<?php

declare(strict_types=1);

namespace App\Controllers;

use App\Core\Controller;
use App\Core\Http\Request;
use App\Core\Http\Response;
use App\Models\Product;

class ProductController extends Controller
{
    public function index(Request $request, Response $response): string
    {
        $products = Product::all();
        return $this->render('products/index', [
            'title' => 'Product Inventory',
            'products' => $products,
        ]);
    }

    public function store(Request $request, Response $response): Response
    {
        $sku = trim((string)$request->post('sku'));
        $name = trim((string)$request->post('name'));
        $price = (float)$request->post('price', 0);
        $stock = (int)$request->post('stock', 0);
        $category = trim((string)$request->post('category', 'General'));
        $description = trim((string)$request->post('description', ''));

        if (empty($sku) || empty($name) || $price <= 0) {
            return $this->redirect('/products', null, 'Please provide valid SKU, name, and positive price.');
        }

        try {
            Product::create([
                'sku' => $sku,
                'name' => $name,
                'price' => $price,
                'stock' => $stock,
                'category' => $category,
                'description' => $description,
            ]);
            return $this->redirect('/products', 'Product added successfully!');
        } catch (\Throwable $e) {
            return $this->redirect('/products', null, 'Error adding product: ' . $e->getMessage());
        }
    }
}