import type { MeResponse } from '@/shared/api'
import { useEffect, useState } from 'react'
import { AuthError } from '@/shared/api'
import { t } from '@/shared/i18n'
import { useTask } from '@/shared/lib'
import { fetchSession, logoutSession } from '../api/session'

export function useSession({
  onUnauthenticated,
  onLoggedOut,
}: {
  onUnauthenticated: () => void
  onLoggedOut?: () => void
}) {
  const [user, setUser] = useState<MeResponse | null>(null)
  const [loading, setLoading] = useState(true)
  const task = useTask()
  useEffect(() => {
    const controller = new AbortController()
    void fetchSession(controller.signal)
      .then(setUser)
      .catch((error) => {
        if (controller.signal.aborted) return
        if (error instanceof AuthError && error.code === 'unauthenticated') onUnauthenticated()
        else task.setNotice({ kind: 'error', text: error instanceof Error ? error.message : t('account.unavailable') })
      })
      .finally(() => {
        if (!controller.signal.aborted) setLoading(false)
      })
    return () => controller.abort()
  }, [])
  async function logout() {
    await task.run(async (signal) => {
      await logoutSession(signal)
      onLoggedOut?.()
    })
  }
  return { user, loading, task, logout }
}