using ImageCatalog_2.Commands;
using ImageCatalog_2.Services;
using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Diagnostics;
using System.Drawing.Text;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using System.Windows.Input;
using Microsoft.Extensions.Logging;

namespace ImageCatalog_2
{
    public class DataModel : ViewModelBase
    {
        public ICommand TestCommand { get; }
        public ICommand AsyncTestCommand { get; }
        public ICommand AsyncCancelOperationCommand { get; }
        public ICommand ProcessImagesCommand { get; }
        public ICommand SelectSourceFolderCommand { get; }
        public ICommand SelectDestinationFolderCommand { get; }
        public ICommand SelectLogoFileCommand { get; }
        public ICommand SaveSettingsCommand { get; }
        public ICommand LoadSettingsCommand { get; }
        public ICommand SelectColorCommand { get; }

        private readonly ITestService _service;
        private readonly ILogger<DataModel> _logger;
        private readonly ISettingsService _settingsService;

        // ComboBox collections
        public List<string> AvailableFonts { get; }
        public List<string> VerticalPositions { get; } = new() { "Alto", "Centro", "Basso" };
        public List<string> HorizontalAlignments { get; } = new() { "Sinistra", "Centro", "Destra" };

        public DataModel(ITestService testService, ISettingsService settingsService, ILogger<DataModel> logger)
        {
            _service = testService;
            _logger = logger;
            _settingsService = settingsService;

            TestCommand = new RelayCommand(Test);
            AsyncTestCommand = new AsyncCommand(TestAsync);
            AsyncCancelOperationCommand = new AsyncCommand(CancelOperation);
            ProcessImagesCommand = new AsyncCommand(ProcessImages);
            
            SelectSourceFolderCommand = new RelayCommand(SelectSourceFolder);
            SelectDestinationFolderCommand = new RelayCommand(SelectDestinationFolder);
            SelectLogoFileCommand = new RelayCommand(SelectLogoFile);
            SaveSettingsCommand = new RelayCommand(SaveSettings);
            LoadSettingsCommand = new RelayCommand(LoadSettings);
            SelectColorCommand = new RelayCommand(SelectColor);

            // Load available fonts
            AvailableFonts = LoadAvailableFonts();
        }

        private List<string> LoadAvailableFonts()
        {
            var fonts = new List<string>();
            using (var installedFonts = new InstalledFontCollection())
            {
                fonts.AddRange(installedFonts.Families.Select(f => f.Name));
            }
            return fonts;
        }

        private CancellationTokenSource? _mainToken;

        public CancellationTokenSource? MainToken
        {
            get => _mainToken;
            set
            {
                _mainToken = value;
                NotifyPropertyChanged();
            }
        }

        private string _sourcePath;

        public string SourcePath
        {
            get => _sourcePath;
            set
            {
                _sourcePath = value;
                NotifyPropertyChanged();
            }
        }

        private string _destinationPath;

        public string DestinationPath
        {
            get => _destinationPath;
            set
            {
                _destinationPath = value;
                NotifyPropertyChanged();
            }
        }

        private string _horizontalText;

        public string HorizontalText
        {
            get => _horizontalText;
            set
            {
                _horizontalText = value;
                NotifyPropertyChanged();
            }
        }

        private string _verticalText;

        public string VerticalText
        {
            get => _verticalText;
            set
            {
                _verticalText = value;
                NotifyPropertyChanged();
            }
        }

        private bool _overwriteImages;

        public bool OverwriteImages
        {
            get => _overwriteImages;
            set
            {
                _overwriteImages = value;
                NotifyPropertyChanged();
            }
        }

        private bool _uiEnabled = true;

        public bool UiEnabled
        {
            get => _uiEnabled;
            set
            {
                _uiEnabled = value;
                NotifyPropertyChanged();
                NotifyPropertyChanged(nameof(UiDisabled));
            }
        }

        public bool UiDisabled => !_uiEnabled;

        private string _speedCounter = "-";

        public string SpeedCounter
        {
            get => _speedCounter;
            set
            {
                _speedCounter = value;
                NotifyPropertyChanged();
            }
        }

        private int _chunkSize;

        public int ChunkSize
        {
            get => _chunkSize;
            set
            {
                _chunkSize = value;
                NotifyPropertyChanged();
            }
        }

        private int _threadsCount;

        public int ThreadsCount
        {
            get => _threadsCount;
            set
            {
                _threadsCount = value;
                NotifyPropertyChanged();
            }
        }

