<?php

namespace ArrayFunnel\Features\Assets\Services;

use ArrayFunnel\Supports\Config;

defined('ABSPATH') || exit;

/**
 * Registers the front-end scripts and styles.
 */
final class Hooks
{
    public function __construct()
    {
        add_action('wp_enqueue_scripts', [$this, 'enqueueFrontendAssets']);
    }

    public function enqueueFrontendAssets(): void
    {
        if (!function_exists('WC')) {
            return;
        }

        $sideCartEnabled = 'yes' === get_option('arrayfunnel_side_cart_enabled', 'yes');
        $checkoutPage = is_checkout();

        if (!$sideCartEnabled && !$checkoutPage) {
            return;
        }

        wp_enqueue_style(
            'arrayfunnel-frontend',
            (string) Config::get('plugin.public_url') . 'build/frontend/side-cart.css',
            [],
            ARRAYFUNNEL_VERSION
        );

        // The build emits a mirrored stylesheet; let WordPress swap it in on RTL locales.
        wp_style_add_data('arrayfunnel-frontend', 'rtl', 'replace');

        if ($sideCartEnabled) {
            $this->enqueueSideCart();
        }

        if ($checkoutPage) {
            $this->enqueueCheckout();
        }
    }

    private function enqueueSideCart(): void
    {
        $asset = $this->assetMetadata('frontend/side-cart.asset.php');

        wp_enqueue_script(
            'arrayfunnel-side-cart',
            (string) Config::get('plugin.public_url') . 'build/frontend/side-cart.js',
            $asset['dependencies'],
            $asset['version'],
            true
        );

        wp_localize_script('arrayfunnel-side-cart', 'arrayfunnelCart', [
            'ajaxUrl' => admin_url('admin-ajax.php'),
            'nonce' => wp_create_nonce('arrayfunnel_cart_nonce'),
            'currency' => [
                'symbol' => get_woocommerce_currency_symbol(),
                'code' => get_woocommerce_currency(),
                'position' => get_option('woocommerce_currency_pos'),
            ],
            'openMode' => get_option('arrayfunnel_side_cart_open_mode', 'always'),
            'i18n' => [
                'emptyCart' => __('Your cart is empty', 'arrayfunnel'),
                'continueShopping' => __('Continue Shopping', 'arrayfunnel'),
                'remove' => __('Remove', 'arrayfunnel'),
                'freeShipping' => __("You've unlocked FREE shipping!", 'arrayfunnel'),
                'freeShippingUnlocked' => __("You've unlocked FREE shipping!", 'arrayfunnel'),
                'freeShippingUnlockedShort' => __('Unlocked', 'arrayfunnel'),
                'freeShippingPending' => __('Add more to unlock FREE shipping', 'arrayfunnel'),
                'leftLabel' => __('left', 'arrayfunnel'),
                'couponApplied' => __('Coupon applied!', 'arrayfunnel'),
                'couponError' => __('Invalid coupon code.', 'arrayfunnel'),
            ],
        ]);
    }

    private function enqueueCheckout(): void
    {
        $asset = $this->assetMetadata('frontend/checkout.asset.php');

        wp_enqueue_script(
            'arrayfunnel-checkout',
            (string) Config::get('plugin.public_url') . 'build/frontend/checkout.js',
            $asset['dependencies'],
            $asset['version'],
            true
        );

        wp_localize_script('arrayfunnel-checkout', 'arrayfunnelCheckout', [
            'ajaxUrl' => admin_url('admin-ajax.php'),
            'nonce' => wp_create_nonce('arrayfunnel_checkout_nonce'),
            'countdownMins' => (int) get_option('arrayfunnel_checkout_countdown_mins', 15),
            // This bundle also owns countdown and cart capture, which remain available
            // when the order-bump module is disabled.
            'orderBumpsEnabled' => \ArrayFunnel\Features\OrderBumps\Services\OrderBump::isEnabled(),
        ]);
    }

    /**
     * Read the dependency and version metadata generated for a built asset.
     *
     * @param string $relativePath Path to the metadata file, relative to the build directory.
     *
     * @return array{dependencies: string[], version: string}
     */
    private function assetMetadata(string $relativePath): array
    {
        $metadataFile = (string) Config::get('plugin.public_path') . 'build/' . $relativePath;
        $metadata = is_readable($metadataFile) ? require $metadataFile : null;

        if (!is_array($metadata)) {
            return ['dependencies' => [], 'version' => ARRAYFUNNEL_VERSION];
        }

        return [
            'dependencies' => isset($metadata['dependencies']) && is_array($metadata['dependencies'])
                ? $metadata['dependencies']
                : [],
            'version' => empty($metadata['version'])
                ? ARRAYFUNNEL_VERSION
                : (string) $metadata['version'],
        ];
    }
}