<?php

use WPO\WC\PostNL\Compatibility\WC_Core as WCX;
use WPO\WC\PostNL\Compatibility\Order as WCX_Order;

if ( ! defined('ABSPATH')) exit; // Exit if accessed directly

if ( ! class_exists('WooCommerce_PostNL_Frontend')) :

/**
     * Frontend views
     */
class WooCommerce_PostNL_Frontend {

    const RADIO_CHECKED = 'on';
    private $frontend_settings;

    function __construct() {
        // Customer Emails
        if (isset(WooCommerce_PostNL()->general_settings['email_tracktrace'])) {
            add_action('woocommerce_email_before_order_table', array($this, 'track_trace_email'), 10, 2);
        }

        // Track & Trace in my account
        if (isset(WooCommerce_PostNL()->general_settings['myaccount_tracktrace'])) {
            add_filter('woocommerce_my_account_my_orders_actions', array($this, 'track_trace_myaccount'), 10, 2);
        }

        // pickup address in email
        // woocommerce_email_customer_details:
        // @10 = templates/email-customer-details.php
        // @20 = templates/email-addresses.php
        add_action('woocommerce_email_customer_details', array($this, 'email_pickup_html'), 19, 3);

        // pickup address on thank you page
        add_action('woocommerce_thankyou', array($this, 'thankyou_pickup_html'), 10, 1);

        // WooCommerce PDF Invoices & Packing Slips Premium Templates compatibility
        add_filter('wpo_wcpdf_templates_replace_postnl_delivery_date', array($this, 'wpo_wcpdf_delivery_date'), 10, 2);
        add_filter('wpo_wcpdf_templates_replace_postnl_tracktrace', array($this, 'wpo_wcpdf_tracktrace'), 10, 2);
        add_filter('wpo_wcpdf_templates_replace_postnl_tracktrace_link', array($this, 'wpo_wcpdf_tracktrace_link'), 10, 2);
        add_filter('wpo_wcpdf_templates_replace_postnl_delivery_options', array($this, 'wpo_wcpdf_delivery_options'), 10, 2);

        // Delivery options
        if (isset(WooCommerce_PostNL()->checkout_settings['postnl_checkout'])) {
            // Change the position of the checkout
            if (isset(WooCommerce_PostNL()->checkout_settings['checkout_position'])) {
                $checkout_place = WooCommerce_PostNL()->checkout_settings['checkout_position'];
            } else {
                $checkout_place = 'woocommerce_after_checkout_billing_form';
            }

            add_action('wp_enqueue_scripts', array($this, 'inject_delivery_options_variables'), 9999);
            add_action(apply_filters('wc_postnl_delivery_options_location', $checkout_place), array($this, 'output_delivery_options'), 10);
        }

        // Save delivery options data
        add_action('woocommerce_checkout_update_order_meta', array($this, 'save_delivery_options'), 10, 2);

        // Delivery options fees
        add_action('woocommerce_cart_calculate_fees', array($this, 'get_delivery_options_fees'));

        // Output most expensive shipping class in frontend data
        add_action('woocommerce_checkout_after_order_review', array($this, 'output_shipping_data'));
        add_action('woocommerce_update_order_review_fragments', array($this, 'order_review_fragments'));

        $this->frontend_settings = new WooCommerce_PostNL_Frontend_Settings();
    }

    public function track_trace_email($order, $sent_to_admin) {
        if ($sent_to_admin) return;

        if (WCX_Order::get_status($order) != 'completed') return;

        $order_id = WCX_Order::get_id($order);

        $tracktrace_links = WooCommerce_PostNL()->admin->get_tracktrace_links($order_id);
        if ( ! empty($tracktrace_links)) {
            $email_text = __(
                'You can track your order with the following PostNL Track & Trace code:',
                'woocommerce-postnl'
            );
            $email_text = apply_filters('wcpostnl_email_text', $email_text, $order);
            ?>
            <p><?php echo $email_text . ' ' . implode(', ', $tracktrace_links); ?></p>

