using Microsoft.AspNetCore.Mvc;

namespace TuneRipper.Api.Controllers;

[ApiController]
[Route("api/[controller]")]
public class DownloadController : ControllerBase
{
    [HttpGet("{jobId}")]
    public IActionResult DownloadFile(string jobId)
    {
        if (string.IsNullOrWhiteSpace(jobId))
        {
            return BadRequest("Job ID is required");
        }

        try
        {
            // In production, you would:
            // 1. Verify the job exists and is completed
            // 2. Get the actual file path from storage
            // 3. Return the actual file

            // For demo purposes, return a sample response
            var sampleContent = System.Text.Encoding.UTF8.GetBytes("Sample MP3 file content - this would be actual audio data in production");
            var fileName = $"video_{jobId}.mp3";
            
            return File(sampleContent, "audio/mpeg", fileName);
        }
        catch (Exception ex)
        {
            return StatusCode(500, $"Error downloading file: {ex.Message}");
        }
    }

    [HttpGet("info/{jobId}")]
    public IActionResult GetDownloadInfo(string jobId)
    {
        if (string.IsNullOrWhiteSpace(jobId))
        {
            return BadRequest("Job ID is required");
        }

        // Return download metadata
        var info = new
        {
            jobId,
            fileName = $"video_{jobId}.mp3",
            fileSize = "3.2 MB",
            format = "MP3",
            quality = "128 kbps",
            createdAt = DateTime.UtcNow,
            expiresAt = DateTime.UtcNow.AddHours(24)
        };

        return Ok(info);
    }
}