#!/usr/bin/env python3

from celery.schedules import crontab

# Ensure tasks are loaded
from app import tasks  # noqa: F401 - Imports app/tasks.py so Celery can register tasks

# Import the shared Celery instance
from app.celery_app import celery
from app.config import settings
from app.tasks.backup_tasks import cleanup_old_backups, create_backup  # noqa: F401
from app.tasks.check_credentials import check_credentials
from app.tasks.compute_embedding import backfill_missing_embeddings, compute_document_embedding  # noqa: F401
from app.tasks.convert_to_pdf import convert_to_pdf  # noqa: F401
from app.tasks.convert_to_pdfa import convert_to_pdfa  # noqa: F401
from app.tasks.embed_metadata_into_pdf import embed_metadata_into_pdf  # noqa: F401
from app.tasks.extract_metadata_with_gpt import extract_metadata_with_gpt  # noqa: F401
from app.tasks.finalize_document_storage import finalize_document_storage  # noqa: F401
from app.tasks.imap_tasks import pull_all_inboxes  # noqa: F401
from app.tasks.monitor_stalled_steps import monitor_stalled_steps  # noqa: F401

# **Ensure all tasks are imported before Celery starts**
from app.tasks.process_document import process_document  # noqa: F401
from app.tasks.process_with_azure_document_intelligence import process_with_azure_document_intelligence  # noqa: F401
from app.tasks.process_with_ocr import process_with_ocr  # noqa: F401
from app.tasks.refine_text_with_gpt import refine_text_with_gpt  # noqa: F401
from app.tasks.rotate_pdf_pages import rotate_pdf_pages  # noqa: F401
from app.tasks.send_to_all import send_to_all_destinations  # noqa: F401
from app.tasks.subscription_tasks import apply_pending_subscription_changes_all  # noqa: F401

# Import new send tasks
from app.tasks.upload_to_dropbox import upload_to_dropbox  # noqa: F401
from app.tasks.upload_to_email import upload_to_email  # noqa: F401
from app.tasks.upload_to_ftp import upload_to_ftp  # noqa: F401
from app.tasks.upload_to_google_drive import upload_to_google_drive  # noqa: F401
from app.tasks.upload_to_nextcloud import upload_to_nextcloud  # noqa: F401
from app.tasks.upload_to_onedrive import upload_to_onedrive  # noqa: F401
from app.tasks.upload_to_paperless import upload_to_paperless  # noqa: F401
from app.tasks.upload_to_s3 import upload_to_s3  # noqa: F401
from app.tasks.upload_to_sftp import upload_to_sftp  # noqa: F401
from app.tasks.upload_to_webdav import upload_to_webdav  # noqa: F401
from app.tasks.upload_with_rclone import send_to_all_rclone_destinations, upload_with_rclone  # noqa: F401
from app.tasks.uptime_kuma_tasks import ping_uptime_kuma  # noqa: F401
from app.tasks.watch_folder_tasks import scan_all_watch_folders  # noqa: F401
from app.tasks.webhook_tasks import deliver_webhook_task  # noqa: F401

# Register the settings reload signal handler so workers pick up config changes
from app.utils.settings_sync import register_settings_reload_signal

register_settings_reload_signal()

celery.conf.task_routes = {
    "app.tasks.*": {"queue": "default"},
}


@celery.task
def test_task():
    return "Celery is working!"


# Run the check_credentials task at startup
check_credentials.apply_async(countdown=10)  # Run 10 seconds after worker starts