            <?php
        }
    }

    public function email_pickup_html($order, $sent_to_admin = false, $plain_text = false) {
        WooCommerce_PostNL()->admin->show_order_delivery_options($order);
    }

    public function thankyou_pickup_html($order_id) {
        $order = wc_get_order($order_id);
        WooCommerce_PostNL()->admin->show_order_delivery_options($order);
    }

    public function track_trace_myaccount($actions, $order) {
        $order_id = WCX_Order::get_id($order);
        if ($consignments = WooCommerce_PostNL()->admin->get_tracktrace_shipments($order_id)) {
            foreach ( $consignments as $key => $consignment ) {
                $actions['postnl_tracktrace_' . $consignment['tracktrace']] = array(
                    'url' => $consignment['tracktrace_url'],
                    'name' => apply_filters(
                        'wcpostnl_myaccount_tracktrace_button',
                        __('Track & Trace', 'wooocommerce-postnl')
                    )
                );
            }
        }

        return $actions;
    }

    public function wpo_wcpdf_delivery_options($replacement, $order) {
        ob_start();
        WooCommerce_PostNL()->admin->show_order_delivery_options($order);

        return ob_get_clean();
    }

    public function wpo_wcpdf_delivery_date($replacement, $order) {
        if ($delivery_date = WooCommerce_PostNL()->export->get_delivery_date($order)) {
            $formatted_date = date_i18n(
                apply_filters('wcpostnl_delivery_date_format', wc_date_format()),
                strtotime($delivery_date)
            );

            return $formatted_date;
        }

        return $replacement;
    }

    public function wpo_wcpdf_tracktrace($replacement, $order) {
        if ($shipments = WooCommerce_PostNL()->admin->get_tracktrace_shipments(WCX_Order::get_id($order))) {
            $tracktrace = array();
            foreach ( $shipments as $shipment ) {
                if ( ! empty($shipment['tracktrace'])) {
                    $tracktrace[] = $shipment['tracktrace'];
                }
            }
            $replacement = implode(', ', $tracktrace);
        }

        return $replacement;
    }

    public function wpo_wcpdf_tracktrace_link($replacement, $order) {
        $tracktrace_links = WooCommerce_PostNL()->admin->get_tracktrace_links(WCX_Order::get_id($order));
        if ( ! empty($tracktrace_links)) {
            $replacement = implode(', ', $tracktrace_links);
        }

        return $replacement;
    }

    /**
     * Output some stuff.
     * Return to hide delivery options
     */
    public function output_delivery_options() {
        do_action('woocommerce_postnl_before_delivery_options');
        require_once(WooCommerce_PostNL()->plugin_path() . '/templates/wcmp-delivery-options-template.php');
        do_action('woocommerce_postnl_after_delivery_options');
    }

    /**
     * Output inline script with the variables needed
     */
    public function inject_delivery_options_variables() {
        wp_localize_script(
            'wc-postnl',
            'wcmp_delivery_options',
            array(
                'shipping_methods' => $this->get_delivery_options_shipping_methods(),
                'always_display' => $this->postnl_delivery_options_always_display()
            )
        );

        wp_localize_script(
            'wc-postnl',
            'wcmp_config',
            $this->get_checkout_config()
        );
    }

    public function output_shipping_data() {
        $shipping_data = $this->get_shipping_data();
        printf('<div class="postnl-shipping-data">%s</div>', $shipping_data);
    }

    public function get_shipping_data() {
        if ($shipping_class = $this->get_cart_shipping_class()) {
            $shipping_data = sprintf(
                '<input type="hidden" value="%s" id="postnl_highest_shipping_class" name="postnl_highest_shipping_class">',
                $shipping_class
            );

            return $shipping_data;
        }

        return false;
    }

    /**
     * Save delivery options to order when used
     *
     * @param  int   $order_id
     * @param  array $posted
     *
     * @return void
     */
    public function save_delivery_options($order_id, $posted) {
        $order = WCX::get_order($order_id);

