/**
 * Created by targaryen on 2016/11/28.
 */
'use strict';
const utils = '../../../utils';
const _ = require('lodash');
const helpers = global.yoho.helpers;
const productProcess = require(`${utils}/product-process`);

class bundleModel extends global.yoho.BaseModel {
    constructor(ctx) {
        super(ctx);
    }

    /**
     * 从接口获取套装数据
     * @private
     */
    getBundleBySkn(productSkn) {
        return this.get({
            data: {
                method: 'app.query.bundleSkn',
                product_skn: productSkn
            },
            param: {cache: false}
        }).then(result => {
            return result;
        });
    }

    /**
     * 套装详情页数据
     * @param params
     * @returns {*}
     */
    detail(params, isApp) {
        if (!params.skn && !params.bundle_skn) {
            return Promise.resolve({});
        }
        let bundleIndex = (params.index || 1);

        --bundleIndex;
        return this.getBundleBySkn(params.skn || params.bundle_skn).then(result => {
            if (_.has(result, `data[${bundleIndex}]`)) {
                let shareInfo = _.get(result, 'data[0].shareInfo', {});

                return {
                    bundleDatas: _.map(result.data, (bundle, index) => {
                        let query = {bundle_skn: params.skn ||
                        params.bundle_skn, productId: params.productId, index: index + 1};

                        if (isApp) {
                            query.app_version = isApp;
                        }
                        return {
                            selected: index === bundleIndex,
                            title: _.get(bundle, 'bundleInfo.tabName') || '',
                            href: helpers.urlFormat('/product/bundle/detail', query),
                        };
                    }),
                    shareInfo: {
                        imgUrl: `http:${helpers.image(shareInfo.imgUrl, 300, 300)}`,
                        subTitle: encodeURIComponent(shareInfo.subTitle),
                        title: encodeURIComponent(shareInfo.title),
                        url: shareInfo.url
                    },
                    bundleInfo: _.get(result, `data[${bundleIndex}].bundleInfo`, {}),
                    productList: productProcess.processProductList(
                        _.get(result, `data[${bundleIndex}].productList`, []))
                };
            }
            return {};
        });
    }

    /**
     * 套餐加入购物车
     * @param {*} params
     */
    addToCart(params) {
        let skuList = params.product_sku_list;
        let finalParams = {
            method: 'app.Shopping.addBundle',
            shopping_key: params.shopping_key,
            activity_id: params.activity_id,
            product_sku_list: skuList
        };

        if (params.uid) {
            Object.assign(finalParams, {
                uid: params.uid
            });
        }

        return this.post({
            data: finalParams,
            param: {
                headers: {
                    'User-Agent': params.userAgent
                }
            }
        });
    }
}

module.exports = bundleModel;