namespace FsharpMvvmCross.UITests

open System
open NUnit.Framework
open Xamarin.UITest
open Xamarin.UITest.Queries
open TickSpec

module LoginScreen =

    let usernameLabel = "UsernameEntry"
    let passwordLabel = "PasswordEntry"
    let loginButton = "Login"

    let enterTextForUsername text (app:IApp) =
        app.Tap(fun x -> x.Marked usernameLabel)
        app.EnterText text
        app.PressEnter()

    let enterTextForPassword text (app:IApp) =
        app.Tap(fun x -> x.Marked passwordLabel)
        app.EnterText text
        app.PressEnter()

    let login (app:IApp) =
        app.Tap(fun x -> x.Marked loginButton)

    let canSeeLoginButton (app:IApp) =
        app.WaitForElement(fun x -> x.Marked loginButton)
        |> Array.filter (fun x -> x.Text = loginButton)
        |> function
        | [|x|] -> ()
        | xs ->
            xs |> Array.iter (fun x -> sprintf "%A %s" x.Class x.Text |> Console.WriteLine)
            sprintf "failed to find button: %s, %A" loginButton xs |> failwith

module NotesScreen =

    let getNotesButton = "Get Notes"

    let canSeeGetNotesButton (app:IApp) =
        app.WaitForElement(fun x -> x.Marked getNotesButton)
        |> Array.filter (fun x -> x.Text = getNotesButton)
        |> function
        | [|x|] -> ()
        | xs ->
            xs |> Array.iter (fun x -> sprintf "%A %s" x.Class x.Text |> Console.WriteLine)
            sprintf "failed to find button: %s, %A" getNotesButton xs |> failwith


module LoginDefinitions =

    let [<Given>] ``I enter the username (.*)`` username =
        LoginScreen.enterTextForUsername username AppInitializer.app

    let [<Given>] ``I enter the password (.*)`` password =
        LoginScreen.enterTextForPassword password AppInitializer.app

    let [<When>] ``I tap login`` () =
        LoginScreen.login AppInitializer.app

    let [<Then>] ``I should be on the Notes screen`` () =
        NotesScreen.canSeeGetNotesButton AppInitializer.app

    let [<Then>] ``I am still on the Login page`` () =
        LoginScreen.canSeeLoginButton AppInitializer.app