#!/usr/bin/env python3
import hashlib
import json
import unittest
from pathlib import Path

import generate_axis3_tutorial_resource_graph

ROOT = Path(__file__).resolve().parents[1]
REPORT = ROOT / "coverage/axis3-tutorial-resource-graph.report.json"


class Axis3TutorialResourceGraphTests(unittest.TestCase):
    def test_contract(self) -> None:
        report = json.loads(REPORT.read_text(encoding="utf-8"))
        self.assertEqual(report["schema"], "axis3-tutorial-resource-graph.v1")
        self.assertEqual(report["task_id"], "TUTORIAL-01")
        self.assertEqual(report["status"], "verified")
        self.assertEqual(len(report["source_files"]), 10)
        self.assertEqual(report["capabilities"]["./3axis-tutorial"], "WEB-EQUIV")
        self.assertEqual(report["shared_assets"][0]["resolved_path"], "linuxcnc/linuxcnc.gif")
        self.assertTrue(any(row["key"] == "PARAMETER_FILE" for row in report["ini_entries"]))
        self.assertTrue(any(row["command"] == "loadusr" for row in report["hal_entries"]))
        self.assertEqual(report["vismach_python"]["component"], ["3axis-tutorial"])
        self.assertEqual({pin["name"] for pin in report["vismach_python"]["pins"]}, {"jointX", "jointY", "jointZ", "toollength", "tooldiameter"})

    def test_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"}
        expected = hashlib.sha256(json.dumps(unsigned, ensure_ascii=False, sort_keys=True, separators=(",", ":")).encode()).hexdigest()
        self.assertEqual(report["report_sha256"], expected)


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