");
            takeScreenshot("Then I should see an error message about invalid login or password");
        }

        [Test]
        public void TestLoginAndChooseProject()
        {
            app.WaitForElement("choseServerButtonTest", "Choose server button did not appear!");
            TestWriteLoginAndPassword(testUser, testPass);
            ClickLoginButton();
            takeScreenshot("Given that I have successfully logged in");
            app.WaitForElement("projectslistViewTest", "Projects list did not appear!", timeout: TimeSpan.FromSeconds(300));
            takeScreenshot("Then I should see the list of the projects. When I tap the project name");
            app.Tap("Template für FotoPusher");
            app.WaitForElement("documentsTypelistViewTest", "Document types list did not appear!", timeout: TimeSpan.FromSeconds(10));
            takeScreenshot("Then I should see the list of types of documents in the project");
        }

        [Test]
        public void TestLoginAndChooseDocumentType()
        {
            LoginAndChooseProject();
            takeScreenshot("Given that I have chosen the project, and I tap the document type");
            app.Tap("Photo Documentation");
            app.WaitForElement("documentsListViewTest", "Document List did not appear!", timeout: TimeSpan.FromSeconds(10));
            takeScreenshot("Then I should see the list of documents in the given category");
        }

        [Test]
        public void TestAddNewDocument()
        {
            LoginAndChooseDocumentType();
            takeScreenshot("Given that I'm on the Document List screen, and I tap the ADD button");
            app.WaitForElement("add", "ADD button did not appear!", timeout: TimeSpan.FromSeconds(10));
            app.Tap("add");

            //Filling the data

            app.WaitForElement("Subject_Entry", "Document Subject text field did not appear!", timeout: TimeSpan.FromSeconds(10));
            takeScreenshot("Then I should be on the New Document screen");
            app.EnterText("Subject_Entry", "doc1");

            app.WaitForElement("Attachments_Entry", "Attachments button did not appear!", timeout: TimeSpan.FromSeconds(10));
            app.Tap("Attachments_Entry");
            AddPhotoAttachment();
            AddPhotoAttachment();
            AddPhotoAttachment();
            app.Back();

            app.WaitForElement("Description_Entry", "Description Entry text field did not appear!", timeout: TimeSpan.FromSeconds(10));
            app.EnterText("Description_Entry", "exampleDescription");
            app.DismissKeyboard();

            if (this._platform == Platform.Android)
            {
                app.WaitForElement(c => c.All().Marked("SelectionPlace_Entry"), "Selection Place Entry text field did not appear!", timeout: TimeSpan.FromSeconds(10));
                app.ScrollDownTo("SelectionPlace_Entry");
                app.Tap("SelectionPlace_Entry");
                app.WaitForElement("select_dialog_listview", "List of buildings did not appear!", timeout: TimeSpan.FromSeconds(10));
                app.Tap("Building A");
                app.WaitForElement(c => c.All().Marked("AuswahlType_Entry"), "Auswahl Type Entry text field did not appear!", timeout: TimeSpan.FromSeconds(10));
                app.ScrollDownTo("AuswahlType_Entry");
                app.Tap("AuswahlType_Entry");
                app.WaitForElement("select_dialog_listview", "List of Auswahl Types did not appear!", timeout: TimeSpan.FromSeconds(10));
                app.Tap("Defect");
            }
            else if (this._platform == Platform.iOS)
            {
                app.Tap("Description_Entry");
                app.DismissKeyboard();
                app.WaitForElement(c => c.All().Marked("SelectionPlace_Entry"), "Selection Place Entry text field did not appear!", timeout: TimeSpan.FromSeconds(10));
                app.ScrollDownTo("SelectionPlace_Entry");
                app.Tap("SelectionPlace_Entry");
                app.WaitForElement(c => c.Class("UIPickerView"), "List of buildings did not appear!", timeout: TimeSpan.FromSeconds(10));
                app.Tap("Building A");
                app.Tap("Done");
                app.WaitForElement(c => c.All().Marked("AuswahlType_Entry"), "Auswahl Type Entry text field did not appear!", timeout: TimeSpan.FromSeconds(10));
                app.ScrollDownTo("AuswahlType_Entry");
                app.Tap("AuswahlType_Entry");
                app.WaitForElement(c => c.Class("UIPickerView"), "List of Auswahl Types did not appear!", timeout: TimeSpan.FromSeconds(10));
                app.Tap("Defect");
                app.Tap("Done");
            }

            app.WaitForElement(c => c.All().Marked("Latitude_Entry"), "Latitude Entry text field did not appear!", timeout: TimeSpan.FromSeconds(10));
            app.ScrollDownTo("Latitude_Entry");
            app.EnterText("Latitude_Entry", "23.23252");
            app.DismissKeyboard();
            app.WaitForElement(c => c.All().Marked("Longitude_Entry"), "Longitude Entry text field did not appear!", timeout: TimeSpan.FromSeconds(10));
            app.ScrollDownTo("Longitude_Entry");
            app.EnterText("Longitude_Entry", "32.2652");
            app.DismissKeyboard();
            setDateInDatePicker(2016, 3, 12);
            takeScreenshot("When I enter the data, and I tap the save button");
            app.WaitForElement("save", "Save button did not appear!", timeout: TimeSpan.FromSeconds(10));
            app.Tap("save");
            app.WaitForElement("doc1", "Added document doc1 did not appear on the list!", timeout: TimeSpan.FromSeconds(10));
            takeScreenshot("Then I should be back on the Document List screen, and the newly added document should be on the list");
            app.Back();
            takeScreenshot("When I go back on the Document Types screen, and I select the document type");
            app.Tap("Photo Documentation");
            app.WaitForElement("documentsListViewTest", "Document list did not appear!", timeout: TimeSpan.FromSeconds(10));
            app.WaitForElement("doc1", "Added document doc1 did not appear on the list!", timeout: TimeSpan.FromSeconds(10));
            takeScreenshot("Then the newly added document should still be there. When I tap on the document name");

