import { queryOne, execute } from '../../../utils/db'
import { getCurrentUserId } from '../../../utils/user'

interface StatusBody {
  status: string
}

/**
 * 유지보수 업무 상태 변경
 * PUT /api/maintenance/[id]/status
 */
export default defineEventHandler(async (event) => {
  const taskId = Number(getRouterParam(event, 'id'))
  const body = await readBody<StatusBody>(event)
  const userId = await getCurrentUserId(event)
  
  if (!taskId) {
    throw createError({ statusCode: 400, message: '업무 ID가 필요합니다.' })
  }
  
  const validStatuses = ['PENDING', 'IN_PROGRESS', 'COMPLETED']
  if (!validStatuses.includes(body.status)) {
    throw createError({ statusCode: 400, message: '유효하지 않은 상태입니다.' })
  }
  
  const existing = await queryOne(`
    SELECT task_id FROM wr_maintenance_task WHERE task_id = $1
  `, [taskId])
  
  if (!existing) {
    throw createError({ statusCode: 404, message: '업무를 찾을 수 없습니다.' })
  }
  
  await execute(`
    UPDATE wr_maintenance_task SET
      status = $1,
      updated_at = NOW(),
      updated_by = $2
    WHERE task_id = $3
  `, [body.status, userId, taskId])
  
  return {
    success: true,
    taskId,
    status: body.status,
    message: '상태가 변경되었습니다.'
  }
})