import { clockAccess, clockFailure, clockJson } from '@/lib/clock-api';
import { ClockRepeat, saveClock } from '@/lib/clock';
import { clockPB, clockStore } from '@/lib/clock-store';
export async function POST(request:Request) {
  try {
    const user=await clockAccess(request);if(user instanceof Response)return user;
    if(user.access==='mechanic'||user.access==='office')return Response.json({error:'Mechanics cannot clock in or out.'},{status:403});
    let body:unknown;try{body=await request.json();}catch{return Response.json({error:'Supply valid JSON.'},{status:400});}
    const event=await saveClock(clockStore(await clockPB()),body,user.user.id);
    return clockJson({id:event.id,employeeName:event.employee_name,employeeNo:event.employee_no,direction:event.direction,at:event.scanned_at,sessionMinutes:event.session_minutes});
  }catch(e){
    // A repeat read is not a failure: the scan that counts is already saved, so say which one.
    if(e instanceof ClockRepeat)return Response.json({error:e.message,repeat:{employeeName:e.employeeName,direction:e.last.direction,at:e.last.scanned_at}},{status:409,headers:{'Cache-Control':'no-store'}});
    return clockFailure(e);
  }
}