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

interface UpdateBusinessBody {
  businessName: string
  businessCode?: string
  clientName?: string
  contractStartDate?: string
  contractEndDate?: string
  businessStatus?: string
  description?: string
}

/**
 * 사업 수정
 * PUT /api/business/[id]/update
 */
export default defineEventHandler(async (event) => {
  const businessId = Number(getRouterParam(event, 'id'))
  const body = await readBody<UpdateBusinessBody>(event)
  const userId = await getCurrentUserId(event)
  
  if (!businessId) {
    throw createError({ statusCode: 400, message: '사업 ID가 필요합니다.' })
  }
  
  if (!body.businessName) {
    throw createError({ statusCode: 400, message: '사업명은 필수입니다.' })
  }
  
  const existing = await queryOne(`
    SELECT business_id FROM wr_business WHERE business_id = $1
  `, [businessId])
  
  if (!existing) {
    throw createError({ statusCode: 404, message: '사업을 찾을 수 없습니다.' })
  }
  
  await execute(`
    UPDATE wr_business SET
      business_name = $1,
      business_code = $2,
      client_name = $3,
      contract_start_date = $4,
      contract_end_date = $5,
      business_status = $6,
      description = $7,
      updated_at = NOW(),
      updated_by = $8
    WHERE business_id = $9
  `, [
    body.businessName,
    body.businessCode || null,
    body.clientName || null,
    body.contractStartDate || null,
    body.contractEndDate || null,
    body.businessStatus || 'active',
    body.description || null,
    userId,
    businessId
  ])
  
  return {
    success: true,
    businessId,
    message: '사업이 수정되었습니다.'
  }
})