"""Authorized queue inspection and explicit retry, without runtime activation."""
from uuid import uuid4
from fastapi import APIRouter,Depends,HTTPException
from psycopg2.extras import Json
from app.core.auth_dependencies import require_permission
from app.core.config import settings
from .service import transaction

router=APIRouter(prefix='/workflows/runtime')

@router.get('/status')
def status(user=Depends(require_permission('workflows.view'))):
    with transaction() as cursor:
        cursor.execute('SELECT status,count(*) AS count,min(created_at) AS oldest FROM bmc_workflow_events GROUP BY status')
        queues=cursor.fetchall()
        cursor.execute("SELECT id,trigger,entity_type,entity_id,status,attempts,error,created_at FROM bmc_workflow_events WHERE status='failed' ORDER BY created_at DESC LIMIT 50")
        failed=cursor.fetchall()
    return {'enabled':settings.WORKFLOWS_ENABLED,'mode':settings.WORKFLOWS_MODE,
            'customer_ids':settings.WORKFLOWS_CUSTOMER_IDS,'internal_enabled':settings.WORKFLOWS_INTERNAL_ENABLED,
            'ai_enabled':settings.WORKFLOW_AI_ENABLED,'queues':queues,'failed':failed}

@router.post('/events/{event_id}/retry')
def retry(event_id:str,user=Depends(require_permission('workflows.manage'))):
    if not settings.WORKFLOWS_ENABLED:
        raise HTTPException(409,'Workflowmotoren er slukket')
    with transaction() as cursor:
        cursor.execute('SELECT * FROM bmc_workflow_events WHERE id=%s FOR UPDATE',(event_id,))
        previous=cursor.fetchone()
        if not previous:raise HTTPException(404,'Hændelsen findes ikke')
        if previous['status']!='failed':raise HTTPException(409,'Kun fejlede hændelser kan genforsøges')
        new_id=str(uuid4())
        context=dict(previous['context'],retry_of=previous['id'],retry_by=user['id'])
        cursor.execute('''INSERT INTO bmc_workflow_events(id,event_key,trigger,entity_type,entity_id,revision,context,chain)
            VALUES(%s,%s,%s,%s,%s,%s,%s,%s)''',(new_id,'retry:'+previous['id']+':'+new_id,previous['trigger'],previous['entity_type'],previous['entity_id'],previous['revision'],Json(context),Json(previous['chain'])))
        return {'event_id':new_id,'retry_of':previous['id']}