<?php

class Wiaas_Admin_Orders {

    public static function init() {

        add_filter( 'manage_edit-shop_order_columns', array(__CLASS__, 'add_additional_columns_to_orders_screen') );

        add_action( 'manage_shop_order_posts_custom_column', array(__CLASS__, 'add_custom_columns_content') );

        add_filter( 'woocommerce_admin_order_preview_get_order_details', array(__CLASS__, 'add_custom_data_to_order_preview') );

        add_filter( 'woocommerce_admin_order_preview_line_items', array(__CLASS__, 'remove_simple_items_from_preview'));


        add_action('init', array(__CLASS__, 'init_admin'));

    }

    public static function init_admin(){
        $current_user = wp_get_current_user();
        $role = $current_user->roles[0];
        $is_admin = $role === 'administrator';

        if ($is_admin){
            add_filter( 'woocommerce_admin_order_preview_line_item_columns', array(__CLASS__, 'customize_order_preview_columns'));

            add_filter( 'woocommerce_admin_order_preview_line_item_column_payment_type', array(__CLASS__, 'fill_in_payment_type'), 10, 2);
            add_filter( 'woocommerce_admin_order_preview_line_item_column_services_extra', array(__CLASS__, 'fill_in_services_extra'), 10, 4);
            add_filter( 'woocommerce_admin_order_preview_line_item_column_services_contract_period', array(__CLASS__, 'fill_in_services_contract_period'), 10, 2);
            add_filter( 'woocommerce_admin_order_preview_line_item_column_max_contract_period', array(__CLASS__, 'fill_in_max_contract_period'), 10, 2);
            add_filter( 'woocommerce_admin_order_preview_line_item_column_period_unit', array(__CLASS__, 'fill_in_period_unit'), 10, 2);
            add_filter( 'woocommerce_admin_order_preview_line_item_column_recurrent_extra', array(__CLASS__, 'fill_in_recurrent_extra'), 10, 4);
            add_filter( 'woocommerce_admin_order_preview_line_item_column_pay_period', array(__CLASS__, 'fill_in_pay_period'), 10, 2);

        }
    }

    public static function add_additional_columns_to_orders_screen( $columns ){

        $new_columns = array();

        $new_columns['reference'] = 'Location';
        $new_columns['commercial_lead'] = 'Commercial lead';
        $new_columns['customer'] = 'Customer';

        $insertAfterColumn = 1;

        return array_merge(array_slice($columns,0,$insertAfterColumn+1), $new_columns, array_slice($columns,$insertAfterColumn+1));

    }

    public static function add_custom_columns_content( $column ){

        global $post;
        $column_content = '';

        switch ($column){
            case 'reference':
                $column_content = Wiaas_Order::get_order_reference($post->ID);
                break;

            case 'commercial_lead':
                $column_content = Wiaas_Order::get_order_commercial_lead_name($post->ID);
                break;

            case 'customer':
                $column_content = Wiaas_Order::get_order_customer_full_name($post->ID);
                break;
        }

        echo $column_content;
    }

    public static function add_custom_data_to_order_preview ($order){

        $order['commercial_lead_name'] = Wiaas_Order::get_order_commercial_lead_name( $order['data']['id'] );;

        return $order;
    }

    public static function remove_simple_items_from_preview( $order_items){

        $items =  array();

        foreach ($order_items as $order_item) {
            if (isset($order_item['wiaas_standard_package'])) {
                $items[] = $order_item;
            }
        }

        return $items;
    }

    public static function customize_order_preview_columns( $columns ){

        unset($columns['total']);

        $columns['payment_type'] = __( 'Payment type', 'wiaas' );
        $columns['services_extra'] = __( 'Services extra', 'wiaas');
        $columns['recurrent_extra'] = __( 'Recurrent extra', 'wiaas');
        $columns['services_contract_period'] = __( 'Contract period', 'wiaas');
        $columns['max_contract_period'] = __( 'Maximum contract period', 'wiaas');
        $columns['pay_period'] = __( 'Pay period', 'wiaas');
        $columns['period_unit'] = __( 'Period unit', 'wiaas');

        $columns['total'] = __( 'Total', 'woocommerce');

        return $columns;

    }

    public static function fill_in_payment_type ( $empty , $item){
        return $item->get_meta('_wiaas_payment_type');
    }

    public static function fill_in_services_extra ($empty, $item, $item_id, $order){
        return wc_price( $item->get_meta('_wiaas_services_extra'),  array( 'currency' => $order->get_currency() ) );
    }

    public static function fill_in_services_contract_period($empty, $item){
        return $item->get_meta('_wiaas_service_contract_period');
    }

    public static function fill_in_max_contract_period($empty, $item){
        return $item->get_meta('_wiaas_max_contract_period');
    }

    public static function fill_in_period_unit ($empty, $item){
        return $item->get_meta('_wiaas_period_unit');
    }

    public static function fill_in_recurrent_extra($empty, $item, $item_id, $order){
        return wc_price( $item->get_meta('_wiaas_recurrent_extra'),  array( 'currency' => $order->get_currency() ) );
    }

    public static function fill_in_pay_period($empty, $item){
        return $item->get_meta('_wiaas_pay_period');
    }


}

Wiaas_Admin_Orders::init();