<?php

namespace addons\Store\common\services;

use addons\Store\common\models\Store;
use addons\Store\common\models\StoreOrder;
use addons\Store\common\models\StoreOrderPickup;
use Yii;

/**
 * 自提码
 * @package addons\Store\common\services
 */
class PickupService extends BaseService
{
    /**
     * 自提码前缀
     */
    const PREFIX = 'A';

    /**
     * 自提码最大数（默认位数，超过之后自动增加）
     */
    const MAX = 9999;

    /**
     * @var string
     */
    protected $stage;

    /**
     * 创建订单自提
     *
     * @param string $order_id          门店订单ID
     * @param string $mall_order_id     主商城订单ID
     * @return boolean
     */
    public function createOrderPickup(int $order_id, int $mall_order_id)
    {
        /**
         * @var StoreOrder|null
         */
        $order = StoreOrder::getOrderByOrderId($this->mall_id, $order_id);
        if (empty($order)) return true;

        $store_id = $order->store_id;

        // 是否自提订单
        if (!$order->isPuckup()) return true;

        // 查看店铺是否开启
        if (!$this->isOpenPickup($store_id)) return true;

        $code = $this->getPickupCode($store_id);
        if (
            StoreOrderPickup::addPickup(
                $this->mall_id, $store_id, $order_id, $mall_order_id, $this->getStage(), $code
            )
        ) {
            return true;
        }

        return false;
    }

    /**
     * 店铺是否开启自提码
     *
     * @param integer $store_id
     * @return boolean
     */
    public function isOpenPickup(int $store_id)
    {
        $key = sprintf('pickup_setting:%s', $store_id);
        if ($pickup = Yii::$app->redis->get($key)) {
            $pickup = json_decode($pickup, true);
        } else {
            $pickup = Store::getStorePickup($store_id);
            Yii::$app->redis->setex($key, 5, json_encode($pickup));
        }

        if (empty($pickup)) return false;

        return ($pickup['status'] ?? 0) == 1;
    }

    /**
     * 获取自提号
     *
     * @param integer $store_id
     * @return string
     */
    protected function getPickupCode(int $store_id) : string
    {
        $stage = $this->getStage();
        /* $count = StoreOrderPickup::getStoreCount($store_id, $stage);

        return static::PREFIX . ($count <= static::MAX
            ? str_pad(++$count, strlen(static::MAX), '0', STR_PAD_LEFT)
            : ++$count); */

        // 使用redis自增
        $key = sprintf('getPickupCode:%s:%s', $store_id, $stage);
        Yii::$app->redis->incr($key);

        $count = Yii::$app->redis->get($key);
        return static::PREFIX . ($count <= static::MAX
            ? str_pad($count, strlen(static::MAX), '0', STR_PAD_LEFT)
            : $count);
    }

    /**
     * 获取期数
     *
     * @return string
     */
    protected function getStage() :string
    {
        return $this->stage ?? $this->stage = date('Ymd');
    }
}