import { queryOne, execute, insertReturning } from '../../../utils/db'
import { requireAuth } from '../../../utils/session'
import { getClientIp } from '../../../utils/ip'

interface ConfirmBody {
  selectedTodos?: Array<{
    agendaNo: number
    todoIndex: number
    title: string
    assignee?: string
  }>
}

/**
 * AI 분석 결과 확정 + TODO 생성
 * POST /api/meeting/[id]/confirm
 */
export default defineEventHandler(async (event) => {
  const employeeId = await requireAuth(event)
  const meetingId = parseInt(event.context.params?.id || '0')
  const body = await readBody<ConfirmBody>(event)
  const ip = getClientIp(event)
  
  if (!meetingId) {
    throw createError({ statusCode: 400, message: '회의록 ID가 필요합니다.' })
  }
  
  // 회의록 조회
  const meeting = await queryOne<any>(`
    SELECT meeting_id, ai_summary, ai_status, project_id
    FROM wr_meeting WHERE meeting_id = $1
  `, [meetingId])
  
  if (!meeting) {
    throw createError({ statusCode: 404, message: '회의록을 찾을 수 없습니다.' })
  }
  
  if (!meeting.ai_summary) {
    throw createError({ statusCode: 400, message: 'AI 분석 결과가 없습니다.' })
  }
  
  const aiResult = typeof meeting.ai_summary === 'string' 
    ? JSON.parse(meeting.ai_summary) 
    : meeting.ai_summary
  
  // 선택된 TODO 생성
  const createdTodos: any[] = []
  
  if (body.selectedTodos && body.selectedTodos.length > 0) {
    for (const todo of body.selectedTodos) {
      const inserted = await insertReturning(`
        INSERT INTO wr_todo (
          source_type, meeting_id, project_id,
          todo_title, todo_description, todo_status,
          author_id, created_at, created_ip
        ) VALUES ('MEETING', $1, $2, $3, $4, 'PENDING', $5, NOW(), $6)
        RETURNING todo_id
      `, [
        meetingId,
        meeting.project_id,
        todo.title,
        `안건 ${todo.agendaNo}에서 추출`,
        employeeId,
        ip
      ])
      createdTodos.push({ todoId: inserted.todo_id, title: todo.title })
    }
  }
  
  // 상태 업데이트
  await execute(`
    UPDATE wr_meeting 
    SET ai_status = 'CONFIRMED', ai_confirmed_at = NOW()
    WHERE meeting_id = $1
  `, [meetingId])
  
  return { 
    success: true, 
    message: `확정 완료. ${createdTodos.length}개의 TODO가 생성되었습니다.`,
    createdTodos 
  }
})