import { getServerSession } from 'next-auth'
import { NextResponse } from 'next/server'
import { authOptions } from '@/lib/auth'
import {
  assertBrandCenterDashboardAccess,
  BrandCenterDashboardAccessError,
} from '@/lib/brand-center-dashboard-access'
import { PerformanceSurveyApiError } from '@/lib/performance-survey-service'
import {
  WorkReviewApiError,
  getFirstPassReviewSummary,
} from '@/lib/work-review-service'

export const runtime = 'nodejs'
export const dynamic = 'force-dynamic'
export const revalidate = 0

const PRIVATE_HEADERS = {
  'Cache-Control': 'private, no-store, max-age=0',
}

export async function GET() {
  try {
    const session = await getServerSession(authOptions)
    await assertBrandCenterDashboardAccess(session)
    const data = await getFirstPassReviewSummary(session)
    return NextResponse.json({ success: true, data }, { headers: PRIVATE_HEADERS })
  } catch (error) {
    if (error instanceof BrandCenterDashboardAccessError || error instanceof WorkReviewApiError || error instanceof PerformanceSurveyApiError) {
      return NextResponse.json(
        { success: false, error: error.message },
        { status: error.status, headers: PRIVATE_HEADERS },
      )
    }

    console.error('[department-dashboard] 首轮通过指标读取失败:', error)
    return NextResponse.json(
      { success: false, error: '首轮通过指标读取失败，请稍后重试' },
      { status: 500, headers: PRIVATE_HEADERS },
    )
  }
}