        if ($_POST['postnl_highest_shipping_class'] != null) {
            WCX_Order::update_meta_data(
                $order,
                '_postnl_highest_shipping_class',
                $_POST['postnl_highest_shipping_class']
            );
        } else {
            if (isset($_POST['shipping_method'])) {
                WCX_Order::update_meta_data(
                    $order,
                    '_postnl_highest_shipping_class',
                    $_POST['shipping_method'][0]
                );
            }
        }

        if (isset($_POST['postnl-signature-selector'])) {
            WCX_Order::update_meta_data($order, '_postnl_signature', self::RADIO_CHECKED);
        }

        if (isset($_POST['method-postnl-only-recipient-selector'])) {
            WCX_Order::update_meta_data($order, '_postnl_only_recipient', self::RADIO_CHECKED);
        }

        if ( ! empty($_POST['post-post-nl-data'])) {
            $delivery_options = json_decode(stripslashes($_POST['post-post-nl-data']), true);
            WCX_Order::update_meta_data($order, '_postnl_delivery_options', $delivery_options);
        }
    }

    /**
     * Get delivery fee in your order overview, at the front of the website
     *
     * @param $cart
     */
    public function get_delivery_options_fees() {
        if ( ! $_POST || (is_admin() && ! is_ajax())) {
            return;
        }

        if (isset($_POST['post_data'])) {
            // non-default post data for AJAX calls
            parse_str($_POST['post_data'], $post_data);
        } else {
            // checkout finalization
            $post_data = $_POST;
        }

        /*  check for delivery options & add fees*/
        if ( ! empty($post_data['post-post-nl-data'])) {
            $delivery_options = json_decode(stripslashes($post_data['post-post-nl-data']), true);

            /*  Fees for delivery time options*/
            if (isset($delivery_options['time'])) {
                $time = array_shift($delivery_options['time']); // take first element in time array
                if (isset($time['price_comment'])) {
                    switch($time['price_comment']) {
                        case 'morning':
                            if ( ! empty(WooCommerce_PostNL()->checkout_settings['morning_fee'])) {
                                $fee = WooCommerce_PostNL()->checkout_settings['morning_fee'];
                                $fee_name = __('Morning delivery', 'woocommerce-postnl');

                                $this->add_fee_signature($delivery_options, 'Signature on delivery');
                            }
                        break;
                        case 'standard':

                            $this->add_fee_signature($delivery_options, 'Signature on delivery');
                            $this->add_fee_only_recipient($delivery_options, 'Home address only');

                        break;
                        case 'avond':
                            if ( ! empty(WooCommerce_PostNL()->checkout_settings['evening_fee'])) {
                                $fee = WooCommerce_PostNL()->checkout_settings['evening_fee'];
                                $fee_name = __('Evening delivery', 'woocommerce-postnl');

                                $this->add_fee_signature($delivery_options, 'Signature on delivery');
                            }
                        break;
                    }

                    if ( ! empty($fee)) {
                        $this->add_fee($fee_name, $fee);
                    }
                }
            }

            /* Fees for pickup & pickup express */
            if (isset($delivery_options['price_comment'])) {
                switch($delivery_options['price_comment']) {
                    case 'retail':
                        if ( ! empty(WooCommerce_PostNL()->checkout_settings['pickup_fee'])) {
                            $fee = WooCommerce_PostNL()->checkout_settings['pickup_fee'];
                            $fee_name = __('PostNL pickup', 'woocommerce-postnl');
                        }
                    break;
                    case 'retailexpress':
                        if ( ! empty(WooCommerce_PostNL()->checkout_settings['pickup_express_fee'])) {
                            $fee = WooCommerce_PostNL()->checkout_settings['pickup_express_fee'];
                            $fee_name = __('PostNL Pickup Express', 'woocommerce-postnl');
                        }
                    break;
                }

                if ( ! empty($fee)) {
                    $this->add_fee($fee_name, $fee);
                }
            }
        }
    }

