import click

from iti.config import get_config


@click.group()
def iti_cli() -> None:
    """iTi-Flask framework commands."""


@iti_cli.command("config")
@click.option("--env", "env_name", default=None, help="Config environment name.")
def show_config(env_name: str | None) -> None:
    config = get_config(env_name)
    click.echo(f"app_env={config.app_env}")
    click.echo(f"database_url={config.database_url}")
    click.echo(f"health_enabled={config.health_enabled}")
    click.echo(f"ready_check_db={config.ready_check_db}")


@iti_cli.command("routes")
@click.argument("app_import")
def list_routes(app_import: str) -> None:
    app = _load_app(app_import)
    for route in app.routes:
        methods = ",".join(sorted(getattr(route, "methods", []) or []))
        path = getattr(route, "path", "")
        name = getattr(route, "name", "")
        click.echo(f"{methods:20} {path:40} {name}")


def _load_app(app_import: str):
    module_name, _, attr_name = app_import.partition(":")
    if not module_name or not attr_name:
        raise click.ClickException("app import must use module:attribute")
    module = __import__(module_name, fromlist=[attr_name])
    app = getattr(module, attr_name)
    return app() if callable(app) else app