celery.conf.beat_schedule = {
    "poll-inboxes-every-minute": (
        {
            "task": "app.tasks.imap_tasks.pull_all_inboxes",
            "schedule": crontab(minute="*/1"),  # every 1 minute
            "options": {"expires": 55},  # Ensure tasks don't pile up
        }
        if (settings.imap1_host or settings.imap2_host)
        else None
    ),
    # Add Uptime Kuma ping task if configured
    "ping-uptime-kuma": (
        {
            "task": "app.tasks.uptime_kuma_tasks.ping_uptime_kuma",
            "schedule": crontab(minute=f"*/{settings.uptime_kuma_ping_interval}"),
            "options": {"expires": 55},  # Ensure tasks don't pile up
        }
        if settings.uptime_kuma_url
        else None
    ),
    # Check credentials every 5 minutes
    "check-credentials-regularly": {
        "task": "app.tasks.check_credentials.check_credentials",
        "schedule": crontab(minute="*/5"),  # Every 5 minutes
        "options": {"expires": 240},  # 4 minutes expiry
    },
    # Also keep daily check for logs and statistics purposes
    "check-credentials-daily": {
        "task": "app.tasks.check_credentials.check_credentials",
        "schedule": crontab(hour="0", minute="0"),  # Midnight
        "options": {"expires": 3600},  # 1 hour expiry
    },
    # Monitor for stalled processing steps every minute
    "monitor-stalled-steps": {
        "task": "app.tasks.monitor_stalled_steps.monitor_stalled_steps",
        "schedule": crontab(minute="*/1"),  # Every minute
        "options": {"expires": 55},  # Must complete within 55 seconds
    },
    # Watch folder scanning — polls local paths, FTP, SFTP, and cloud ingest folders.
    # Schedule is controlled by WATCH_FOLDER_POLL_INTERVAL (default: 1 minute).
    "scan-watch-folders": (
        {
            "task": "app.tasks.watch_folder_tasks.scan_all_watch_folders",
            "schedule": crontab(minute=f"*/{max(1, settings.watch_folder_poll_interval)}"),
            "options": {"expires": 55},
        }
        if (
            settings.watch_folders
            or settings.ftp_ingest_enabled
            or settings.sftp_ingest_enabled
            or settings.dropbox_ingest_enabled
            or settings.google_drive_ingest_enabled
            or settings.onedrive_ingest_enabled
            or settings.nextcloud_ingest_enabled
            or settings.s3_ingest_enabled
            or settings.webdav_ingest_enabled
        )
        else None
    ),
    # Backfill embeddings for files that were processed before the
    # embedding pipeline was enabled, or where the embedding task failed.
    "backfill-missing-embeddings": {
        "task": "backfill_missing_embeddings",
        "schedule": crontab(minute="*/5"),  # Every 5 minutes
        "options": {"expires": 240},  # 4 minutes expiry
    },
    # Apply scheduled subscription downgrades daily at 00:05 UTC
    "apply-pending-subscription-changes": {
        "task": "app.tasks.subscription_tasks.apply_pending_subscription_changes_all",
        "schedule": crontab(hour="0", minute="5"),  # 00:05 UTC daily
        "options": {"expires": 3600},
    },
    # ── Database backup tasks ──────────────────────────────────────────────
    # Hourly backup (kept for 4 days)
    "backup-hourly": (
        {
            "task": "app.tasks.backup_tasks.create_backup",
            "schedule": crontab(minute="0"),  # top of every hour
            "kwargs": {"backup_type": "hourly"},
            "options": {"expires": 3300},
        }
        if settings.backup_enabled
        else None
    ),
    # Daily backup (kept for 3 weeks) – runs at 02:30 UTC
    "backup-daily": (
        {
            "task": "app.tasks.backup_tasks.create_backup",
            "schedule": crontab(hour="2", minute="30"),
            "kwargs": {"backup_type": "daily"},
            "options": {"expires": 3600},
        }
        if settings.backup_enabled
        else None
    ),
    # Weekly backup (kept for 13 weeks) – runs every Sunday at 03:00 UTC
    "backup-weekly": (
        {
            "task": "app.tasks.backup_tasks.create_backup",
            "schedule": crontab(hour="3", minute="0", day_of_week="0"),
            "kwargs": {"backup_type": "weekly"},
            "options": {"expires": 3600},
        }
        if settings.backup_enabled
        else None
    ),
}

# Remove None entries from beat_schedule
celery.conf.beat_schedule = {k: v for k, v in celery.conf.beat_schedule.items() if v is not None}