import logging
import time

import click
from celery import shared_task  # type: ignore

from extensions.ext_database import db
from extensions.ext_storage import storage
from models.dataset import Dataset
from models.model import UploadFile


@shared_task(queue="dataset")
def batch_clean_template_task(template_ids: list[str], dataset_id: str, doc_form: str, file_ids: list[str]):
    """
    Clean template when template deleted.
    :param template_ids: template ids
    :param dataset_id: dataset id
    :param doc_form: doc_form
    :param file_ids: file ids

    Usage: batch_clean_template_task.delay(template_ids, dataset_id)
    """
    logging.info(click.style("Start batch clean templates when templates deleted", fg="green"))
    start_at = time.perf_counter()

    try:
        dataset = db.session.query(Dataset).filter(Dataset.id == dataset_id).first()

        if not dataset:
            raise Exception("template has no dataset")

        if file_ids:
            files = db.session.query(UploadFile).filter(UploadFile.id.in_(file_ids)).all()
            for file in files:
                try:
                    storage.delete(file.key)
                except Exception:
                    logging.exception("Delete file failed when template deleted, file_id: {}".format(file.id))
                db.session.delete(file)
            db.session.commit()

        end_at = time.perf_counter()
        logging.info(
            click.style(
                "Cleaned templates when templates deleted latency: {}".format(end_at - start_at),
                fg="green",
            )
        )
    except Exception:
        logging.exception("Cleaned templates when templates deleted failed")