using back.DataModels;
using back.DTO;
using back.services.bussines.PhotoService;
using Microsoft.AspNetCore.Mvc;

namespace back.controllers;

[Route("api/[controller]")]
[ApiController]
public class PhotosController(IPhotoService photoService) : ControllerBase
{
    private readonly IPhotoService _photoService = photoService;

    // GET: api/<PhotoController>
    [HttpGet]
    public async Task<ActionResult<IEnumerable<Photo>>> Get([FromQuery] int page = 1, [FromQuery] int pageSize = 20)
    {
        (int totalItems, IEnumerable<Photo>? pageData) = await _photoService.GetPage(page, pageSize);
        Response.Headers.Append("X-Total-Count", totalItems.ToString());
        return Ok(pageData);
    }

    // GET api/<PhotoController>/5
    [HttpGet("{id}/{res}")]
    public async Task<IActionResult> Get(string id, string res)
    {
        (string? mediaType, byte[]? fileBytes) = await _photoService.GetBytes(id, res.ToLower());
        if(fileBytes == null)
            return NotFound();
        return File(fileBytes, mediaType ?? "image/jpeg");
    }

    // POST api/<PhotoController>
    [HttpPost]
    public async Task<IActionResult> Post([FromForm] PhotoFormModel form)
    {
        try
        {
            if (form.Image == null || form.Image.Length == 0)
                return BadRequest("No image uploaded.");

            await _photoService.Create(form);

            return Created();
        }
        catch
        {
            return BadRequest();
        }
    }

    //// PUT api/<PhotoController>
    [HttpPut]
    public async Task<IActionResult> Put([FromBody] Photo photo)
    {
        await _photoService.Update(photo);
        return NoContent();
    }

    // DELETE api/<PhotoController>/5
    [HttpDelete("{id}")]
    public async Task<IActionResult> Delete(string id)
    {
        await _photoService.Delete(id);
        return NoContent();
    }
}