    /**
     * Get shipping tax class
     * adapted from WC_Tax::get_shipping_tax_rates
     * assumes per order shipping (per item shipping not supported for postnl yet)
     * @return string tax class
     */
    public function get_shipping_tax_class() {
        $shipping_tax_class = get_option('woocommerce_shipping_tax_class');
        // WC3.0+ sets 'inherit' for taxes based on items, empty for 'standard'
        if (version_compare(WOOCOMMERCE_VERSION, '3.0', '>=') && 'inherit' !== $shipping_tax_class) {
            $shipping_tax_class = '' === $shipping_tax_class ? 'standard' : $shipping_tax_class;

            return $shipping_tax_class;
        } else if ( ! empty($shipping_tax_class) && 'inherit' !== $shipping_tax_class) {
            return $shipping_tax_class;
        }

        if ($shipping_tax_class == 'inherit') {
            $shipping_tax_class = '';
        }

        // See if we have an explicitly set shipping tax class
        if ($shipping_tax_class) {
            $tax_class = 'standard' === $shipping_tax_class ? '' : $shipping_tax_class;
        }

        $location = WC_Tax::get_tax_location('');

        if (sizeof($location) === 4) {
            list($country, $state, $postcode, $city) = $location;

            // This will be per order shipping - loop through the order and find the highest tax class rate
            $cart_tax_classes = WC()->cart->get_cart_item_tax_classes();
            // If multiple classes are found, use the first one. Don't bother with standard rate, we can get that later.
            if (sizeof($cart_tax_classes) > 1 && ! in_array('', $cart_tax_classes)) {
                $tax_classes = WC_Tax::get_tax_classes();

                foreach ( $tax_classes as $tax_class ) {
                    $tax_class = sanitize_title($tax_class);
                    if (in_array($tax_class, $cart_tax_classes)) {
                        // correct $tax_class is now set
                        break;
                    }
                }
                // If a single tax class is found, use it
            } else {
                if (sizeof($cart_tax_classes) == 1) {
                    $tax_class = array_pop($cart_tax_classes);
                }
            }

            // no rate = standard rate
            if (empty($tax_class)) {
                $tax_class = 'standard';
            }
        }

        return $tax_class;
    }

    /**
     * Get the most expensive shipping class in the cart
     * Requires WC2.4+
     * Only supports 1 package, takes the first
     * @return [type] [description]
     */
    public function get_cart_shipping_class() {
        if (version_compare(WOOCOMMERCE_VERSION, '2.4', '<')) {
            return false;
        }

        $chosen_method = isset(WC()->session->chosen_shipping_methods[0]) ? WC()->session->chosen_shipping_methods[0] : '';

        // get package
        $packages = WC()->shipping->get_packages();
        $package = current($packages);

        $shipping_method = WooCommerce_PostNL()->export->get_shipping_method($chosen_method);
        if (empty($shipping_method)) {
            return false;
        }

        // get shipping classes from package
        $found_shipping_classes = $shipping_method->find_shipping_classes($package);
        // return print_r( $found_shipping_classes, true );

        $highest_class = WooCommerce_PostNL()->export->get_shipping_class(
            $shipping_method,
            $found_shipping_classes
        );

        return $highest_class;
    }

    public function order_review_fragments($fragments) {
        $postnl_shipping_data = $this->get_shipping_data();
        $fragments['.postnl-shipping-data'] = $postnl_shipping_data;

        return $fragments;
    }

    // converts price string to float value, assuming no thousand-separators used
    public function normalize_price($price) {
        $price = str_replace(',', '.', $price);
        $price = floatval($price);

        return $price;
    }

    private function get_checkout_config() {
        $PostNLConfig = [

            "address" => [
                "cc" => '',
                "postalCode" => '',
                "number" => '',
                "city" => ''
            ],
            "txtWeekDays" => [
                'Zondag',
                'Maandag',
                'Dinsdag',
                'Woensdag',
                'Donderdag',
                'Vrijdag',
                'Zaterdag'
            ],
            "config" => [
                "apiBaseUrl" => WooCommerce_PostNL_Frontend_Settings::BASE_URL,
                "carrier" => "1",

