#nullable enable

using System;
using System.Collections.Generic;
using System.Threading;
using System.Threading.Tasks;
using Microsoft.Extensions.Logging;

namespace TransmissionRssManager.Core
{
    public class LogEntry
    {
        public int Id { get; set; }
        public DateTime Timestamp { get; set; }
        public string Level { get; set; } = string.Empty;
        public string Message { get; set; } = string.Empty;
        public string Context { get; set; } = string.Empty;
        public string Properties { get; set; } = string.Empty;
    }
    public class RssFeedItem
    {
        public string Id { get; set; } = string.Empty;
        public string Title { get; set; } = string.Empty;
        public string Link { get; set; } = string.Empty;
        public string Description { get; set; } = string.Empty;
        public DateTime PublishDate { get; set; }
        public string TorrentUrl { get; set; } = string.Empty;
        public bool IsDownloaded { get; set; }
        public bool IsMatched { get; set; }
        public string MatchedRule { get; set; } = string.Empty;
        public string FeedId { get; set; } = string.Empty;
        public string Category { get; set; } = string.Empty;
        public long Size { get; set; }
        public string Author { get; set; } = string.Empty;
        public List<string> Categories { get; set; } = new List<string>();
        public Dictionary<string, string> AdditionalMetadata { get; set; } = new Dictionary<string, string>();
        public DateTime? DownloadDate { get; set; }
        public int? TorrentId { get; set; }
        public string RejectionReason { get; set; } = string.Empty;
        public bool IsRejected => !string.IsNullOrEmpty(RejectionReason);
    }

    public class TorrentInfo
    {
        public int Id { get; set; }
        public string Name { get; set; } = string.Empty;
        public string Status { get; set; } = string.Empty;
        public double PercentDone { get; set; }
        public long TotalSize { get; set; }
        public string DownloadDir { get; set; } = string.Empty;
        public bool IsFinished => PercentDone >= 1.0;
        public DateTime? AddedDate { get; set; }
        public DateTime? CompletedDate { get; set; }
        public long DownloadedEver { get; set; }
        public long UploadedEver { get; set; }
        public int UploadRatio { get; set; }
        public string ErrorString { get; set; } = string.Empty;
        public bool IsError => !string.IsNullOrEmpty(ErrorString);
        public int Priority { get; set; }
        public string HashString { get; set; } = string.Empty;
        public int PeersConnected { get; set; }
        public double DownloadSpeed { get; set; }
        public double UploadSpeed { get; set; }
        public string Category { get; set; } = string.Empty;
        public bool HasMetadata { get; set; }
        public string TransmissionInstance { get; set; } = "default";
        public string SourceFeedId { get; set; } = string.Empty;
        public bool IsPostProcessed { get; set; }
    }

    public class RssFeed
    {
        public string Id { get; set; } = string.Empty;
        public string Url { get; set; } = string.Empty;
        public string Name { get; set; } = string.Empty;
        public List<string> Rules { get; set; } = new List<string>();
        public List<RssFeedRule> AdvancedRules { get; set; } = new List<RssFeedRule>();
        public bool AutoDownload { get; set; }
        public DateTime LastChecked { get; set; }
        public string TransmissionInstanceId { get; set; } = "default";
        public string Schedule { get; set; } = "*/30 * * * *"; // Default is every 30 minutes (cron expression)
        public bool Enabled { get; set; } = true;
        public int MaxHistoryItems { get; set; } = 100;
        public string DefaultCategory { get; set; } = string.Empty;
        public int ErrorCount { get; set; } = 0;
        public DateTime? LastError { get; set; }
        public string LastErrorMessage { get; set; } = string.Empty;
    }

    public class AppConfig
    {
        public TransmissionConfig Transmission { get; set; } = new TransmissionConfig();
        public Dictionary<string, TransmissionConfig> TransmissionInstances { get; set; } = new Dictionary<string, TransmissionConfig>();
        public List<RssFeed> Feeds { get; set; } = new List<RssFeed>();
        public bool AutoDownloadEnabled { get; set; }
        public int CheckIntervalMinutes { get; set; } = 30;
        public string DownloadDirectory { get; set; } = string.Empty;
        public string MediaLibraryPath { get; set; } = string.Empty;
        public PostProcessingConfig PostProcessing { get; set; } = new PostProcessingConfig();
        public bool EnableDetailedLogging { get; set; } = false;
        public UserPreferences UserPreferences { get; set; } = new UserPreferences();
    }

