<?php

namespace addons\Scratch\common\logic;


use addons\Coupon\common\models\AddonsCoupon;
use addons\Scratch\common\enums\ScratchEnum;
use addons\Scratch\common\models\ScratchCouponModel;
use addons\Scratch\common\models\ScratchLogModel;
use addons\Scratch\common\models\ScratchModel;
use common\models\base\User;
use common\models\goods\Goods;
use common\models\goods\GoodsAttr;
use common\models\mall\MallAddons;

/**
 * Class ScratchLogic
 * @package addons\Scratch\common\logic
 */
class ScratchLogic
{
    /**
     * 列表
     * @param int $mallId
     * @param int $userId
     * @param array $postData
     * @return mixed
     * @throws \ErrorException
     */
    public static function getList($mallId = 0, $userId = 0, $postData = [])
    {
        try {
            $params = [
                'with' => [
                    'goods' => function($q){
                        $q->select('id,goods_name');
                    }
                ],
                'where' => [
                    ['=', 'mall_id', $mallId],
                    ['in', 'status', [ScratchEnum::ENABLED, ScratchEnum::DISABLED]],
                ],
                'page' => $postData['page'] ?? 1,
                'limit' => $postData['limit'] ?? 15,
                'order' => $postData['order'] ?? 'id desc',
            ];

            if(!empty($postData['type'])){
                $params['where'][] = ['=', 'type', $postData['type']];
            }

            if(!empty($postData['keyword'])){
                $params['where'][] = ['like', 'name', $postData['keyword']];
            }

            $pageData = ScratchModel::listPage($params, false);
            if ($pageData === false) throw new \ErrorException(ScratchModel::getStaticError());

            foreach ($pageData['list'] as &$vo) {
                if($vo['type'] == ScratchModel::TYPE_COUPON){
                    $vo['coupon_data'] = ScratchCouponModel::getData($vo['coupon_id'], 'id,name');
                }

            }

            $pageData['types'] = ScratchModel::getTypeList($mallId);

            return $pageData;
        } catch (\ErrorException $errorException) {
            throw new \ErrorException($errorException->getMessage());
        } catch (\Exception $exception) {
            throw new \Exception($exception->getMessage());
        }
    }

    /**
     * 列表
     * @param int $mallId
     * @param int $userId
     * @param array $postData
     * @return mixed
     * @throws \ErrorException
     */
    public static function getLogList($mallId = 0, $userId = 0, $postData = [])
    {
        try {
            $params = [
                'with' => [
                    'scratch',
                    'user' => function($q){
                        $q->select('id,nickname,avatar_url,mobile');
                    },
                    'goods' => function($q){
                        $q->select('id,goods_name');
                    },
                ],
                'where' => [
                    ['=', 'mall_id', $mallId],
                ],
                'page' => $postData['page'] ?? 1,
                'limit' => $postData['limit'] ?? 20,
                'order' => $postData['order'] ?? 'id desc',
            ];

            if(!empty($postData['type'])){
                $params['where'][] = ['=', 'type', $postData['type']];
            }

            if(!empty($userId)){
                $params['where'][] = ['=', 'user_id', $userId];
            }

            $is_search = 0;
            $user_id_arr = [];
            if (!empty($postData['keyword'])) {
                $is_search = 1;
                $user_list = User::lists([
                    'where' => [
                        ['mall_id' => $mallId],
                        [
                            'or',
                            // ['like', 'username', $postData['keyword']],
                            ['like', 'nickname', $postData['keyword']],
                            ['like', 'mobile', $postData['keyword']]
                        ]
                    ],
                    'select' => 'id']);
                $user_ids = array_column($user_list, 'id');
                if (!empty($user_id_arr)) {
                    $user_id_arr = array_intersect($user_id_arr, $user_ids);
                } else {
                    $user_id_arr = $user_ids;
                }
            }
            if ($is_search) $params['where'][] = ['in', 'user_id', $user_id_arr];

            $pageData = ScratchLogModel::listPage($params, false);
            if ($pageData === false) throw new \ErrorException(ScratchModel::getStaticError());

            foreach ($pageData['list'] as &$vo) {
                if($vo['type'] == ScratchModel::TYPE_COUPON){
                    $vo['coupon_data'] = ScratchCouponModel::getData($vo['coupon_id'], 'id,name');
                }

            }
            $pageData['types'] = ScratchModel::getTypeList($mallId);

            return $pageData;
        } catch (\ErrorException $errorException) {
            throw new \ErrorException($errorException->getMessage());
        } catch (\Exception $exception) {
            throw new \Exception($exception->getMessage());
        }
    }

    /**
     * @param $id
     * @return array|false|mixed|void
     * @throws \ErrorException
     */
    public static function getEdit($id, $mallId)
    {
        try {
            //所有可用的优惠券
            $coupon = AddonsCoupon::getMallCoupon($mallId);

