import { defineEventHandler, getQuery, createError, getCookie } from 'h3'
import { query } from '../../../utils/db'

export default defineEventHandler(async (event) => {
  const userId = getCookie(event, 'user_id')
  
  if (!userId) {
    throw createError({ statusCode: 401, message: '로그인이 필요합니다.' })
  }
  
  const { year, week } = getQuery(event)
  
  if (!year || !week) {
    throw createError({ statusCode: 400, message: '연도와 주차를 지정해주세요.' })
  }
  
  // 해당 주차에 제출된 보고서가 있는 프로젝트 목록
  const projects = await query(`
    SELECT 
      p.project_id,
      p.project_code,
      p.project_name,
      COUNT(DISTINCT r.report_id) as report_count
    FROM wr_weekly_report r
    JOIN wr_weekly_report_task t ON r.report_id = t.report_id
    JOIN wr_project_info p ON t.project_id = p.project_id
    WHERE r.report_year = $1 
      AND r.report_week = $2
      AND r.report_status IN ('SUBMITTED', 'AGGREGATED')
    GROUP BY p.project_id, p.project_code, p.project_name
    ORDER BY p.project_name
  `, [Number(year), Number(week)])
  
  return {
    projects: projects.map((p: any) => ({
      projectId: p.project_id,
      projectCode: p.project_code,
      projectName: p.project_name,
      reportCount: parseInt(p.report_count)
    }))
  }
})