#!/usr/bin/env python3
import sys
import unittest
from pathlib import Path
from tempfile import TemporaryDirectory

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

from generate_config_resources import generate, scan_entrypoint


class ConfigResourcesTests(unittest.TestCase):
    def create_tree(self):
        directory = TemporaryDirectory()
        root = Path(directory.name)
        config = root / "linuxcnc/configs/sim/demo"
        config.mkdir(parents=True)
        (config / "main.ini").write_text(
            "[HAL]\nHALFILE = core.hal\nPOSTGUI_HALFILE = post.hal\n"
            "[RS274NGC]\nPARAMETER_FILE = vars.var\nSUBROUTINE_PATH = macros\n"
            "[EMCIO]\nTOOL_TABLE = tools.tbl\n",
            encoding="utf-8",
        )
        (config / "core.hal").write_text("source extra.hal\nloadusr helper.py\n", encoding="utf-8")
        (config / "post.hal").write_text("loadrt demo\n", encoding="utf-8")
        (config / "extra.hal").write_text("setp demo.value 1\n", encoding="utf-8")
        (config / "helper.py").write_text("print('ok')\n", encoding="utf-8")
        (config / "tools.tbl").write_text("T1 P1\n", encoding="utf-8")
        (config / "vars.var").write_text("#1 = 2\n", encoding="utf-8")
        (config / "macros").mkdir()
        return directory, root, config / "main.ini"

    def test_resolves_ini_and_hal_edges(self):
        directory, root, entrypoint = self.create_tree()
        self.addCleanup(directory.cleanup)
        rows = scan_entrypoint(root, root / "linuxcnc/configs/sim", entrypoint)
        paths = {row["path"] for row in rows}
        self.assertIn("linuxcnc/configs/sim/demo/core.hal", paths)
        self.assertIn("linuxcnc/configs/sim/demo/extra.hal", paths)
        self.assertIn("linuxcnc/configs/sim/demo/helper.py", paths)
        self.assertIn("linuxcnc/configs/sim/demo/tools.tbl", paths)

    def test_missing_resource_is_retained(self):
        directory, root, entrypoint = self.create_tree()
        self.addCleanup(directory.cleanup)
        entrypoint.write_text("[HAL]\nHALFILE = missing.hal\n", encoding="utf-8")
        rows = scan_entrypoint(root, root / "linuxcnc/configs/sim", entrypoint)
        missing = [row for row in rows if row["path"].endswith("missing.hal")]
        self.assertEqual(len(missing), 1)
        self.assertEqual(missing[0]["parse_status"], "missing")

    def test_generation_is_deterministic(self):
        directory, root, _ = self.create_tree()
        self.addCleanup(directory.cleanup)
        first = root / "one.jsonl"
        second = root / "two.jsonl"
        report = root / "report.json"
        _, digest_one = generate(root, first, report)
        _, digest_two = generate(root, second, report)
        self.assertEqual(digest_one, digest_two)
        self.assertEqual(first.read_bytes(), second.read_bytes())


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