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/**
 * Custom price calculation for WooCommerce Bookings and Appointments plugin.
 */

// Hook into the 'woocommerce_before_calculate_totals' action
add_action('woocommerce_before_calculate_totals', 'custom_booking_price_calculation', 10, 1);
function custom_booking_price_calculation($cart) {
    if (is_admin() && !defined('DOING_AJAX'))
        return;

    // Get current time
    $current_time = current_time('timestamp');

    foreach ($cart->get_cart() as $cart_item_key => $cart_item) {
        $product = $cart_item['data'];

        if ($product->is_type('booking')) {
            $booking_data = $product->get_data();
            $start_time = strtotime($booking_data['date_from']);
            $end_time = strtotime($booking_data['date_to']);
            $selected_blocks = ceil(($end_time - $start_time) / 1800); // 1800 seconds = 30 minutes

            // Condition #1: Start time is between 10:00 PM and 10:00 AM
            $start_hour = date('H', $start_time);
            if ($start_hour >= 22 || $start_hour <= 10) {
                // Condition #2: Minimum order blocks greater than or equal to 12
                if ($selected_blocks >= 12) {
                    // Condition #3: Calculate price for maximum 12 blocks based on rules
                    $base_cost = 300; // Base cost from product settings
                    $cost_per_block = 50; // Cost per block from product settings

                    $max_blocks = min($selected_blocks, 12);
                    $price = $base_cost + ($cost_per_block * $max_blocks);

                    // Set new price for the booking
                    $booking_data['cost'] = $price;
                    $booking = new WC_Booking($booking_data['booking_id']);
                    $booking->set_cost($price);

                    // Update booking data
                    $product->set_props($booking_data);
                    $product->save();

                    // Update cart item data
                    $cart_item['data'] = $product;
                    $cart->cart_contents[$cart_item_key] = $cart_item;

                    // Update cart totals
                    $cart->set_cart_contents_total();
                    $cart->set_cart_contents_tax();
                    $cart->set_total($cart->subtotal + $cart->tax_total, $cart->shipping_total);
                }
            }
        }
    }
}

// Hook into the 'update_post_meta' action
add_action('update_post_meta', 'custom_booking_price_update_post_meta', 10, 3);
function custom_booking_price_update_post_meta($meta_id, $object_id, $meta_key) {
    if ($meta_key === '_cost') {
        $booking = new WC_Booking($object_id);
        $booking_data = $booking->get_data();
        $booking_cost = $booking_data['cost'];

        // Update booking cost if necessary
        if ($booking_cost) {
            update_post_meta($object_id, '_cost', $booking_cost);
        }
    }
}

// Hook into the 'new_booking_cost' filter
add_filter('new_booking_cost', 'custom_booking_price_new_booking_cost', 10, 4);
function custom_booking_price_new_booking_cost($cost, $resource_id, $start, $end) {
    // Check if the calculation has already been performed
    if (did_action('woocommerce_before_calculate_totals') >= 2) {
        return $cost;
    }

    // Calculate the number of blocks
    $selected_blocks = ceil(($end - $start) / 1800);

    // Condition #1: Start time is between 10:00 PM and 10:00 AM
    $start_hour = date('H', $start);
    $start_minute = date('i', $start);
    if (($start_hour == 22 && $start_minute >= 0) || ($start_hour >= 23 || $start_hour <= 9)) {
        // Condition #2: Minimum order blocks greater than or equal to 12
        if ($selected_blocks >= 12) {
            // Condition #3: Calculate price for maximum 12 blocks based on rules
            $base_cost = 300; // Base cost from product settings
            $cost_per_block = 50; // Cost per block from product settings

            $max_blocks = min($selected_blocks, 12);
            $price = $base_cost + ($cost_per_block * $max_blocks);

            return $price;
        }
    }

    return $cost;
}




// Function to modify the base cost of a bookable product
function modify_baseprice($base_cost, $product_id, $booking_id) {
    $product = wc_get_product($product_id);

    if ($product->is_type('booking')) {
        $booking_base_cost = $product->get_meta('_cost');

        if ($booking_base_cost) {
            $booking_base_cost = max(0, (float)$booking_base_cost);
            $product->set_base_cost($booking_base_cost);
            $product->save();
            return $booking_base_cost;
        }
    }

    return $base_cost;
}


// Hook into the 'woocommerce_bookings_after_booking_base_cost' action
add_action('woocommerce_bookings_after_booking_base_cost', 'modify_baseprice', 10, 3);




// Hook into the 'woocommerce_process_product_meta_booking' action
add_action('woocommerce_process_product_meta_booking', 'modify_bookable_product_base_cost', 100, 1);
function modify_bookable_product_base_cost($product_id) {
    if (isset($_POST['_cost'])) {
        $booking_base_cost = max(0, (float)$_POST['_cost']);
        update_post_meta($product_id, '_base_cost', $booking_base_cost);
    }
}