#!/usr/bin/env python3
"""Contract tests for the PANEL-01 source/control inventory."""

from __future__ import annotations

import hashlib
import json
import unittest
from pathlib import Path

import generate_panel_01_source_control_inventory as generator


ROOT = Path(__file__).resolve().parents[1]
REPORT = ROOT / "coverage/panel-01-source-control-inventory.report.json"


class Panel01SourceControlInventoryTests(unittest.TestCase):
    @classmethod
    def setUpClass(cls) -> None:
        cls.report = json.loads(REPORT.read_text(encoding="utf-8"))

    def test_scope_and_source_inventory(self) -> None:
        report = self.report
        self.assertEqual(report["schema"], "panel-01-source-control-inventory.v1")
        self.assertEqual(report["task_id"], "PANEL-01-SOURCE-CONTROL-INVENTORY")
        self.assertEqual(report["context_id"], generator.CONTEXT_ID)
        self.assertEqual(report["case"]["path"], generator.CASE_PATH)
        self.assertEqual(report["inventory_status"], "verified")
        self.assertTrue(all(row["status"] == "indexed" for row in report["source"]))
        self.assertGreaterEqual(report["counts"]["menus"], 40)
        self.assertGreaterEqual(report["counts"]["toolbar"], 15)
        self.assertGreaterEqual(report["counts"]["shortcuts"], 20)
        self.assertEqual({row["panel"] for row in report["controls"]["panels"]}, {"MANUAL", "MDI", "AUTO", "DRO", "DIAGNOSTICS"})

    def test_control_ids_have_source_evidence_and_are_unique(self) -> None:
        controls = report_controls = self.report["controls"]["control_id_contract"]
        ids = [row["control_id"] for row in controls]
        self.assertEqual(len(ids), len(set(ids)))
        self.assertTrue(all(row.get("source") for row in controls))
        self.assertTrue(all(row["control_id"].startswith("AXIS-") for row in controls))

    def test_missing_mapping_is_explicitly_blocked(self) -> None:
        report = self.report
        self.assertEqual(report["status"], "blocked")
        self.assertGreater(report["counts"]["mapping_gaps"], 0)
        self.assertGreaterEqual(len(report["failure_samples"]), 3)
        self.assertIn("SOURCE_CONTROL_MAPPING_BLOCKED", report["stop_reason"])

    def test_self_hash(self) -> None:
        unsigned = {key: value for key, value in self.report.items() if key != "report_sha256"}
        expected = hashlib.sha256(generator.canonical(unsigned).encode("utf-8")).hexdigest()
        self.assertEqual(self.report["report_sha256"], expected)


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