            //Checking if the document was saved correctly

            app.Tap("doc1");

            app.WaitForElement(c => c.Marked("Subject_Entry").Text("doc1"), "Subject text field contains incorrect data!", timeout: TimeSpan.FromSeconds(10));

            app.WaitForElement("Attachments_Entry", "Attachments button did not appear!", timeout: TimeSpan.FromSeconds(10));
            app.Tap("Attachments_Entry");
            app.WaitForElement("ImageAttachementListTest", "Attachments list list did not appear!", timeout: TimeSpan.FromSeconds(15));

            for (int i = 1; i <= 3; i++)
            {
                app.WaitForElement("photostub_" + i, "List of attachments contains incorrect attchments!", timeout: TimeSpan.FromSeconds(10));
            }

            app.Back();

            app.WaitForElement(c => c.Marked("Description_Entry").Descendant().Text("exampleDescription"), "Description text field contains incorrect data! Expected value: 'exampleDescription'", timeout: TimeSpan.FromSeconds(10));
            app.WaitForElement(c => c.All().Marked("SelectionPlace_Entry").Text("Building A"), "Selection Place text field contains incorrect data! Expected value: 'Building B'", timeout: TimeSpan.FromSeconds(10));
            app.WaitForElement(c => c.All().Marked("AuswahlType_Entry").Text("Defect"), "Auswahl Type text field contains incorrect data! Expected value: 'Defect'", timeout: TimeSpan.FromSeconds(10));
            app.WaitForElement(c => c.All().Marked("Latitude_Entry").Text("23.23252"), "Latitude text field contains incorrect data! Expected value: '23.23252'", timeout: TimeSpan.FromSeconds(10));
            app.WaitForElement(c => c.All().Marked("Longitude_Entry").Text("32.2652"), "Longitude text field contains incorrect data! Expected value: '32.2652'", timeout: TimeSpan.FromSeconds(10));
            app.WaitForElement(c => c.All().Marked("RecordingDate/Time_Entry").Text("3/12/2016"), "Recording Date/Time text field contains incorrect data! Expected value: '3/12/2016'", timeout: TimeSpan.FromSeconds(10));

            takeScreenshot("Then I should see that entire document was saved properly");

        }

        [Test]
        public void TestGPSCoordinatesFetch()
        {
            app.Device.SetLocation(53.4285, 14.5528);
            LoginAndChooseDocumentType();
            app.WaitForElement("add", "ADD button did not appear!", timeout: TimeSpan.FromSeconds(10));
            app.Tap("add");
            app.WaitForElement("Subject_Entry", "Document Subject text field did not appear!", timeout: TimeSpan.FromSeconds(10));
            takeScreenshot("Given I am on the New Document screen and the device has GPS signal");

            if (this._platform == Platform.Android)
            {
                app.WaitForElement("More options", "More Options button did not appear!", timeout: TimeSpan.FromSeconds(10));
                app.Tap("More options");
                app.WaitForElement("GPS", "GPS button did not appear!", timeout: TimeSpan.FromSeconds(10));
                takeScreenshot("When I open the options menu, and I click the GPS button");
            }
            else if (this._platform == Platform.iOS)
            {
                app.WaitForElement("GPS", "GPS button did not appear!", timeout: TimeSpan.FromSeconds(10));
                takeScreenshot("When I tap the GPS button");
            }

            app.Tap("GPS");

            app.WaitForElement(c => c.All().Marked("Latitude_Entry").Text("53.4285"), "Latitude is incorrect! Expected value: 53.4285", timeout: TimeSpan.FromSeconds(15));
            app.WaitForElement(c => c.All().Marked("Longitude_Entry").Text("14.5528"), "Longitude is incorrect! Expected value: 14.5528", timeout: TimeSpan.FromSeconds(15));
            takeScreenshot("Then the correct GPS coordinates should be fetched and entered into Latutude and Longitude fields");
        }

        [Test]
        public void TestGPSCoordinatesFetchWhenNoSignal()
        {
            Invoke("SetGps", "Noise");
            LoginAndChooseDocumentType();
            app.WaitForElement("add", "ADD button did not appear!", timeout: TimeSpan.FromSeconds(10));
            app.Tap("add");
            app.WaitForElement("Subject_Entry", "Document Subject text field did not appear!", timeout: TimeSpan.FromSeconds(10));
            takeScreenshot("Given I am on the New Document screen and the device's GPS is on but has no signal");

            if (this._platform == Platform.Android)
            {
                app.WaitForElement("More options", "More Options button did not appear!", timeout: TimeSpan.FromSeconds(10));
                app.Tap("More options");
                app.WaitForElement("GPS", "GPS button did not appear!", timeout: TimeSpan.FromSeconds(10));
                takeScreenshot("When I open the options menu, and I click the GPS button");
            }
            else if (this._platform == Platform.iOS)
            {
                app.WaitForElement("GPS", "GPS button did not appear!", timeout: TimeSpan.FromSeconds(10));
                takeScreenshot("When I tap the GPS button");
            }

            app.Tap("GPS");

            app.WaitForElement(c => c.All().Marked("Latitude_Entry").Text("Can't read GPS"), "Latitude is incorrect! Expected value: 'Can't read GPS'", timeout: TimeSpan.FromSeconds(15));
            app.WaitForElement(c => c.All().Marked("Longitude_Entry").Text("Can't read GPS"), "Longitude is incorrect! Expected value: 'Can't read GPS'", timeout: TimeSpan.FromSeconds(15));
            takeScreenshot("Then there should be a 'Can't read GPS' message in both the Latitude and Longitude fields");
        }

        [Test]
        public void TestGPSCoordinatesFetchWhenGPSIsOff()
        {
            Invoke("SetGps", "Off");
            LoginAndChooseDocumentType();
            app.WaitForElement("add", "ADD button did not appear!", timeout: TimeSpan.FromSeconds(10));
            app.Tap("add");
            app.WaitForElement("Subject_Entry", "Document Subject text field did not appear!", timeout: TimeSpan.FromSeconds(10));
            takeScreenshot("Given I am on the New Document screen and the device's GPS is off or unavailable");

            if (this._platform == Platform.Android)
            {
                app.WaitForElement("More options", "More Options button did not appear!", timeout: TimeSpan.FromSeconds(10));
                app.Tap("More options");
                app.WaitForElement("GPS", "GPS button did not appear!", timeout: TimeSpan.FromSeconds(10));
                takeScreenshot("When I open the options menu, and I click the GPS button");
            }
            else if (this._platform == Platform.iOS)
            {
                app.WaitForElement("GPS", "GPS button did not appear!", timeout: TimeSpan.FromSeconds(10));
                takeScreenshot("When I tap the GPS button");
            }

            app.Tap("GPS");

            app.WaitForElement(c => c.All().Marked("Latitude_Entry").Text("GPS unavailable"), "Latitude is incorrect! Expected value: 'GPS unavailable'", timeout: TimeSpan.FromSeconds(15));
            app.WaitForElement(c => c.All().Marked("Longitude_Entry").Text("GPS unavailable"), "Longitude is incorrect! Expected value: 'GPS unavailable'", timeout: TimeSpan.FromSeconds(15));
            takeScreenshot("Then there should be a 'GPS unavailable' message in both the Latitude and Longitude fields");
        }

        [Test]
        public void TestProperFieldsVisibleForNewDocument()
        {
            checkFields("visible");
        }

