import { query } from '../../utils/db'

/**
 * 사업 주간보고 목록 조회
 * GET /api/business-report/list
 */
export default defineEventHandler(async (event) => {
  const params = getQuery(event)
  const businessId = params.businessId ? Number(params.businessId) : null
  const year = params.year ? Number(params.year) : new Date().getFullYear()
  
  let sql = `
    SELECT 
      br.*,
      b.business_name,
      e.employee_name as created_by_name
    FROM wr_business_weekly_report br
    JOIN wr_business b ON br.business_id = b.business_id
    LEFT JOIN wr_employee_info e ON br.created_by = e.employee_id
    WHERE br.report_year = $1
  `
  const queryParams: any[] = [year]
  let paramIndex = 2
  
  if (businessId) {
    sql += ` AND br.business_id = $${paramIndex++}`
    queryParams.push(businessId)
  }
  
  sql += ' ORDER BY br.report_week DESC, br.business_id'
  
  const reports = await query(sql, queryParams)
  
  return {
    reports: reports.map((r: any) => ({
      businessReportId: r.business_report_id,
      businessId: r.business_id,
      businessName: r.business_name,
      reportYear: r.report_year,
      reportWeek: r.report_week,
      weekStartDate: r.week_start_date,
      weekEndDate: r.week_end_date,
      aiSummary: r.ai_summary,
      manualSummary: r.manual_summary,
      status: r.status,
      createdByName: r.created_by_name,
      createdAt: r.created_at,
      updatedAt: r.updated_at
    }))
  }
})