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

/**
 * 유지보수 업무 상세 조회
 * GET /api/maintenance/[id]/detail
 */
export default defineEventHandler(async (event) => {
  const taskId = Number(getRouterParam(event, 'id'))
  
  if (!taskId) {
    throw createError({ statusCode: 400, message: '업무 ID가 필요합니다.' })
  }
  
  const task = await queryOne(`
    SELECT 
      t.*,
      p.project_name,
      p.project_code,
      e1.employee_name as assignee_name,
      e2.employee_name as created_by_name,
      e3.employee_name as updated_by_name
    FROM wr_maintenance_task t
    LEFT JOIN wr_project_info p ON t.project_id = p.project_id
    LEFT JOIN wr_employee_info e1 ON t.assignee_id = e1.employee_id
    LEFT JOIN wr_employee_info e2 ON t.created_by = e2.employee_id
    LEFT JOIN wr_employee_info e3 ON t.updated_by = e3.employee_id
    WHERE t.task_id = $1
  `, [taskId])
  
  if (!task) {
    throw createError({ statusCode: 404, message: '업무를 찾을 수 없습니다.' })
  }
  
  return {
    task: {
      taskId: task.task_id,
      projectId: task.project_id,
      projectName: task.project_name,
      projectCode: task.project_code,
      batchId: task.batch_id,
      requestDate: task.request_date,
      requestTitle: task.request_title,
      requestContent: task.request_content,
      requesterName: task.requester_name,
      requesterContact: task.requester_contact,
      taskType: task.task_type,
      priority: task.priority,
      status: task.status,
      assigneeId: task.assignee_id,
      assigneeName: task.assignee_name,
      devCompletedAt: task.dev_completed_at,
      opsCompletedAt: task.ops_completed_at,
      clientConfirmedAt: task.client_confirmed_at,
      resolutionContent: task.resolution_content,
      weeklyReportId: task.weekly_report_id,
      createdBy: task.created_by,
      createdByName: task.created_by_name,
      updatedBy: task.updated_by,
      updatedByName: task.updated_by_name,
      createdAt: task.created_at,
      updatedAt: task.updated_at
    }
  }
})