using CliWrap;
using InnovEnergy.Lib.Utils;
using static InnovEnergy.Server.FirmwareCiDaemon.ExitException;
using static InnovEnergy.Server.FirmwareCiDaemon.Logger;

namespace InnovEnergy.Server.FirmwareCiDaemon;

public static class Cpio
{
    public static void Write(String cpioDir, String swuFile)
    {
        var swuFileName = Path.GetFileName(swuFile);

        Log($"writing {swuFileName}");

        // ls | cpio -o -H crc > "../$swu" 2>/dev/null

        var ls = Cli
            .Wrap("ls")
            .WithWorkingDirectory(cpioDir);

        var cpio = Cli
            .Wrap("cpio")
            .WithArguments("-o -H crc")
            .WithStandardOutputPipe(PipeTarget.ToFile(swuFile))
            .WithWorkingDirectory(cpioDir);

        var lsCpio = (ls | cpio).ExecuteAsync().Task.Result;

        if (lsCpio.ExitCode != 0)
            Exit($"Failed to write {swuFileName}");
    }

    public static Disposable<String> Extract(String swuFile)
    {
        Log($"extracting {Path.GetFileName(swuFile)}");

        var cpioDir = FileSystem.CreateTmpDir();

        var cpio = Cli
            .Wrap("cpio")
            .WithArguments("-id")
            .WithStandardInputPipe(PipeSource.FromFile(swuFile))
            .WithWorkingDirectory(cpioDir)
            .ExecuteSync();

        if (cpio.exitCode != 0)
        {
            cpioDir.Dispose();
            Exit("Failed to extract swu");
        }

        return cpioDir;
    }
}