                "priceMorningDelivery" => $this->frontend_settings->get_price('morning'),
                "priceNormalDelivery" => "",
                "priceEveningDelivery" => $this->frontend_settings->get_price('evening'),
                "priceSignature" => $this->frontend_settings->get_price('signature'),
                "priceOnlyRecipient" => $this->frontend_settings->get_price('only_recipient'),
                "pricePickup" => $this->frontend_settings->get_price('pickup'),
                "pricePickupExpress" => $this->frontend_settings->get_price('pickup_express'),

                "allowMondayDelivery" => $this->frontend_settings->is_enabled('saturday_cutoff'),
                "allowMorningDelivery" => isset(WooCommerce_PostNL()->export_defaults['age_check']) ? 0 : $this->frontend_settings->is_enabled('morning'),
                "allowEveningDelivery" => isset(WooCommerce_PostNL()->export_defaults['age_check']) ? 0 : $this->frontend_settings->is_enabled('evening'),
                "allowSignature" => isset(WooCommerce_PostNL()->export_defaults['age_check']) ? 0 : $this->frontend_settings->is_enabled('signature'),
                "allowOnlyRecipient" => isset(WooCommerce_PostNL()->export_defaults['age_check']) ? 0 : $this->frontend_settings->is_enabled('only_recipient'),
                "allowPickupPoints" => $this->frontend_settings->is_enabled('pickup'),
                "allowPickupExpress" => $this->frontend_settings->is_enabled('pickup_express'),

                "dropOffDays" => $this->frontend_settings->get_dropoff_days(),
                "saturdayCutoffTime" => $this->frontend_settings->get_saturday_cutoff_time(),
                "cutoffTime" => $this->frontend_settings->get_cutoff_time(),
                "deliverydaysWindow" => $this->frontend_settings->get_deliverydays_window(),
                "dropoffDelay" => $this->frontend_settings->get_dropoff_delay(),

            ],
            "textToTranslate" =>[
                "deliveryTitle"=> __($this->frontend_settings->get_title('at_home_delivery'), 'woocommerce-postnl'),
                "deliveryMorningTitle" => __($this->frontend_settings->get_title('morning'),'woocommerce-postnl'),
                "deliveryStandardTitle" => __($this->frontend_settings->get_title('standard'),'woocommerce-postnl'),
                "deliveryEveningTitle" => __($this->frontend_settings->get_title('evening'),'woocommerce-postnl'),
                "signatureTitle"=> __($this->frontend_settings->get_title('signature'), 'woocommerce-postnl'),
                "onlyRecipientTitle"=> __($this->frontend_settings->get_title('only_recipient'), 'woocommerce-postnl'),
                "saturdayDeliveryTitle"=> __('saturday_delivery_title', 'woocommerce-postnl'),
                "pickupTitle"=> __($this->frontend_settings->get_title('pickup'), 'woocommerce-postnl'),
                "headerDeliveryOptions" => __($this->frontend_settings->get_title('header_delivery_options'), 'woocommerce-postnl'),

                "BEdeliveryTitle" => __($this->frontend_settings->get_title('belgium_at_home_delivery'), 'woocommerce-postnl'),
                "BEdeliveryStandardTitle" => __($this->frontend_settings->get_title('belgium_standard'), 'woocommerce-postnl'),

                "addressNotFound" => __('Address details are not entered', 'woocommerce-postnl'),
                "pickUpFrom" =>__('Pick up from', 'woocommerce-postnl'),
                "openingHours" =>__('Opening hours', 'woocommerce-postnl'),
                "closed" =>__('Closed', 'woocommerce-postnl'),
                "postcode" =>__('Postcode', 'woocommerce-postnl'),
                "houseNumber" =>__('House number', 'woocommerce-postnl'),
                "city"=>__('City', 'woocommerce-postnl'),
                "retry" =>__('Retry', 'woocommerce-postnl'),
                "wrongHouseNumberPostcode" =>__('House number/postcode combination unknown', 'woocommerce-postnl'),
                "quickDelivery"=>__('Deliver as quickly as possible', 'woocommerce-postnl'),