        // Thumbnail settings
        private string _thumbnailPrefix = "tn_";
        public string ThumbnailPrefix
        {
            get => _thumbnailPrefix;
            set
            {
                _thumbnailPrefix = value;
                NotifyPropertyChanged();
            }
        }

        private int _thumbnailHeight = 350;
        public int ThumbnailHeight
        {
            get => _thumbnailHeight;
            set
            {
                _thumbnailHeight = value;
                NotifyPropertyChanged();
            }
        }

        private int _thumbnailWidth = 350;
        public int ThumbnailWidth
        {
            get => _thumbnailWidth;
            set
            {
                _thumbnailWidth = value;
                NotifyPropertyChanged();
            }
        }

        // Big photo settings
        private int _photoBigHeight = 2240;
        public int PhotoBigHeight
        {
            get => _photoBigHeight;
            set
            {
                _photoBigHeight = value;
                NotifyPropertyChanged();
            }
        }

        private int _photoBigWidth = 2240;
        public int PhotoBigWidth
        {
            get => _photoBigWidth;
            set
            {
                _photoBigWidth = value;
                NotifyPropertyChanged();
            }
        }

        // Font settings
        private int _fontSize = 20;
        public int FontSize
        {
            get => _fontSize;
            set
            {
                _fontSize = value;
                NotifyPropertyChanged();
            }
        }

        private int _fontSizeThumbnail = 50;
        public int FontSizeThumbnail
        {
            get => _fontSizeThumbnail;
            set
            {
                _fontSizeThumbnail = value;
                NotifyPropertyChanged();
            }
        }

        private string _fontName = "Arial";
        public string FontName
        {
            get => _fontName;
            set
            {
                _fontName = value;
                NotifyPropertyChanged();
            }
        }

        private bool _fontBold = false;
        public bool FontBold
        {
            get => _fontBold;
            set
            {
                _fontBold = value;
                NotifyPropertyChanged();
            }
        }

        // Text settings
        private int _textTransparency = 0;
        public int TextTransparency
        {
            get => _textTransparency;
            set
            {
                _textTransparency = value;
                NotifyPropertyChanged();
            }
        }

        private int _textMargin = 8;
        public int TextMargin
        {
            get => _textMargin;
            set
            {
                _textMargin = value;
                NotifyPropertyChanged();
            }
        }

        private string _textColorRGB = "Yellow";
        public string TextColorRGB
        {
            get => _textColorRGB;
            set
            {
                _textColorRGB = value;
                NotifyPropertyChanged();
            }
        }

        // Logo/Watermark settings
        private string _logoFile = "";
        public string LogoFile
        {
            get => _logoFile;
            set
            {
                _logoFile = value;
                NotifyPropertyChanged();
            }
        }

        private int _logoHeight = 430;
        public int LogoHeight
        {
            get => _logoHeight;
            set
            {
                _logoHeight = value;
                NotifyPropertyChanged();
            }
        }

        private int _logoWidth = 430;
        public int LogoWidth
        {
            get => _logoWidth;
            set
            {
                _logoWidth = value;
                NotifyPropertyChanged();
            }
        }

        private int _logoMargin = 290;
        public int LogoMargin
        {
            get => _logoMargin;
            set
            {
                _logoMargin = value;
                NotifyPropertyChanged();
            }
        }

        private int _logoTransparency = 100;
        public int LogoTransparency
        {
            get => _logoTransparency;
            set
            {
                _logoTransparency = value;
                NotifyPropertyChanged();
            }
        }

        // Folder division settings
        private int _filesPerFolder = 99;
        public int FilesPerFolder
        {
            get => _filesPerFolder;
            set
            {
                _filesPerFolder = value;
                NotifyPropertyChanged();
            }
        }

        private string _folderSuffix = "";
        public string FolderSuffix
        {
            get => _folderSuffix;
            set
            {
                _folderSuffix = value;
                NotifyPropertyChanged();
            }
        }

        private int _counterDigits = 2;
        public int CounterDigits
        {
            get => _counterDigits;
            set
            {
                _counterDigits = value;
                NotifyPropertyChanged();
            }
        }

        // Vertical text settings
        private int _verticalTextSize = 20;
        public int VerticalTextSize
        {
            get => _verticalTextSize;
            set
            {
                _verticalTextSize = value;
                NotifyPropertyChanged();
            }
        }

        private int _verticalTextMargin = 6;
        public int VerticalTextMargin
        {
            get => _verticalTextMargin;
            set
            {
                _verticalTextMargin = value;
                NotifyPropertyChanged();
            }
        }

