<?php

namespace app\mall\controller\api;

use app\mall\model\MallCart;
use app\mall\model\MallPool;
use app\mall\model\MallProduct;

class Cart extends Base
{

    /**
     * 获取购物车种类数量
     * @date 2021-03-01
     */
    public function getCartNumber()
    {
        $param = input('post.');

        $cart_model = new MallCart();

        //获取购物车种类数量
        $cart_number = $cart_model->getOneData([
            ['user_id', '=', USER_ID]
        ], 'count(id)');

        return sendSuccessMessage([
            'cart_number' => $cart_number
        ]);
    }

    /**
     * 获取用户购物车现有有效和无效产品列表
     * @date 2021-03-01
     */
    public function listUserCartEffectiveAndInvalid()
    {
        $param = input('post.');

        $cart_logic = new \app\mall\logic\Cart();

        // 更新购物车产品选中状态
        $result = $cart_logic -> listUserCartEffectiveAndInvalid();

        return sendSuccessMessage($result);
    }

    /**
     * 更新购物车产品选中状态
     * @date 2022-08-25
     */
    public function updateCartProductSelectedStatus()
    {
        $param = input('post.');

        $cart_logic = new \app\mall\logic\Cart();

        // 更新购物车产品选中状态
        $result = $cart_logic -> updateCartProductSelectedStatus($param['cart_id'],$param['is_select']);

        // 有报错
        if($result['code']){
            return json($result);
        }

        return sendSuccessMessage([
            'cart_effective' => $result['data']['cart_effective']
        ]);
    }


    /**
     * 删除购物车选中商品
     * @date 2022-10-27
     */
    public function deleteChooseProduct()
    {
        $param = input('post.');

        $cart_logic = new \app\mall\logic\Cart();

        // 删除购物车选中商品
        $result = $cart_logic->deleteChooseProduct();

        return json($result);
    }

    /**
     * 全选/取消全选购物车商品
     * @date 2021-03-01
     */
    public function chooseAllProduct()
    {
        $param = input('post.');


        $cart_model = new MallCart();
        $cart_service = new \app\mall\service\Cart();

        if ($param['choose'] == 0) {
            $data = [
                'is_select' => 0,
                'update_time' => time()
            ];
        } else if ($param['choose'] == 1) {
            $data = [
                'is_select' => 1,
                'update_time' => time()
            ];
        }

        $number = $cart_model -> getNumber([
            ['user_id', '=', USER_ID]
        ]);
        if(!empty($number)){
            $res = $cart_model->where([
                ['user_id', '=', USER_ID]
            ])->update($data);
            if (!$res) {
                return sendErrorMessage(4001, '更新购物车失败');
            }
        }


        // 更新购物车产品选中状态
        list($cart_effective, $cart_invalid) = $cart_service->listUserCartEffectiveAndInvalid();

        return sendSuccessMessage([
            'cart_effective' => $cart_effective
        ]);
    }

    /**
     * 购物车页新加或更新购物车
     * @date 2021-03-01
     */
    public function cartNumberChange()
    {
        $param = input('post.');

        $cart_model = new MallCart();
        $product_logic = new \app\mall\logic\Product();
        $cart_service = new \app\mall\service\Cart();

        //获取购物车详情
        $cart = $cart_model->getOneData([
            ['id', '=', $param['cart_id']]
        ]);

        //判断库存是否足够
        if ($param['type'] == 1) {
            $number = $cart['number'] + 1;
        } else if ($param['type'] == 2) {
            $number = $cart['number'] - 1;
        } else if ($param['type'] == 3) {
            $number = $param['number'];
        }
        $res = $product_logic->isStockEnough($cart['product_id'], $cart['product_sku'], $number);
        if ($res['code'] != 0) {
            return json($res);
        }

        //更新购物车数量
        $data['id'] = $param['cart_id'];
        $data['number'] = $number;
        $res = $cart_model->dataUpdate($data);
        if (!$res) {
            return sendErrorMessage(4001, '更新购物车失败');
        }


        //获取购物车商品
        list($cart_effective, $cart_invalid) = $cart_service->listUserCartEffectiveAndInvalid();;

        return sendSuccessMessage([
            'cart_effective' => $cart_effective
        ]);
    }

    /**
     * 商品详情页新加或更新购物车
     * @date 2021-03-01
     */
    public function cartUpdate()
    {
        $param = input('post.');

        $cart_model = new MallCart();
        $product_model = new MallProduct();
        $product_logic = new \app\mall\logic\Product();

        //获取商品详情
        $product = $product_model->getOneData([
            ['id', '=', $param['product_id']]
        ]);

        //判断库存是否足够
        $cart_number = $cart_model->getOneData([
            ['user_id', '=', USER_ID],
            ['product_id', '=', $param['product_id']],
            ['product_sku', '=', $param['sku']],
        ], 'number');
        $cart_number = $cart_number ?? 0;
        $number = $param['number'] + $cart_number;//购物车本身的数量+新增数量
        $res = $product_logic->isStockEnough($param['product_id'], $param['sku'], $number);
        if ($res['code'] != 0) {
            return json($res);
        }

        //加入购物车
        $data = [
            'uid' => UID,
            'user_agent' => USER_AGENT,
            'user_id' => USER_ID,
            'product_id' => $param['product_id'],
            'is_product_spec_open' => $product['is_spec_open'],
            'product_sku' => $param['sku'],
            'number' => $param['number']
        ];
        //凑单的商品默认选中
        if (!empty($param['is_select']) && $param['is_select'] == 1) {
            $data['is_select'] = 1;
        }
        $res = $cart_model->updateCart($data);
        if (!$res) {
            return sendErrorMessage(4001, '更新购物车失败');
        }

        //获取购物车种类数量
        $cart_number = $cart_model->getOneData([
            ['user_id', '=', USER_ID]
        ], 'count(id)');

        return sendSuccessMessage([
            'cart_number' => $cart_number
        ], '加入购物车成功');
    }


    /**
     * 清空失效宝贝
     * @date 2021-03-01
     */
    public function clearInvalidProduct()
    {
        $cart_model = new MallCart();


        $res = $cart_model->deleteInvalidCart();
        if (!$res) {
            return sendErrorMessage(4001, '清空失效宝贝失败');
        }

        return sendSuccessMessage([], '清空失效宝贝成功');
    }

    /**
     * 去凑单
     * @date 2021-03-01
     */
    public function getPool()
    {
        $param = input('post.');

        $pool_model = new MallPool();

        $pool = $pool_model->getAllData([
            ['uid', '=', UID]
        ], 'limit', 'limit asc')->toArray();

        //组合数组
        $index = 0;
        foreach ($pool as $k => $v) {
            $pool[$k]['name'] = ($k == 0 ? 0 : $pool[$k - 1]['limit']) . '-' . $pool[$k]['limit'] . '元';
            $pool[$k]['price_min'] = $k == 0 ? 0 : $pool[$k - 1]['limit'];
            $pool[$k]['price_max'] = $pool[$k]['limit'];

            if ($param['differ_money'] >= $pool[$k]['price_min'] && $param['differ_money'] < $pool[$k]['price_max']) {
                $index = $k;
            }
            if ($k == count($pool) - 1) {
                $pool[$k + 1]['name'] = $pool[$k]['limit'] . '元以上';
                $pool[$k + 1]['price_min'] = $pool[$k]['limit'];
                $pool[$k + 1]['price_max'] = '';
                if ($param['differ_money'] >= $pool[$k + 1]['price_min']) {
                    $index = $k + 1;
                }
            }
        }

        return sendSuccessMessage([
            'pool' => $pool,
            'index' => $index
        ]);
    }
}