            $list = ScratchModel::find()
                ->with([
                    'attr.goods',
                    'coupon',
                ])
                ->where([
                    'mall_id' => $mallId,
                    'id' => $id
                ])
                ->asArray()
                ->one();

            if ($list && $list['type'] == ScratchModel::TYPE_GOODS && $list['attr']) {
                $goodsAttr = GoodsAttr::find()->where(['is_delete' => 0, 'goods_id' => $list['attr']['goods_id']])->asArray()->all();
                foreach ($goodsAttr as $key => $item) {
                    $attr_list = (new Goods())->signToAttr($item['sign_id'], $list['attr']['goods']['attr_groups']);
                    $attr_str = '';
                    foreach ($attr_list as $item1) {
                        $attr_str .= $item1['attr_group_name'] . ':' . $item1['attr_name'] . ';';
                    }
                    $goodsAttr[$key]['attr_str'] = $attr_str;
                }
                $list['attr_list'] = $goodsAttr;
                $list['goods_name'] = $list['attr']['goods']['name'];
                unset($list['attr']);
            }

            return [
                'list' => $list,
                'types' => ScratchModel::getTypeList($mallId),
                'is_coupon' => MallAddons::isInstall($mallId, 'Coupon'),
                'coupon' => $coupon,
            ];
        } catch (\ErrorException $errorException) {
            throw new \ErrorException($errorException->getMessage());
        } catch (\Exception $exception) {
            throw new \Exception($exception->getMessage());
        }
    }

    /**
     * @param $id
     * @return array|false|mixed|void
     * @throws \ErrorException
     */
    public static function searchGoods($mallId, $postData)
    {
        try {
            $params = [
                'with' => [
                    'attr' => function($q){
                        $q->select('id,goods_id,name,stock');
                    }
                ],
                'where' => [
                    ['=', 'mall_id', $mallId],
                    ['in', 'status', [ScratchEnum::ENABLED, ScratchEnum::DISABLED]],
                ],
                'select' => 'id,mall_id,goods_name',
                'page' => $postData['page'] ?? 1,
                'limit' => $postData['limit'] ?? 20,
                'order' => $postData['order'] ?? 'id desc',
            ];

            if(!empty($postData['keyword'])){
                $params['where'][] = ['like', 'goods_name', $postData['keyword']];
            }

            $list = Goods::getGoodsList($params, true);

            return $list;
        } catch (\ErrorException $errorException) {
            throw new \ErrorException($errorException->getMessage());
        } catch (\Exception $exception) {
            throw new \Exception($exception->getMessage());
        }
    }

    /**
     * @param $mallId
     * @param $params
     * @return array
     * @throws \ErrorException
     */
    public static function saveEdit($mallId, $params)
    {
        try {
            $model = ScratchModel::setData($mallId, $params);

            //商品
            if ($params['type'] == ScratchModel::TYPE_GOODS) {
                $model->goods_id = $params['goods_id'] ?? 0;
                $model->attr_id = $params['attr_id'] ?? 0;

                $attrData = GoodsAttr::findOne([
                    'id' => $model->attr_id,
                    'goods_id' => $model->goods_id,
                    'status' => ScratchEnum::ENABLED,
                ]);
                if(empty($attrData)){
                    throw new \ErrorException('商品不存在或已删除');
                }
            }

            // 优惠券
            if($params['type'] == ScratchModel::TYPE_COUPON ){
                self::setCouponCount($model);
            }

            if (!$model->save()) {
                throw new \ErrorException($model->getErrorMessage());
            }

            return true;
        } catch (\ErrorException $errorException) {
            throw new \ErrorException($errorException->getMessage());
        } catch (\Exception $exception) {
            throw new \Exception($exception->getMessage());
        }
    }

    /**
     * @param $mallId
     * @param $params
     * @return array
     * @throws \ErrorException
     */
    public static function saveEditStatus($mallId, $params)
    {
        try {
            $id = $params['id'] ?? 0;
            $model = ScratchModel::findOne($id);
            if(empty($model)){
                throw new \ErrorException('信息不存在');
            }

            $model->status = $params['status'] ?? 0;
            if (!$model->save()) {
                throw new \ErrorException($model->getErrorMessage());
            }

            return true;
        } catch (\ErrorException $errorException) {
            throw new \ErrorException($errorException->getMessage());
        } catch (\Exception $exception) {
            throw new \Exception($exception->getMessage());
        }
    }

    /**
     * @param ScratchModel $model
     * @return bool
     */
    private static function setCouponCount(ScratchModel $model){
        $coupon = new ScratchCouponModel();
        $old_stock = $model->getOldAttribute('stock');
        $new_stock = $old_stock - $model->stock;
        if($model->isNewRecord){
            // 新增，减优惠券数据量
            $coupon->updateCount($model->stock, 'sub', $model->coupon_id);
            return true;
        }
        // 修改
        if($new_stock > 0){
            // 减少了优惠券数据量，要把它加回去
            $res = $coupon->updateCount(abs($new_stock), 'add', $model->coupon_id);
        }else{
            // 增加了优惠券数量，要减出来
            $res = $coupon->updateCount(abs($new_stock), 'sub', $model->coupon_id);
        }
        return  true;
    }


}