        [Test]
        public void TestAddPhotoAttachmentFromCamera()
        {
            LoginAndChooseDocumentType();
            app.WaitForElement("add", "ADD button did not appear!", timeout: TimeSpan.FromSeconds(10));
            app.Tap("add");
            app.WaitForElement("Attachments_Entry", "Attachments button did not appear!", timeout: TimeSpan.FromSeconds(10));
            takeScreenshot("Given that I'm on the New Document screen, when I tap the 'Attachments' button");
            app.Tap("Attachments_Entry");
            app.WaitForElement("AddPhotoTest", "'Add Photo' button did not appear!", timeout: TimeSpan.FromSeconds(10));
            takeScreenshot("Then I should be on the Attachments screen. When I tap the 'Add Photo' button");
            app.Tap("AddPhotoTest");
            takeScreenshot("Then the list of options should appear. When I tap the 'Take a photo' option");
            app.WaitForElement("Take a photo", "'Take a photo' button did not appear!", timeout: TimeSpan.FromSeconds(10));
            app.Tap("Take a photo");
            app.WaitForElement("ImageAttachementListTest", "Attachments list list did not appear!", timeout: TimeSpan.FromSeconds(15));
            app.WaitForElement("photostub_1", "Photo wasn't added to the list of attachments!", timeout: TimeSpan.FromSeconds(10));
            app.Back();
            app.WaitForElement("Attachments_Entry", "Attachments button did not appear!", timeout: TimeSpan.FromSeconds(10));
            app.Tap("Attachments_Entry");
            app.WaitForElement("photostub_1", "Photo wasn't added to the list of attachments!", timeout: TimeSpan.FromSeconds(10));
            takeScreenshot("Then the photo should be taken, and it should appear on the list of attachments.");
        }

        [Test]
        public void TestAddPhotoAttachmentFromGallery()
        {
            LoginAndChooseDocumentType();
            app.WaitForElement("add", "ADD button did not appear!", timeout: TimeSpan.FromSeconds(10));
            app.Tap("add");
            app.WaitForElement("Attachments_Entry", "Attachments button did not appear!", timeout: TimeSpan.FromSeconds(10));
            takeScreenshot("Given that I'm on the New Document screen, when I tap the 'Attachments' button");
            app.Tap("Attachments_Entry");
            app.WaitForElement("AddPhotoTest", "'Add Photo' button did not appear!", timeout: TimeSpan.FromSeconds(10));
            takeScreenshot("Then I should be on the Attachments screen. When I tap the 'Add Photo' button");
            app.Tap("AddPhotoTest");
            takeScreenshot("Then the list of options should appear. When I tap the 'Select photo from gallery' option");
            app.WaitForElement("Select photo from gallery", "'Select photo from gallery' button did not appear!", timeout: TimeSpan.FromSeconds(10));
            app.Tap("Select photo from gallery");
            app.WaitForElement("ImageAttachementListTest", "Attachments list list did not appear!", timeout: TimeSpan.FromSeconds(15));
            app.WaitForElement("gallerystub_1", "Photo wasn't added to the list of attachments!", timeout: TimeSpan.FromSeconds(10));
            app.Back();
            app.WaitForElement("Attachments_Entry", "Attachments button did not appear!", timeout: TimeSpan.FromSeconds(10));
            app.Tap("Attachments_Entry");
            app.WaitForElement("gallerystub_1", "Photo wasn't added to the list of attachments!", timeout: TimeSpan.FromSeconds(10));
            takeScreenshot("Then the photo should be selected from gallery, and it should appear on the list of attachments");
        }

        [Test]
        public void TestDeletePhotoAttachment()
        {
            LoginAndAddPhotoAttachment();

            app.WaitForElement("photostub_1", "photostub_1 attachment did not appear!", timeout: TimeSpan.FromSeconds(10));

            if (this._platform == Platform.Android)
            {
                takeScreenshot("Given that I'm on Attachments screen, and there is an attachment added, when I tap and hold the attachment");
                app.TouchAndHold("photostub_1");
                app.WaitForElement("Delete", "'Delete' button didn't appear!", timeout: TimeSpan.FromSeconds(10));
                takeScreenshot("Then 'Delete' button should appear on the upper bar. When I tap the delete button");
            }
            else if (this._platform == Platform.iOS)
            {
                takeScreenshot("Given that I'm on Attachments screen, and there is an attachment added, when I tap and swipe left the attachment");
                app.SwipeRightToLeft("photostub_1");
                app.WaitForElement("Delete", "'Delete' button didn't appear!", timeout: TimeSpan.FromSeconds(10));
                takeScreenshot("Then 'Delete' button should appear to the right of the attachment name. When I tap the delete button");
            }

            app.Tap("Delete");
            app.WaitForNoElement("photostub_1", "Photo is still on the list of attachment but it was supposed to be deleted!", timeout: TimeSpan.FromSeconds(10));
            app.Back();
            app.WaitForElement("Attachments_Entry", "Attachments button did not appear!", timeout: TimeSpan.FromSeconds(10));
            app.Tap("Attachments_Entry");
            app.WaitForNoElement("photostub_1", "Photo is still on the list of attachments but it was supposed to be deleted!", timeout: TimeSpan.FromSeconds(10));
            takeScreenshot("Then the attachment should be removed from the list of attachments");
        }

        [Test]
        public void TestViewAttachmentPreview()
        {
            LoginAndAddPhotoAttachment();
            takeScreenshot("Given that I'm on Attachments screen, and there is an attachment added, when I tap the attachment");
            app.WaitForElement("photostub_1", "photostub_1 attachment did not appear!", timeout: TimeSpan.FromSeconds(10));
            app.Tap("photostub_1");
            app.WaitForElement("photostub_1", "Attachment preview screen did not appear!", timeout: TimeSpan.FromSeconds(10));

            if (this._platform == Platform.Android)
                app.WaitForElement(c => c.Class("FormsImageView"), "Attachment preview did not appear!", timeout: TimeSpan.FromSeconds(10));
            else if (this._platform == Platform.iOS)
                app.WaitForElement(c => c.Class("UINavigationTransitionView").Class("UIImageView"), "Attachment preview did not appear!", timeout: TimeSpan.FromSeconds(10));

            takeScreenshot("Then I should see preview of the attachment");
        }

        [Test]
        public void TestEditDocument()
        {
            //Adding document for test
            AddNewDocument();
            takeScreenshot("Given that I'm on the Document List screen and there is a document already on the list, when I tap on the document");
            app.WaitForElement("doc1", "doc1 document did not appear!", timeout: TimeSpan.FromSeconds(10));
            app.Tap("doc1");
            app.WaitForElement("Subject_Entry", "Document Subject text field did not appear!", timeout: TimeSpan.FromSeconds(10));
            takeScreenshot("Then I should be on the document edit screen");

