EvoBGP/apps/web/src/hooks/use-app-switcher.ts

import { useMemo } from 'react'
import { useQuery } from '@tanstack/react-query'

import {
  DEFAULT_APP_SWITCHER_CONFIG,
  getAppUrl as getAppUrlFromConfig,
  type AppSwitcherConfig,
} from '@/lib/app-switcher-config'
import { appSwitcherQueryOptions } from '@/queries/app-switcher'
import { getClaims, isAuthEnabled } from '@/lib/auth'

/**
 * Portal-first switcher: tries `/api/v1/app-switcher` and filters entries by
 * the current JWT `apps` claim; falls back to `VITE_APP_SWITCHER`/defaults
 * when auth-portal is disabled or unavailable.
 */
export function useAppSwitcherConfig(): {
  config: AppSwitcherConfig
  isLoading: boolean
} {
  const authOn = isAuthEnabled()
  const { data, isLoading } = useQuery({
    ...appSwitcherQueryOptions(),
    enabled: authOn,
  })
  const claims = getClaims()

  const config = useMemo<AppSwitcherConfig>(() => {
    const raw = data ?? DEFAULT_APP_SWITCHER_CONFIG
    if (!authOn) return raw
    const allowed = claims?.apps
    if (!allowed?.length) return raw
    const set = new Set(allowed)
    const apps = raw.apps.filter((a) => set.has(a.id))
    if (!apps.length) return raw
    return { ...raw, apps }
  }, [data, authOn, claims?.apps])

  return { config, isLoading: authOn && isLoading }
}

export function useAppUrl(appId: string): string | undefined {
  const { config } = useAppSwitcherConfig()
  return getAppUrlFromConfig(appId, config ?? DEFAULT_APP_SWITCHER_CONFIG)
}