interface WifiItem {
    ssid: string
    connected: boolean
}

type WifiStatus = 'idle' | 'searching' | 'list' | 'empty' | 'password' | 'configuring'
type BleStatus = 'connected' | 'failed' | 'connecting'

/** 假 WiFi 列表 */
const MOCK_WIFI: WifiItem[] = [
    { ssid: 'TP-LINK_5G_8A3C', connected: false },
    { ssid: 'Home_WiFi', connected: false },
    { ssid: 'Xiaomi_1234', connected: false },
]

/** 搜索 / 配网定时器 */
let _searchTimer: number | null = null
let _configTimer: number | null = null

Page({
    data: {
        status: 'idle' as WifiStatus,
        deviceName: '智能体重秤',
        bleStatus: 'connected' as BleStatus,
        wifiList: [] as WifiItem[],
        hasConnected: false,
        selectedSsid: '',
        selectWifiPWD: '',
        type: true,
    },

    onLoad() {
        this.onStartSearch()
    },

    onUnload() {
        wx.hideLoading()
        this._clearTimers()
    },

    _clearTimers() {
        if (_searchTimer !== null) { clearTimeout(_searchTimer); _searchTimer = null }
        if (_configTimer !== null) { clearTimeout(_configTimer); _configTimer = null }
    },

    /** 模拟获取 WiFi 列表 */
    onStartSearch() {
        if (_searchTimer !== null) { clearTimeout(_searchTimer); _searchTimer = null }
        this.setData({ status: 'searching', wifiList: [] })
        wx.showLoading({ title: '正在获取 WiFi 列表...', mask: true })
        _searchTimer = setTimeout(() => {
            wx.hideLoading()
            this.setData({
                status: 'list',
                wifiList: MOCK_WIFI.map(item => ({ ...item })),
            })
        }, 1200)
    },

    onRefresh() {
        this.onStartSearch()
    },

    onTapWifi(e: WechatMiniprogram.TouchEvent) {
        const ssid = e.currentTarget.dataset.ssid as string
        const target = this.data.wifiList.find(item => item.ssid === ssid)
        if (!target || target.connected) return
        this.setData({ status: 'password', selectedSsid: ssid, selectWifiPWD: '', type: true })
    },

    passwordInput(e: WechatMiniprogram.Input) {
        this.setData({ selectWifiPWD: e.detail.value })
    },

    inputTypeChange() {
        this.setData({ type: !this.data.type })
    },

    onCancelPwd() {
        this.setData({ status: 'list', selectedSsid: '', selectWifiPWD: '' })
    },

    /** 模拟配网 */
    onConfirmPwd() {
        const { selectedSsid, selectWifiPWD } = this.data
        if (!selectedSsid) return
        this.setData({ status: 'configuring' })
        wx.showLoading({ title: '正在配网...', mask: true })
        _configTimer = setTimeout(() => {
            wx.hideLoading()
            this.setData({
                status: 'list',
                wifiList: this.data.wifiList.map(item => ({ ...item, connected: item.ssid === selectedSsid })),
                hasConnected: true,
                selectedSsid: '',
                selectWifiPWD: '',
            })
        }, 1500)
    },

    onConfirm() {
        if (!this.data.hasConnected) return
        wx.navigateTo({ url: '/pages/supplementPersonal/supplementPersonal' })
    },
})