/**
 * cart api
 * @author: lcy<chuanyang.liu@yoho.cn>
 * @date: 2016/12/26
 */
'use strict';

const _ = require('lodash');

module.exports = class extends global.yoho.BaseModel {
    constructor(ctx) {
        super(ctx);
    }

    /**
     * [套餐添加购物车]
     * @param  {[type]} params [description]
     * @return {[type]}        [description]
     */
    addBundle(params) {
        params = Object.assign({
            method: 'app.Shopping.addBundle'
        }, params);

        return this.get({data: params});
    }

    /**
     * [套餐增减购物车]
     * @param  {[type]} params [description | order:1-incr, order:0-decr]
     * @return {[type]}        [description]
     */
    bundleNum(params) {

        // 增加
        if (params.increaseNum) {
            params.method = 'app.Shopping.incrBundle';
            params.increase_number = parseInt(params.increaseNum, 10);
        }

        // 减少
        if (params.decreaseNum) {
            params.method = 'app.Shopping.decrBundle';
            params.decrease_number = parseInt(params.decreaseNum, 10);
        }

        delete params.increaseNum;
        delete params.decreaseNum;

        return this.get({data: params});
    }

    /**
     * 获取购物车数据
     * @param uid
     * @param shoppingKey
     * @returns {*}
     */
    cartData(uid, shoppingKey) {

        let param = {
            is_support_mlp: 'Y',
            method: 'app.Shopping.queryCart' // old: 'app.Shopping.cart'
        };

        if (uid) {
            param.uid = uid;
        }

        if (shoppingKey) {
            param.shopping_key = shoppingKey;
        }

        return this.get({data: param});
    }

    /**
     * 加入购物车接口
     *
     * @param int $productSku 商品SKU
     * @param int $buyNumber 购买数量
     * @param int $goodsType 商品类型，0表示普通商品，1表示加价购商品
     * @param int $isEdit 是否是编辑商品SKU，0表示不是编辑
     * @param null|int $promotionId 促销id，默认null（加价购有关）
     * @param null|int $uid 用户UID，可以不传
     * @param string $shoppingKey 未登录用户唯一识别码，可以不传
     * @return array 加入购物车接口返回的数据
     */
    addToCart(productSku, buyNumber, goodsType, isEdit, promotionId, uid, shoppingKey) {

        let param = {
            method: 'app.Shopping.add',
            product_sku: productSku,
            buy_number: Number(buyNumber),
            goods_type: goodsType,
            edit_product_sku: isEdit || 0,
            selected: 'Y',
            promotion_id: promotionId || null
        };

        if (uid) {
            param.uid = uid;
        }

        if (shoppingKey) {
            param.shopping_key = shoppingKey;
        }

        return this.get({data: param});
    }

    /**
     * 购物车商品选择与取消接口
     *
     * @param int $uid 用户ID
     * @param string $sku 商品sku列表
     * @param string $shoppingKey 未登录用户唯一识别码
     * @param bool $hasPromotion 是否有促销ID
     * @return array 购物车接口返回的数据
     */
    selectGoods(uid, sku, shoppingKey /* , hasPromotion*/) {

        let param = {
            // method: hasPromotion ? 'app.Shopping.selectedAndCart' : 'app.Shopping.selected',
            is_support_mlp: 'Y',
            method: 'app.Shopping.selectedAndQryCart',
            product_sku_list: sku
        };

        if (uid) {
            param.uid = uid;
        }

        if (shoppingKey) {
            param.shopping_key = shoppingKey;
        }

        return this.get({data: param});
    }


    /**
     * 移出购物车
     *
     * @param int $uid 用户ID
     * @param string $sku 商品sku列表
     * @param string $shoppingKey 未登录用户唯一识别码
     * @param bool $hasPromotion 是否有促销ID
     * @return array 接口返回的数据
     */
    removeFromCart(uid, shoppingKey, skuList, hasPromotion) {

        let param = {
            method: 'app.Shopping.remove',
            product_sku_list: skuList
        };

        if (hasPromotion) {
            param.method = 'app.Shopping.removeAndQryCart';
            param.is_support_mlp = 'Y';
        }

        if (uid) {
            param.uid = uid;
        }

        if (shoppingKey) {
            param.shopping_key = shoppingKey;
        }

        return this.post({data: param});
    }

    /**
     * 移入收藏夹
     *
     * @param int $uid 用户ID
     * @param string $sku 商品sku列表
     * @param bool $hasPromotion 是否有促销ID
     * @return array 接口返回的数据
     */
    addToFav(uid, skuList /* , hasPromotion*/) {

        let param = {
            // method: hasPromotion ? 'app.Shopping.addfavoriteAndCart' : 'app.Shopping.addfavorite',
            is_support_mlp: 'Y',
            method: 'app.Shopping.addfavoriteAndQryCart',
            product_sku_list: skuList,
            uid: uid
        };

        return this.get({data: param});
    }

    /**
     * 增减购物车商品数量
     *
     * @param int $uid 用户ID
     * @param string $sku 商品SKU
     * @param int $increaseNum 增加的数目
     * @param int $decreaseNum 减少的数目
     * @param string $shoppingKey 未登录用户唯一识别码
     * @return array 接口返回的数据
     */
    modifyProductNum(uid, sku, increaseNum, decreaseNum, shoppingKey) {

        let param = {
            product_sku: sku
        };

