using COSXML.Network;
using dodohold.core;
using Microsoft.AspNetCore.Mvc;
using Microsoft.Extensions.FileSystemGlobbing.Internal;
using Sayaka.Common;
using Spire.Pdf.Annotations;
using System.Security.Cryptography;
using System.Text.RegularExpressions;
using System.Web;
using System.Xml.Linq;
namespace molilian.core
{
    public partial class DeeplinkParseCore
    {


        private static string _end_point;
        private static readonly string[] separators = ["\r\n", "\n"];

        static DeeplinkParseCore()
        {
            _end_point = Environment.GetEnvironmentVariable("EndPoint");
        }


        public static DeeplinkParseDataDTO GetFormattedObject(string content, string channel, string ip = "", string oaid = "")
        {
            return new DeeplinkParseDataDTO()
            {
                message = string.Empty,
                success = false,
                content = content,
                ip = ip,
                oaid = oaid,
                elapsedTime = 0,
                create_time = DateTime.Now,
                end_point = _end_point,
            };
        }

        public static async Task<ActionResult> ParseAsync(string content, string channel, string ip, string oaid)
        {
            var result = GetFormattedObject(content, channel, ip, oaid);
            content = content.Trim();

            var rule = DeeplinkParseRuleCore.GetOne(channel);
            if (rule == null)
            {
                result.success = false;
                result.message = "转链失败";
                result.reason = "无效平台";

                _ = TkLogCore.ParseLogAsync(result);
                return new APIResult(new
                {
                    result.success,
                    result.message,
                    result.reason,
                });
            }

            if (ShouldIgnoreRequest(rule.IgnorePercentageCity, ip, oaid, out string reason))
            {
                result.success = false;
                result.message = "放弃转链";
                result.reason = reason;

                _ = TkLogCore.ParseLogAsync(result);
                return new APIResult(new
                {
                    result.success,
                    result.message,
                    result.reason,
                });
            }

            result.channel_id = rule.channel_id;
            result.channel_name = rule.channel_name;

            result = await GenerateDeeplink(content, rule, result);

            _ = TkLogCore.ParseLogAsync(result);
            return new APIResult(new
            {
                result.success,
                result.message,
                channel = result.channel_name,
                result.deeplink_url,
                result.itemName,
            });
        }

        public static bool ShouldIgnoreRequest(string ignorePercentageCity, string ip, string oaid, out string reason)
        {
            reason = string.Empty;
            try
            {
                // IP和流量控制
                string? ipInfo = IP2RegionPlus.Search(ip);
                if (AlimamaPlus.IgnoreRegionIncluded(ignorePercentageCity, ipInfo, out string regionInfo))
                {
                    reason = $"地区控制：{regionInfo}";
                    return true;
                }
            }
            catch (Exception ex)
            {
                reason = "配置异常";
            }
            return false;
        }




        public static async Task<DeeplinkParseDataDTO> GenerateDeeplink(string text, DeeplinkParseRuleDTO config, DeeplinkParseDataDTO result)
        {
            try
            {
                var list = config.rules.Convert2Object<List<DeeplinkParseRule>>();

                foreach (var rule in list)
                {
                    var e = await WorkEachRule(text, config, result, rule);
                    if (e != null) return e;
                }
            }
            catch (Exception ex)
            {
            }

            result.success = false;
            return result;
        }

        private static async Task<DeeplinkParseDataDTO?> WorkEachRule(string text, DeeplinkParseRuleDTO config, DeeplinkParseDataDTO result, DeeplinkParseRule rule)
        {
            if (!rule.enable) return null;

            string content = text;

            if (!string.IsNullOrEmpty(rule.url_pattern))
            {
                var regex = new Regex(rule.url_pattern);
                var match = regex.Match(content);
                if (!match.Success) return null;

                content = match.Groups[1].Value;
            }

            string url = ToolParsePlus.GetLink(text);
            try
            {
                switch (rule.url_action)
                {
                    case UrlAction.Redirect:
                        {
                            var response = await new WebClientUtility
                            {
                                Proxy = ProxyNodesCore.RandomOne(),
                                UserAgent = ProviderFakeUserAgent.RandomMobile,
                                AllowAutoRedirect = false
                            }.RequestAsync(url);
                            if (response.ResponseMessage != null)
                            {
                                content = response.ResponseMessage.Headers.Location.ToString();
                                content = content.UrlDecode();
                            }
                        }
                        break;
                    case UrlAction.Body:
                        {
                            var response = await new WebClientUtility
                            {
                                Proxy = ProxyNodesCore.RandomOne(),
                                UserAgent = ProviderFakeUserAgent.RandomMobile,
                                AllowAutoRedirect = true
                            }.RequestAsync(url);
                            content = response.Body();
                        }
                        break;
                    case UrlAction.None:
                        //{
                        //    content = url;
                        //}
                        break;
                }
            }
            catch (Exception ex)
            {
                //Console.WriteLine($"{url}\t{rule.url_action}\t{ex.Message}");
            }

