<?php
/**
 * Award.php UTF-8
 * 奖品
 *
 * @date    : 2018/5/10 22:49
 *
 * @license 这不是一个自由软件，未经授权不许任何使用和传播。
 * @author  : wuyonghong <wyh@huosdk.com>
 * @version : HUOSDK 8.0
 */

namespace huo\controller\shop;

use huo\controller\common\Base;
use huo\controller\member\MemCache;
use huo\model\integral\AwardsModel;
use huolib\constant\MemItgConst;
use huolib\status\ShopStatus;
use huolib\tool\Rand;
use think\Cache;

class Award extends Base {
    /**
     * 实例化
     *
     * @return static
     */
    public static function ins() {
        return new static();
    }

    /**
     * @param int $mem_id
     * @param int $act_id
     * @param int $cost_integral
     *
     * @return array
     */
    public function draw($mem_id, $act_id = 0, $cost_integral = 0) {
        $_award_datas = $this->getAwards($act_id);
        $_arr = [];
        foreach ($_award_datas as $_k => $_v) {
            $_arr[$_k] = $_v['rate'];
        }
        $_key = Rand::getRand($_arr);
        $_award_data = $_award_datas[$_key];
        $_goods_id = $_award_data['goods_id'];
        $_cost_integral = $cost_integral;
        $_rs = (new ItgOrder())->drawExchange($mem_id, $_goods_id, [], $act_id, $cost_integral);
        if (ShopStatus::NO_ERROR != $_rs['code']) {
            return $this->huoError($_rs['code'], $_rs['msg']);
        }
        $_goods_data = GoodsCache::ins()->getInfoByGoodsId($_goods_id);
        if (empty($_cost_integral)) {
            $_cost_integral = $_goods_data['integral'];
        }
        $_me_data = MemCache::ins()->getMeInfoById($mem_id);
        $_rdata['my_integral'] = $_me_data['my_integral'];
        $_rdata['cost_integral'] = $_cost_integral;
        $_rdata['award_id'] = $_award_data['id'];
        $_rdata['award_name'] = $_award_data['award_name'];
        $_rdata['has_award'] = $_goods_data['gain_integral'] < 0.01 ? MemItgConst::AWARD_NO_GOODS
            : MemItgConst::AWARD_HAS_GOODS;
        $_code = ShopStatus::NO_ERROR;

        return $this->huoSuccess($_code, ShopStatus::getMsg($_code), $_rdata);
    }

    /**
     * 获取活动奖品KEY
     *
     * @param int $act_id 活动ID
     *
     * @return string
     */
    public function getAwardsKey($act_id) {
        return 'act_awards_'.$act_id;
    }

    /**
     * 获取活动奖品信息
     *
     * @param $act_id
     *
     * @return array|bool|mixed
     */
    public function getAwards($act_id = 0) {
        $_key = $this->getAwardsKey($act_id);
        $_awards_data_json = Cache::get($_key);
        $_awards_data = json_decode($_awards_data_json, true);
        if (!is_array($_awards_data)) {
            $_awards_data = $_awards_data_json;
        }
        if (!is_array($_awards_data) || empty($_awards_data)) {
            $_awards_data = (new AwardsModel())->getAwards($act_id);
            if (empty($_awards_data)) {
                return false;
            }
            $this->saveAwardsCache($act_id, $_awards_data);
        }

        return $_awards_data;
    }

    /**
     * 保存活动奖品信息
     *
     * @param int   $act_id
     * @param array $awards_data
     * @param int   $ttl
     */
    public function saveAwardsCache($act_id, $awards_data, $ttl = 3600) {
        $_key = $this->getAwardsKey($act_id);
        Cache::set($_key, json_encode($awards_data), $ttl);
    }

    /**
     * 更新奖品
     *
     * @param $award_id
     * @param $award_data
     *
     * @return bool
     */
    public function updateAward($award_id, $award_data) {
        $_key = $this->getAwardsKey($award_data['act_id']);
        Cache::rm($_key);

        return (new AwardsModel())->updateAward($award_data, $award_id);
    }

    /**
     * 添加奖品
     *
     * @param $award_data
     *
     * @return bool|mixed
     */
    public function addAward($award_data) {
        $_key = $this->getAwardsKey($award_data['act_id']);
        Cache::rm($_key);

        return (new AwardsModel())->addAward($award_data);
    }

    /**
     *  排序 排序字段为list_orders数组 POST 排序字段为：list_order
     *
     * @param $_act_id  活动id
     * @param $ids      //排序值
     *
     * @return bool
     */
    public function listOrders($_act_id, $ids) {
        $_key = $this->getAwardsKey($_act_id);
        Cache::rm($_key);
        $model = new AwardsModel();
        $pk = $model->getPk(); //获取主键名称
        if (!empty($ids)) {
            foreach ($ids as $key => $r) {
                $data['list_order'] = $r;
                $model->where([$pk => $key])->update($data);
            }
        }

        return true;
    }
}