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<?php

namespace App\Http\Controllers;

use App\Models\Product;
use App\Models\Category;
use Illuminate\Http\Request;
use Illuminate\Support\Facades\Storage;

class ProductController extends Controller
{
    public function index()
    {
        $products = Product::with('category')->get();
        return view('products.index', compact('products'));
    }
    

    public function create()
    {
        $categories = Category::all();
        return view('products.create', compact('categories'));
    }
    

    public function store(Request $request)
    {
        $request->validate([
            'name' => 'required|string|max:255',
            'price' => 'required|numeric|min:0',
            'quantity' => 'required|integer|min:1',
            'category_id' => 'required|exists:categories,id',
            'description' => 'nullable|string',
            'discount' => 'nullable|numeric|min:0|max:100',
            'image' => 'nullable|image|mimes:jpeg,png,jpg,gif|max:2048'
        ]);
    
        $data = $request->all();
    
        // Lưu hình ảnh nếu có upload
        if ($request->hasFile('image')) {
            $imagePath = $request->file('image')->store('products', 'public');
            $data['image'] = $imagePath;
        }
    
        Product::create($data);
    
        return redirect()->route('products.index')->with('success', 'Sản phẩm đã được thêm!');
    }
    
    

    public function edit(Product $product)
    {
        $categories = Category::all();
        return view('products.edit', compact('product', 'categories'));
    }

    public function update(Request $request, Product $product)
    {
        $request->validate([
            'name' => 'required|string|max:255',
            'price' => 'required|numeric|min:0',
            'quantity' => 'required|integer|min:1',
            'category_id' => 'required|exists:categories,id',
            'description' => 'nullable|string',
            'discount' => 'nullable|numeric|min:0|max:100',
            'image' => 'nullable|image|mimes:jpeg,png,jpg,gif|max:2048'
        ]);

        $data = $request->except('image');

        if ($request->hasFile('image')) {
            if ($product->image) {
                Storage::disk('public')->delete($product->image);
            }
            $imagePath = $request->file('image')->store('products', 'public');
            $data['image'] = $imagePath;
        }

        $product->update($data);

        return redirect()->route('products.index')->with('success', 'Cập nhật sản phẩm thành công!');
    }

    public function destroy(Product $product)
    {
        if ($product->image) {
            Storage::disk('public')->delete($product->image);
        }
        $product->delete();

        return redirect()->route('products.index')->with('success', 'Xóa sản phẩm thành công!');
    }

    public function userProducts(Request $request)
    {
        $query = Product::query()->with('category');
    
        // Tìm kiếm theo tên sản phẩm
        if ($request->has('search') && !empty($request->search)) {
            $query->where('name', 'like', '%' . $request->search . '%');
        }
    
        // Lọc theo danh mục
        if ($request->has('category') && !empty($request->category)) {
            $query->where('category_id', $request->category);
        }
    
        // Lọc theo giá
        if ($request->has('min_price') && !empty($request->min_price)) {
            $query->where('price', '>=', $request->min_price);
        }
    
        if ($request->has('max_price') && !empty($request->max_price)) {
            $query->where('price', '<=', $request->max_price);
        }
    
        // Phân trang (10 sản phẩm mỗi trang)
        $products = $query->paginate(4);
    
        $categories = Category::all();
    
        return view('products.products', compact('products', 'categories'));
    }
    

}