import json
import unittest
from pathlib import Path

import generate_delta_kinematics_report

ROOT = Path(__file__).resolve().parents[1]


class DeltaKinematicsReportTests(unittest.TestCase):
    def test_contract(self):
        report = json.loads((ROOT / "coverage/delta-kinematics.report.json").read_text(encoding="utf-8"))
        self.assertEqual(report["schema"], "delta-kinematics-report.v1")
        self.assertEqual(report["implementation_status"], "verified")
        self.assertEqual(report["native_wasm"]["status"], "passed")
        self.assertTrue(report["samples"]["byte_identical_json"])
        self.assertTrue(report["samples"]["state_hash_identical"])
        self.assertEqual(report["oracle"]["status"], "blocked")
        self.assertEqual(report["configuration_candidate_count"], 4)
        self.assertIn("linear_cc", report["source_records"])
        self.assertIn("rotary_cc", report["source_records"])
        self.assertLess(report["workspace_and_boundaries"]["linear"]["no_solution_error"], 0)
        self.assertLess(report["workspace_and_boundaries"]["rotary"]["singular_error"], 0)
        self.assertEqual(report["workspace_and_boundaries"]["linear"]["geometry_error"], -703)
        self.assertEqual(report["workspace_and_boundaries"]["rotary"]["geometry_error"], -703)

    def test_deterministic(self):
        first = ROOT / "coverage/.delta-one.json"
        second = ROOT / "coverage/.delta-two.json"
        try:
            self.assertEqual(generate_delta_kinematics_report.generate(ROOT, first), generate_delta_kinematics_report.generate(ROOT, second))
        finally:
            first.unlink(missing_ok=True)
            second.unlink(missing_ok=True)


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