from __future__ import annotations

import re

from sqlmodel import Session, select

from ..db.models import App


_APPOPS_ROLLBACK_ID = re.compile(
    r'^unraid_appops_gateway(?:_1216)?_pre_\d{8}t\d{6}z$',
    re.IGNORECASE,
)


def is_appops_deployment_container_name(value: str | None) -> bool:
    key = str(value or '').strip().lower().replace('_', '-')
    return key in {'unraid-appops-gateway', 'unraid-appops-gateway-1216'} or bool(
        re.fullmatch(r'unraid-appops-gateway(?:-1216)?-pre-\d{8}t\d{6}z', key)
    )


def is_historical_app_record(app: App) -> bool:
    """Keep deployment history out of active product views without deleting it."""
    return bool(_APPOPS_ROLLBACK_ID.fullmatch(str(app.id or '').strip()))


def category_label(value: str | None) -> str:
    words = str(value or 'Unknown').strip().replace('_', ' ').replace('-', ' ').title()
    replacements = {'Ai': 'AI', 'Api': 'API', 'It': 'IT'}
    return ' '.join(replacements.get(word, word) for word in words.split()) or 'Unknown'


def list_active_apps(session: Session, *, order_by: str = 'name') -> list[App]:
    apps = [app for app in session.exec(select(App)).all() if not is_historical_app_record(app)]

    # A port-specific canonical record supersedes the old unqualified 1211 record.
    if any(app.id == 'unraid_appops_gateway_1216' for app in apps):
        apps = [app for app in apps if app.id != 'unraid_appops_gateway']

    key = (lambda app: app.id.lower()) if order_by == 'id' else (lambda app: app.name.lower())
    return sorted(apps, key=key)