/**
 * 个人中心 — 用户信息 + 订阅管理 + 菜单
 * 从后端获取已订阅频道列表
 */
const app = getApp()
const api = require('../../utils/api')

Page({
    data: {
        isVip: false,
        userInfo: null,
        subscribedData: [],
        menuItems: [
            { id: 'vip', label: '会员中心', icon: '👑', desc: '未开通', highlight: true },
            { id: 'help', label: '帮助与反馈', icon: '❓', desc: '', highlight: false },
            { id: 'about', label: '关于我们', icon: '📄', desc: 'v1.0.0', highlight: false }
        ]
    },

    onShow() {
        this._refresh()
        this._onSubChange = () => this._refresh()
        this._onVipChange = () => this._refresh()
        app.on('subscriptionChange', this._onSubChange)
        app.on('vipChange', this._onVipChange)
    },

    onHide() {
        if (this._onSubChange) app.off('subscriptionChange', this._onSubChange)
        if (this._onVipChange) app.off('vipChange', this._onVipChange)
    },

    _refresh() {
        const self = this
        const gd = app.globalData

        this.setData({
            isVip: gd.isVip,
            userInfo: gd.userInfo
        })

        // 从后端获取已订阅频道
        api.getSubscriptionList({ current: 1, pageSize: 50 }).then(function (res) {
            if (res.code === 200 && res.data) {
                var subList = res.data.list || res.data || []

                // 适配封面 URL
                subList = subList.map(function (ch) {
                    return Object.assign({}, ch, {
                        _coverUrl: (ch.cover && ch.cover.url) || ch.coverUrl || ''
                    })
                })

                self.setData({ subscribedData: subList })
            }
        }).catch(function (err) {
            console.error('[Profile] 加载订阅失败:', err)
        })

        // 更新菜单VIP状态
        var menuItems = this.data.menuItems.slice()
        menuItems[0].desc = gd.isVip ? '已开通' : '未开通'
        menuItems[0].highlight = !gd.isVip
        this.setData({ menuItems: menuItems })
    },

    onUnsubscribe(e) {
        const id = e.currentTarget.dataset.id
        const name = e.currentTarget.dataset.name
        const self = this

        wx.showModal({
            title: '提示',
            content: '确定要取消订阅【' + name + '】吗？',
            success(res) {
                if (res.confirm) {
                    app.unsubscribeFromDomain(id).then(function () {
                        self._refresh()
                    })
                }
            }
        })
    },

    onMenuTap(e) {
        const id = e.currentTarget.dataset.id
        if (id === 'vip') {
            wx.navigateTo({ url: '/pages/vip/index' })
        } else if (id === 'help') {
            wx.showToast({ title: '帮助中心开发中', icon: 'none' })
        } else if (id === 'about') {
            wx.showToast({ title: '早安电台 v1.0.0', icon: 'none' })
        }
    },

    goDiscover() {
        wx.switchTab({ url: '/pages/discover/index' })
    }
})