from __future__ import annotations

from pathlib import Path

import typer
from rich.console import Console

from skylattice.commands import discover_cmd
from skylattice.core.paths import find_customer_root, load_yaml

console = Console()


def run(
    path: Path | None = typer.Option(None, "--path"),
    inventory: Path | None = typer.Option(None, "--inventory"),
) -> None:
    """Re-discover and highlight drift vs last apply / intent."""
    customer_root = path.resolve() if path else find_customer_root()
    discover_cmd.run(path=customer_root, inventory=inventory)

    report_path = customer_root / "observed" / "discover-latest.yaml"
    if not report_path.exists():
        raise typer.Exit(1)
    report = load_yaml(report_path)
    drifted = [o for o in report.get("objects") or [] if o.get("classification") in ("drifted_managed", "unmanaged_live")]
    missing = [o for o in report.get("objects") or [] if o.get("classification") == "blueprint_match"]

    console.print(f"[bold]Drift summary[/bold]: unmanaged_or_drifted={len(drifted)} desired_missing_live={len(missing)}")
    for o in drifted[:20]:
        console.print(f"  ! {o.get('classification')} {o.get('kind')}:{o.get('name')}")
    for o in missing[:20]:
        console.print(f"  + desired not in inventory: {o.get('kind')}:{o.get('name')}")