import asyncio
import io
import os

from celery import Celery
from celery.schedules import crontab
from fastapi import UploadFile
from models.files import File
from models.settings import get_supabase_client
from modules.notification.dto.inputs import NotificationUpdatableProperties
from modules.notification.entity.notification import NotificationsStatusEnum
from modules.notification.service.notification_service import NotificationService
from modules.onboarding.service.onboarding_service import OnboardingService
from packages.files.crawl.crawler import CrawlWebsite
from packages.files.parsers.github import process_github
from packages.files.processors import filter_file
from repository.brain.update_brain_last_update_time import update_brain_last_update_time

CELERY_BROKER_URL = os.getenv("CELERY_BROKER_URL", "")
CELEBRY_BROKER_QUEUE_NAME = os.getenv("CELEBRY_BROKER_QUEUE_NAME", "quivr")

onboardingService = OnboardingService()
notification_service = NotificationService()

if CELERY_BROKER_URL.startswith("sqs"):
    broker_transport_options = {
        CELEBRY_BROKER_QUEUE_NAME: {
            "my-q": {
                "url": CELERY_BROKER_URL,
            }
        }
    }
    celery = Celery(
        __name__,
        broker=CELERY_BROKER_URL,
        task_serializer="json",
        task_concurrency=4,
        worker_prefetch_multiplier=1,
        broker_transport_options=broker_transport_options,
    )
    celery.conf.task_default_queue = CELEBRY_BROKER_QUEUE_NAME
elif CELERY_BROKER_URL.startswith("redis"):
    celery = Celery(
        __name__,
        broker=CELERY_BROKER_URL,
        backend=CELERY_BROKER_URL,
        task_concurrency=4,
        worker_prefetch_multiplier=1,
        task_serializer="json",
    )
else:
    raise ValueError(f"Unsupported broker URL: {CELERY_BROKER_URL}")


@celery.task(name="process_file_and_notify")
def process_file_and_notify(
    file_name: str,
    file_original_name: str,
    brain_id,
    notification_id=None,
):
    try:
        supabase_client = get_supabase_client()
        tmp_file_name = "tmp-file-" + file_name
        tmp_file_name = tmp_file_name.replace("/", "_")

        with open(tmp_file_name, "wb+") as f:
            res = supabase_client.storage.from_("quivr").download(file_name)
            f.write(res)
            f.seek(0)
            file_content = f.read()

            upload_file = UploadFile(
                file=f, filename=file_name.split("/")[-1], size=len(file_content)
            )

            file_instance = File(file=upload_file)
            loop = asyncio.get_event_loop()
            message = loop.run_until_complete(
                filter_file(
                    file=file_instance,
                    brain_id=brain_id,
                    original_file_name=file_original_name,
                )
            )

            f.close()
            os.remove(tmp_file_name)

            if notification_id:
                notification_message = {
                    "status": message["type"],
                    "message": message["message"],
                    "name": file_instance.file.filename if file_instance.file else "",
                }
                notification_service.update_notification_by_id(
                    notification_id,
                    NotificationUpdatableProperties(
                        status=NotificationsStatusEnum.Done,
                        message=str(notification_message),
                    ),
                )
            update_brain_last_update_time(brain_id)

            return True
    except Exception as e:
        notification_message = {
            "status": "error",
            "message": "There was an error uploading the file. Please check the file and try again. If the issue persist, please open an issue on Github",
            "name": file_instance.file.filename if file_instance.file else "",
        }
        notification_service.update_notification_by_id(
            notification_id,
            NotificationUpdatableProperties(
                status=NotificationsStatusEnum.Done,
                message=str(notification_message),
            ),
        )
        raise e


@celery.task(name="process_crawl_and_notify")
def process_crawl_and_notify(
    crawl_website_url,
    brain_id,
    notification_id=None,
):
    crawl_website = CrawlWebsite(url=crawl_website_url)

    if not crawl_website.checkGithub():
        file_path, file_name = crawl_website.process()

        with open(file_path, "rb") as f:
            file_content = f.read()

        # Create a file-like object in memory using BytesIO
        file_object = io.BytesIO(file_content)
        upload_file = UploadFile(
            file=file_object, filename=file_name, size=len(file_content)
        )
        file_instance = File(file=upload_file)

        loop = asyncio.get_event_loop()
        message = loop.run_until_complete(
            filter_file(
                file=file_instance,
                brain_id=brain_id,
                original_file_name=crawl_website_url,
            )
        )
    else:
        loop = asyncio.get_event_loop()
        message = loop.run_until_complete(
            process_github(
                repo=crawl_website.url,
                brain_id=brain_id,
            )
        )

    if notification_id:
        notification_message = {
            "status": message["type"],
            "message": message["message"],
            "name": crawl_website_url,
        }
        notification_service.update_notification_by_id(
            notification_id,
            NotificationUpdatableProperties(
                status=NotificationsStatusEnum.Done,
                message=str(notification_message),
            ),
        )
    update_brain_last_update_time(brain_id)
    return True


@celery.task
def remove_onboarding_more_than_x_days_task():
    onboardingService.remove_onboarding_more_than_x_days(7)


celery.conf.beat_schedule = {
    "remove_onboarding_more_than_x_days_task": {
        "task": f"{__name__}.remove_onboarding_more_than_x_days_task",
        "schedule": crontab(minute="0", hour="0"),
    },
}