<?php

namespace app\api\controller;

use app\model\goods\Cart as CartModel;
use app\model\goods\Goods;

class Cart extends BaseApi
{
    /**
     * 添加信息
     */
    public function add()
    {
        $token = $this->checkToken();
        if ($token['code'] < 0) return $this->response($token);

        $sku_id = isset($this->params['sku_id']) ? $this->params['sku_id'] : 0;
        $num    = isset($this->params['num']) ? $this->params['num'] : 0;
        if (empty($sku_id)) {
            return $this->response($this->error('', 'REQUEST_SKU_ID'));
        }
        if (empty($num)) {
            return $this->response($this->error('', 'REQUEST_NUM'));
        }
        $cart = new CartModel();
        $data = [
            'site_id'   => $this->site_id,
            'member_id' => $token['data']['member_id'],
            'sku_id'    => $sku_id,
            'num'       => $num
        ];
        $res  = $cart->addCart($data);
        return $this->response($res);
    }

    /**
     * 编辑信息
     */
    public function edit()
    {
        $token = $this->checkToken();
        if ($token['code'] < 0) return $this->response($token);

        $cart_id = isset($this->params['cart_id']) ? $this->params['cart_id'] : 0;
        $num     = isset($this->params['num']) ? $this->params['num'] : 0;
        if (empty($cart_id)) {
            return $this->response($this->error('', 'REQUEST_CART_ID'));
        }
        if (empty($num)) {
            return $this->response($this->error('', 'REQUEST_NUM'));
        }

        $cart = new CartModel();
        $data = [
            'cart_id'   => $cart_id,
            'member_id' => $token['data']['member_id'],
            'num'       => $num
        ];
        $res  = $cart->editCart($data);
        return $this->response($res);
    }

    /**
     * 删除信息
     */
    public function delete()
    {
        $token = $this->checkToken();
        if ($token['code'] < 0) return $this->response($token);

        $cart_id = isset($this->params['cart_id']) ? $this->params['cart_id'] : 0;
        if (empty($cart_id)) {
            return $this->response($this->error('', 'REQUEST_CART_ID'));
        }
        $cart = new CartModel();
        $data = [
            'cart_id'   => $cart_id,
            'member_id' => $token['data']['member_id']
        ];
        $res  = $cart->deleteCart($data);
        return $this->response($res);
    }

    /**
     * 清空购物车
     */
    public function clear()
    {
        $token = $this->checkToken();
        if ($token['code'] < 0) return $this->response($token);

        $cart = new CartModel();
        $data = [
            'member_id' => $token['data']['member_id']
        ];
        $res  = $cart->clearCart($data);
        return $this->response($res);
    }

    /**
     * 商品购物车列表
     */
    public function goodsLists()
    {
        $token = $this->checkToken();
        if ($token['code'] < 0) return $this->response($token);
        $cart = new CartModel();
        $list = $cart->getCart($token['data']['member_id'], $this->site_id);

        $goods = new Goods();
        if (!empty($list['data'])) {
            foreach ($list['data'] as $k => $v) {
                if ($token['code'] >= 0) {
                    // 是否参与会员等级折扣
                    $goods_member_price = $goods->getGoodsPrice($v['sku_id'], $this->member_id);
                    $goods_member_price = $goods_member_price['data'];
                    if (!empty($goods_member_price['member_price'])) {
                        $list['data'][$k]['member_price'] = $goods_member_price['price'];
                    }
                }
            }
        }
        return $this->response($list);
    }

    /**
     * 获取购物车数量
     * @return string
     */
    public function count()
    {
        $token = $this->checkToken();
        if ($token['code'] < 0) return $this->response($token);
        $cart = new CartModel();
        $list = $cart->getCartCount($token['data']['member_id']);
        return $this->response($list);
    }

    /**
     * 购物车关联列表
     * @return false|string
     */
    public function lists()
    {
        $token = $this->checkToken();
        if ($token['code'] < 0) return $this->response($token);
        $cart      = new CartModel();
        $condition = [
            ['member_id', '=', $token['data']['member_id']],
            ['site_id', '=', $this->site_id]
        ];
        $list      = $cart->getCartList($condition, 'cart_id,sku_id,num');
        return $this->response($list);
    }

}