            if (rule.childs.Count > 0)
            {
                foreach (var sub_rule in rule.childs)
                {
                    var e = await WorkEachRule(content, config, result, sub_rule);
                    if (e != null) return e;
                }
                return null;
            }


            if (!string.IsNullOrEmpty(rule.body_pattern))
            {
                var regex = new Regex(rule.body_pattern);
                var match = regex.Match(content);
                if (!match.Success) return null;

            }

            var deeplink = rule.deeplink_template;
            var prompt_text = rule.prompt_text;

            try
            {
                var regex = new Regex(rule.pattern);
                var match = regex.Match(content);
                if (match.Success)
                {

                    if (match.Groups.Count > 1)
                    {
                        for (var i = 1; i < match.Groups.Count; i++)
                        {
                            string val = match.Groups[i].Value;


                            switch (rule.plugin)
                            {
                                case "redu":
                                    string deeplink_url = await PluginDyParseAsync(text, val, result);
                                    if (!string.IsNullOrEmpty(deeplink_url))
                                    {
                                        result.itemName = prompt_text;
                                        result.deeplink_url = deeplink_url;
                                        result.success = true;
                                        return result;
                                    }
                                    break;
                            }

                            if (deeplink.Contains("{url:"))
                            {
                                string encodedUrl = HttpUtility.UrlEncode(val);
                                deeplink = deeplink.Replace($"{{url:{i - 1}}}", encodedUrl);
                                //deeplink = deeplink.Replace($"{{url:{i - 1}}}", val.UrlEncode());
                            }
                            if (prompt_text.Contains("{url:"))
                            {
                                string encodedUrl = HttpUtility.UrlEncode(val);
                                prompt_text = prompt_text.Replace($"{{url:{i - 1}}}", encodedUrl);
                                //prompt_text = prompt_text.Replace($"{{url:{i - 1}}}", val.UrlEncode());
                            }

                            if (deeplink.Contains("{decode:"))
                            {
                                string encodedUrl = HttpUtility.UrlDecode(val);
                                deeplink = deeplink.Replace($"{{decode:{i - 1}}}", encodedUrl);
                                //deeplink = deeplink.Replace($"{{url:{i - 1}}}", val.UrlEncode());
                            }
                            if (prompt_text.Contains("{decode:"))
                            {
                                string encodedUrl = HttpUtility.UrlDecode(val);
                                prompt_text = prompt_text.Replace($"{{decode:{i - 1}}}", encodedUrl);
                            }

                            //两次url编码
                            if (deeplink.Contains("{url2:"))
                            {
                                string encodedUrl = HttpUtility.UrlEncode(val);
                                encodedUrl = HttpUtility.UrlEncode(encodedUrl);
                                deeplink = deeplink.Replace($"{{url2:{i - 1}}}", encodedUrl);
                            }
                            if (prompt_text.Contains("{url2:"))
                            {
                                string encodedUrl = HttpUtility.UrlEncode(val);
                                encodedUrl = HttpUtility.UrlEncode(encodedUrl);
                                prompt_text = prompt_text.Replace($"{{url2:{i - 1}}}", encodedUrl);
                            }


                            //三次url解码
                            if (deeplink.Contains("{url3:"))
                            {
                                string encodedUrl = HttpUtility.UrlEncode(val);
                                encodedUrl = HttpUtility.UrlEncode(encodedUrl);
                                deeplink = deeplink.Replace($"{{url3:{i - 1}}}", encodedUrl);
                            }
                            if (prompt_text.Contains("{url3:"))
                            {
                                string encodedUrl = HttpUtility.UrlEncode(val);
                                encodedUrl = HttpUtility.UrlEncode(encodedUrl);
                                prompt_text = prompt_text.Replace($"{{url3:{i - 1}}}", encodedUrl);
                            }

