<?php

namespace App\Models;

use Antadis\API\Front\Models\Sale as BaseSale;
use App\Classes\ImageTrait;

class Sale extends BaseSale {
    use ImageTrait;

    /**
     * {@inheritdoc}
     */
    public function toArray() {
        global $cookie;
        $sale = parent::toArray();
        $is_active = strtotime($this->date_start) < strtotime(date('Y-m-d 07:00:00'));
        $sale['img'] = $this->getSaleImage($this->id, $is_active);
        $sale['reduction'] = $this->extraFields['reduction'] ? $this->extraFields['reduction'] : '0';
        $sale['tags'] = $this->extraFields['tags'] ? $this->extraFields['tags'] : [];
        return $sale;
    }

    /**
     * Returns the associtated tags for $ids_sales
     *
     * @param array $ids_sales List of sale's id
     *
     * @return array array(
     *   id_sale => array(
     *      id_tag,
     *      id_tag,
     *      ...
     *   )
     * )
     */
    static public function getTagsBySaleIds(array $ids_sales) {
        $sales_tags = array();

        if (!empty($ids_sales)) {
            $tags = \Db::getInstance()->executeS('
                SELECT p.`id_sale`, pcf.`id_parent` as `id_tag`
                FROM ps_privatesale p
                LEFT JOIN ps_privatesale_category pc ON (pc.`id_sale` = p.`id_sale`)
                LEFT JOIN ps_category_family_association pcfa ON (pc.`id_category` = pcfa.`id_category`)
                LEFT JOIN ps_category_family pcf ON (pcfa.`id_category_family` = pcf.`id_category_family`)
                WHERE p.`id_sale` IN (' . implode(',', $ids_sales) . ')
                AND pcf.`id_parent` IS NOT NULL
                GROUP BY p.`id_sale`, pcf.`id_parent`
            ');

            foreach ($tags as $tag) {
                $sales_tags[(int)$tag['id_sale']][] = (int)$tag['id_tag'];
            }
        }
        return $sales_tags;
    }

    /**
     * Returns the associtated reduction for $ids_sales
     *
     * @param array $ids_sales List of sale's id
     *
     * @return array array(
     *   id_sale => reduction
     * )
     */
    static public function getReductionBySaleIds(array $ids_sales) {
        global $cookie;

        $sales_reduction = array();
        if (!empty($ids_sales)) {
            $reductions = \Db::getInstance()->executeS('
                SELECT id_sale, value FROM ' . _DB_PREFIX_ . 'privatesale_extrafield_sale
                WHERE `id_field` = 2
                AND `id_sale` IN (' . implode(',', $ids_sales) . ')
                AND `id_lang` = ' . (int)$cookie->id_lang . '
            ');
            foreach ($reductions as $reduction) {
                $sales_reduction[(int)$reduction['id_sale']] = $reduction['value'];
            }

        }
        return $sales_reduction;
    }

    /**
     * @inheritdoc
     *
     * Adding the reduction extraField
     * Adding the tags extraField
     */
    static public function apiGetSales($future = false) {
        $sales = parent::apiGetSales($future);
        $ids_sales = array();
        foreach ($sales as $sale) {
            $ids_sales[] = $sale->id;
        }

        $reductions = static::getReductionBySaleIds($ids_sales);
        foreach ($sales as $sale) {
            $value = isset($reductions[(int)$sale->id]) ? $reductions[(int)$sale->id] : null;
            $sale = $sale->populateRow('reduction', $value, '0');
        }

        $sales_tags = static::getTagsBySaleIds($ids_sales);
        foreach ($sales as $sale) {
            $value = isset($sales_tags[(int)$sale->id]) ? $sales_tags[(int)$sale->id] : null;
            $sale = $sale->populateRow('tags', $value, array());
        }
        return $sales;
    }

    /**
     * Populate the current Sale model field ($name) with $value
     * If $value is null it will populate the field with the given $defaultValue
     *
     * @param string $name          The field name to populate
     * @param any    $value         The value to populate with
     * @param any    $defaultValue  The defaultValue to apply
     *
     * @return Sale The current sale model with the populated field.
     */
    protected function populateRow($name, $value, $defaultValue = null) {
        $value = $value !== null ? $value : $defaultValue;
        return $this->populate(array(
            $name => $value
        ), $this->id);
    }
}