using Microsoft.AspNetCore.Mvc;
using Microsoft.EntityFrameworkCore;
using WebVentaCoche.DataBase;
using WebVentaCoche.Models;

namespace WebVentaCoche.Controllers
{
    public class ProductsController : Controller
    {
        private readonly ApplicationDbContext _context;

        public ProductsController(ApplicationDbContext context)
        {
            _context = context;
        }

        // Lista de productos paginada
        public async Task<IActionResult> Index(int page = 1, int pageSize = 10)
        {
            var products = await _context.Products
                .Skip((page - 1) * pageSize)
                .Take(pageSize)
                .ToListAsync();

            ViewBag.TotalPages = (int)Math.Ceiling((double)_context.Products.Count() / pageSize);
            ViewBag.CurrentPage = page;

            return View(products);
        }

        // Ver detalles de un producto
        public async Task<IActionResult> Details(int id)
        {
            var product = await _context.Products.FindAsync(id);
            if (product == null)
            {
                return NotFound();
            }
            return View(product);
        }

        // Página para añadir producto
        [HttpGet]
        public IActionResult Create()
        {
            return View();
        }

        // Procesar el POST para añadir producto
        [HttpPost]
        public async Task<IActionResult> Create(Product product, IFormFile Image)
        {
            if (ModelState.IsValid)
            {
                if (Image != null && Image.Length > 0)
                {
                    // Crear la carpeta si no existe
                    var imagesPath = Path.Combine(Directory.GetCurrentDirectory(), "wwwroot/images");
                    if (!Directory.Exists(imagesPath))
                    {
                        Directory.CreateDirectory(imagesPath);
                    }

                    // Generar un nombre único para la imagen
                    var uniqueFileName = Guid.NewGuid().ToString() + Path.GetExtension(Image.FileName);

                    // Guardar la imagen en la carpeta wwwroot/images
                    var filePath = Path.Combine(imagesPath, uniqueFileName);
                    using (var stream = new FileStream(filePath, FileMode.Create))
                    {
                        await Image.CopyToAsync(stream);
                    }

                    // Guardar la ruta relativa en la base de datos
                    product.ImagePath = $"/images/{uniqueFileName}";
                }

                _context.Add(product);
                await _context.SaveChangesAsync();
                return RedirectToAction(nameof(Index));
            }

            return View(product);
        }

        [HttpGet]
        public async Task<IActionResult> Edit(int id)
        {
            var product = await _context.Products.FindAsync(id);
            if (product == null)
            {
                return NotFound();
            }
            return View(product);
        }

        [HttpPut]
        public async Task<IActionResult> Edit(int id, [FromBody] Product updatedProduct)
        {
            if (id != updatedProduct.Id)
            {
                return BadRequest("El ID del producto no coincide.");
            }

            var product = await _context.Products.FindAsync(id);
            if (product == null)
            {
                return NotFound();
            }

            product.Name = updatedProduct.Name;
            product.ShortDescription = updatedProduct.ShortDescription;
            product.LongDescription = updatedProduct.LongDescription;
            product.Price = updatedProduct.Price;

            _context.Products.Update(product);
            await _context.SaveChangesAsync();

            return Ok(new { message = "Producto actualizado correctamente" });
        }

        [HttpDelete]
        public async Task<IActionResult> Delete(int id)
        {
            var product = await _context.Products.FindAsync(id);
            if (product == null)
            {
                return NotFound();
            }

            _context.Products.Remove(product);
            await _context.SaveChangesAsync();

            return Ok(new { message = "Producto eliminado correctamente" });
        }
    }
}