            //Editing document

            app.ClearText("Subject_Entry");
            app.EnterText("Subject_Entry", "editedSubject");

            if (this._platform == Platform.iOS)
            {
                app.Tap(c => c.All().Marked("Subject_Entry"));
                app.DismissKeyboard();
                app.ClearText("Subject_Entry");
                app.EnterText("Subject_Entry", "editedSubject");
                app.Tap(c => c.All().Marked("Subject_Entry"));
                app.DismissKeyboard();
            }

            //Adding 1 additional attachment (should be 4 now)

            app.WaitForElement("Attachments_Entry", "Attachments button did not appear!", timeout: TimeSpan.FromSeconds(10));
            app.Tap("Attachments_Entry");
            AddPhotoAttachment();
            app.Back();

            app.WaitForElement("Description_Entry", "Description Entry text field did not appear!", timeout: TimeSpan.FromSeconds(10));

            if (this._platform == Platform.Android)
                app.ClearText("Description_Entry");
            else if (this._platform == Platform.iOS)
                app.ClearText(c => c.All().Marked("Description_Entry").Class("UITextView"));

            app.EnterText("Description_Entry", "editedDescription");
            app.DismissKeyboard();

            if (this._platform == Platform.Android)
            {
                app.WaitForElement(c => c.All().Marked("SelectionPlace_Entry"), "Selection Place Entry text field did not appear!", timeout: TimeSpan.FromSeconds(10));
                app.ScrollDownTo("SelectionPlace_Entry");
                app.Tap("SelectionPlace_Entry");
                app.WaitForElement("select_dialog_listview", "List of buildings did not appear!", timeout: TimeSpan.FromSeconds(10));
                app.Tap("Building B");
                app.WaitForElement(c => c.All().Marked("AuswahlType_Entry"), "Auswahl Type Entry text field did not appear!", timeout: TimeSpan.FromSeconds(10));
                app.ScrollDownTo("AuswahlType_Entry");
                app.Tap("AuswahlType_Entry");
                app.WaitForElement("select_dialog_listview", "List of Auswahl Types did not appear!", timeout: TimeSpan.FromSeconds(10));
                app.Tap("Security");
            }
            else if (this._platform == Platform.iOS)
            {
                app.Tap("Description_Entry");
                app.DismissKeyboard();
                app.WaitForElement(c => c.All().Marked("SelectionPlace_Entry"), "Selection Place Entry text field did not appear!", timeout: TimeSpan.FromSeconds(10));
                app.ScrollDownTo("SelectionPlace_Entry");
                app.Tap("SelectionPlace_Entry");
                app.WaitForElement(c => c.Class("UIPickerView"), "List of buildings did not appear!", timeout: TimeSpan.FromSeconds(10));
                app.Tap("Building B");
                app.Tap("Done");
                app.WaitForElement(c => c.All().Marked("AuswahlType_Entry"), "Auswahl Type Entry text field did not appear!", timeout: TimeSpan.FromSeconds(10));
                app.ScrollDownTo("AuswahlType_Entry");
                app.Tap("AuswahlType_Entry");
                app.WaitForElement(c => c.Class("UIPickerView"), "List of Auswahl Types did not appear!", timeout: TimeSpan.FromSeconds(10));
                app.Tap("Security");
                app.Tap("Done");
            }

            app.WaitForElement(c => c.All().Marked("Latitude_Entry"), "Latitude Entry text field did not appear!", timeout: TimeSpan.FromSeconds(10));
            app.ScrollDownTo("Latitude_Entry");
            app.ClearText("Latitude_Entry");
            app.EnterText("Latitude_Entry", "100");
            app.DismissKeyboard();
            app.WaitForElement(c => c.All().Marked("Longitude_Entry"), "Longitude Entry text field did not appear!", timeout: TimeSpan.FromSeconds(10));
            app.ScrollDownTo("Longitude_Entry");
            app.ClearText("Longitude_Entry");
            app.EnterText("Longitude_Entry", "120");
            app.DismissKeyboard();
            setDateInDatePicker(2016, 6, 24);
            takeScreenshot("When I edit the data and I tap the 'SAVE' button");

            //Saving the edited document

            app.WaitForElement("save", "Save button did not appear!", timeout: TimeSpan.FromSeconds(10));
            app.Tap("save");
            app.WaitForElement("editedSubject", "Edited document 'editedSubject' did not appear on the list!", timeout: TimeSpan.FromSeconds(10));
            takeScreenshot("Then I should be back on the Document List screen, and the edited document name should already be visible. When I tap on the document name");
            app.Tap("editedSubject");
            app.WaitForElement("Subject_Entry", "Document Subject text field did not appear!", timeout: TimeSpan.FromSeconds(10));

            //Checking if data got edited

            app.WaitForElement(c => c.Marked("Subject_Entry").Text("editedSubject"), "Subject field was not edited! Expected value: 'editedSubject'", timeout: TimeSpan.FromSeconds(10));

            app.WaitForElement("Attachments_Entry", "Attachments button did not appear!", timeout: TimeSpan.FromSeconds(10));
            app.Tap("Attachments_Entry");

            for (int i = 1; i <= 4; i++)
            {
                app.WaitForElement("photostub_" + i, "List of attachments contains incorrect attachments! 4 attachments - photostub_1/2/3/4 were expected!", timeout: TimeSpan.FromSeconds(10));
            }

            app.Back();

            app.WaitForElement(c => c.Marked("Description_Entry").Descendant().Text("editedDescription"), "Description field was not edited! Expected value: 'editedDescription'", timeout: TimeSpan.FromSeconds(10));
            app.WaitForElement(c => c.All().Marked("SelectionPlace_Entry").Text("Building B"), "Selection Place field was not edited! Expected value: 'Building B'", timeout: TimeSpan.FromSeconds(10));
            app.WaitForElement(c => c.All().Marked("AuswahlType_Entry").Text("Security"), "Auswahl Type field was not edited! Expected value: 'Security'", timeout: TimeSpan.FromSeconds(10));
            app.WaitForElement(c => c.All().Marked("Latitude_Entry").Text("100"), "Latitude field was not edited! Expected value: '100'", timeout: TimeSpan.FromSeconds(10));
            app.WaitForElement(c => c.All().Marked("Longitude_Entry").Text("120"), "Longitude field was not edited! Expected value: '120'", timeout: TimeSpan.FromSeconds(10));
            app.WaitForElement(c => c.All().Marked("RecordingDate/Time_Entry").Text("6/24/2016"), "Recording Date/Time text field was not edited! Expected value: '6/24/2016'", timeout: TimeSpan.FromSeconds(10));
            takeScreenshot("Then I should see the edited document. When I tap the 'Attachments button'");

