using System;
using System.Collections;
using System.Collections.Generic;
using System.Globalization;
using System.Text;
using UnityEngine;

namespace I2.Loc
{
	public static class GoogleTranslation
	{
		public static bool CanTranslate()
		{
			return LocalizationManager.Sources.Count > 0 && !string.IsNullOrEmpty(LocalizationManager.GetWebServiceURL());
		}

		public static void Translate(string text, string LanguageCodeFrom, string LanguageCodeTo, Action<string> OnTranslationReady)
		{
			WWW translationWWW = GetTranslationWWW(text, LanguageCodeFrom, LanguageCodeTo);
			CoroutineManager.pInstance.StartCoroutine(WaitForTranslation(translationWWW, OnTranslationReady, text));
		}

		private static IEnumerator WaitForTranslation(WWW www, Action<string> OnTranslationReady, string OriginalText)
		{
			yield return www;
			if (!string.IsNullOrEmpty(www.error))
			{
				Debug.LogError(www.error);
				OnTranslationReady(string.Empty);
			}
			else
			{
				string obj = ParseTranslationResult(www.text, OriginalText);
				OnTranslationReady(obj);
			}
		}

		public static string ForceTranslate(string text, string LanguageCodeFrom, string LanguageCodeTo)
		{
			WWW translationWWW = GetTranslationWWW(text, LanguageCodeFrom, LanguageCodeTo);
			while (!translationWWW.isDone)
			{
			}
			if (!string.IsNullOrEmpty(translationWWW.error))
			{
				Debug.LogError("-- " + translationWWW.error);
				return string.Empty;
			}
			return ParseTranslationResult(translationWWW.text, text);
		}

		public static WWW GetTranslationWWW(string text, string LanguageCodeFrom, string LanguageCodeTo)
		{
			LanguageCodeFrom = GoogleLanguages.GetGoogleLanguageCode(LanguageCodeFrom);
			LanguageCodeTo = GoogleLanguages.GetGoogleLanguageCode(LanguageCodeTo);
			if (TitleCase(text) == text && text.ToUpper() != text)
			{
				text = text.ToLower();
			}
			string url = string.Format("{0}?action=Translate&list={1}:{2}={3}", LocalizationManager.GetWebServiceURL(), LanguageCodeFrom, LanguageCodeTo, Uri.EscapeUriString(text));
			return new WWW(url);
		}

		public static string ParseTranslationResult(string html, string OriginalText)
		{
			try
			{
				string text = html;
				if (TitleCase(OriginalText) == OriginalText && OriginalText.ToUpper() != OriginalText)
				{
					text = TitleCase(text);
				}
				return text;
			}
			catch (Exception ex)
			{
				Debug.LogError(ex.Message);
				return string.Empty;
			}
		}

		public static void Translate(List<TranslationRequest> requests, Action<List<TranslationRequest>> OnTranslationReady)
		{
			WWW translationWWW = GetTranslationWWW(requests);
			CoroutineManager.pInstance.StartCoroutine(WaitForTranslation(translationWWW, OnTranslationReady, requests));
		}

		public static WWW GetTranslationWWW(List<TranslationRequest> requests)
		{
			StringBuilder stringBuilder = new StringBuilder();
			stringBuilder.Append(LocalizationManager.GetWebServiceURL());
			stringBuilder.Append("?action=Translate&list=");
			bool flag = true;
			foreach (TranslationRequest request in requests)
			{
				if (!flag)
				{
					stringBuilder.Append("<I2Loc>");
				}
				stringBuilder.Append(request.LanguageCode);
				stringBuilder.Append(":");
				for (int i = 0; i < request.TargetLanguagesCode.Length; i++)
				{
					if (i != 0)
					{
						stringBuilder.Append(",");
					}
					stringBuilder.Append(request.TargetLanguagesCode[i]);
				}
				stringBuilder.Append("=");
				string stringToEscape = ((!(TitleCase(request.Text) == request.Text)) ? request.Text : request.Text.ToLowerInvariant());
				stringBuilder.Append(Uri.EscapeUriString(stringToEscape));
				flag = false;
			}
			string url = stringBuilder.ToString();
			return new WWW(url);
		}

		private static IEnumerator WaitForTranslation(WWW www, Action<List<TranslationRequest>> OnTranslationReady, List<TranslationRequest> requests)
		{
			yield return www;
			if (!string.IsNullOrEmpty(www.error))
			{
				Debug.LogError(www.error);
				OnTranslationReady(requests);
			}
			else
			{
				ParseTranslationResult(www.text, requests);
				OnTranslationReady(requests);
			}
		}

		public static string ParseTranslationResult(string html, List<TranslationRequest> requests)
		{
			if (html.StartsWith("<!DOCTYPE html>") || html.StartsWith("<HTML>"))
			{
				return "There was a problem contacting the WebService. Please try again later";
			}
			string[] array = html.Split(new string[1] { "<I2Loc>" }, StringSplitOptions.None);
			string[] separator = new string[1] { "<i2>" };
			for (int i = 0; i < Mathf.Min(requests.Count, array.Length); i++)
			{
				TranslationRequest value = requests[i];
				value.Results = array[i].Split(separator, StringSplitOptions.None);
				if (TitleCase(value.Text) == value.Text)
				{
					for (int j = 0; j < value.Results.Length; j++)
					{
						value.Results[j] = TitleCase(value.Results[j]);
					}
				}
				requests[i] = value;
			}
			return string.Empty;
		}

		public static string UppercaseFirst(string s)
		{
			if (string.IsNullOrEmpty(s))
			{
				return string.Empty;
			}
			char[] array = s.ToLower().ToCharArray();
			array[0] = char.ToUpper(array[0]);
			return new string(array);
		}

		public static string TitleCase(string s)
		{
			if (string.IsNullOrEmpty(s))
			{
				return string.Empty;
			}
			return CultureInfo.CurrentCulture.TextInfo.ToTitleCase(s);
		}
	}
}