    public class TransmissionConfig
    {
        public string Host { get; set; } = "localhost";
        public int Port { get; set; } = 9091;
        public string Username { get; set; } = string.Empty;
        public string Password { get; set; } = string.Empty;
        public bool UseHttps { get; set; } = false;
        public string Url => $"{(UseHttps ? "https" : "http")}://{Host}:{Port}/transmission/rpc";
    }

    public class RssFeedRule
    {
        public string Id { get; set; } = string.Empty;
        public string Name { get; set; } = string.Empty;
        public string Pattern { get; set; } = string.Empty;
        public bool IsRegex { get; set; } = false;
        public bool IsEnabled { get; set; } = true;
        public bool IsCaseSensitive { get; set; } = false;
        public string Category { get; set; } = string.Empty;
        public int Priority { get; set; } = 0;
        public string Action { get; set; } = "download"; // download, notify, ignore
        public string DestinationFolder { get; set; } = string.Empty;
    }
    
    public class PostProcessingConfig
    {
        public bool Enabled { get; set; } = false;
        public bool ExtractArchives { get; set; } = true;
        public bool OrganizeMedia { get; set; } = true;
        public int MinimumSeedRatio { get; set; } = 1;
        public List<string> MediaExtensions { get; set; } = new List<string> { ".mp4", ".mkv", ".avi" };
        public bool AutoOrganizeByMediaType { get; set; } = true;
        public bool RenameFiles { get; set; } = false;
        public bool CompressCompletedFiles { get; set; } = false;
        public int DeleteCompletedAfterDays { get; set; } = 0; // 0 = never delete
    }
    
    public class UserPreferences
    {
        public bool EnableDarkMode { get; set; } = false;
        public bool AutoRefreshUIEnabled { get; set; } = true;
        public int AutoRefreshIntervalSeconds { get; set; } = 30;
        public bool NotificationsEnabled { get; set; } = true;
        public List<string> NotificationEvents { get; set; } = new List<string> 
        { 
            "torrent-added", 
            "torrent-completed", 
            "torrent-error" 
        };
        public string DefaultView { get; set; } = "dashboard";
        public bool ConfirmBeforeDelete { get; set; } = true;
        public int MaxItemsPerPage { get; set; } = 25;
        public string DateTimeFormat { get; set; } = "yyyy-MM-dd HH:mm:ss";
        public bool ShowCompletedTorrents { get; set; } = true;
        public int KeepHistoryDays { get; set; } = 30;
    }

    public interface IConfigService
    {
        AppConfig GetConfiguration();
        Task SaveConfigurationAsync(AppConfig config);
    }

    public interface ITransmissionClient
    {
        Task<List<TorrentInfo>> GetTorrentsAsync();
        Task<int> AddTorrentAsync(string torrentUrl, string downloadDir);
        Task RemoveTorrentAsync(int id, bool deleteLocalData);
        Task StartTorrentAsync(int id);
        Task StopTorrentAsync(int id);
    }

    public interface IRssFeedManager
    {
        Task<List<RssFeedItem>> GetAllItemsAsync();
        Task<List<RssFeedItem>> GetMatchedItemsAsync();
        Task<List<RssFeed>> GetFeedsAsync();
        Task AddFeedAsync(RssFeed feed);
        Task RemoveFeedAsync(string feedId);
        Task UpdateFeedAsync(RssFeed feed);
        Task RefreshFeedsAsync(CancellationToken cancellationToken);
        Task RefreshFeedAsync(string feedId, CancellationToken cancellationToken);
        Task MarkItemAsDownloadedAsync(string itemId);
    }

    public interface IPostProcessor
    {
        Task ProcessCompletedDownloadsAsync(CancellationToken cancellationToken);
        Task ProcessTorrentAsync(TorrentInfo torrent);
    }
}