            //Additional step for checking if attachment list gets saved correctly after deleting the attachment

            app.WaitForElement("Attachments_Entry", "Attachments button did not appear!", timeout: TimeSpan.FromSeconds(10));
            app.Tap("Attachments_Entry");

            app.WaitForElement("photostub_4", "Attachment 'photostub_4' did not appear!", timeout: TimeSpan.FromSeconds(10));

            if (this._platform == Platform.Android)
                app.TouchAndHold("photostub_4");
            else if (this._platform == Platform.iOS)
                app.SwipeRightToLeft("photostub_4");

            app.WaitForElement("Delete", "'Delete' button didn't appear!", timeout: TimeSpan.FromSeconds(10));
            takeScreenshot("And I delete the last attachment on the list");
            app.Tap("Delete");
            app.Back();

            takeScreenshot("And I go back and save the edited document");
            app.WaitForElement("save", "Save button did not appear!", timeout: TimeSpan.FromSeconds(10));
            app.Tap("save");
            app.WaitForElement("editedSubject", "Edited document 'editedSubject' did not appear on the list!", timeout: TimeSpan.FromSeconds(10));
            app.Tap("editedSubject");

            app.WaitForElement("Attachments_Entry", "Attachments button did not appear!", timeout: TimeSpan.FromSeconds(10));
            app.Tap("Attachments_Entry");

            for (int i = 1; i <= 3; i++)
            {
                app.WaitForElement("photostub_" + i, "List of attachments contains incorrect attachments! 3 attachments - photostub_1/2/3 were expected!", timeout: TimeSpan.FromSeconds(10));
            }

            app.WaitForNoElement("photostub_4", "List of attachments contains incorrect attachments! 3 attachments - photostub_1/2/3 were expected!", timeout: TimeSpan.FromSeconds(10));
            takeScreenshot("Then when I go back on the attachments screen, I should see that the last attachment was deleted and there are only 3 attachments now");
        }

        [Test]
        public void TestRemoveDocument()
        {
            //Adding document for test
            AddNewDocument();

            app.WaitForElement("doc1", "doc1 document did not appear!", timeout: TimeSpan.FromSeconds(10));

            if (this._platform == Platform.Android)
            {
                takeScreenshot("Given that I'm on the Document List screen and there is a document already on the list, when I tap and hold the document name");
                app.TouchAndHold("doc1");
                app.WaitForElement("Delete", "'Delete' button didn't appear!", timeout: TimeSpan.FromSeconds(10));
                takeScreenshot("Then 'Delete' button should appear on the upper bar. When I tap the delete button");
            }
            else if (this._platform == Platform.iOS)
            {
                takeScreenshot("Given that I'm on Document List screen, and there is a document already on the list, when I tap and swipe left the document name");
                app.SwipeRightToLeft("doc1");
                app.WaitForElement("Delete", "'Delete' button didn't appear!", timeout: TimeSpan.FromSeconds(10));
                takeScreenshot("Then 'Delete' button should appear to the right of the document name. When I tap the delete button");
            }
            app.Tap("Delete");
            app.WaitForNoElement("doc1", "Document 'doc1' is still on the list of documents, but it was supposed to be deleted!", timeout: TimeSpan.FromSeconds(10));
            takeScreenshot("Then the document should be removed from the list");
        }

        [Test]
        public void TestCheckForRequiredFields()
        {
            checkFields("required");
        }

        [Test]
        public void TestValidationCheckRequiredFields()
        {
            LoginAndChooseDocumentType();
            app.WaitForElement("add", "ADD button did not appear!", timeout: TimeSpan.FromSeconds(10));
            app.Tap("add");
            takeScreenshot("Given that I'm on the New Document screen");
            app.WaitForElement("Subject_Entry", "Document Subject text field did not appear!", timeout: TimeSpan.FromSeconds(10));

            List<string> listOfRequiredFields = getListOfRequiredFields();
            app.Back();

            //fill everything EXCEPT the given required field

            foreach (string requiredFieldName in listOfRequiredFields)
            {
                app.WaitForElement("add", "ADD button did not appear!", timeout: TimeSpan.FromSeconds(10));
                app.Tap("add");

                string requiredFieldEntry = requiredFieldName.Replace(" ", string.Empty) + "_Entry";

                if (String.Compare(requiredFieldEntry, "Subject_Entry") != 0)
                {
                    app.WaitForElement("Subject_Entry", "Document Subject text field did not appear!", timeout: TimeSpan.FromSeconds(10));
                    app.EnterText("Subject_Entry", "doc1");
                }

                if (String.Compare(requiredFieldEntry, "Attachments_Entry") != 0)
                {
                    app.WaitForElement("Attachments_Entry", "Attachments button did not appear!", timeout: TimeSpan.FromSeconds(10));
                    app.Tap("Attachments_Entry");
                    AddPhotoAttachment();
                    AddPhotoAttachment();
                    AddPhotoAttachment();
                    app.Back();
                }

                if (String.Compare(requiredFieldEntry, "Description_Entry") != 0)
                {
                    app.WaitForElement("Description_Entry", "Description Entry text field did not appear!", timeout: TimeSpan.FromSeconds(10));
                    app.EnterText("Description_Entry", "exampleDescription");
                    app.DismissKeyboard();

                    if (this._platform == Platform.iOS)
                    {
                        app.Tap("Description_Entry");
                        app.DismissKeyboard();
                    }
                }


                if (String.Compare(requiredFieldEntry, "SelectionPlace_Entry") != 0)
                {
                    app.WaitForElement(c => c.All().Marked("SelectionPlace_Entry"), "Selection Place Entry text field did not appear!", timeout: TimeSpan.FromSeconds(10));
                    app.ScrollDownTo("SelectionPlace_Entry");
                    app.Tap("SelectionPlace_Entry");

                    if (this._platform == Platform.Android)
                    {
                        app.WaitForElement("select_dialog_listview", "List of buildings did not appear!", timeout: TimeSpan.FromSeconds(10));
                        app.Tap("Building A");
                    }
                    else if (this._platform == Platform.iOS)
                    {
                        app.WaitForElement(c => c.Class("UIPickerView"), "List of buildings did not appear!", timeout: TimeSpan.FromSeconds(10));
                        app.Tap("Building A");
                        app.Tap("Done");
                    }
                }

                if (String.Compare(requiredFieldEntry, "AuswahlType_Entry") != 0)
                {
                    app.WaitForElement(c => c.All().Marked("AuswahlType_Entry"), "Auswahl Type Entry text field did not appear!", timeout: TimeSpan.FromSeconds(10));
                    app.ScrollDownTo("AuswahlType_Entry");
                    app.Tap("AuswahlType_Entry");

