using System.Net;
using System.Xml;
using FluentScheduler;
using FreeSql;
using FreeSql.DataAnnotations;
using Interface.Jobs;
using Microsoft.Extensions.Configuration;
using Microsoft.Extensions.Logging;
using Newtonsoft.Json.Linq;

namespace Service.Jobs;

public class ChineseNfoRegistry : Registry, IChineseNfoRegistry
{
    private readonly HttpClient _apiClient;
    private readonly HttpClient _imageClient;
    private readonly IConfiguration _configuration;
    private readonly ILogger<ChineseNfoRegistry> _logger;
    private readonly IFreeSql _freeSql;

    public ChineseNfoRegistry(IConfiguration configuration, ILogger<ChineseNfoRegistry> logger)
    {
        _configuration = configuration;
        _logger = logger;

        var httpClientHandler = new HttpClientHandler();

        var proxyAddress = _configuration["ChineseNfo:HttpProxy"];

        if (string.IsNullOrEmpty(proxyAddress) == false)
        {
            httpClientHandler.Proxy = string.IsNullOrEmpty(proxyAddress) ? null : new WebProxy(proxyAddress, false);
            httpClientHandler.UseProxy = !string.IsNullOrEmpty(proxyAddress);
        }

        _apiClient = new HttpClient(httpClientHandler);
        _apiClient.BaseAddress = new Uri("http://api.themoviedb.org");

        _imageClient = new HttpClient(httpClientHandler);
        _imageClient.BaseAddress = new Uri("http://image.tmdb.org");

        _freeSql = new FreeSqlBuilder()
            .UseConnectionString(FreeSql.DataType.Sqlite, _configuration["ChineseNfo:ConnectionString"])
            .UseAutoSyncStructure(true)
            .Build();

        Schedule(() => Job(true, true)).ToRunEvery(1).Days();
    }

    public async void Job(bool ignoreLocked, bool ignoreCompleted)
    {
        try
        {
            await JobExecute(ignoreLocked, ignoreCompleted);
        }
        catch (Exception e)
        {
            _logger.LogError(e, "ChineseNfoRegistry.Job() error");
        }
    }

    private async Task JobExecute(
        bool ignoreLocked,
        bool ignoreCompleted,
        string[]? includeFields = null)
    {
        var tvFolder = _configuration["ChineseNfo:TvFolder"];

        if (string.IsNullOrEmpty(tvFolder))
        {
            _logger.LogError("ChineseNfoRegistry.Job() tvFolder is null or empty");
            return;
        }

        /*
         * 1. 支持指定字段
         * 2. 接口数据保留
         * 3. 支持语言降级到繁体
         * 4. 支持演员名称翻译
         */

        var fields =
            includeFields ??
            [
                "tv.title",
                "tv.plot",
                "tv.outline",
                "tv.poster",
                "tv.genre",
                "tv.actor.name",
                "tv.actor.role",
                "season.title",
                "season.plot",
                "episode.title",
                "episode.plot",
                "episode.actor.name",
            ];

        var tvNfos = Directory.GetFiles(tvFolder, "tvshow.nfo", SearchOption.AllDirectories);

        if (tvNfos.Length == 0)
        {
            _logger.LogError("ChineseNfoRegistry.Job() tvNfo is null or empty");
            return;
        }

        foreach (var tv in tvNfos)
        {
            await HandleTv(tv);
        }


        async Task<string[]?> HandleTv(string tvNfo)
        {
            var nfoContent = File.ReadAllText(tvNfo);

            var tvXml = new XmlDocument();
            tvXml.LoadXml(nfoContent);
            var uniqueIdNode = tvXml.SelectSingleNode("//uniqueid[@type='tmdb']");

            if (uniqueIdNode == null)
            {
                _logger.LogError("ChineseNfoRegistry.Job() uniqueIdNode is null");
                return null;
            }

            if (!int.TryParse(uniqueIdNode.InnerText, out var tmdbId))
            {
                _logger.LogError("ChineseNfoRegistry.Job() tmdbId is null");
                return null;
            }

            var a = await GetTmdbTv(tvNfo, tmdbId);
            
            _logger.LogInformation("ChineseNfoRegistry.Job() tmdbId: {tmdbId}, name: {name}", tmdbId,a?["name"]?.ToString());
            return [];
        }
    }

    private async Task<JObject?> GetTmdbTv(
        string path,
        int tmdbId,
        TheMovieDbLanguage language = TheMovieDbLanguage.ZhCn)
    {
        var record = await _freeSql.Select<TheMovieDbRecord>()
            .Where(x => x.UniqueId == tmdbId.ToString())
            .FirstAsync();

        if (record != null)
        {
            return JObject.Parse(record.Json);
        }

        record = new TheMovieDbRecord
        {
            Type = TheMovieDbType.Tv,
            UniqueId = tmdbId.ToString(),
            Language = language
        };
        
        string tvUrl = "/3/tv/{0}?api_key=e28e1bc408db7adefc8bacce225c5085&language=";
        
        if(language == TheMovieDbLanguage.ZhCn)
        {
            tvUrl += "zh-CN";
        }
        else
        {
            tvUrl += "zh-TW";
        }
        
        var requestUrl = string.Format(tvUrl, tmdbId);

        try
        {
            var response = await _apiClient.GetAsync(requestUrl);

            if (!response.IsSuccessStatusCode)
            {
                Console.WriteLine($"{requestUrl} & {path} &  {response.StatusCode}");
                return null;
            }

            var str = await response.Content.ReadAsStringAsync();

            var json = JObject.Parse(str);
            var name = json["name"];
            // 判断是否包含中文字符
            var isChinese = name != null && name.ToString().Any(c => c >= 0x4E00 && c <= 0x9FA5);
            if (language == TheMovieDbLanguage.ZhCn && !isChinese)
            {
                _logger.LogWarning("ChineseNfoRegistry.GetTmdbTv() name: {name}, 无中文文字, 降级到繁体字", name);
                // 降级到繁体
                return await GetTmdbTv(path, tmdbId, TheMovieDbLanguage.ZhTw);
            }

            record.Json = str;
            _freeSql.Insert(record);
            
            _logger.LogInformation("ChineseNfoRegistry.GetTmdbTv() 接口调用, 休眠 5S");
            await Task.Delay(5000);
            
            return json;
        }
        catch (Exception e)
        {
            Console.WriteLine($"{requestUrl} & {path} \r {e}");
            return null;
        }
    }
}

public class TheMovieDbRecord
{
    public long Id { get; set; }

    public TheMovieDbType Type { get; set; }

    public string UniqueId { get; set; } = string.Empty;

    public TheMovieDbLanguage Language { get; set; }

    [Column(DbType = "text")] 
    public string Json { get; set; } = string.Empty;
}

public enum TheMovieDbType
{
    Tv = 1,
    Season = 2,
    Episode = 3,
}

public enum TheMovieDbLanguage
{
    ZhCn = 1,
    ZhTw = 2
}