using Microsoft.AspNetCore.Mvc;
using System.Diagnostics;

namespace WebAPI.Controllers
{
    [Route("[controller]")]
    [ApiController]
    public class DocumentsController : ControllerBase
    {
        [HttpPost("convert")]
        public IActionResult ConvertToPdf([FromBody] ConvertRequest request)
        {
            if (request == null || string.IsNullOrEmpty(request.InputPath))
            {
                return BadRequest("Invalid request.");
            }

            try
            {
                string exePath = @"D:\ConvertToPDF\ctp\bin\Debug\ctp.exe";
                var processStartInfo = new ProcessStartInfo
                {
                    FileName = exePath,
                    Arguments = $"{request.InputPath}",
                    RedirectStandardOutput = true,
                    RedirectStandardError = true,
                    UseShellExecute = false,
                    CreateNoWindow = true
                };

                using (var process = Process.Start(processStartInfo))
                {
                    process.WaitForExit();

                    if (process.ExitCode != 0)
                    {
                        string error = process.StandardError.ReadToEnd();
                        return StatusCode(500, $"Conversion failed: {error}");
                    }
                }

                return Ok($"File successfully converted to PDF");
            }
            catch (Exception ex)
            {
                return StatusCode(500, $"An error occurred: {ex.Message}");
            }
        }
    }

    public class ConvertRequest
    {
        public string InputPath { get; set; }
    }
}