#!/usr/bin/env python3
"""Validate railiance/app.toml against the railiance.app.v1 schema."""

from __future__ import annotations

import json
import sys
import tomllib
from pathlib import Path

ROOT = Path(__file__).resolve().parents[1]
CONTRACT = ROOT / "railiance" / "app.toml"
SCHEMA_CANDIDATES = [
    Path.home() / "railiance-bootstrap" / "schemas" / "railiance-app.schema.json",
    Path.home() / "railiance-cluster" / "schemas" / "railiance-app.schema.json",
]


def main() -> int:
    schema_path = next((path for path in SCHEMA_CANDIDATES if path.exists()), None)
    if schema_path is None:
        print("railiance-app.schema.json not found in railiance-bootstrap or railiance-cluster", file=sys.stderr)
        return 1
    try:
        import jsonschema
    except ImportError:
        print("python3-jsonschema is required to validate railiance/app.toml", file=sys.stderr)
        return 1

    document = tomllib.loads(CONTRACT.read_text())
    schema = json.loads(schema_path.read_text())
    jsonschema.validate(document, schema)
    print(f"valid {CONTRACT.relative_to(ROOT)} against {schema_path}")
    return 0


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