#!/usr/bin/env python3
from __future__ import annotations

import argparse
import hashlib
import json
import sys
from pathlib import Path

REPO_ROOT = Path(__file__).resolve().parents[1]
API_ROOT = REPO_ROOT / "apps" / "api"
sys.path.insert(0, str(API_ROOT))

from app.services.case_worksheet_rubric import load_rubric, validate_rubric  # noqa: E402
from app.session_read_model import case_worksheet_template_item_keys  # noqa: E402


def build_parser() -> argparse.ArgumentParser:
    parser = argparse.ArgumentParser(description="Validate the case worksheet rubric scaffold.")
    parser.add_argument(
        "--rubric",
        default=str(REPO_ROOT / "data" / "rubrics" / "case-worksheet-rubric.json"),
    )
    parser.add_argument("--json", action="store_true")
    return parser


def main() -> int:
    args = build_parser().parse_args()
    rubric_path = Path(args.rubric)
    report = validate_rubric(
        load_rubric(rubric_path),
        expected_item_keys=case_worksheet_template_item_keys(),
    )
    content = rubric_path.read_bytes()
    report["rubric_path"] = _display_path(rubric_path)
    report["content_sha256"] = hashlib.sha256(content).hexdigest()
    if args.json:
        print(json.dumps(report, ensure_ascii=False, indent=2, sort_keys=True))
    else:
        status = "PASS" if report["passed"] else "FAIL"
        print(
            f"{status}: {report['rubric_id']} status={report['status']} "
            f"sections={report['sections_total']} items={report['items_total']} "
            f"scoring_enabled={str(report['scoring_enabled']).lower()}"
        )
        for warning in report["warnings"]:
            print(f"WARN: {warning}")
        for error in report["errors"]:
            print(f"ERROR: {error}")
    return 0 if report["passed"] else 1


def _display_path(path: Path) -> str:
    try:
        return path.resolve().relative_to(REPO_ROOT).as_posix()
    except ValueError:
        return str(path)


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