        // JPEG compression settings
        private int _jpegQuality = 85;
        public int JpegQuality
        {
            get => _jpegQuality;
            set
            {
                _jpegQuality = value;
                NotifyPropertyChanged();
            }
        }

        private int _jpegQualityThumbnail = 30;
        public int JpegQualityThumbnail
        {
            get => _jpegQualityThumbnail;
            set
            {
                _jpegQualityThumbnail = value;
                NotifyPropertyChanged();
            }
        }

        // CheckBox settings
        private bool _createThumbnails = true;
        public bool CreateThumbnails
        {
            get => _createThumbnails;
            set
            {
                _createThumbnails = value;
                NotifyPropertyChanged();
            }
        }

        private bool _automaticRotation;
        public bool AutomaticRotation
        {
            get => _automaticRotation;
            set
            {
                _automaticRotation = value;
                NotifyPropertyChanged();
            }
        }

        private bool _forceJpeg;
        public bool ForceJpeg
        {
            get => _forceJpeg;
            set
            {
                _forceJpeg = value;
                NotifyPropertyChanged();
            }
        }

        private bool _updateSubdirectories;
        public bool UpdateSubdirectories
        {
            get => _updateSubdirectories;
            set
            {
                _updateSubdirectories = value;
                NotifyPropertyChanged();
            }
        }

        private bool _createSubfolders;
        public bool CreateSubfolders
        {
            get => _createSubfolders;
            set
            {
                _createSubfolders = value;
                NotifyPropertyChanged();
            }
        }

        private bool _addTime;
        public bool AddTime
        {
            get => _addTime;
            set
            {
                _addTime = value;
                NotifyPropertyChanged();
            }
        }

        private bool _addRaceTime;
        public bool AddRaceTime
        {
            get => _addRaceTime;
            set
            {
                _addRaceTime = value;
                NotifyPropertyChanged();
            }
        }

        private bool _addLogo;
        public bool AddLogo
        {
            get => _addLogo;
            set
            {
                _addLogo = value;
                NotifyPropertyChanged();
            }
        }

        private bool _keepOriginalDimensions;
        public bool KeepOriginalDimensions
        {
            get => _keepOriginalDimensions;
            set
            {
                _keepOriginalDimensions = value;
                NotifyPropertyChanged();
            }
        }

        private bool _showDate;
        public bool ShowDate
        {
            get => _showDate;
            set
            {
                _showDate = value;
                NotifyPropertyChanged();
            }
        }

        private bool _showPhotoNumber;
        public bool ShowPhotoNumber
        {
            get => _showPhotoNumber;
            set
            {
                _showPhotoNumber = value;
                NotifyPropertyChanged();
            }
        }

        private bool _shutdownSystem;
        public bool ShutdownSystem
        {
            get => _shutdownSystem;
            set
            {
                _shutdownSystem = value;
                NotifyPropertyChanged();
            }
        }

        // ComboBox position/alignment settings
        private string _verticalPosition = "Basso";
        public string VerticalPosition
        {
            get => _verticalPosition;
            set
            {
                _verticalPosition = value;
                NotifyPropertyChanged();
            }
        }

        private string _horizontalAlignment = "Centro";
        public string HorizontalAlignment
        {
            get => _horizontalAlignment;
            set
            {
                _horizontalAlignment = value;
                NotifyPropertyChanged();
            }
        }

        private string _logoHorizontalPosition = "Destra";
        public string LogoHorizontalPosition
        {
            get => _logoHorizontalPosition;
            set
            {
                _logoHorizontalPosition = value;
                NotifyPropertyChanged();
            }
        }

        private string _logoVerticalPosition = "Basso";
        public string LogoVerticalPosition
        {
            get => _logoVerticalPosition;
            set
            {
                _logoVerticalPosition = value;
                NotifyPropertyChanged();
            }
        }

        // RadioButton settings
        private bool _useProgressiveNumbering = true;
        public bool UseProgressiveNumbering
        {
            get => _useProgressiveNumbering;
            set
            {
                _useProgressiveNumbering = value;
                NotifyPropertyChanged();
            }
        }

        private bool _useFileNumbering;
        public bool UseFileNumbering
        {
            get => _useFileNumbering;
            set
            {
                _useFileNumbering = value;
                NotifyPropertyChanged();
            }
        }

        private bool _useParallelProcessing = true;
        public bool UseParallelProcessing
        {
            get => _useParallelProcessing;
            set
            {
                _useParallelProcessing = value;
                NotifyPropertyChanged();
            }
        }

        private bool _useSequentialProcessing;
        public bool UseSequentialProcessing
        {
            get => _useSequentialProcessing;
            set
            {
                _useSequentialProcessing = value;
                NotifyPropertyChanged();
            }
        }

