<?php
/**
 * The public-facing functionality of the plugin.
 *
 * @package AICOSO_Dynamic_Pricing_For_WooCommerce
 */

/**
 * The public-facing functionality of the plugin.
 */
class DP_AICOSO_Public {

	/**
	 * The ID of this plugin.
	 *
	 * @var string $plugin_name The ID of this plugin.
	 */
	private $plugin_name;

	/**
	 * The version of this plugin.
	 *
	 * @var string $version The current version of this plugin.
	 */
	private $version;

	/**
	 * Initialize the class and set its properties.
	 *
	 * @param string $plugin_name The name of the plugin.
	 * @param string $version     The version of this plugin.
	 */
	public function __construct( $plugin_name, $version ) {
		$this->plugin_name = $plugin_name;
		$this->version     = $version;
	}

	/**
	 * Register the stylesheets for the public-facing side of the site.
	 */
	public function enqueue_styles() {
		// Only enqueue on WooCommerce pages.
		if ( ! is_woocommerce() && ! is_product() && ! is_shop() && ! is_cart() ) {
			return;
		}

		wp_enqueue_style(
			$this->plugin_name,
			DP_AICOSO_PLUGIN_URL . 'public/css/dp-aicoso-public.css',
			array(),
			$this->version,
			'all'
		);

		// Enqueue product price styles on product pages.
		if ( is_product() ) {
			wp_enqueue_style(
				$this->plugin_name . '-product-price',
				DP_AICOSO_PLUGIN_URL . 'assets/css/product-price.css',
				array(),
				$this->version,
				'all'
			);
		}
	}

	/**
	 * Register the JavaScript for the public-facing side of the site.
	 */
	public function enqueue_scripts() {
		// Only enqueue on WooCommerce pages.
		if ( ! is_woocommerce() && ! is_product() && ! is_shop() && ! is_cart() ) {
			return;
		}

		wp_enqueue_script(
			$this->plugin_name,
			DP_AICOSO_PLUGIN_URL . 'public/js/dp-aicoso-public.js',
			array( 'jquery' ),
			$this->version,
			true
		);

		// Localize script.
		wp_localize_script(
			$this->plugin_name,
			'dp_aicoso_public',
			array(
				'ajax_url' => admin_url( 'admin-ajax.php' ),
				'nonce'    => wp_create_nonce( 'dp_aicoso_public' ),
			)
		);

		// Enqueue Blocks cart fix on cart pages.
		if ( is_cart() ) {
			wp_enqueue_script(
				$this->plugin_name . '-blocks-cart',
				DP_AICOSO_PLUGIN_URL . 'assets/js/blocks-cart-fix.js',
				array( 'wp-data', 'wp-element' ),
				$this->version,
				true
			);
		}

		// Enqueue product price update script on single product pages.
		if ( is_product() ) {
			wp_enqueue_script(
				$this->plugin_name . '-product-price',
				DP_AICOSO_PLUGIN_URL . 'assets/js/product-price-force-update.js',
				array( 'jquery' ),
				time(), // Use time() for cache busting during development.
				true
			);

			// Also localize for this script.
			wp_localize_script(
				$this->plugin_name . '-product-price',
				'dp_aicoso_public',
				array(
					'ajax_url' => admin_url( 'admin-ajax.php' ),
					'nonce'    => wp_create_nonce( 'dp_aicoso_public' ),
					'debug' => defined( 'WP_DEBUG' ) && WP_DEBUG,
				)
			);
		}
	}

	/**
	 * Modify product price based on dynamic pricing rules.
	 *
	 * @param float      $price   The original price.
	 * @param WC_Product $product The product object.
	 * @return float The modified price.
	 */
	public function modify_product_price( $price, $product ) {
		// Skip if in admin and not doing AJAX.
		if ( is_admin() && ! wp_doing_ajax() ) {
			return $price;
		}

		// Skip if no price.
		if ( empty( $price ) ) {
			return $price;
		}

		// Get current user.
		$user = wp_get_current_user();

		// For now, return the original price.
		// Full implementation will query rules and calculate dynamic price.
		return $price;
	}

	/**
	 * Apply dynamic pricing to cart items.
	 *
	 * @param WC_Cart $cart The cart object.
	 */
	public function apply_cart_pricing( $cart ) {
		// Skip if cart is empty.
		if ( $cart->is_empty() ) {
			return;
		}

		// Skip in admin.
		if ( is_admin() && ! wp_doing_ajax() ) {
			return;
		}

		// Get price calculator instance.
		$calculator = DP_AICOSO_Price_Calculator::get_instance();

		// Iterate through cart items.
		foreach ( $cart->get_cart() as $cart_item_key => $cart_item ) {
			$product  = $cart_item['data'];
			$quantity = $cart_item['quantity'];

			// Calculate dynamic price based on quantity and rules.
			$original_price = $product->get_price();
			$new_price = $calculator->calculate_price( $product, $quantity );

			// If price changed, update the product price.
			if ( false !== $new_price && $original_price != $new_price ) {
				$product->set_price( $new_price );
			}
		}
	}

	/**
	 * Display bulk pricing table on product page.
	 */
	public function display_bulk_pricing_table() {
		global $product;

		// Check if product exists.
		if ( ! $product ) {
			return;
		}

		// Check if bulk pricing is enabled.
		$settings = get_option( 'dp_aicoso_settings', array() );
		if ( empty( $settings['show_bulk_table'] ) ) {
			return;
		}

		// For now, display a placeholder.
		// Full implementation will query rules and display pricing table.
		?>
		<div class="dp-aicoso-bulk-pricing-table">
			<!-- Bulk pricing table will be displayed here -->
		</div>
		<?php
	}
}