                            //atob
                            if (deeplink.Contains("{atob:"))
                            {
                                string encodedUrl = HttpUtility.UrlDecode(val);
                                deeplink = deeplink.Replace($"{{atob:{i - 1}}}", encodedUrl.FromBase64());
                            }
                            if (prompt_text.Contains("{atob:"))
                            {
                                string encodedUrl = HttpUtility.UrlDecode(val);
                                prompt_text = prompt_text.Replace($"{{atob:{i - 1}}}", encodedUrl.FromBase64());
                            }

                            //btoa
                            if (deeplink.Contains("{btoa:"))
                            {
                                string encodedUrl = HttpUtility.UrlEncode(val);
                                deeplink = deeplink.Replace($"{{btoa:{i - 1}}}", val.ToBase64());
                            }
                            if (prompt_text.Contains("{btoa:"))
                            {
                                string encodedUrl = HttpUtility.UrlEncode(val);
                                prompt_text = prompt_text.Replace($"{{btoa:{i - 1}}}", val.ToBase64());
                            }


                            deeplink = deeplink.Replace($"{{{i - 1}}}", val);
                            prompt_text = prompt_text.Replace($"{{{i - 1}}}", val);
                        }

                        deeplink = Regex.Replace(deeplink, @"\{\d+\}", string.Empty);
                        prompt_text = Regex.Replace(prompt_text, @"\{\d+\}", string.Empty);

                        if (!string.IsNullOrEmpty(deeplink))
                        {
                            result.deeplink_url = deeplink;
                            result.itemName = prompt_text;
                            result.success = true;
                            return result;
                        }
                    }
                    else
                    {
                        result.deeplink_url = deeplink;
                        result.itemName = prompt_text;
                        result.success = true;
                        return result;

                    }
                }
            }
            catch (Exception ex)
            {
                Console.WriteLine($"Error processing pattern '{rule.pattern}': {ex.Message}");
            }

            return null;

        }

        public static async Task<string> PluginDyParseAsync(string content, string matchText, DeeplinkParseDataDTO deeplinkResult, CancellationToken cancellationToken = default)
        {
            string ip = deeplinkResult.ip;
            string oaid = deeplinkResult.oaid;

            var result = DyUnionPlus.GetFormattedObject(content, ip, oaid);
            result.create_time = deeplinkResult.create_time;


            result.rawContent = content;
            bool IfExceptional = false;
            try
            {

                if (DyUnionPlus.ShouldIgnoreRequest(ip, oaid, out string reason))
                {
                    result.success = false;
                    result.message = "放弃转链";
                    result.reason = reason;
                    _ = TkLogCore.ParseLogAsync(result);
                    return null;
                }

                var account = ReduPoolCore.GetOne();
                if (account == null)
                {
                    result.success = false;
                    result.message = "放弃转链";
                    result.reason = "没有匹配账号";
                    _ = TkLogCore.ParseLogAsync(result);
                    return null;
                }

                var now = DateTime.Now;
                var ts2 = now - result.create_time;
                result.elapsedTime2 = (int)ts2.TotalMilliseconds;
                result = await DyUnionPlus.DyParseAsync(account, matchText, result, cancellationToken);
                result.deeplink_url = result.deeplink_url.Replace("snssdk1128://", "snssdk561124://");

                var ts3 = DateTime.Now - now;
                result.elapsedTime3 = (int)ts3.TotalMilliseconds;
            }
            catch (Exception ex)
            {
                if (ex.Message.Contains("was canceled"))
                {
                    result.success = false;
                    result.message = "放弃转链";
                    result.reason = "请求超时";
                }
                else
                {
                    IfExceptional = true;
                    _ = new LoggerLibrary("unionParse", "dy_error")
                        .Info(ip, oaid)
                        .Info(content)
                        .Info(ex.Message, ex.StackTrace)
                        .SaveAsync();
                    NotifyCore.Notify(new NifyMessage
                    {
                        message = $"【转链异常DY】\n{content}\n\n{ex.Message}\n{ex.StackTrace}",
                        priority = NifyMessagePriority.high,
                        tags = ["red_circle"]
                    });
                    result.success = false;
                    result.message = "内部错误";
                    result.reason = "转链接口异常";
                }
            }
            var ts = DateTime.Now - result.create_time;
            result.elapsedTime = (int)ts.TotalMilliseconds;
            _ = TkLogCore.ParseLogAsync(result);
            return result.deeplink_url;
        }

    }

}