import unittest
from pathlib import Path
from unittest.mock import Mock, patch

from uploader.bilibili_uploader.runtime import (
    build_biliup_runtime_path,
    ensure_biliup_binary,
    run_biliup_command,
)


class BiliupRuntimeTests(unittest.TestCase):
    def test_build_biliup_runtime_path_returns_platform_path(self):
        path = build_biliup_runtime_path("Windows")
        self.assertTrue(str(path).endswith("biliup.exe"))

    @patch("uploader.bilibili_uploader.runtime.fetch_latest_release")
    def test_ensure_biliup_binary_downloads_when_missing(self, mock_release):
        mock_release.return_value = {
            "tag_name": "v1.0.0",
            "asset_url": "https://example.invalid/biliup.exe",
            "asset_name": "biliup.exe",
        }
        with patch("uploader.bilibili_uploader.runtime.read_local_biliup_version", return_value=None):
            with patch("pathlib.Path.exists", return_value=False):
                with patch("uploader.bilibili_uploader.runtime.download_biliup_asset") as mock_download:
                    with patch("uploader.bilibili_uploader.runtime.write_local_biliup_version") as mock_write_version:
                        ensure_biliup_binary(force_check=True)
        mock_download.assert_called_once()
        mock_write_version.assert_called_once_with("v1.0.0")

    @patch("uploader.bilibili_uploader.runtime.fetch_latest_release")
    def test_ensure_biliup_binary_reuses_local_when_up_to_date(self, mock_release):
        mock_release.return_value = {
            "tag_name": "v1.0.0",
            "asset_url": "https://example.invalid/biliup.exe",
            "asset_name": "biliup.exe",
        }
        with patch("uploader.bilibili_uploader.runtime.read_local_biliup_version", return_value="v1.0.0"):
            with patch("pathlib.Path.exists", return_value=True):
                with patch("uploader.bilibili_uploader.runtime.download_biliup_asset") as mock_download:
                    with patch("uploader.bilibili_uploader.runtime.write_local_biliup_version") as mock_write_version:
                        ensure_biliup_binary(force_check=True)
        mock_download.assert_not_called()
        mock_write_version.assert_not_called()

    @patch("uploader.bilibili_uploader.runtime.subprocess.run")
    @patch("uploader.bilibili_uploader.runtime.ensure_biliup_binary")
    def test_run_biliup_command_returns_completed_process(self, mock_ensure_binary, mock_run):
        mock_ensure_binary.return_value = build_biliup_runtime_path("Windows")
        mock_run.return_value = Mock(returncode=0, stdout="ok", stderr="")
        result = run_biliup_command(["login"])
        self.assertEqual(result.returncode, 0)

    @patch("uploader.bilibili_uploader.runtime.subprocess.run")
    @patch("uploader.bilibili_uploader.runtime.ensure_biliup_binary")
    def test_run_biliup_command_login_uses_interactive_stdio(self, mock_ensure_binary, mock_run):
        mock_ensure_binary.return_value = Path("C:/mock/biliup.exe")
        mock_run.return_value = Mock(returncode=0, stdout="", stderr="")
        run_biliup_command(["login"], interactive=True)
        _, kwargs = mock_run.call_args
        self.assertNotIn("capture_output", kwargs)