using System;
using System.Collections.Generic;
using System.IO;

namespace PKHeX.Core;

/// <summary>
/// Bindable Summary of a <see cref="SaveFile"/> for use in a sortable table.
/// </summary>
public sealed class SavePreview
{
    public readonly SaveFile Save;
    public readonly string FilePath;

    public SavePreview(SaveFile sav, string parent, string path)
    {
        Save = sav;
        Folder = parent;
        FilePath = path;
    }

    public SavePreview(SaveFile sav, List<INamedFolderPath> paths)
    {
        var meta = sav.Metadata;
        var dir = meta.FileFolder;
        const string notFound = "???";
        var parent = dir == null ? notFound : paths.Find(z => dir.StartsWith(z.Path, StringComparison.Ordinal))?.DisplayText ?? new DirectoryInfo(dir).Name;

        Save = sav;
        Folder = parent;
        FilePath = meta.FilePath ?? notFound;
    }

    public string OT => Save.OT;
    public int G => Save.Generation;
    public GameVersion Game => Save.Version;

    public string Played => Save.PlayTimeString.PadLeft(9, '0');
    public string FileTime => File.GetLastWriteTimeUtc(FilePath).ToString("yyyy.MM.dd:hh:mm:ss");

    public string TID => Save.Generation >= 7 ? Save.TrainerID7.ToString("000000") : Save.TID.ToString("00000");
    public string SID => Save.Generation >= 7 ? Save.TrainerSID7.ToString("0000") : Save.SID.ToString("00000");

    // ReSharper disable once MemberCanBePrivate.Local
    // ReSharper disable once UnusedAutoPropertyAccessor.Local
    public string Folder { get; }

    public string Name => Path.GetFileName(FilePath);
}