using Magazyn.DataModels;
using Magazyn.Views;
using System;
using System.Collections.Generic;
using System.Linq;
using System.Net.Http;
using System.Text;
using System.Threading.Tasks;
using System.Windows;
using System.Windows.Controls;
using System.Windows.Data;
using System.Windows.Documents;
using System.Windows.Input;
using System.Windows.Media;
using System.Windows.Media.Imaging;
using System.Windows.Navigation;
using System.Windows.Shapes;
using Newtonsoft.Json;
using Newtonsoft.Json.Linq;

using System.Net;
using Magazyn.Windows;

namespace Magazyn
{
	public partial class MainWindow : Window
	{

		public int size = 4;
		public int page = 0;

		bool firstPage;
		bool lastPage;

		HttpClient client;

		public MainWindow()
		{
			InitializeComponent();
			this.Initialized += MainWindow_Initialized;
			themeCombo.Items.Add("Jasno/Niebieski");
			themeCombo.Items.Add("Jasno/Zielony");
			themeCombo.Items.Add("Ciemno/Pomarańczowy");
			themeCombo.SelectedIndex = 0;

			client = new HttpClient();
		}

		private void MainWindow_Initialized(object sender, EventArgs e)
		{
			RefreshListOfFruits();
		}

		private void FruitViewSaveChangingAmountOfFruits(int amountChanged, Fruit fruit)
		{
			string json = "{\"id\": " + fruit.Id.ToString() + ", \"change\": " + amountChanged.ToString() + " }";

			Task<HttpResponseMessage> response = client.PostAsync("https://sysmag.herokuapp.com/api/product/change-quantity", new StringContent(json, Encoding.UTF8, "application/json"));
			while (response.IsCompleted != true) ;

			if (response.Result.StatusCode == HttpStatusCode.BadRequest)
			{
				JObject data = JObject.Parse(response.Result.Content.ReadAsStringAsync().Result.ToString());

				ErrorWindow window;

				if (data["message"].ToString().Contains("Too low"))
				{
					window = new ErrorWindow("Wystąpił błąd niedomiaru. Próbujesz usunąć więcej owoców niż masz w magazynie.");
				}
				else if (data["message"].ToString().Contains("Over max"))
				{
					window = new ErrorWindow("Wystąpił błąd nadmiaru. Próbujesz dodać więcej owoców niż pomieści magazyn.");
				}
				else
				{
					window = new ErrorWindow("Nieznany błąd.");
				}
				window.Owner = this;
				window.ShowDialog();
			}

			RefreshListOfFruits();
		}

		private void RefreshListOfFruits()
		{

			Task<HttpResponseMessage> response = client.GetAsync("https://sysmag.herokuapp.com/api/get-all?page=" + page.ToString() + "&size=" + size.ToString());
			while (response.IsCompleted != true) ;

			if (response.Result.StatusCode != HttpStatusCode.OK)
			{
				ErrorWindow window = new ErrorWindow("Nastąpił błąd połączenia z serwerem.");
				window.Owner = this;
				window.ShowDialog();
				return;
			}

			string responseString = response.Result.Content.ReadAsStringAsync().Result;

			JObject replay = JObject.Parse(responseString);

			firstPage = bool.Parse(replay["first"].ToString());
			lastPage = bool.Parse(replay["last"].ToString());

			Fruit[] fruits = JsonConvert.DeserializeObject<Fruit[]>(replay["content"].ToString());

			UpdateListOfFruits(fruits);
		}

		private void UpdateListOfFruits(Fruit[] list)
		{
			fruitList.Items.Clear();

			foreach (Fruit item in list)
			{
				FruitView fruitView = new FruitView(item);
				fruitView.SaveChangingAmountOfFruits += FruitViewSaveChangingAmountOfFruits;
				fruitList.Items.Add(fruitView);
			}
		}

		private WarehousePrice GetWarehousePrice()
		{
			Task<HttpResponseMessage> response = client.GetAsync("https://sysmag.herokuapp.com/api/get-price-of-all");
			while (response.IsCompleted != true) ;

			WarehousePrice price = JsonConvert.DeserializeObject<WarehousePrice>(response.Result.Content.ReadAsStringAsync().Result.ToString());

			return price;
		}

		private void Value_Click(object sender, RoutedEventArgs e)
		{
			ValueWindow window = new ValueWindow(GetWarehousePrice().Price);
			window.Owner = this;
			window.ShowDialog();
		}

		private void prevButton_Click(object sender, RoutedEventArgs e)
		{
			if (firstPage != true) page--;
			RefreshListOfFruits();
		}

		private void nextButton_Click(object sender, RoutedEventArgs e)
		{
			if (lastPage != true) page++;
			RefreshListOfFruits();
		}

		private void Window_SizeChanged(object sender, SizeChangedEventArgs e)
		{
			Size size = e.NewSize;
			double height = size.Height - 124;
			this.size = (int)(height / 90);
			RefreshListOfFruits();
		}

		private void themeCombo_SelectionChanged(object sender, SelectionChangedEventArgs e)
		{
			var app = App.Current as App;
			app.ChangeTheme(themeCombo.SelectedIndex);
		}
	}
}