<?php

namespace addons\CloudStock\api\modules\v1\controllers;

use addons\CloudStock\common\models\CloudStockAgentCart;
use addons\CloudStock\common\services\CloudStockAgentCartService;
use addons\CloudStock\common\services\CloudStockAgentGoodsService;
use addons\CloudStock\common\services\CloudStockAgentOrderService;
use addons\CloudStock\common\services\CloudStockLevelService;
use common\enums\StatusEnum;
use Exception;
use Yii;

class CsAgentCartController extends BaseController
{
    public $modelClass = '';

    protected $authOptional = [];

    /**
     * @return mixed|void|null
     */
    public function actionSetCart()
    {
        $post  = $this->request->post();
        $rules = [
            [['goods_id', 'num'], 'required'],
            [['goods_id', 'num'], 'integer'],
        ];
        $res   = Yii::$app->services->validate->validate($post, $rules);
        if ($res === false) {
            return $this->error(Yii::$app->services->validate->getErrorMessage());
        }

        $baseParams = ['user_id' => $this->user_id, 'mall_id' => $this->mall_id, 'stock_agent' => $this->stock_agent];

        $goodsService = new CloudStockAgentGoodsService($baseParams);
        $cartService  = new CloudStockAgentCartService($baseParams);
        $orderService = new CloudStockAgentOrderService($baseParams);
        $levelService = new CloudStockLevelService($baseParams);

        if (!$goodsService->goodsExist($post['goods_id'])) {
            $this->error('商品不存在');
            return;
        }

        $currentCart = $cartService->getCartList([$post['goods_id']]);
        $currentNum = array_column($currentCart, 'num', 'goods_id')[$post['goods_id']] ?? 0;
        // 如果是增加购物车才验证，如果是减购物车则不理
        if ($post['num'] > $currentNum) {
            $cartList = [
                ['num' => $post['num'], 'goods_id' => $post['goods_id']]
            ];
            // 验证限购（不能超过代理商品的总库存  不能超过后台限制的配置）
            if (!$orderService->checkLimit($cartService, $levelService, $goodsService, $cartList, false)) {
                $this->error($orderService->getError());
                return;
            }
        }

        $post = array_merge($post, $baseParams);
        if (!CloudStockAgentCart::setCart($post)) {
            $this->error('加入购物车异常');
            return;
        }

        $this->success();
    }

    /**
     * 返回加购的数量
     *
     * @return void
     */
    public function actionCartInfo()
    {
        $baseParams  = ['user_id' => $this->user_id, 'mall_id' => $this->mall_id];
        $cartService = new CloudStockAgentCartService($baseParams);

        $this->success('success', ['cart_count' => $cartService->getCurrentCartCount(), 'cart_list' => $cartService->getCartList()]);
    }
}