        // 增加
        if (increaseNum) {
            param.method = 'app.Shopping.increase';
            param.increase_number = Number(increaseNum);
        }

        // 减少
        if (decreaseNum) {
            param.method = 'app.Shopping.decrease';
            param.decrease_number = Number(decreaseNum);
        }

        if (uid) {
            param.uid = uid;
        }

        if (shoppingKey) {
            param.shopping_key = shoppingKey;
        }

        return this.get({data: param});
    }

    /**
     * 购物车数量
     *
     * @param int $uid 用户ID
     * @param string $shoppingKey 未登录用户唯一识别码
     * @return array 购物车接口返回的数据
     */
    cartCount(uid, shoppingKey) {

        let param = {
            method: 'app.Shopping.count'
        };

        if (uid) {
            param.uid = uid;
        }

        if (shoppingKey) {
            param.shopping_key = shoppingKey;
        }

        return this.get({data: param});
    }

    /**
     * 凑单商品价格分类
     * @return promise 返回接口数据
     */
    getTogetherProductPriceTabAsync() {
        return this.get({data: {method: 'app.coudan.pricetab'}});
    }

    /**
     * 凑单商品列表
     * @return promise 返回接口数据
     */
    getTogetherProductListAsync(price, page, limit) {
        let param = {
            method: 'app.search.coudan.productList',
            price: price,
            page: page || 1,
            limit: limit
        };

        return this.get({data: param});
    }

    /**
     * 凑单商品
     *
     * @param int $page 分页页码
     * @return promise 返回接口数据
     */
    togetherProduct(page) {

        let param = {
            method: 'web.product.together',
            client_type: 'web',
            page: page
        };

        return this.get({data: param});
    }

    /**
     * 判断商品列表是否收藏情况
     * @param uid
     * @param pidList
     * @returns {Promise.<T>}
     */
    checkUserIsFavProductList(uid, pidList) {

        pidList = _.isArray(pidList) ? pidList : [];

        let promises = _.map(pidList, pid => {
            return this.get({data: {
                method: 'app.favorite.isFavorite',
                id: pid,
                uid: uid,
                type: 'product'
            }});
        });

        return Promise.all(promises)
            .then(ret => {

                let result = {};

                _.forEach(pidList, (pid, index) => {
                    result[pid] = ret[index];
                });

                return result;
            });
    }

    /**
     * 个人中心页面优选新品数据
     *
     * @param int $channel 频道，1代表男生，2代表女生，3代表潮童，4代表创意生活
     * @param $uid 用户ID
     * @param $udid 设备ID
     * @param $rec_pos 位置码
     * @param $limit 数量限制
     * @return array 接口返回的数据
     */
    newPreference(channel, uid, udid, recPos, limit) {

        let param = {
            method: 'app.home.newPreference',
            yh_channel: channel,
            udid: udid,
            rec_pos: recPos,
            limit: limit
        };

        if (uid) {
            param.uid = uid;
        }

        return this.get({data: param});
    }

    /**
     * 修改商品颜色和尺寸
     * @function modifyProduct
     * @param { Number } uid 用户ID
     * @param { String } swapData 商品修改信息
     * @param { String } shoppingKey 未登录用户唯一识别码
     * @return { Object } 接口返回单个商品修改结果
     */
    modifyProduct(options) {
        let params = {
            method: 'app.Shopping.swap'
        };

        _.merge(params, {
            swap_data: options.swapData
        });

        if (options.uid) {
            _.merge(params, {
                uid: options.uid
            });
        }

        if (options.shoppingKey) {
            _.merge(params, {
                shopping_key: options.shoppingKey
            });
        }

        return this.get({data: params});
    }

    /**
     * 更换加价购，赠品商品
     * @function modifyProduct
     * @param { Number } uid 用户ID
     * @param { String } swapData 商品修改信息
     * @param { String } shoppingKey 未登录用户唯一识别码
     * @return { Object } 接口返回单个商品修改结果
     */
    swapGift(uid, shoppingKey, promotionId, newSkn, newSku) {

        let param = {
            method: 'app.Shopping.swapGift',
            promotion_id: promotionId,
            new_product_skn: newSkn,
            new_product_sku: newSku
        };

        if (uid) {
            param.uid = uid;
        }

        if (shoppingKey) {
            param.shopping_key = shoppingKey;
        }

        return this.get({data: param});
    }

    /**
     * 查询所有可选的赠品或者加价购活动下的商品
     * @param promotionId array
     * @returns {*}
     */
    queryPromotionGift(promotionIds) {
        let param = {
            method: 'app.Shopping.queryPromotionGifts',
            promotion_ids: promotionIds
        };

        return this.get({data: param});
    }
};