Aaru/Aaru.Gui/ViewModels/Tabs/XboxInfoViewModel.cs

// /***************************************************************************
// Aaru Data Preservation Suite
// ----------------------------------------------------------------------------
//
// Filename       : XboxInfoViewModel.cs
// Author(s)      : Natalia Portillo <claunia@claunia.com>
//
// Component      : GUI view models.
//
// --[ Description ] ----------------------------------------------------------
//
//     View model and code for the Xbox Game Disc information tab.
//
// --[ License ] --------------------------------------------------------------
//
//     This program is free software: you can redistribute it and/or modify
//     it under the terms of the GNU General public License as
//     published by the Free Software Foundation, either version 3 of the
//     License, or (at your option) any later version.
//
//     This program is distributed in the hope that it will be useful,
//     but WITHOUT ANY WARRANTY; without even the implied warranty of
//     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
//     GNU General public License for more details.
//
//     You should have received a copy of the GNU General public License
//     along with this program.  If not, see <http://www.gnu.org/licenses/>.
//
// ----------------------------------------------------------------------------
// Copyright © 2011-2022 Natalia Portillo
// ****************************************************************************/

namespace Aaru.Gui.ViewModels.Tabs;

using System.Collections.Generic;
using System.IO;
using System.Reactive;
using System.Threading.Tasks;
using Aaru.Core.Media.Info;
using Aaru.Decoders.Xbox;
using Avalonia.Controls;
using JetBrains.Annotations;
using ReactiveUI;

public sealed class XboxInfoViewModel
{
    readonly Window _view;
    readonly byte[] _xboxSecuritySector;

    public XboxInfoViewModel([CanBeNull] XgdInfo xgdInfo, [CanBeNull] byte[] dmi, [CanBeNull] byte[] securitySector,
                             SS.SecuritySector? decodedSecuritySector, Window view)
    {
        _xboxSecuritySector = securitySector;
        _view               = view;
        SaveXboxSsCommand   = ReactiveCommand.Create(ExecuteSaveXboxSsCommand);

        if(xgdInfo != null)
        {
            XboxInformationVisible = true;
            XboxL0VideoText        = $"{xgdInfo.L0Video} sectors";
            XboxL1VideoText        = $"{xgdInfo.L1Video} sectors";
            XboxMiddleZoneText     = $"{xgdInfo.MiddleZone} sectors";
            XboxGameSizeText       = $"{xgdInfo.GameSize} sectors";
            XboxTotalSizeText      = $"{xgdInfo.TotalSize} sectors";
            XboxRealBreakText      = xgdInfo.LayerBreak.ToString();
        }

        if(dmi != null)
        {
            if(DMI.IsXbox(dmi))
                XboxDmiText = DMI.PrettifyXbox(dmi);
            else if(DMI.IsXbox360(dmi))
                XboxDmiText = DMI.PrettifyXbox360(dmi);
        }

        if(decodedSecuritySector.HasValue)
            XboxSsText = SS.Prettify(decodedSecuritySector);

        SaveXboxSsVisible = securitySector != null;
    }

    public ReactiveCommand<Unit, Task> SaveXboxSsCommand      { get; }
    public bool                        XboxInformationVisible { get; }
    public bool                        SaveXboxSsVisible      { get; }
    public string                      XboxL0VideoText        { get; }
    public string                      XboxL1VideoText        { get; }
    public string                      XboxMiddleZoneText     { get; }
    public string                      XboxGameSizeText       { get; }
    public string                      XboxTotalSizeText      { get; }
    public string                      XboxRealBreakText      { get; }
    public string                      XboxDmiText            { get; }
    public string                      XboxSsText             { get; }

    async Task SaveElement(byte[] data)
    {
        var dlgSaveBinary = new SaveFileDialog();

        dlgSaveBinary.Filters?.Add(new FileDialogFilter
        {
            Extensions = new List<string>(new[]
            {
                "*.bin"
            }),
            Name = "Binary"
        });

        string result = await dlgSaveBinary.ShowAsync(_view);

        if(result is null)
            return;

        var saveFs = new FileStream(result, FileMode.Create);
        saveFs.Write(data, 0, data.Length);

        saveFs.Close();
    }

    public async Task ExecuteSaveXboxSsCommand() => await SaveElement(_xboxSecuritySector);
}