using Microsoft.Win32;
using Newtonsoft.Json;
using System;
using System.Collections.Generic;
using System.IO;
using System.Net;
using System.Net.Http;
using System.Text;
using System.Text.RegularExpressions;
using System.Threading.Tasks;
using System.Windows;
using System.Xml.Linq;
using System.Web;
using System.Windows.Controls;
using System.Linq;
using System.Diagnostics;

namespace Label_Translator
{

    /// <summary>
    /// Логика взаимодействия для MainWindow.xaml
    /// </summary>
    public partial class MainWindow : Window
    {
        private string _content;
        private const string key = "SECRET_KEY";

        public MainWindow()
        {
            InitializeComponent();
        }

        private void OpenFileButton (TextBox path, TextBox content)
        {
            var ofd = new OpenFileDialog();
            ofd.Filter = "Текстовый файл (*.txt) | *.txt";

            if ((bool)!ofd.ShowDialog())  return;

            path.Text = ShowFilePath(ofd);
            content.Text = ShowFile(ofd);


        }

        private string ShowFilePath(OpenFileDialog ofd) => Path.GetFullPath(ofd.FileName);

        private string ShowFile(OpenFileDialog ofd)
        {
            _content = File.ReadAllText(ofd.FileName);
            return _content;

        }

        private void OpenFileButtonRu_Click(object sender, RoutedEventArgs e) => OpenFileButton(ShowFilePathRu, ShowFileRu);

        private void OpenFileButtonEn_Click(object sender, RoutedEventArgs e) => OpenFileButton(ShowFilePathEn, ShowFileEn);

        private async void TranslateButton_Click(object sender, RoutedEventArgs e)
        {
			var russianWords = new List<string>();
            var textWithoutRu = Regex.Replace(_content, "[а-яА-ЯёЁ ]+", m => {
                if (m.Value == " ") return " ";
                russianWords.Add(m.Value);
				return $"{{{russianWords.Count - 1}}}";
			});
			var translatedRussianWords = await TranslateRussianList(russianWords);
			ShowFileMod.Text = string.Format(textWithoutRu, translatedRussianWords.ToArray());
        }

        private void SaveButton_Click(object sender, RoutedEventArgs e)
        {
            SaveFileDialog sfd = new SaveFileDialog();
            sfd.Filter = "Текстовый файл (*.txt) | *.txt";

            if (sfd.ShowDialog() == true)
            {
                File.WriteAllText(sfd.FileName, ShowFileMod.Text);
            }
        }
		
		private async Task<List<string>> TranslateRussianList(List<string> words)
		{

            var uri = $"https://a...content-available-to-author-only...r.com/translate?api-version=3.0&from=ru&to=en";
            object[] body = words.Select(t => new { Text = t }).ToArray();
            Debug.WriteLine(body);

            var RequestBody = JsonConvert.SerializeObject(body);
            Debug.WriteLine(RequestBody);



            using (var client = new HttpClient())
            using (var request = new HttpRequestMessage())
            {
                request.Method = HttpMethod.Post;
                request.RequestUri = new Uri(uri);
                request.Content = new StringContent(RequestBody, Encoding.UTF8, "application/json");
                request.Headers.Add("Ocp-Apim-Subscription-Key", key);
                request.Headers.Add("Ocp-Apim-Subscription-Region", "northeurope");

                var response = await client.SendAsync(request);
                var ResponseBody = await response.Content.ReadAsStringAsync();
                Debug.WriteLine(ResponseBody);

                var result = JsonConvert.DeserializeObject<List<Dictionary<string, List<Dictionary<string, string>>>>>(ResponseBody);

                var TranslatedWords = result.Select(t => t["translations"][0]["text"]);

                return TranslatedWords.ToList();
            }

        }
    }
}