using System;
using System.Collections.Generic;
using System.Collections.Specialized;
using System.IO;
using System.Linq;
using System.Net.Http;
using System.Web;
using System.Web.Http;
using System.Web.Http.Results;
using System.Web.UI;
using System.Web.UI.WebControls;
using MySwoleMate300WebApiFinal.Controllers;
using MySwoleMate300WebApiFinal.Models;
using MySwoleMate300WebApiFinal.Models.Meal_List;
using Newtonsoft.Json;

namespace MySwoleMate300WebApiFinal
{
    public partial class AddMeal : System.Web.UI.Page
    {
        protected string jsonFoodString { get; set; }

        protected void Page_Load(object sender, EventArgs e)
        {
            //Check on inital Get reueset when page_loads
            if (Request.HttpMethod == "GET")
            {
                BindData();
            }
            //For checking for POST requests (Useful for the addmeal.js Ajax request
            else if (Request.HttpMethod == "POST")
            {
                MealFoodViewModel mealFood = JsonConvert.DeserializeObject<MealFoodViewModel>(Request.Form["data"]);
                if (mealFood.FoodID.Count > 0)
                {
                    AddMealButton_Click(mealFood);
                }
                else
                {
                    ScriptManager.RegisterStartupScript(this, this.GetType(), "script", "ErrorHandler();", true);
                }
            }
        }

        private HttpClient CreateClient()
        {
            HttpClient client = new HttpClient();
            client.BaseAddress = new Uri("http://localhost:63591/");
            client.DefaultRequestHeaders.Accept.Add(new System.Net.Http.Headers.MediaTypeWithQualityHeaderValue("application/json"));
            return client;
        }

        protected void AddMealButton_Click(MealFoodViewModel addmealFormHttpRequest)
        {
            int mealID = 0;
            string addmealFormHttpRequestString = JsonConvert.SerializeObject(addmealFormHttpRequest);

            using (HttpClient client = CreateClient())
            {
                HttpResponseMessage response = client.PostAsJsonAsync("api/Meals", addmealFormHttpRequestString).Result;

                if (response.IsSuccessStatusCode)
                {
                    string foodstring = response.Content.ReadAsStringAsync().Result;
                    Meal mealView = JsonConvert.DeserializeObject<Meal>(foodstring); ;
                    mealID = mealView.MealID;
                }
                else
                {
                    ScriptManager.RegisterStartupScript(this, this.GetType(), "script", "ErrorHandler();", true);
                }
            }

            using (HttpClient client = CreateClient())
            {
                HttpResponseMessage response = client.PostAsJsonAsync("api/MealFoods/" + mealID, addmealFormHttpRequestString).Result;

                if (response.IsSuccessStatusCode)
                {
                    if (Response.IsClientConnected)
                    {
                        Response.Redirect("~/mealplanner.aspx", false);
                    }
                    else
                    {
                        Response.End();
                        ScriptManager.RegisterStartupScript(this, this.GetType(), "script", "ErrorHandler();", true);
                    }
                }
                else
                {
                    ScriptManager.RegisterStartupScript(this, this.GetType(), "script", "ErrorHandler();", true);
                }
            }
        }

        protected void BindData()
        {
            var client = CreateClient();
            HttpResponseMessage response = client.GetAsync("api/MealCategories/").Result;

            if (response.IsSuccessStatusCode)
            {
                string foodstring = response.Content.ReadAsStringAsync().Result;
                List<CategoriesView> categories = JsonConvert.DeserializeObject<List<CategoriesView>>(foodstring);
                Dictionary<int, string> categoryDictionary = categories.ToDictionary(x => x.MealCategoryID, x => x.MealCategoryName);
                SortedDictionary<int, string> sortedMealDictionary = new SortedDictionary<int, string>(categoryDictionary);
                AddCategoryName.DataSource = sortedMealDictionary;
                AddCategoryName.DataTextField = "Value";
                AddCategoryName.DataValueField = "Key";
                AddCategoryName.DataBind();

                ListItem item = new ListItem("--Select--", "0");
                AddCategoryName.Items.Insert(0, item);
            }
            else
            {
                ScriptManager.RegisterStartupScript(this, this.GetType(), "script", "ErrorHandler();", true);
            }

            ToolTips();
        }

        protected void ToolTips()
        {
            AddMealName.ToolTip = "<span style ='color:red'>*</span> Food Name must be between 1 and 30 characters in length <br/>" +
                                  "<span style ='color:red'>*</span> Food Name must not contain any special characters";

            AddCategoryName.ToolTip = "<span style ='color:red'>*</span> Select a meal for your training";
        }
    }
}