"""Flask CLI entry point.

Used as `flask --app app.cli metamorph <subcommand>` (or via the make targets).
"""

from __future__ import annotations

import sys

import click
from flask import Flask
from flask.cli import AppGroup

from app.core.install_token import (
    ensure_install_token,
    log_install_token_banner,
    regenerate_install_token,
)
from app.core.logging import configure_logging
from app.services.bootstrap import ensure_system_groups
from app.core.config import settings


def _create_cli_app() -> Flask:
    configure_logging(settings.LOG_LEVEL)
    return Flask("metamorph-cli")


app = _create_cli_app()
metamorph = AppGroup("metamorph", help="Metamorph admin commands.")


@metamorph.command("print-install-token")
@click.option(
    "--force",
    is_flag=True,
    help="Always mint a fresh token even if one is already pending.",
)
def print_install_token(force: bool):
    """Mint and print the bootstrap install token (idempotent unless --force)."""
    ensure_system_groups()
    if force:
        token = regenerate_install_token()
    else:
        token = ensure_install_token()

    if token is None:
        click.echo(
            "No install token minted: either at least one user already exists, "
            "or a token is already pending (use --force to mint a fresh one).",
            err=True,
        )
        sys.exit(1)

    log_install_token_banner(token)


@metamorph.command("seed-mitre")
def seed_mitre():
    """Placeholder for M4 — left so `make seed-mitre` doesn't crash."""
    click.echo("MITRE seeding will land in M4. (no-op for now)", err=True)
    sys.exit(0)


app.cli.add_command(metamorph)