                    if (this._platform == Platform.Android)
                    {
                        app.WaitForElement("select_dialog_listview", "List of Auswahl Types did not appear!", timeout: TimeSpan.FromSeconds(10));
                        app.Tap("Defect");
                    }
                    else if (this._platform == Platform.iOS)
                    {
                        app.WaitForElement(c => c.Class("UIPickerView"), "List of Auswahl Types did not appear!", timeout: TimeSpan.FromSeconds(10));
                        app.Tap("Defect");
                        app.Tap("Done");
                    }
                }

                if (String.Compare(requiredFieldEntry, "Latitude_Entry") != 0)
                {
                    app.WaitForElement(c => c.All().Marked("Latitude_Entry"), "Latitude Entry text field did not appear!", timeout: TimeSpan.FromSeconds(10));
                    app.ScrollDownTo("Latitude_Entry");
                    app.EnterText("Latitude_Entry", "23.23252");
                    app.DismissKeyboard();
                }

                if (String.Compare(requiredFieldEntry, "Longitude_Entry") != 0)
                {
                    app.WaitForElement(c => c.All().Marked("Longitude_Entry"), "Longitude Entry text field did not appear!", timeout: TimeSpan.FromSeconds(10));
                    app.ScrollDownTo("Longitude_Entry");
                    app.EnterText("Longitude_Entry", "32.2652");
                    app.DismissKeyboard();
                }

                if (String.Compare(requiredFieldEntry, "RecordingDate/Time_Entry") != 0)
                    setDateInDatePicker(2016, 3, 12);

                takeScreenshot("When I fill all fields except the '" + requiredFieldName + "' field");

                //saving the document

                app.WaitForElement("save", "Save button did not appear!", timeout: TimeSpan.FromSeconds(10));
                app.Tap("save");

                //sending the document

                if (String.Compare(requiredFieldEntry, "Subject_Entry") == 0)
                {
                    if (this._platform == Platform.Android)
                        app.TouchAndHold(c => c.Class("ConditionalFocusLayout"));
                    else if (this._platform == Platform.iOS)
                        app.SwipeRightToLeft(c => c.Class("Xamarin_Forms_Platform_iOS_CellTableViewCell"));
                }
                else
                {
                    if (this._platform == Platform.Android)
                        app.TouchAndHold("doc1");
                    else if (this._platform == Platform.iOS)
                        app.SwipeRightToLeft("doc1");
                }


                app.WaitForElement("Send", "SEND button did not appear!", timeout: TimeSpan.FromSeconds(10));
                takeScreenshot("And I save the document and then try sending it to the server");
                app.Tap("Send");

                //checking for the validation message

                if (this._platform == Platform.Android)
                    app.WaitForElement(c => c.Marked("message").Text("Required field is empty\n Required field missing exception"), "Validation error message did not appear when checking for '" + requiredFieldName + "' required field!", timeout: TimeSpan.FromSeconds(10));
                else if (this._platform == Platform.iOS)
                    app.WaitForElement(c => c.Class("UILabel").Text("Required field is empty\n Required field missing exception"), "Validation error message did not appear when checking for '" + requiredFieldName + "' required field!", timeout: TimeSpan.FromSeconds(10));

                takeScreenshot("Then the validation error message about empty required fields should appear");
                app.WaitForElement("Ok", "OK button did not appear!", timeout: TimeSpan.FromSeconds(10));
                app.Tap("Ok");

                //deleting the document for the next loop run

                if (String.Compare(requiredFieldEntry, "Subject_Entry") == 0)
                {
                    if (this._platform == Platform.Android)
                    {
                        app.WaitForElement(c => c.Class("ConditionalFocusLayout"), "Document with empty subject did not appear!", timeout: TimeSpan.FromSeconds(10));
                        app.TouchAndHold(c => c.Class("ConditionalFocusLayout"));
                    }
                    else if (this._platform == Platform.iOS)
                    {
                        app.WaitForElement(c => c.Class("Xamarin_Forms_Platform_iOS_CellTableViewCell"), "Document with empty subject did not appear!", timeout: TimeSpan.FromSeconds(10));
                        app.SwipeRightToLeft(c => c.Class("Xamarin_Forms_Platform_iOS_CellTableViewCell"));
                    }

                    app.Tap("Delete");
                }
                else
                {
                    app.WaitForElement("doc1", "doc1 document did not appear!", timeout: TimeSpan.FromSeconds(10));

                    if (this._platform == Platform.Android)
                        app.TouchAndHold("doc1");
                    else if (this._platform == Platform.iOS)
                        app.SwipeRightToLeft("doc1");

                    app.Tap("Delete");
                }
            }
        }


        private void AssertLabelHasText(string automationId, string message, string assertionMessage)
        {
            app.WaitForElement(c => c.Marked(automationId).Marked(message));
        }

        private void TestWriteLoginAndPassword(string login, string password)
        {
            WriteStringToUsername(login);
            WriteStringToPassword(password);
            app.DismissKeyboard();
        }

        private void ClickLoginButton()
        {
            app.WaitForElement("ClickedLoginButtonTest", "Login button did not appear!", timeout: TimeSpan.FromSeconds(10));
            app.Tap("ClickedLoginButtonTest");
        }

        private void ClickButtonWithServers()
        {
            app.WaitForElement("choseServerButtonTest", "Choose server button did not appear!");
            app.Tap("choseServerButtonTest");
        }

        private void WriteStringToUsername(string s)
        {
            app.WaitForElement("usernameEntryTest", "Username text field did not appear!");
            app.ClearText("usernameEntryTest");
            app.EnterText("usernameEntryTest", s);
            app.DismissKeyboard();
        }

        private void WriteStringToPassword(string s)
        {
            app.WaitForElement("passwordEntryTest", "Password text field did not appear!");
            app.ClearText("passwordEntryTest");
            app.EnterText("passwordEntryTest", s);
        }

        private void SelectServerTP()
        {
            app.WaitForElement("firstItemServersListTest", "Server did not appear!", timeout: TimeSpan.FromSeconds(10));
            app.Tap("firstItemServersListTest");
        }

        private void LoginAndChooseDocumentType()
        {
            LoginAndChooseProject();
            app.WaitForElement("Photo Documentation", "Photo Documentation button did not appear!", timeout: TimeSpan.FromSeconds(10));
            app.Tap("Photo Documentation");
            app.WaitForElement("documentsListViewTest", "Document List did not appear!", timeout: TimeSpan.FromSeconds(10));
        }

        private void LoginAndChooseProject()
        {
            app.WaitForElement("choseServerButtonTest", "Choose Server button did not appear!");
            TestWriteLoginAndPassword(testUser, testPass);
            ClickLoginButton();
            app.WaitForElement("projectslistViewTest", "Projects List did not appear!", timeout: TimeSpan.FromSeconds(300));
            app.Tap("Template für FotoPusher");
            app.WaitForElement("documentsTypelistViewTest", "Document Type list did not appear!", timeout: TimeSpan.FromSeconds(10));
        }


