using DTO;
using System.Net;
using Microsoft.AspNetCore.Http;
using Microsoft.AspNetCore.Mvc;
using Shared;
using Entity;

namespace WfApi.Controllers
{
    [ApiController]
    [Route("api/v1/image")] //Version API
    public class ImageController : ControllerBase
    {
        private readonly IImagesService<ImageDTO> _img;
        private readonly ILogger<ImageController> _logger;

        public ImageController(IImagesService<ImageDTO> imgService, ILogger<ImageController> logger)
        {
            _img = imgService;
            _logger = logger;
        }


        [HttpGet("{id}")] // Indiquer que l'id est dans l'URL
        [ProducesResponseType(StatusCodes.Status200OK)]
        [ProducesResponseType(StatusCodes.Status500InternalServerError)]
        [ProducesResponseType(StatusCodes.Status404NotFound)]
        public async Task<IActionResult> GetImageId(int id)
        {
            try
            {
                try
                {
                    var image = await _img.GetImageById(id);
                    return Ok(image);
                }
                catch (KeyNotFoundException e)
                {
                    return NotFound();
                }
            }
            catch (Exception e)
            {
                return StatusCode((int)HttpStatusCode.InternalServerError, new { message = "Internal Server Error (" + e + ")" });
            }
        }

        [HttpGet("all")]
        [ProducesResponseType(StatusCodes.Status200OK)]
        [ProducesResponseType(StatusCodes.Status204NoContent)]
        [ProducesResponseType(StatusCodes.Status500InternalServerError)]
        public async Task<IActionResult> GetAllImage(int index = 0, int count = 10)
        {
            try
            {
                var result = await _img.GetSomeImage(index, count);
                if (result == null) 
                {
                    return NotFound();
                }
                return Ok(result);
            }
            catch (KeyNotFoundException e)
            {
                return StatusCode((int)HttpStatusCode.InternalServerError, new { message = "Internal Server Error" });
            }
        }

        [HttpPost]
        [ProducesResponseType(StatusCodes.Status200OK)]
        [ProducesResponseType(StatusCodes.Status204NoContent)]
        [ProducesResponseType(StatusCodes.Status500InternalServerError)]
        [ProducesResponseType(StatusCodes.Status400BadRequest)]
        public async Task<IActionResult> CreateImage([FromBody] ImageDTO newImage)
        {
            try
            {
                if(newImage == null)
                {
                    return BadRequest(new { message = "Source data is required." });
                }
                try
                {
                    var existImage = await _img.GetImageById(newImage.IdImage);
                    return Conflict(new { message = $"A Image with the ID {newImage.IdImage} already exists." });
                }
                catch(KeyNotFoundException e)
                {
                    var existPath = await _img.GetImageByPath(newImage.ImagePath);
                    if(existPath == null)
                    {
                        await _img.AddImage(newImage);
                        return Ok(newImage);
                    }
                    return Conflict(new { message = $"A Image with the path {newImage.ImagePath} already exists." });
                }
            }
            catch(Exception e)
            {
                return StatusCode((int)HttpStatusCode.InternalServerError, new { message = "Internal Server Error" });
            }
        }



        [HttpPut()]
        [ProducesResponseType(StatusCodes.Status200OK)]
        [ProducesResponseType(StatusCodes.Status204NoContent)]
        [ProducesResponseType(StatusCodes.Status500InternalServerError)]
        public async Task<IActionResult> UpdateImage([FromQuery] int id, [FromBody] ImageDTO updatedImage)
        {
            try
            {
                if (updatedImage == null)
                {
                    return BadRequest(new { message = "new source data is required." });
                }
                try
                {
                    var existImage = await _img.GetImageById(id);
                    var existPath = await _img.GetImageByPath(updatedImage.ImagePath);
                    if (existPath == null)
                    {
                        await _img.UpdateImage(id, updatedImage);
                        return Ok(updatedImage);
                    }
                    return Conflict(new { message = $"A Image with the path {updatedImage.ImagePath} already exists." });
                }
                catch (KeyNotFoundException e)
                {
                    return Conflict(new { message = $"A Image with the ID {id} dosen't exists." });
                }
            }
            catch (Exception e)
            {
                return StatusCode((int)HttpStatusCode.InternalServerError, new { message = "Internal Server Error (" + e + ")" });
            }
        }

    }
}