using System.Diagnostics;
using System.Reactive.Linq;
using System.Text;
using InnovEnergy.SysTools.Process;

namespace InnovEnergy.SysTools.Edges;

public static class SysCommandToProcess
{
    public static ProcessResult ExecuteBlocking(this SysCommand command, Dictionary<String, String> variables = null, Boolean logToConsole =false)
    {
        var process = command.ToAsyncProcess(variables, logToConsole);

        var stdOut = new List<String>();
        var stdErr = new List<String>();
        var output = new StringBuilder();

        process.StandardOut.Subscribe(o =>
        {
            stdOut.Add(o);
            output.AppendLine(o);
        });

        process.StandardErr.Subscribe(e =>
        {
            stdErr.Add(e);
            output.AppendLine(e);
        });

        process.Run();

            
        var exitCode = process.ExitCode.Wait();

        process.Terminate();
        return new ProcessResult(exitCode, stdOut, stdErr, output.ToString());
    }

    public static AsyncProcess ToAsyncProcess(this SysCommand command, Dictionary<String, String> variables = null, Boolean logToConsole = false)
    {
        return new AsyncProcess(command, variables, logToConsole);
    }

    public static SyncProcess ToSyncProcess(this SysCommand command, Dictionary<String, String> variables = null, Boolean logToConsole = false)
    {
        return new SyncProcess(command, variables, logToConsole);
    }

    public static System.Diagnostics.Process ToConsoleProcess(this SysCommand command, Dictionary<String, String> variables = null)
    {
        var startInfo = new ProcessStartInfo
        {
            RedirectStandardOutput = false,
            RedirectStandardError  = false,
            RedirectStandardInput  = false,
            UseShellExecute        = false,
            CreateNoWindow         = true,
            Arguments              = command.Args,
            FileName               = command.Path,
        };

        if (variables != null)
            foreach (var kv in variables)
                startInfo.EnvironmentVariables[kv.Key] = kv.Value;

        return new System.Diagnostics.Process
        {
            StartInfo = startInfo,
            EnableRaisingEvents = true
        };
    }
}