using System;
using System.Collections;
using System.Collections.Generic;
using System.Diagnostics;
using System.Net;
using System.Reflection;
using System.Runtime.CompilerServices;
using System.Security.Cryptography;
using System.Text;
using SimpleJSON;
using XUnity.AutoTranslator.Plugin.Core;
using XUnity.AutoTranslator.Plugin.Core.Constants;
using XUnity.AutoTranslator.Plugin.Core.Endpoints;
using XUnity.AutoTranslator.Plugin.Core.Endpoints.Http;
using XUnity.AutoTranslator.Plugin.Core.Extensions;
using XUnity.AutoTranslator.Plugin.Core.Utilities;
using XUnity.AutoTranslator.Plugin.Core.Web;
using XUnity.Common.Utilities;

[assembly: CompilationRelaxations(8)]
[assembly: RuntimeCompatibility(WrapNonExceptionThrows = true)]
[assembly: Debuggable(DebuggableAttribute.DebuggingModes.IgnoreSymbolStoreSequencePoints)]
[assembly: AssemblyCompany("gravydevsupreme, Bepis, others at https://github.com/bbepis/XUnity.AutoTranslator")]
[assembly: AssemblyConfiguration("Release")]
[assembly: AssemblyCopyright("Copyright © 2018 / MIT License")]
[assembly: AssemblyFileVersion("5.6.1.0")]
[assembly: AssemblyInformationalVersion("5.6.1+7f1f3b9e8fc7d93a97734773804ba9c8fdf57714")]
[assembly: AssemblyProduct("BaiduTranslate")]
[assembly: AssemblyTitle("BaiduTranslate")]
[assembly: AssemblyVersion("5.6.1.0")]
namespace BaiduTranslate;

internal class BaiduTranslateEndpoint : HttpEndpoint
{
	[CompilerGenerated]
	private sealed class <OnBeforeTranslate>d__13 : IEnumerator<object>, IDisposable, IEnumerator
	{
		private int <>1__state;

		private object <>2__current;

		public BaiduTranslateEndpoint <>4__this;

		private float <realtimeSinceStartup>5__2;

		private float <end>5__3;

		object IEnumerator<object>.Current
		{
			[DebuggerHidden]
			get
			{
				return <>2__current;
			}
		}

		object IEnumerator.Current
		{
			[DebuggerHidden]
			get
			{
				return <>2__current;
			}
		}

		[DebuggerHidden]
		public <OnBeforeTranslate>d__13(int <>1__state)
		{
			this.<>1__state = <>1__state;
		}

		[DebuggerHidden]
		void IDisposable.Dispose()
		{
			<>1__state = -2;
		}

		private bool MoveNext()
		{
			int num = <>1__state;
			BaiduTranslateEndpoint baiduTranslateEndpoint = <>4__this;
			switch (num)
			{
			default:
				return false;
			case 0:
			{
				<>1__state = -1;
				<realtimeSinceStartup>5__2 = TimeHelper.realtimeSinceStartup;
				float num2 = <realtimeSinceStartup>5__2 - baiduTranslateEndpoint._lastRequestTimestamp;
				if (!(num2 < baiduTranslateEndpoint._delay))
				{
					break;
				}
				float num3 = baiduTranslateEndpoint._delay - num2;
				object obj = CoroutineHelper.CreateWaitForSecondsRealtime(num3);
				if (obj != null)
				{
					<>2__current = obj;
					<>1__state = 1;
					return true;
				}
				float num4 = <realtimeSinceStartup>5__2;
				<end>5__3 = num4 + num3;
				goto IL_00a5;
			}
			case 1:
				<>1__state = -1;
				break;
			case 2:
				{
					<>1__state = -1;
					goto IL_00a5;
				}
				IL_00a5:
				if (<realtimeSinceStartup>5__2 < <end>5__3)
				{
					<>2__current = null;
					<>1__state = 2;
					return true;
				}
				break;
			}
			baiduTranslateEndpoint._lastRequestTimestamp = TimeHelper.realtimeSinceStartup;
			return false;
		}

		bool IEnumerator.MoveNext()
		{
			//ILSpy generated this explicit interface implementation from .override directive in MoveNext
			return this.MoveNext();
		}

		[DebuggerHidden]
		void IEnumerator.Reset()
		{
			throw new NotSupportedException();
		}
	}

	private static readonly Dictionary<string, string> SupportedLanguages = new Dictionary<string, string>
	{
		{ "en", "en" },
		{ "ja", "jp" },
		{ "jp", "jp" },
		{ "zh", "zh" },
		{ "zh-Hans", "zh" },
		{ "zh-CN", "zh" },
		{ "zh-Hant", "cht" },
		{ "zh-TW", "cht" },
		{ "ko", "kor" },
		{ "kor", "kor" },
		{ "fra", "fra" },
		{ "fr", "fra" },
		{ "spa", "spa" },
		{ "es", "spa" },
		{ "ara", "ara" },
		{ "ar", "ara" },
		{ "bg", "bul" },
		{ "bul", "bul" },
		{ "et", "est" },
		{ "est", "est" },
		{ "da", "dan" },
		{ "dan", "dan" },
		{ "fi", "fin" },
		{ "fin", "fin" },
		{ "ro", "rom" },
		{ "rom", "rom" },
		{ "sl", "slo" },
		{ "slo", "slo" },
		{ "vi", "vie" },
		{ "vie", "vie" },
		{ "sv", "swe" },
		{ "swe", "swe" },
		{ "th", "th" },
		{ "ru", "ru" },
		{ "pt", "pt" },
		{ "de", "de" },
		{ "it", "it" },
		{ "el", "el" },
		{ "nl", "nl" },
		{ "pl", "pl" },
		{ "cs", "cs" },
		{ "hu", "hu" }
	};

