using System.ComponentModel;
using System.Runtime.CompilerServices;

namespace EmbyToolbox.Models;

public sealed class MergeFileItem : INotifyPropertyChanged
{
    private int _number;
    private string _partName = string.Empty;
    private string _status = "Готов";
    private bool _partNameUserOverride;

    public string FullPath { get; init; } = string.Empty;
    public string FileName { get; init; } = string.Empty;
    public int SizeMb { get; init; }

    public int Number
    {
        get => _number;
        set
        {
            if (_number == value)
            {
                return;
            }

            _number = value;
            OnPropertyChanged();
        }
    }

    public string PartName
    {
        get => _partName;
        set
        {
            if (_partName == value)
            {
                return;
            }

            _partName = value;
            _partNameUserOverride = true;
            OnPropertyChanged();
        }
    }

    /// <summary>Авто-подпись части при перестановке строк; не затирает имя, если пользователь правил вручную.</summary>
    public void SyncAutoPartName(string value)
    {
        if (_partNameUserOverride)
        {
            return;
        }

        if (_partName == value)
        {
            return;
        }

        _partName = value;
        OnPropertyChanged();
    }

    public string Status
    {
        get => _status;
        set
        {
            if (_status == value)
            {
                return;
            }

            _status = value;
            OnPropertyChanged();
        }
    }

    public event PropertyChangedEventHandler? PropertyChanged;

    private void OnPropertyChanged([CallerMemberName] string? propertyName = null)
    {
        PropertyChanged?.Invoke(this, new PropertyChangedEventArgs(propertyName));
    }
}