#!/usr/bin/env python3
"""Validate every tracked DeepSeek review receipt against its JSON Schema.

Usage (CI or local):
    python3 scripts/math-first/validate_deepseek_receipts.py

Exits 0 if every receipt under shared-data/artifacts/deepseek_review/
matches shared-data/schemas/deepseek-review-receipt.schema.json, or if
no receipts exist yet.  Exits 1 on any validation failure.
"""

from __future__ import annotations

import json
import sys
from pathlib import Path

try:
    from jsonschema import Draft202012Validator
except ImportError:
    print("SKIP: jsonschema not installed (pip install 'jsonschema>=4.21')")
    sys.exit(0)

REPO_ROOT = Path(__file__).resolve().parents[2]
SCHEMA_PATH = REPO_ROOT / "shared-data" / "schemas" / "deepseek-review-receipt.schema.json"
RECEIPTS_DIR = REPO_ROOT / "shared-data" / "artifacts" / "deepseek_review"


def main() -> int:
    if not SCHEMA_PATH.exists():
        print(f"SKIP: schema not found at {SCHEMA_PATH}")
        return 0

    schema = json.loads(SCHEMA_PATH.read_text())
    validator = Draft202012Validator(schema)

    receipts = sorted(RECEIPTS_DIR.glob("*.receipt.json")) if RECEIPTS_DIR.exists() else []
    if not receipts:
        print("No receipts to validate")
        return 0

    failures = 0
    for path in receipts:
        try:
            data = json.loads(path.read_text())
        except json.JSONDecodeError as exc:
            print(f"FAIL {path.relative_to(REPO_ROOT)}: invalid JSON — {exc}")
            failures += 1
            continue

        errors = list(validator.iter_errors(data))
        if errors:
            print(f"FAIL {path.relative_to(REPO_ROOT)}:")
            for err in errors:
                print(f"      {err.json_path}: {err.message}")
            failures += 1
        else:
            print(f"OK   {path.relative_to(REPO_ROOT)}")

    if failures:
        print(f"\n{failures} receipt(s) failed validation", file=sys.stderr)
        return 1

    print(f"\n{len(receipts)} receipt(s) validated OK")
    return 0


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