const app = getApp();
var util = require('../../utils/util.js');
var api = require('../../utils/service-api.js');

Page({

    /**
     * 页面的初始数据
     */
    data: {
        currentIndex: 0,
        secondIndex: -1,
        tabs: [],
        secondTabs: [],
        productList: [],
        offset: 0,
        limit: 8,
    },


    //用户点击tab时调用
    titleClick: function (e) {
        let currentPageIndex = e.currentTarget.dataset.idx;
        let secondTabs = this.data.tabs[currentPageIndex].shopProductAttributeList;
        this.setData({
            //拿到当前索引并动态改变
            currentIndex: currentPageIndex,
            secondTabs: secondTabs,
            secondIndex: -1,
        })
        this.getProduct();
    },

    onLoad: function (options) {

        this.getProductAttribute();
    },

    //获取产品分类
    getProductAttribute() {
        var _this = this;
        util.request({
            api: api.productAttribute.getByCode + "cpfl",
            callback: function (data) {
                _this.setData({
                    tabs: data.rows,
                    secondTabs: data.rows[0].shopProductAttributeList
                });
                //加载产品
                _this.getProduct();

            }

        });

    },

    //选择二级分类产品
    chooseSecondCata(e) {
        var index = e.currentTarget.dataset.index;
        this.setData({
            secondIndex: index
        });
        this.getProduct();
    },


    // 加载第一页产品数据
    getProduct: function () {

        var _this = this;
        var limit = _this.data.limit;
        var currentIndex = this.data.currentIndex;
        var secondIndex = this.data.secondIndex;
        var categoryId = this.data.tabs[currentIndex].attrId;
        if (secondIndex != -1) {
            categoryId = this.data.tabs[currentIndex].shopProductAttributeList[secondIndex].attrId;
        }

        util.request({
            api: api.goods.searchGoods,
            data: {
                "limit": limit,
                "categoryId": categoryId,
                "offset": 0,
                "shopIds": app.shopInfo.id
            },
            callback: function (data) {
                _this.setData({
                    productList: data.rows,
                });
                var productList = _this.data.productList;
                if (productList.length == 0) {
                    _this.setData({
                        orderShow: true,
                    })
                } else {
                    _this.setData({
                        orderShow: false
                    })
                }
            }
        });

    },
    onTabsItemEvent(e) {
        var index = e.currentTarget.dataset.index;

        this.setData({
            currentIndex: index,
            offset: 0
        })
        this.getProduct(index);
    },
    // 进入详情
    intoDetail(e) {
        var _this = this;
        var id = e.currentTarget.dataset.id;
        wx.navigateTo({
            url: '/pages/yuyue/yyInfo?model=2&id=' + id,
        })
    },
    // 上拉加载
    onReachBottom: function () {
        var _this = this;
        var limit = _this.data.limit;

        var offset = _this.data.offset + limit;
        var currentIndex = this.data.currentIndex;
        var secondIndex = this.data.secondIndex;
        var categoryId = this.data.tabs[currentIndex].attrId;
        if (secondIndex != -1) {
            categoryId = this.data.tabs[currentIndex].shopProductAttributeList[secondIndex].attrId;
        }
        _this.setData({
            offset: offset
        });
        util.request({
            api: api.goods.searchGoods,
            data: {
                "limit": limit,
                "offset": offset,
                "categoryId": categoryId,
            },
            callback: function (data) {
                var productList = _this.data.productList;
                for (var i = 0; i < data.rows.length; i++) {
                    productList.push(data.rows[i]);
                }
                _this.setData({
                    productList: productList
                });

            }
        });


    },

    //预约项目
    yuyue(e) {
        this.checkUserInfoIsBuding()
        var index = e.currentTarget.dataset.index;
        var product = this.data.productList[index];
        wx.setStorageSync('chooseService', product);
        wx.switchTab({
            url: '/pages/yuyue/khyuyue'
        });

    },


    checkUserInfoIsBuding() {
        if (util.isBlank(getApp().userInfo.nickName)) {
            wx.navigateTo({
                url: '/pages/welcome/welcome?url=/pages/yuyue/khyuyue',
            })
        } else if (util.isBlank(getApp().userInfo.phoneNumber)) {
            wx.navigateTo({
                url: '/pages/phone/phone?url=/pages/yuyue/khyuyue',
            })
        }
    },

    //一键回到顶部
    goTap() {
        util.goTap();
    },

    //获取滚动条当前位置
    onPageScroll: function (e) {
        // console.log(e)
        if (e.scrollTop > 400) {
            this.setData({
                floorstatus: true
            });
        } else {
            this.setData({
                floorstatus: false
            });
        }
    },

})