const app = getApp()
Page({
    data: {
        frameStyle: { useTop: true, name: '私教课信息', leftArrow: true, useBar: false },
        list: [],
        total: 0,
        page: 0,
        skip: 0,
        limit: 5,
        //状态
        statusList: []
    },
    // 返回
    back(e) {
        wx.navigateBack({ delta: 1 })
    },
    // 查看
    toView: async function (e) {
        const that = this;
        that.setData({ skip: 0, page: 0, list: [] })
        const { item } = e.currentTarget.dataset;
        wx.navigateTo({ url: `/pages/stuAdmin/private/info?id=${item._id}` })
    },
    // 分页
    toPage: function () {
        const that = this;
        let list = that.data.list;
        let limit = that.data.limit;
        if (that.data.total > list.length) {
            wx.showLoading({ title: '加载中', mask: true })
            let page = that.data.page + 1;
            that.setData({ page: page })
            let skip = page * limit;
            that.setData({ skip: skip })
            that.watchLogin();
            wx.hideLoading()
        } else { wx.showToast({ title: '没有更多数据了', icon: 'none', duration: 2000 }) }
    },
    /**
     * 生命周期函数--监听页面加载
     */
    onLoad: function (options) {
    },
    /**
     * 生命周期函数--监听页面初次渲染完成
     */
    onReady: function () { },
    /**
     * 生命周期函数--监听页面显示
     */
    onShow: async function () {
        const that = this;
        // 查询其他信息
        await that.searchOther();
        // 监听用户是否登录
        await that.watchLogin();
    },
    searchOther: async function () {
        const that = this;
        let arr;
        // 状态
        arr = await app.$get(`/dict`, { code: 'lesson_status' });
        if (arr.errcode == '0' && arr.total > 0) that.setData({ statusList: arr.data[0].list });
    },
    // 监听用户是否登录
    watchLogin: async function () {
        const that = this;
        var list = [];
        let statusList = that.data.statusList;
        wx.getStorage({
            key: 'user',
            success: async res => {
                let info = { skip: that.data.skip, limit: that.data.limit };
                let arr = await app.$get(`/lessonPrivate`, { ...info });
                if (arr.errcode == '0') {
                    for (const val of arr.data) {
                        if (val.student.length > 0) {
                            let student = val.student.find(i => i._id == res.data.info.id);
                            if (student) {
                                let status = statusList.find(i => i.value == val.status); if (status) val.zhStatus = status.label;
                                list.push(val);
                            }
                        }
                    }
                    if (list) {
                        that.setData({ list: [...that.data.list, ...list] })
                        that.setData({ total: list.length })
                    }
                } else { wx.showToast({ title: `${arr.errmsg}`, icon: 'error', duration: 2000 }) }
            },
            fail: async res => {
                wx.redirectTo({ url: '/pages/index/index' })
            }
        })
    },
    /**
     * 页面上拉触底事件的处理函数
     */
    /**
     * 生命周期函数--监听页面隐藏
     */
    onHide: function () {

    },

    /**
     * 生命周期函数--监听页面卸载
     */
    onUnload: function () {

    },

    /**
     * 页面相关事件处理函数--监听用户下拉动作
     */
    onPullDownRefresh: function () {

    },

    /**
     * 用户点击右上角分享
     */
    onShareAppMessage: function () {

    }
})