#!/usr/bin/env python3
"""Validate OpenRouter auth through the user-filtered models endpoint."""

from __future__ import annotations

import os
import sys
from pathlib import Path

import httpx
from dotenv import load_dotenv


def main() -> int:
    project_dir = Path(__file__).resolve().parents[1]
    load_dotenv(project_dir / ".env", override=True)
    api_key = os.getenv("OPENROUTER_API_KEY", "").strip()
    base_url = os.getenv("OPENROUTER_BASE_URL", "https://openrouter.ai/api/v1").rstrip("/")
    if not api_key:
        print("OpenRouter key: MISSING", file=sys.stderr)
        return 2

    try:
        response = httpx.get(
            f"{base_url}/models/user",
            headers={"Authorization": f"Bearer {api_key}"},
            timeout=30,
        )
    except httpx.HTTPError as exc:
        print(f"OpenRouter key check: NETWORK ERROR ({type(exc).__name__})", file=sys.stderr)
        return 3

    if response.status_code == 200:
        data = response.json().get("data") or []
        model_ids = {str(item.get("id") or "") for item in data}
        configured_model = os.getenv("CODEX_MODEL", "").strip()
        print("OpenRouter key: VALID")
        print(f"User-visible models: {len(model_ids)}")
        if configured_model:
            print(f"Configured model available: {configured_model in model_ids} ({configured_model})")
        return 0

    message = "unknown error"
    try:
        payload = response.json()
        error = payload.get("error") or payload.get("message") or {}
        message = error.get("message", "unknown error") if isinstance(error, dict) else str(error)
    except ValueError:
        pass
    print(f"OpenRouter key: INVALID (HTTP {response.status_code}: {message[:200]})", file=sys.stderr)
    return 1


if __name__ == "__main__":
    raise SystemExit(main())