import json
import sys
import unittest
from pathlib import Path

sys.path.insert(0, str(Path(__file__).resolve().parent))

from generate_release_closure import generate


ROOT = Path(__file__).resolve().parents[1]
REPORT = ROOT / "coverage/license-closure.report.json"
INDEX = ROOT / "coverage/license-source-index.jsonl"
DECISION = ROOT / "docs/linuxcnc-web-wasm-license-decision.md"


class LicenseSourceClosureTests(unittest.TestCase):
    def test_entry_closure_contract_and_explicit_implementation_blocker(self):
        report = json.loads(REPORT.read_text(encoding="utf-8"))
        self.assertEqual(report["schema"], "release-license-closure.v1")
        self.assertEqual(report["status"], "blocked")
        self.assertEqual(report["entry_closure"]["entries"], 8053)
        self.assertEqual(report["entry_closure"]["source_hash_status"], {"verified": 8053})
        self.assertEqual(report["entry_closure"]["owner_status"], {"assigned": 8053})
        self.assertEqual(report["entry_closure"]["license_status"], {"blocked_unassigned": 57, "scoped_declared": 7996})
        self.assertTrue(report["entry_closure"]["all_entries_have_owner"])
        self.assertTrue(report["entry_closure"]["all_entries_have_evidence_status"])
        self.assertEqual(report["upstream_declarations"]["matched_entries"], 7996)
        self.assertEqual(report["implementation_license"]["entries"], 57)
        self.assertEqual(report["implementation_license"]["decision"], "unassigned_and_blocked")
        self.assertEqual(report["blockers"], ["wasm_web_license_not_declared"])
        self.assertTrue(DECISION.is_file())

    def test_index_is_complete_and_deterministic(self):
        rows = [json.loads(line) for line in INDEX.read_text(encoding="utf-8").splitlines() if line.strip()]
        self.assertEqual(len(rows), 8053)
        self.assertEqual(len({row["id"] for row in rows}), 8053)
        self.assertEqual(rows, sorted(rows, key=lambda row: row["id"]))
        self.assertTrue(all(row["source_hash_status"] == "verified" for row in rows))
        self.assertTrue(all(row["owner"] and row["evidence_status"] == "complete" for row in rows))
        self.assertEqual(sum(row["closure_status"] == "verified_scoped" for row in rows), 7996)
        self.assertEqual(sum(row["license_status"] == "blocked_unassigned" for row in rows), 57)
        self.assertTrue(all(row["license_spdx"] for row in rows if row["source_root"] == "linuxcnc"))
        self.assertTrue(all(row["license_spdx"] is None for row in rows if row["source_root"] in {"wasm-core", "web"}))

    def test_generation_is_deterministic(self):
        before = {path: path.read_bytes() for path in (REPORT, INDEX)}
        generate(ROOT, ROOT / "coverage")
        after = {path: path.read_bytes() for path in (REPORT, INDEX)}
        self.assertEqual(before, after)


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