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

interface LoginBody {
  email: string
  name: string
}

/**
 * 이메일+이름 로그인 (임시)
 * POST /api/auth/login
 */
export default defineEventHandler(async (event) => {
  const body = await readBody<LoginBody>(event)
  
  if (!body.email || !body.name) {
    throw createError({ statusCode: 400, message: '이메일과 이름을 입력해주세요.' })
  }
  
  // 이메일 형식 검증
  const emailRegex = /^[^\s@]+@[^\s@]+\.[^\s@]+$/
  if (!emailRegex.test(body.email)) {
    throw createError({ statusCode: 400, message: '올바른 이메일 형식이 아닙니다.' })
  }
  
  // 기존 사원 조회
  let employee = await query<any>(`
    SELECT * FROM wr_employee_info WHERE employee_email = $1
  `, [body.email.toLowerCase()])
  
  let employeeData = employee[0]
  
  // 없으면 자동 등록
  if (!employeeData) {
    employeeData = await insertReturning(`
      INSERT INTO wr_employee_info (employee_name, employee_email)
      VALUES ($1, $2)
      RETURNING *
    `, [body.name, body.email.toLowerCase()])
  }
  
  // 로그인 이력 추가
  await execute(`
    INSERT INTO wr_login_history (employee_id) VALUES ($1)
  `, [employeeData.employee_id])
  
  // 쿠키에 사용자 정보 저장 (간단한 임시 세션)
  setCookie(event, 'user_id', String(employeeData.employee_id), {
    httpOnly: true,
    maxAge: 60 * 60 * 24 * 7, // 7일
    path: '/'
  })
  
  return {
    success: true,
    user: {
      employeeId: employeeData.employee_id,
      employeeName: employeeData.employee_name,
      employeeEmail: employeeData.employee_email,
      employeePosition: employeeData.employee_position
    }
  }
})