using System.Diagnostics;
using System.Text;
using MicroForge.CLI.Exceptions;

namespace MicroForge.CLI;

public static class Bash
{
    public static async Task RunAsync(params string[] script)
    {
        var info = new ProcessStartInfo
        {
            FileName = "bash",
            UseShellExecute = false,
            CreateNoWindow = true,
            RedirectStandardInput = true,
            RedirectStandardOutput = true,
            RedirectStandardError = true,
        };

        using var process = Process.Start(info);

        if (process is null)
            throw new NullReferenceException("Could not initialize bash process.");

        process.OutputDataReceived += (sender, args) => Console.WriteLine(args.Data);
        process.BeginOutputReadLine();
        process.ErrorDataReceived += (sender, args) => Console.WriteLine(args.Data);
        process.BeginErrorReadLine();

        await using var input = process.StandardInput;
        foreach (var line in script)
            await input.WriteLineAsync(line);

        await input.FlushAsync();
        input.Close();

        await process.WaitForExitAsync();

        if (process.ExitCode != 0)
            Console.WriteLine($"Process exited with status code {process.ExitCode}.");
    }

    public static async Task ExecuteAsync(params string[] script)
    {
        var info = new ProcessStartInfo
        {
            FileName = "bash",
            UseShellExecute = false,
            CreateNoWindow = true,
            RedirectStandardInput = true,
            RedirectStandardOutput = true,
            RedirectStandardError = true,
        };

        using var process = Process.Start(info);

        if (process is null)
            throw new NullReferenceException("Could not initialize bash process.");

        await using var input = process.StandardInput;
        foreach (var line in script)
            await input.WriteLineAsync(line);

        await input.FlushAsync();
        input.Close();

        var sb = new StringBuilder();
        sb.Append(await process.StandardOutput.ReadToEndAsync());
        sb.Append(await process.StandardError.ReadToEndAsync());
        Console.WriteLine(sb.ToString());

        await process.WaitForExitAsync();

        // if (process.ExitCode != 0)
        //     throw new BashException($"Process exited with status code {process.ExitCode}.");

        if (process.ExitCode != 0)
            Console.WriteLine($"Process exited with status code {process.ExitCode}.");
    }
}