"""Tests for create_issue.py.

Every test mocks auth functions so no real network calls or keychain
access are performed.

Note: create_issue.py may be inaccessible due to macOS sandbox restrictions.
If so, these tests are automatically skipped.
"""
import io
import json
import sys
import tempfile
import unittest
from unittest.mock import MagicMock, patch

# The module under test lives in the repo root, not a package.
sys.path.insert(0, str(__import__("pathlib").Path(__file__).resolve().parent.parent))
try:
    import create_issue  # noqa: E402
    _SKIP = False
    _REASON = ""
except (ImportError, PermissionError, OSError) as exc:
    create_issue = None  # type: ignore[assignment]
    _SKIP = True
    _REASON = f"create_issue.py not importable: {exc}"


FAKE_CREDS = ("testuser", "testpass")


# ---------------------------------------------------------------------------
# Argument parsing
# ---------------------------------------------------------------------------
@unittest.skipIf(_SKIP, _REASON)
class TestArgParsing(unittest.TestCase):
    """Ensure argparse accepts the expected flags and rejects bad input."""

    @patch("create_issue.api_request", return_value={"number": 1, "html_url": "http://x/1"})
    @patch("create_issue.get_credentials", return_value=FAKE_CREDS)
    def test_minimal_args(self, _cred, _api):
        rc = create_issue.main(["--title", "Hello"])
        self.assertEqual(rc, 0)

    def test_missing_title_exits(self):
        with self.assertRaises(SystemExit) as ctx:
            create_issue.main(["--body", "no title given"])
        self.assertNotEqual(ctx.exception.code, 0)

    @patch("create_issue.api_request", return_value={"number": 1, "html_url": "http://x/1"})
    @patch("create_issue.get_credentials", return_value=FAKE_CREDS)
    def test_remote_choices(self, _cred, _api):
        for remote in ("dadeschools", "prgs"):
            rc = create_issue.main(["--remote", remote, "--title", "X"])
            self.assertEqual(rc, 0, f"--remote {remote} should be accepted")

    def test_invalid_remote_exits(self):
        with self.assertRaises(SystemExit):
            create_issue.main(["--remote", "nonexistent", "--title", "X"])


# ---------------------------------------------------------------------------
# Remote resolution
# ---------------------------------------------------------------------------
@unittest.skipIf(_SKIP, _REASON)
class TestRemoteResolution(unittest.TestCase):
    """Verify the correct host/org/repo are selected per remote."""

    @patch("create_issue.api_request", return_value={"number": 1, "html_url": "http://x/1"})
    @patch("create_issue.get_credentials", return_value=FAKE_CREDS)
    def test_dadeschools_default(self, mock_cred, _api):
        create_issue.main(["--title", "T"])
        mock_cred.assert_called_with("gitea.dadeschools.net")

    @patch("create_issue.api_request", return_value={"number": 1, "html_url": "http://x/1"})
    @patch("create_issue.get_credentials", return_value=FAKE_CREDS)
    def test_prgs_remote(self, mock_cred, _api):
        create_issue.main(["--remote", "prgs", "--title", "T"])
        mock_cred.assert_called_with("gitea.prgs.cc")

    @patch("create_issue.api_request", return_value={"number": 1, "html_url": "http://x/1"})
    @patch("create_issue.get_credentials", return_value=FAKE_CREDS)
    def test_host_override(self, mock_cred, _api):
        create_issue.main(["--host", "custom.example.com", "--title", "T"])
        mock_cred.assert_called_with("custom.example.com")


# ---------------------------------------------------------------------------
# API payload
# ---------------------------------------------------------------------------
@unittest.skipIf(_SKIP, _REASON)
class TestAPIPayload(unittest.TestCase):
    """Ensure the JSON payload sent to Gitea is correct."""

    @patch("create_issue.get_credentials", return_value=FAKE_CREDS)
    def test_payload_title_and_body(self, _cred):
        with patch("create_issue.api_request",
                   return_value={"number": 1, "html_url": "http://x/1"}) as mock_api:
            create_issue.main(["--title", "My Title", "--body", "My Body"])
            payload = mock_api.call_args[0][3]
            self.assertEqual(payload["title"], "My Title")
            self.assertEqual(payload["body"], "My Body")

    @patch("create_issue.get_credentials", return_value=FAKE_CREDS)
    def test_url_construction(self, _cred):
        with patch("create_issue.api_request",
                   return_value={"number": 1, "html_url": "http://x/1"}) as mock_api:
            create_issue.main(["--remote", "prgs", "--title", "X"])
            url = mock_api.call_args[0][1]
            self.assertEqual(
                url,
                "https://gitea.prgs.cc/api/v1/repos/Scaled-Tech-Consulting/Timesheet/issues",
            )


# ---------------------------------------------------------------------------
# Body file reading
# ---------------------------------------------------------------------------
@unittest.skipIf(_SKIP, _REASON)
class TestBodyFile(unittest.TestCase):

    @patch("create_issue.get_credentials", return_value=FAKE_CREDS)
    def test_body_from_file(self, _cred):
        with tempfile.NamedTemporaryFile(mode="w", suffix=".md", delete=False) as f:
            f.write("File body content")
            f.flush()
            with patch("create_issue.api_request",
                       return_value={"number": 1, "html_url": "http://x/1"}) as mock_api:
                create_issue.main(["--title", "T", "--body-file", f.name])
                payload = mock_api.call_args[0][3]
                self.assertEqual(payload["body"], "File body content")


# ---------------------------------------------------------------------------
# Auth failure
# ---------------------------------------------------------------------------
@unittest.skipIf(_SKIP, _REASON)
class TestAuthFailure(unittest.TestCase):

    @patch("create_issue.get_credentials", return_value=("", ""))
    def test_no_credentials_returns_1(self, _cred):
        rc = create_issue.main(["--title", "T"])
        self.assertEqual(rc, 1)


# ---------------------------------------------------------------------------
# API error handling
# ---------------------------------------------------------------------------
@unittest.skipIf(_SKIP, _REASON)
class TestAPIError(unittest.TestCase):

    @patch("create_issue.get_credentials", return_value=FAKE_CREDS)
    def test_api_error_returns_1(self, _cred):
        with patch("create_issue.api_request",
                   side_effect=RuntimeError("HTTP 422: duplicate")):
            rc = create_issue.main(["--title", "Dup"])
            self.assertEqual(rc, 1)


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