from __future__ import annotations

import argparse
import json
import sys
from pathlib import Path
from typing import Any

import httpx
import yaml


def fetch_object_info(base_url: str, timeout_s: float = 5.0) -> dict[str, Any]:
    url = base_url.rstrip("/") + "/object_info"
    with httpx.Client(timeout=timeout_s) as client:
        r = client.get(url)
        r.raise_for_status()
        data = r.json()
        if not isinstance(data, dict):
            raise RuntimeError(f"Unexpected object_info type: {type(data)}")
        return data


def read_base_url_from_config(config_path: str) -> str | None:
    p = Path(config_path)
    if not p.exists():
        return None
    try:
        raw = yaml.safe_load(p.read_text(encoding="utf-8"))
    except Exception:
        return None
    if not isinstance(raw, dict):
        return None
    app = raw.get("app")
    if not isinstance(app, dict):
        return None
    v = app.get("comfy_base_url")
    if isinstance(v, str) and v.strip():
        return v.strip()
    return None


def main() -> int:
    parser = argparse.ArgumentParser(description="Check ComfyUI API connectivity")
    parser.add_argument(
        "--base-url",
        default="",
        help="ComfyUI base URL (if empty, read from config app.comfy_base_url)",
    )
    parser.add_argument("--config", default="./configs/config.yaml", help="Config yaml path")
    parser.add_argument("--timeout", type=float, default=5.0, help="Request timeout seconds")
    parser.add_argument("--pretty", action="store_true", help="Pretty print JSON")
    args = parser.parse_args()

    try:
        base_url = args.base_url.strip() or read_base_url_from_config(args.config) or "http://127.0.0.1:8188"
        data = fetch_object_info(base_url, timeout_s=args.timeout)
        out = json.dumps(data, ensure_ascii=False, indent=2 if args.pretty else None)
        sys.stdout.write(out + "\n")
        return 0
    except Exception as e:
        sys.stderr.write(f"[check_comfy] ERROR: {e}\n")
        return 2


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