                'sunday'=> __('Sunday', 'woocommerce-postnl'),
                'monday'=> __('Monday', 'woocommerce-postnl'),
                'tuesday'=> __('Tuesday', 'woocommerce-postnl'),
                'wednesday'=> __('Wednesday', 'woocommerce-postnl'),
                'thursday'=> __('Thursday', 'woocommerce-postnl'),
                'friday'=> __('Friday', 'woocommerce-postnl'),
                'saturday'=> __('Saturday', 'woocommerce-postnl')
            ]
        ];

        return json_encode($PostNLConfig);
        // Use cutoff_time and saturday_cutoff_time on saturdays
    }

    private function add_fee($fee_name, $fee) {
        $fee = $this->normalize_price($fee);
        // get shipping tax data
        $shipping_tax_class = $this->get_shipping_tax_class();
        if ($shipping_tax_class) {
            if ($shipping_tax_class == 'standard') {
                $shipping_tax_class = '';
            }
            WC()->cart->add_fee($fee_name, $fee, true, $shipping_tax_class);
        } else {
            WC()->cart->add_fee($fee_name, $fee);
        }
    }

    /**
     * Check witch delivery option is selected
     *
     * @param $post_data
     * @param $post_data_value
     * @param $delivery_type
     * @param $backend_setting
     * @param $delivery_title
     *
     * @return bool
     */
    private function add_fee_from_setting($post_data, $post_data_value, $delivery_type, $backend_setting, $delivery_title) {
        // Fee for "delivery" option
        if (isset($post_data[$post_data_value]) && $post_data[$post_data_value] == $delivery_type) {
            if ( ! empty(WooCommerce_PostNL()->checkout_settings[$backend_setting])) {
                $fee = WooCommerce_PostNL()->checkout_settings[$backend_setting];
                $fee_name = __($delivery_title, 'woocommerce-postnl');
                $this->add_fee($fee_name, $fee);

                return true;
            }
        }

        return false;
    }

    private function add_fee_signature($delivery_options, $delivery_title) {
        if ($delivery_options['signature'] !== 1) {
            return;
        }

        $fee = WooCommerce_PostNL()->checkout_settings['signature_fee'];

        if ( ! empty($fee)) {
            $fee_name = __($delivery_title, 'woocommerce-postnl');
            $this->add_fee($fee_name, $fee);
        }
    }

    private function add_fee_only_recipient($delivery_options, $delivery_title) {
        if ($delivery_options['only_recipient'] !== 1) {
            return;
        }

        $fee = WooCommerce_PostNL()->checkout_settings['only_recipient_fee'];

        if ( ! empty($fee)) {
            $fee_name = __($delivery_title, 'woocommerce-postnl');
            $this->add_fee($fee_name, $fee);
        }
    }

    /**
     * @return string
     */
    private function get_delivery_options_shipping_methods() {
        if (isset(
                WooCommerce_PostNL()->export_defaults['shipping_methods_package_types']
            )
            && isset(WooCommerce_PostNL()->export_defaults['shipping_methods_package_types'][WooCommerce_PostNL_Export::PACKAGE])) {
            // Shipping methods associated with parcels = enable delivery options
            $delivery_options_shipping_methods = WooCommerce_PostNL()->export_defaults['shipping_methods_package_types'][WooCommerce_PostNL_Export::PACKAGE];
        } else {
            $delivery_options_shipping_methods = array();
        }

        return json_encode($delivery_options_shipping_methods);
    }

    private function postnl_delivery_options_always_display() {
        if (isset(WooCommerce_PostNL()->checkout_settings['checkout_display'])
            && WooCommerce_PostNL()->checkout_settings['checkout_display'] == 'all_methods') {
            return true;
        }

        return false;
    }
}

endif; // class_exists

return new WooCommerce_PostNL_Frontend();