import { defineEventHandler } from 'h3'
import { useRuntimeConfig } from '#imports'
import { getTenantFromContext } from '../../utils/tenant'
import { getAppProductById } from '../../utils/app'
import type { TenantContext } from '~/app/types'

/**
 * 获取当前应用信息
 * GET /api/app/info
 *
 * 优先返回中间件已识别的 AppProduct（event.context.tenant.appProduct）
 * 若中间件未查到（异常降级），则用 appId 实时补查
 */
export default defineEventHandler(async (event) => {
  const config = useRuntimeConfig()
  const ctx = getTenantFromContext(event, config)
  const tenant = event.context?.tenant as TenantContext | undefined

  // 中间件已查到直接返回
  if (tenant?.appProduct) {
    return tenant.appProduct
  }

  // 兜底：实时查询
  const appProduct = await getAppProductById(ctx.appId, config)
  return appProduct || null
})