#!/usr/bin/env python3
"""Validate the generated configs/sim catalog identity and status coverage."""

from __future__ import annotations

import re
import json
import hashlib
import unittest
from pathlib import Path


ROOT = Path(__file__).resolve().parents[1]
CATALOG = ROOT / "web/workspace/sim-case-catalog.mjs"
REPORT = ROOT / "coverage/sim-case-catalog.report.json"


class SimCaseCatalogTests(unittest.TestCase):
    def test_generated_catalog_shape(self) -> None:
        text = CATALOG.read_text(encoding="utf-8")
        self.assertIn('SIM_CASE_CATALOG_SCHEMA = "linuxcnc-sim-case-catalog.v1"', text)
        self.assertRegex(text, r"SIM_CASE_CATALOG = Object\.freeze\(\[")
        self.assertRegex(text, r"SIM_FILE_INDEX = Object\.freeze\(\[")
        self.assertIn("linuxcnc/configs/sim/axis/minimal_xyz.ini", text)
        self.assertIn("linuxcnc/configs/sim/axis/corexy/corexy_by_hal.ini", text)
        self.assertIn("linuxcnc/lib/hallib/basic_sim.tcl", text)
        self.assertIn("linuxcnc/linuxcnc.gif", text)

    def test_catalog_case_count(self) -> None:
        text = CATALOG.read_text(encoding="utf-8")
        count = int(re.search(r'"case_count":(\d+)', text).group(1))
        file_count = int(re.search(r'"file_count":(\d+)', text).group(1))
        self.assertEqual(count, 235)
        self.assertGreater(file_count, count)

    def test_report_self_hash(self) -> None:
        report = json.loads(REPORT.read_text(encoding="utf-8"))
        unsigned = {key: value for key, value in report.items() if key != "report_sha256"}
        canonical = json.dumps(unsigned, ensure_ascii=False, sort_keys=True, separators=(",", ":"))
        self.assertEqual(report["report_sha256"], hashlib.sha256(canonical.encode("utf-8")).hexdigest())
        self.assertEqual(report["status"], "verified")


if __name__ == "__main__":
    unittest.main()