// Copyright © 2017-2025 QL-Win Contributors
//
// This file is part of QuickLook program.
//
// 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/>.

using ICSharpCode.SharpZipLib.Zip;
using System;
using System.Collections.Generic;
using System.Diagnostics;
using System.IO;
using System.Linq;

namespace QuickLook.Plugin.AppViewer.PackageParsers.Apk;

public static class ApkParser
{
    public static ApkInfo Parse(string path)
    {
        try
        {
            using var zip = new ZipFile(path);

            var apkReader = new ApkReader.ApkReader();
            ApkReader.ApkInfo baseInfo = apkReader.Read(path);
            ApkInfo info = new()
            {
                VersionName = baseInfo.VersionName,
                VersionCode = baseInfo.VersionCode,
                TargetSdkVersion = baseInfo.TargetSdkVersion,
                Permissions = baseInfo.Permissions,
                PackageName = baseInfo.PackageName,
                MinSdkVersion = baseInfo.MinSdkVersion,
                Icon = baseInfo.Icon,
                Icons = baseInfo.Icons,
                Label = baseInfo.Label,
                Labels = baseInfo.Labels,
                Locales = baseInfo.Locales,
                Densities = baseInfo.Densities,
                LaunchableActivity = baseInfo.LaunchableActivity,
            };

            if (baseInfo.HasIcon)
            {
                ZipEntry entry = zip.GetEntry(baseInfo.Icons.Values.LastOrDefault());
                using var s = new BinaryReader(zip.GetInputStream(entry));
                info.Logo = s.ReadBytes((int)entry.Size);
            }

            var abiSet = new HashSet<string>();

            foreach (ZipEntry entry in zip)
            {
                if (entry.IsFile && entry.Name.StartsWith("lib/"))
                {
                    var relativePath = entry.Name.Substring("lib/".Length);
                    int slashIndex = relativePath.IndexOf('/');

                    if (slashIndex > 0)
                    {
                        string abi = relativePath.Substring(0, slashIndex);
                        abiSet.Add(abi);
                    }
                }
            }

            info.ABIs = [.. abiSet];

            return info;
        }
        catch (Exception e)
        {
            Debug.WriteLine(e);
        }

        return new ApkInfo();
    }
}