using Microsoft.AspNetCore.Authorization;
using Microsoft.AspNetCore.Mvc;
using Microsoft.EntityFrameworkCore;
using Mono.TextTemplating;
using PSTW_CentralSystem.Areas.Inventory.Models;
using PSTW_CentralSystem.DBContext;
using PSTW_CentralSystem.Models;
using System.Diagnostics;
using System.Reflection;

namespace PSTW_CentralSystem.Controllers.API.Inventory
{
    [ApiController]
    [Route("[controller]")]

    public class InvMainAPI : Controller
    {
        private readonly ILogger<InvMainAPI> _logger;
        private readonly AuthDBContext _authDbContext;

        public InvMainAPI(ILogger<InvMainAPI> logger, AuthDBContext authDbContext)
        {
            _logger = logger;
            _authDbContext = authDbContext;
        }
        #region Manufacturer

        [HttpPost("ManufacturerList")]
        public async Task<IActionResult> ManufacturerList()
        {
            var manifacturerList = await _authDbContext.Manufacturers.ToListAsync();
            return Json(manifacturerList);
        }

        [HttpPost("AddManufacturer")]
        public async Task<IActionResult> AddManufacturer([FromBody] ManufacturerModel manufacturer)
        {
            if (!ModelState.IsValid)
            {
                return BadRequest(ModelState);
            }
            if (manufacturer == null)
            {
                return NotFound("Manufacturer is null");
            }

            try
            {
                _authDbContext.Manufacturers.Add(new ManufacturerModel
                {
                    ManufacturerName = manufacturer.ManufacturerName,
                });
                await _authDbContext.SaveChangesAsync();
                var updatedList = await _authDbContext.Manufacturers.ToListAsync();
                return Json(updatedList);
            }
            catch (Exception ex)
            {
                return BadRequest(ex.Message);
            }
        }

        [HttpDelete("DeleteManufacturer/{id}")]
        public async Task<IActionResult> DeleteManufacturer(int id)
        {
            var manufacturer = await _authDbContext.Manufacturers.FindAsync(id);
            if (manufacturer == null)
            {
                return NotFound(new { success = false, message = "Manufacturer not found" });
            }

            _authDbContext.Manufacturers.Remove(manufacturer);
            await _authDbContext.SaveChangesAsync();

            return Ok(new { success = true, message = "Manufacturer deleted successfully" });
        }
        #endregion Manufacturer

        #region Product

        [HttpPost("ProductList")]
        public async Task<IActionResult> ProductList()
        {
            var productList = await _authDbContext.Products.Include("Manufacturer").Where(x => x.ManufacturerId == x.ManufacturerId).ToListAsync();
            return Json(productList);
        }

        [HttpPost("AddProduct")]
        public async Task<IActionResult> AddProduct([FromBody] ProductModel product)
        {
            if (!ModelState.IsValid)
            {
                return BadRequest(ModelState);
            }
            if (product == null)
            {
                return NotFound("Product is null");
            }

            try
            {
                product.QuantityProduct = 0;
                var productImage = product.ImageProduct; // Save image to wwwroot/media/inventory/images | Images name is product.ModelNo | product.ImageProduct is in base64 string
                if (!string.IsNullOrEmpty(product.ImageProduct))
                {
                    var bytes = Convert.FromBase64String(product.ImageProduct);
                    var filePath = Path.Combine(Directory.GetCurrentDirectory(), "wwwroot/media/inventory/images", product.ModelNo);
                    await System.IO.File.WriteAllBytesAsync(filePath, bytes);
                    product.ImageProduct = "/media/inventory/images/" + product.ModelNo;
                }
                _authDbContext.Products.Add(product);
                await _authDbContext.SaveChangesAsync();
                var updatedList = await _authDbContext.Manufacturers.Include("Manufacturer").Where(x => x.ManufacturerId == x.ManufacturerId).ToListAsync();
                return Json(updatedList);
            }
            catch (Exception ex)
            {
                return BadRequest(ex.Message);
            }
        }

        [HttpDelete("DeleteProduct/{id}")]
        public async Task<IActionResult> DeleteProduct(int id)
        {
            var Product = await _authDbContext.Manufacturers.FindAsync(id);
            if (Product == null)
            {
                return NotFound(new { success = false, message = "Product not found" });
            }

            _authDbContext.Manufacturers.Remove(Product);
            await _authDbContext.SaveChangesAsync();

            return Ok(new { success = true, message = "Product deleted successfully" });
        }

        #endregion Product
    }
}