        private void LoginAndAddPhotoAttachment()
        {
            LoginAndChooseDocumentType();
            app.WaitForElement("add", "ADD button did not appear!", timeout: TimeSpan.FromSeconds(10));
            app.Tap("add");
            app.WaitForElement("Attachments_Entry", "Attachments button did not appear!", timeout: TimeSpan.FromSeconds(10));
            app.Tap("Attachments_Entry");
            app.WaitForElement("AddPhotoTest", "'Add Photo' button did not appear!", timeout: TimeSpan.FromSeconds(10));
            app.Tap("AddPhotoTest");
            app.WaitForElement("Take a photo", "'Take a photo' button did not appear!", timeout: TimeSpan.FromSeconds(10));
            app.Tap("Take a photo");
            app.WaitForElement("ImageAttachementListTest", "Attachments list list did not appear!", timeout: TimeSpan.FromSeconds(15));
            app.WaitForElement("photostub_1", "Photo wasn't added to the list of attachments!", timeout: TimeSpan.FromSeconds(10));
        }

        private void AddPhotoAttachment()
        {
            app.WaitForElement("AddPhotoTest", "'Add Photo' button did not appear!", timeout: TimeSpan.FromSeconds(10));
            app.Tap("AddPhotoTest");
            app.WaitForElement("Take a photo", "'Take a photo' button did not appear!", timeout: TimeSpan.FromSeconds(10));
            app.Tap("Take a photo");
            app.WaitForElement("ImageAttachementListTest", "Attachments list list did not appear!", timeout: TimeSpan.FromSeconds(15));
            app.WaitForElement("photostub_1", "Photo wasn't added to the list of attachments!", timeout: TimeSpan.FromSeconds(10));
        }

        private void AddNewDocument()
        {
            LoginAndChooseDocumentType();
            app.WaitForElement("add", "ADD button did not appear!", timeout: TimeSpan.FromSeconds(10));
            app.Tap("add");

            //Filling the data

            app.WaitForElement("Subject_Entry", "Document Subject text field did not appear!", timeout: TimeSpan.FromSeconds(10));
            app.EnterText("Subject_Entry", "doc1");

            app.WaitForElement("Attachments_Entry", "Attachments button did not appear!", timeout: TimeSpan.FromSeconds(10));
            app.Tap("Attachments_Entry");
            AddPhotoAttachment();
            AddPhotoAttachment();
            AddPhotoAttachment();
            app.Back();

            app.WaitForElement("Description_Entry", "Description Entry text field did not appear!", timeout: TimeSpan.FromSeconds(10));
            app.EnterText("Description_Entry", "exampleDescription");
            app.DismissKeyboard();

            if (this._platform == Platform.Android)
            {
                app.WaitForElement(c => c.All().Marked("SelectionPlace_Entry"), "Selection Place Entry text field did not appear!", timeout: TimeSpan.FromSeconds(10));
                app.ScrollDownTo("SelectionPlace_Entry");
                app.Tap("SelectionPlace_Entry");
                app.WaitForElement("select_dialog_listview", "List of buildings did not appear!", timeout: TimeSpan.FromSeconds(10));
                app.Tap("Building A");
                app.WaitForElement(c => c.All().Marked("AuswahlType_Entry"), "Auswahl Type Entry text field did not appear!", timeout: TimeSpan.FromSeconds(10));
                app.ScrollDownTo("AuswahlType_Entry");
                app.Tap("AuswahlType_Entry");
                app.WaitForElement("select_dialog_listview", "List of Auswahl Types did not appear!", timeout: TimeSpan.FromSeconds(10));
                app.Tap("Defect");
            }
            else if (this._platform == Platform.iOS)
            {
                app.Tap("Description_Entry");
                app.DismissKeyboard();
                app.WaitForElement(c => c.All().Marked("SelectionPlace_Entry"), "Selection Place Entry text field did not appear!", timeout: TimeSpan.FromSeconds(10));
                app.ScrollDownTo("SelectionPlace_Entry");
                app.Tap("SelectionPlace_Entry");
                app.WaitForElement(c => c.Class("UIPickerView"), "List of buildings did not appear!", timeout: TimeSpan.FromSeconds(10));
                app.Tap("Building A");
                app.Tap("Done");
                app.WaitForElement(c => c.All().Marked("AuswahlType_Entry"), "Auswahl Type Entry text field did not appear!", timeout: TimeSpan.FromSeconds(10));
                app.ScrollDownTo("AuswahlType_Entry");
                app.Tap("AuswahlType_Entry");
                app.WaitForElement(c => c.Class("UIPickerView"), "List of Auswahl Types did not appear!", timeout: TimeSpan.FromSeconds(10));
                app.Tap("Defect");
                app.Tap("Done");
            }

            app.WaitForElement(c => c.All().Marked("Latitude_Entry"), "Latitude Entry text field did not appear!", timeout: TimeSpan.FromSeconds(10));
            app.ScrollDownTo("Latitude_Entry");
            app.EnterText("Latitude_Entry", "23.23252");
            app.DismissKeyboard();
            app.WaitForElement(c => c.All().Marked("Longitude_Entry"), "Longitude Entry text field did not appear!", timeout: TimeSpan.FromSeconds(10));
            app.ScrollDownTo("Longitude_Entry");
            app.EnterText("Longitude_Entry", "32.2652");
            app.DismissKeyboard();
            setDateInDatePicker(2016, 3, 12);
            app.WaitForElement("save", "Save button did not appear!", timeout: TimeSpan.FromSeconds(10));
            app.Tap("save");
            app.WaitForElement("doc1", "Added document doc1 did not appear on the list!", timeout: TimeSpan.FromSeconds(10));
            app.Back();
            app.Tap("Photo Documentation");
            app.WaitForElement("documentsListViewTest", "Document list did not appear!", timeout: TimeSpan.FromSeconds(10));
            app.WaitForElement("doc1", "Added document doc1 did not appear on the list!", timeout: TimeSpan.FromSeconds(10));
        }

        private void takeScreenshot(string description)
        {
            string locale = System.Environment.GetEnvironmentVariable("XTC_LOCALE");

            if (0 != String.Compare(locale, "en_GB"))
            {
                app.Screenshot(description);
            }
        }

        private void setDateInDatePicker(int year, int month, int day)
        {
            app.WaitForElement(c => c.All().Marked("RecordingDate/Time_Entry"), "Recording Date/Time Entry text field did not appear!", timeout: TimeSpan.FromSeconds(10));
            app.ScrollDownTo("RecordingDate/Time_Entry");
            app.Tap("RecordingDate/Time_Entry");

