import json
import sys
import unittest
from pathlib import Path
from tempfile import TemporaryDirectory

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

from generate_configuration_startup_closure import candidates, generate, resolve_row


class ConfigurationStartupClosureTests(unittest.TestCase):
    def test_explicit_library_and_argument_tail(self):
        paths, kind, error, args = candidates("LIB:basic_sim.tcl -no_sim_spindle", "linuxcnc/configs/sim/demo/main.ini")
        self.assertEqual(kind, "library")
        self.assertIsNone(error)
        self.assertEqual(args, ["-no_sim_spindle"])
        self.assertEqual(paths[0], "linuxcnc/lib/hallib/basic_sim.tcl")

    def test_relative_does_not_search_by_basename(self):
        row = {"resource_source_id": "r1", "entrypoint": "linuxcnc/configs/sim/demo/main.ini", "raw_value": "core.hal", "path": "linuxcnc/configs/sim/demo/core.hal", "parse_status": "missing"}
        result = resolve_row(row, {"linuxcnc/lib/hallib/core.hal"})
        self.assertEqual(result["status"], "blocked_missing")
        self.assertEqual(result["resolution"], "relative")

    def test_host_and_outside_paths_fail_closed(self):
        host = resolve_row({"entrypoint": "linuxcnc/configs/sim/demo/main.ini", "raw_value": "~/linuxcnc/nc_files", "path": "~/linuxcnc/nc_files", "parse_status": "host_or_variable_path"}, set())
        outside = resolve_row({"entrypoint": "linuxcnc/configs/sim/demo/main.ini", "raw_value": "../../../../etc/passwd", "path": "../../../../etc/passwd", "parse_status": "outside_repo"}, set())
        self.assertEqual(host["status"], "blocked_host_path")
        self.assertEqual(outside["status"], "blocked_outside_repo")

    def test_generation_is_deterministic(self):
        root = Path(__file__).resolve().parents[1]
        with TemporaryDirectory() as directory:
            output = Path(directory) / "report.json"
            first = generate(root, output)
            before = output.read_bytes()
            second = generate(root, output)
            self.assertEqual(first, second)
            self.assertEqual(before, output.read_bytes())
            self.assertEqual(json.loads(before)["report_sha256"], second["report_sha256"])


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