	private static readonly string HttpServicePointTemplateUrl = "https://api.fanyi.baidu.com/api/trans/vip/translate?q={0}&from={1}&to={2}&appid={3}&salt={4}&sign={5}";

	private static readonly MD5 HashMD5 = MD5.Create();

	private string _appId;

	private string _appSecret;

	private float _delay;

	private float _lastRequestTimestamp;

	public override string Id => "BaiduTranslate";

	public override string FriendlyName => "Baidu Translator";

	private string FixLanguage(string lang)
	{
		if (SupportedLanguages.TryGetValue(lang, out var value))
		{
			return value;
		}
		return lang;
	}

	public override void Initialize(IInitializationContext context)
	{
		//IL_0063: Unknown result type (might be due to invalid IL or missing references)
		//IL_007b: Unknown result type (might be due to invalid IL or missing references)
		//IL_00bc: Unknown result type (might be due to invalid IL or missing references)
		//IL_00e9: Unknown result type (might be due to invalid IL or missing references)
		_appId = context.GetOrCreateSetting<string>("Baidu", "BaiduAppId", "");
		_appSecret = context.GetOrCreateSetting<string>("Baidu", "BaiduAppSecret", "");
		_delay = context.GetOrCreateSetting<float>("Baidu", "DelaySeconds", 1f);
		if (string.IsNullOrEmpty(_appId))
		{
			throw new EndpointInitializationException("The BaiduTranslate endpoint requires an App Id which has not been provided.");
		}
		if (string.IsNullOrEmpty(_appSecret))
		{
			throw new EndpointInitializationException("The BaiduTranslate endpoint requires an App Secret which has not been provided.");
		}
		context.DisableCertificateChecksFor(new string[1] { "api.fanyi.baidu.com" });
		if (!SupportedLanguages.ContainsKey(context.SourceLanguage))
		{
			throw new EndpointInitializationException("The source language '" + context.SourceLanguage + "' is not supported.");
		}
		if (!SupportedLanguages.ContainsKey(context.DestinationLanguage))
		{
			throw new EndpointInitializationException("The destination language '" + context.DestinationLanguage + "' is not supported.");
		}
	}

	public override IEnumerator OnBeforeTranslate(IHttpTranslationContext context)
	{
		//yield-return decompiler failed: Unexpected instruction in Iterator.Dispose()
		return new <OnBeforeTranslate>d__13(0)
		{
			<>4__this = this
		};
	}

	public override void OnCreateRequest(IHttpRequestCreationContext context)
	{
		//IL_0082: Unknown result type (might be due to invalid IL or missing references)
		//IL_0088: Expected O, but got Unknown
		string text = DateTime.UtcNow.Millisecond.ToString();
		string text2 = CreateMD5(_appId + ((ITranslationContextBase)context).UntranslatedText + text + _appSecret);
		XUnityWebRequest val = new XUnityWebRequest(string.Format(HttpServicePointTemplateUrl, Uri.EscapeDataString(((ITranslationContextBase)context).UntranslatedText), FixLanguage(((ITranslationContextBase)context).SourceLanguage), FixLanguage(((ITranslationContextBase)context).DestinationLanguage), _appId, text, text2));
		val.Headers[HttpRequestHeader.UserAgent] = (string.IsNullOrEmpty(AutoTranslatorSettings.UserAgent) ? UserAgents.Chrome_Win10_Latest : AutoTranslatorSettings.UserAgent);
		val.Headers[HttpRequestHeader.AcceptCharset] = "UTF-8";
		context.Complete(val);
	}

	public override void OnExtractTranslation(IHttpTranslationExtractionContext context)
	{
		//IL_0042: Unknown result type (might be due to invalid IL or missing references)
		//IL_0047: Unknown result type (might be due to invalid IL or missing references)
		string data = ((IHttpResponseInspectionContext)context).Response.Data;
		if (data.StartsWith("{\"error"))
		{
			return;
		}
		JSONNode val = JSON.Parse(data);
		StringBuilder stringBuilder = new StringBuilder(data.Length);
		Enumerator enumerator = ((JSONNode)((JSONNode)val.AsObject)["trans_result"].AsArray).GetEnumerator();
		while (((Enumerator)(ref enumerator)).MoveNext())
		{
			string text = ((object)((JSONNode)JSONNode.op_Implicit(((Enumerator)(ref enumerator)).Current).AsObject)["dst"]).ToString();
			text = JsonHelper.Unescape(text.Substring(1, text.Length - 2));
			if (!StringBuilderExtensions.EndsWithWhitespaceOrNewline(stringBuilder))
			{
				stringBuilder.Append("\n");
			}
			stringBuilder.Append(text);
		}
		string text2 = stringBuilder.ToString();
		context.Complete(text2);
	}

	private static string CreateMD5(string input)
	{
		byte[] bytes = Encoding.UTF8.GetBytes(input);
		byte[] array = HashMD5.ComputeHash(bytes);
		StringBuilder stringBuilder = new StringBuilder();
		for (int i = 0; i < array.Length; i++)
		{
			stringBuilder.Append(array[i].ToString("X2"));
		}
		return stringBuilder.ToString().ToLower();
	}
}
internal static class GeneratedInfo
{
	public const string PROJECT_VERSION = "5.6.1";
}