        // Additional settings that were missing
        private bool _addTimeToThumbnails;
        public bool AddTimeToThumbnails
        {
            get => _addTimeToThumbnails;
            set
            {
                _addTimeToThumbnails = value;
                NotifyPropertyChanged();
            }
        }

        private bool _showFileNameOnThumbnails;
        public bool ShowFileNameOnThumbnails
        {
            get => _showFileNameOnThumbnails;
            set
            {
                _showFileNameOnThumbnails = value;
                NotifyPropertyChanged();
            }
        }

        private DateTime _raceStartDate = DateTime.Now;
        public DateTime RaceStartDate
        {
            get => _raceStartDate;
            set
            {
                _raceStartDate = value;
                NotifyPropertyChanged();
            }
        }

        private string _timeLabel = "";
        public string TimeLabel
        {
            get => _timeLabel;
            set
            {
                _timeLabel = value;
                NotifyPropertyChanged();
            }
        }

        private string _bigPhotoSuffix = "";
        public string BigPhotoSuffix
        {
            get => _bigPhotoSuffix;
            set
            {
                _bigPhotoSuffix = value;
                NotifyPropertyChanged();
            }
        }

        private bool _addTextToThumbnails;
        public bool AddTextToThumbnails
        {
            get => _addTextToThumbnails;
            set
            {
                _addTextToThumbnails = value;
                NotifyPropertyChanged();
            }
        }

        private bool _addRaceTimeToThumbnails;
        public bool AddRaceTimeToThumbnails
        {
            get => _addRaceTimeToThumbnails;
            set
            {
                _addRaceTimeToThumbnails = value;
                NotifyPropertyChanged();
            }
        }

        private bool _addNumberAndTimeToThumbnails;
        public bool AddNumberAndTimeToThumbnails
        {
            get => _addNumberAndTimeToThumbnails;
            set
            {
                _addNumberAndTimeToThumbnails = value;
                NotifyPropertyChanged();
            }
        }

        private void Test(object parameter)
        {
            Debug.WriteLine("Yep");
            this.UiEnabled = !this.UiEnabled;
        }

        private async Task TestAsync()
        {
            Debug.WriteLine("Yep c");
        }

        private async Task ProcessImages()
        {
        }

        private async Task CancelOperation()
        {
            try
            {
                await MainToken?.CancelAsync();

                UiEnabled = true;
            }
            catch (Exception e)
            {
                _logger.LogError(e.Message, "Error canceling the token");
                _logger.LogInformation("Ignora questo errore");
            }
        }

        // Note: These commands will trigger events that the View will handle to show dialogs
        // since dialogs require UI context
        public event EventHandler SelectSourceFolderRequested;
        public event EventHandler SelectDestinationFolderRequested;
        public event EventHandler SelectLogoFileRequested;
        public event EventHandler<string> SaveSettingsRequested;
        public event EventHandler<string> LoadSettingsRequested;
        public event EventHandler SelectColorRequested;

        private void SelectSourceFolder(object parameter)
        {
            SelectSourceFolderRequested?.Invoke(this, EventArgs.Empty);
        }

        private void SelectDestinationFolder(object parameter)
        {
            SelectDestinationFolderRequested?.Invoke(this, EventArgs.Empty);
        }

        private void SelectLogoFile(object parameter)
        {
            SelectLogoFileRequested?.Invoke(this, EventArgs.Empty);
        }

        private void SaveSettings(object parameter)
        {
            SaveSettingsRequested?.Invoke(this, null);
        }

        private void LoadSettings(object parameter)
        {
            LoadSettingsRequested?.Invoke(this, null);
        }

        private void SelectColor(object parameter)
        {
            SelectColorRequested?.Invoke(this, EventArgs.Empty);
        }

        public async Task SaveSettingsToFileAsync(string filePath)
        {
            await _settingsService.SaveSettingsAsync(filePath, this);
        }

        public async Task LoadSettingsFromFileAsync(string filePath)
        {
            await _settingsService.LoadSettingsAsync(filePath, this);
        }
    }
}