<?php
/**
 * NOTICE OF LICENSE
 *
 * This file is licenced under the Software License Agreement.
 * With the purchase or the installation of the software in your application
 * you accept the licence agreement.
 *
 * You must not modify, adapt or create derivative works of this source code
 *
 * @author    Musaffar Patel
 * @copyright 2016-2020 Musaffar Patel
 * @license   LICENSE.txt
 */

class DDWConfigDeliveryManagerController extends DDWControllerCore
{
    /** @var string  */
    private $route = 'ddwconfigdeliverymanagercontroller';

    protected $sibling;

    public function __construct(&$sibling = null)
    {
        parent::__construct($sibling);
        if ($sibling !== null) {
            $this->sibling = &$sibling;
        }
    }

    /**
     * render the main screen
     * @return mixed
     */
    private function renderMain()
    {
        Context::getContext()->smarty->assign(array(
            'module_config_url' => $this->module_config_url,
        ));
        return $this->sibling->display($this->sibling->module_file, 'views/templates/admin/config/deliverymanager/main.tpl');
    }

    private function renderDayView()
    {
        $max = 20;
        $date_start = Tools::getValue('date_start');
        $date_end = Tools::getValue('date_end');

        if (empty($date_start)) {
            $date_start = date('Y-m-d');
        }

        if (empty($date_end)) {
            error_log('empty');
            $date_end = strtotime("+" . $max . " days", strtotime($date_start));
            $date_end = date("Y-m-d", $date_end);
        }

        $dates = array();
        $dates_array = array();

        for ($i=0; $i <= 100; $i++) {
            $loop_date = date('Y-m-d', strtotime($date_start . "+$i days"));
            $dates_array[] = $loop_date;
            if ($loop_date >= $date_end) {
                break;
            }
        }

        foreach ($dates_array as $date) {
            $dates[] = array(
                'date' => $date,
                'day' => date('d', strtotime($date)),
                'weekday' => DDWDateTimeHelper::getWeekdayTranslatedByIndex(date('w', strtotime($date)), true, $this->sibling),
                'month' => DDWDateTimeHelper::getMonthNameTranslatedByIndex(date('m', strtotime($date)), true, $this->sibling)
            );
        }

        Context::getContext()->smarty->assign(array(
            'date_start' => $date_start,
            'date_end' => $date_end,
            'dates' => $dates
        ));
        return $this->sibling->display($this->sibling->module_file, 'views/templates/admin/config/deliverymanager/dayview.tpl');
    }

    /**
     * render the delivery timeline for a date
     * @return string
     */
    private function renderDeliveryTimeline()
    {
        $date = Tools::getValue('date');
        $deliveries = DDWDeliveryManagerHelper::getDeliveryTimeline($date);
        Context::getContext()->smarty->assign(array(
            'deliveries_timeline' => $deliveries['timeline'],
            'deliveries_allday' => $deliveries['allday']
        ));
        return $this->sibling->display($this->sibling->module_file, 'views/templates/admin/config/deliverymanager/timeline.tpl');
    }

    /**
     * render week view
     */
    private function renderWeekView()
    {
        $date = Tools::getValue('date');
        if (Tools::getValue('type') == 'week') {
            $direction = Tools::getValue('direction');
            $year = date('Y', strtotime($date));
            $week = Tools::getValue('week');
            $weeks_in_year = DDWDateTimeHelper::getNumberOfWeeksInYear($year);

            if ($direction == 'up' && $week < $weeks_in_year) {
                $week ++;
            } elseif ($direction == 'up' && $week == $weeks_in_year) {
                $week = 1;
                $year ++;
            }

            if ($direction == 'down' && $week > 1) {
                $week --;
            } elseif ($direction == 'down' && $week = 1) {
                $year--;
                $week = DDWDateTimeHelper::getNumberOfWeeksInYear($year);
            }
            $first_day_of_week = DDWDateTimeHelper::getStartDateByWeekNumber($week, $year);
            $date = $first_day_of_week;
        } else {
            $first_day_of_week = DDWDateTimeHelper::getFirstDayOfWeekDate($date);
        }

        $id_shop = (int)Context::getContext()->shop->id;
        $weekdays = array();
        $i = 0;

        for ($i=0; $i<=6; $i++) {
            $loop_date = date('Y-m-d', strtotime($first_day_of_week . "+$i days"));
            $day_of_week = date('w', strtotime($loop_date));
            $month = date('m', strtotime($loop_date));

            $weekdays[$loop_date] = array(
                'weekday' => DDWDateTimeHelper::getWeekdayTranslatedByIndex($day_of_week, false, $this->sibling),
                'day' => date('d', strtotime($loop_date)),
                'month' => DDWDateTimeHelper::getMonthNameTranslatedByIndex($month, false, $this->sibling),
                'year' => date('Y', strtotime($loop_date)),
                'date' => $loop_date,
                'orders' => array()
            );
        }

        if (empty($weekdays)) {
            return array();
        }

        $date_start = reset($weekdays)['date'];
        $date_end = end($weekdays)['date'];
        $orders = DDWOrderHelper::getOrdersInDateRange($date_start, $date_end, true, $id_shop);

        foreach ($orders as $order) {
            $ddw_order_date = $order['ddw_order_date'];
            $ddw_order_date = date('Y-m-d', strtotime($ddw_order_date));
            $order_state = new OrderState($order['current_state']);
            if (isset($weekdays[$ddw_order_date])) {
                $weekdays[$ddw_order_date]['orders'][] = array(
                    'id_order' => $order['id_order'],
                    'reference' => $order['reference'],
                    'shipped' => $order_state->shipped
                );
            }
        }

        foreach ($weekdays as &$weekday) {
            if (count($weekday['orders']) > 0) {
                $all_shipped = true;
                foreach ($weekday['orders'] as $order) {
                    if ($order['shipped'] == 0) {
                        $all_shipped = false;
                    }
                }
                if ($all_shipped) {
                    $weekday['status_class'] = 'status-deliveries-completed';
                } else {
                    $weekday['status_class'] = 'status-deliveries-pending';
                }
            } else {
                $weekday['status_class'] = 'status-deliveries-empty';
            }
        }

        Context::getContext()->smarty->assign(array(
            'date' => $date,
            'week_number' => date("W", strtotime($date)),
            'weekdays' => $weekdays
        ));
        return $this->sibling->display($this->sibling->module_file, 'views/templates/admin/config/deliverymanager/weekview.tpl');
    }

    /**
     * render the order / delivery details
     */
    private function renderOrder()
    {
        $id_order = (int)Tools::getValue('id_order');
        $id_lang = Context::getContext()->language->id;
        $order_details = DDWDeliveryManagerHelper::getOrderDeliveryInformation($id_order, $id_lang);
        Context::getContext()->smarty->assign(array(
            'order_details' => $order_details
        ));
        return $this->sibling->display($this->sibling->module_file, 'views/templates/admin/config/deliverymanager/order.tpl');
    }

    public function route()
    {
        switch (Tools::getValue('action')) {
            case 'renderdayview':
                die($this->renderDayView());

            case 'renderweekview':
                die($this->renderWeekView());

            case 'renderdeliverytimeline':
                die($this->renderDeliveryTimeline());

            case 'renderorder':
                die($this->renderOrder());

            default:
                return $this->renderMain();
        }
    }
}