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

/**
 * 개선의견 수정
 * PUT /api/feedback/[id]/update
 */
export default defineEventHandler(async (event) => {
  const userId = getCookie(event, 'user_id')
  if (!userId) {
    throw createError({ statusCode: 401, message: '로그인이 필요합니다.' })
  }
  
  const feedbackId = getRouterParam(event, 'id')
  if (!feedbackId) {
    throw createError({ statusCode: 400, message: '피드백 ID가 필요합니다.' })
  }
  
  // 본인 확인
  const feedback = await query<any>(`
    SELECT author_id FROM wr_feedback WHERE feedback_id = $1
  `, [feedbackId])
  
  if (!feedback[0]) {
    throw createError({ statusCode: 404, message: '의견을 찾을 수 없습니다.' })
  }
  
  if (feedback[0].author_id !== parseInt(userId)) {
    throw createError({ statusCode: 403, message: '본인의 의견만 수정할 수 있습니다.' })
  }
  
  const body = await readBody<{
    category?: string
    content?: string
  }>(event)
  
  if (!body.content?.trim()) {
    throw createError({ statusCode: 400, message: '내용을 입력해주세요.' })
  }
  
  const validCategories = ['FEATURE', 'UI', 'BUG', 'ETC']
  if (body.category && !validCategories.includes(body.category)) {
    throw createError({ statusCode: 400, message: '올바른 카테고리를 선택해주세요.' })
  }
  
  await execute(`
    UPDATE wr_feedback 
    SET category = COALESCE($1, category),
        content = $2,
        updated_at = NOW()
    WHERE feedback_id = $3
  `, [body.category, body.content.trim(), feedbackId])
  
  return {
    success: true,
    message: '수정되었습니다.'
  }
})