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2026-03-25 12:29:03 -05:00

66 lines
1.9 KiB
TypeScript

import React, { createContext, useCallback, useContext, useEffect, useMemo, useState } from 'react'
import { Platform } from 'react-native'
import { isExpoEasyTierVpnAvailable, saveAndPrepareTunnel } from '@/lib/easyTierVpn'
import type { BindPayload } from '@/lib/types'
import { clearBindPayload, loadBindPayload, saveBindPayload } from '@/lib/storage'
type Ctx = {
bind: BindPayload | null
ready: boolean
setBind: (p: BindPayload | null) => Promise<void>
clear: () => Promise<void>
}
const BindContext = createContext<Ctx | null>(null)
export function BindProvider({ children }: { children: React.ReactNode }) {
const [bind, setBindState] = useState<BindPayload | null>(null)
const [ready, setReady] = useState(false)
useEffect(() => {
void (async () => {
const p = await loadBindPayload()
setBindState(p)
setReady(true)
})()
}, [])
useEffect(() => {
if (!ready || !bind) return
if (Platform.OS === 'android' && isExpoEasyTierVpnAvailable()) {
void saveAndPrepareTunnel(bind.easytier).catch(() => {})
}
}, [ready, bind])
const setBind = useCallback(async (p: BindPayload | null) => {
setBindState(p)
if (p) await saveBindPayload(p)
else await clearBindPayload()
if (p && Platform.OS === 'android' && isExpoEasyTierVpnAvailable()) {
try {
await saveAndPrepareTunnel(p.easytier)
} catch {
/* 组网内核未就绪或用户未授权 VPN 时不阻断配对 */
}
}
}, [])
const clear = useCallback(async () => {
setBindState(null)
await clearBindPayload()
}, [])
const value = useMemo(
() => ({ bind, ready, setBind, clear }),
[bind, ready, setBind, clear],
)
return <BindContext.Provider value={value}>{children}</BindContext.Provider>
}
export function useBind(): Ctx {
const c = useContext(BindContext)
if (!c) throw new Error('useBind outside BindProvider')
return c
}