            DateTime date = new DateTime(year, month, day);

            int mnth;
            if (this._platform == Platform.Android)
            {
                mnth = date.Month - 1;
                app.WaitForElement("datePicker", "Date Picker did not appear!", timeout: TimeSpan.FromSeconds(10));
                app.Query(c => c.Marked("datePicker").Invoke("updateDate", date.Year, mnth, date.Day));
                app.WaitForElement("OK", "OK button in Date Picker did not appear", timeout: TimeSpan.FromSeconds(10));
                app.Tap("OK");
            }
            else if (this._platform == Platform.iOS)
            {
                mnth = date.Month;
                string yearStr = "" + date.Year;
                string monthStr = date.ToString("MMMM");
                string dateStr = "" + date.Day;

                app.ScrollDownTo(x => x.Text(monthStr), x => x.Class("UIPickerTableView").Index(0));
                app.Tap(x => x.Text(monthStr));
                app.ScrollDownTo(x => x.Text(dateStr), x => x.Class("UIPickerTableView").Index(3));
                app.Tap(x => x.Text(dateStr));
                app.ScrollUpTo(x => x.Text(yearStr), x => x.Class("UIPickerTableView").Index(6));
                app.Tap(x => x.Text(yearStr));
                app.Tap("Done");
            }
        }

        //Possible values: "visible" and "required"
        private void checkFields(string checkVisibleOrRequired)
        {
            LoginAndChooseDocumentType();
            app.WaitForElement("add", "ADD button did not appear!", timeout: TimeSpan.FromSeconds(10));
            app.Tap("add");
            app.WaitForElement("Subject_Entry", "Subject_Entry is required but not marked with a red star!", timeout: TimeSpan.FromSeconds(10));

            string jSONWithFields = (string)Invoke("GetInfoAboutFields");
            JsonStructureForTestOnly jSonStructure = JsonConvert.DeserializeObject<JsonStructureForTestOnly>(jSONWithFields);

            List<string> visibleFieldNames = new List<string>();
            List<string> invisibleFieldNames = new List<string>();
            List<string> requiredFieldNames = new List<string>();

            foreach (var field in jSonStructure.fields)
            {
                string fieldName = field.name;
                string isFieldVisible = field.visible;
                string isFieldRequired = field.required;

                if (0 == String.Compare(checkVisibleOrRequired, "visible")) //if we are checking for visible fields
                {
                    if (0 == String.Compare(isFieldVisible, "true"))
                    {
                        if (0 == String.Compare(isFieldRequired, "true"))
                        {
                            app.WaitForElement(c => c.All().Marked(fieldName + "*"), fieldName + " field is invisible but it was supposed to be visible!", timeout: TimeSpan.FromSeconds(10));
                        }
                        else
                        {
                            app.WaitForElement(c => c.All().Marked(fieldName), fieldName + " field is invisible but it was supposed to be visible!", timeout: TimeSpan.FromSeconds(10));
                        }

                        string entryName = fieldName.Replace(" ", string.Empty) + "_Entry";
                        app.WaitForElement(c => c.All().Marked(entryName), entryName + " field is invisible but it was supposed to be visible!", timeout: TimeSpan.FromSeconds(10));

                        visibleFieldNames.Add(fieldName);
                    }
                    else
                    {
                        if (0 == String.Compare(isFieldRequired, "true"))
                        {
                            app.WaitForNoElement(c => c.All().Marked(fieldName + "*"), fieldName + " field is visible but it was supposed to be invisible!", timeout: TimeSpan.FromSeconds(10));
                        }
                        else
                        {
                            app.WaitForNoElement(c => c.All().Marked(fieldName), fieldName + " field is visible but it was supposed to be invisible!", timeout: TimeSpan.FromSeconds(10));
                        }

                        string entryName = fieldName.Replace(" ", string.Empty) + "_Entry";
                        app.WaitForNoElement(c => c.All().Marked(entryName), entryName + " field is visible but it was supposed to be invisible!", timeout: TimeSpan.FromSeconds(10));

                        invisibleFieldNames.Add(fieldName);
                    }
                }
                else if (0 == String.Compare(checkVisibleOrRequired, "required")) //if we are checking for required fields
                {
                    if (0 == String.Compare(isFieldRequired, "true"))
                    {
                        app.WaitForElement(c => c.All().Marked(fieldName + "*"), fieldName + " field is required but not marked with a red star!", timeout: TimeSpan.FromSeconds(10));
                        requiredFieldNames.Add(fieldName);
                    }
                    else
                    {
                        app.WaitForNoElement(c => c.All().Marked(fieldName + "*"), fieldName + " field is not required but it's with a red star!", timeout: TimeSpan.FromSeconds(10));
                    }
                }
            }

            if (0 == String.Compare(checkVisibleOrRequired, "visible"))
                takeScreenshot("Given that I'm on the New Document screen, then I shall see following fields: '" + String.Join(",", visibleFieldNames) + "', and: '" + String.Join(",", invisibleFieldNames) + "' fields shall not be displayed");
            else if (0 == String.Compare(checkVisibleOrRequired, "required"))
                takeScreenshot("Given that I'm on the New Document screen, then I should see that all the required fields i.e: " + String.Join(",", requiredFieldNames) + "are marked with a red star");
        }

        public class OneFieldForTestOnly
        {
            public string name { get; set; }
            public string visible { get; set; }
            public string required { get; set; }
        }
        public class JsonStructureForTestOnly
        {
            public List<OneFieldForTestOnly> fields { get; set; }
        }

        private List<string> getListOfRequiredFields()
        {

            string jSONWithFields = (string)Invoke("GetInfoAboutFields");

            JsonStructureForTestOnly jSonStructure = JsonConvert.DeserializeObject<JsonStructureForTestOnly>(jSONWithFields);

            List<string> requiredFieldNames = new List<string>();

            foreach (var field in jSonStructure.fields)
            {
                string fieldName = field.name;
                string isFieldRequired = field.required;

                if (0 == String.Compare(isFieldRequired, "true"))
                {
                    requiredFieldNames.Add(fieldName);
                }
            }
            return requiredFieldNames;
        }

        private List<string> getListOfAllVisibleFields()
        {
            string jSONWithFields = (string)Invoke("GetInfoAboutFields");
            JsonStructureForTestOnly jSonStructure = JsonConvert.DeserializeObject<JsonStructureForTestOnly>(jSONWithFields);

            List<string> visibleFieldNames = new List<string>();

            foreach (var field in jSonStructure.fields)
            {
                string fieldName = field.name;
                string isFieldVisible = field.visible;

                if (0 == String.Compare(isFieldVisible, "true"))
                {
                    visibleFieldNames.Add(fieldName);
                }
            }
            return visibleFieldNames;
        }


    }
}