from __future__ import annotations

import unittest
import xml.etree.ElementTree as ET
from pathlib import Path

ROOT = Path(__file__).resolve().parents[1] / "windows-node"
PROJECT = ROOT / "Zcbot.WindowsNode"


class WindowsNodeSourceTests(unittest.TestCase):
    def test_project_targets_net10_windows_forms_without_third_party_packages(self) -> None:
        tree = ET.parse(PROJECT / "Zcbot.WindowsNode.csproj")
        root = tree.getroot()
        self.assertEqual(root.findtext("./PropertyGroup/TargetFramework"), "net10.0-windows")
        self.assertEqual(root.findtext("./PropertyGroup/UseWindowsForms"), "true")
        self.assertEqual(root.findtext("./PropertyGroup/OutputType"), "WinExe")
        self.assertEqual(root.findall("./ItemGroup/PackageReference"), [])

    def test_node_protocol_and_secret_storage_markers_are_present(self) -> None:
        source = "\n".join(path.read_text(encoding="utf-8") for path in PROJECT.glob("*.cs"))
        for marker in (
            "v1/compute/nodes/enroll",
            "v1/compute/nodes/connect",
            'SetRequestHeader("Authorization"',
            'SetRequestHeader("X-Node-Id"',
            "DataProtectionScope.LocalMachine",
            "SetAccessRuleProtection(isProtected: true",
            '"origin.plot@v1"',
            "NotifyIcon",
            "ConfigurationForm",
            "TrayIconFactory.Create",
            '"--headless"',
        ):
            self.assertIn(marker, source)

    def test_node_does_not_expose_arbitrary_execution_primitives(self) -> None:
        source = "\n".join(path.read_text(encoding="utf-8") for path in PROJECT.glob("*.cs"))
        for forbidden in ("Process.Start", "cmd.exe", "powershell.exe", "LabTalk"):
            self.assertNotIn(forbidden, source)

    def test_config_field_names_do_not_serialize_plain_node_token(self) -> None:
        models = (PROJECT / "NodeModels.cs").read_text(encoding="utf-8")
        stored_record = models.split("internal sealed record StoredNodeConfig", 1)[1].split(");", 1)[0]
        self.assertIn("ProtectedNodeToken", stored_record)
        self.assertNotIn("string NodeToken", stored_record)

    def test_configuration_ui_never_displays_or_copies_token(self) -> None:
        form = (PROJECT / "ConfigurationForm.cs").read_text(encoding="utf-8")
        self.assertIn("CreateTextBox(usePassword: true)", form)
        self.assertIn("UseSystemPasswordChar = usePassword", form)
        self.assertNotIn("NodeToken", form)
        self.assertNotIn("Clipboard", form)
        self.assertIn("清除本机身份并重新注册", form)
        self.assertIn("管理后台删除或禁用云端旧节点", form)

    def test_configuration_window_is_resizable_and_dpi_safe(self) -> None:
        form = (PROJECT / "ConfigurationForm.cs").read_text(encoding="utf-8")
        self.assertIn("ClientSize = new Size(840, 680)", form)
        self.assertIn("FormBorderStyle.Sizable", form)
        self.assertIn("AutoScaleMode.Dpi", form)
        self.assertIn("AutoScroll = true", form)
        self.assertNotIn("MaximumSize = new Size(410", form)
        self.assertIn("注册码默认 10 分钟有效", form)
        self.assertIn("成功注册一次后立即失效", form)
        self.assertIn("CreateCard", form)
        self.assertIn("注册并连接", form)
        self.assertIn("ContentWidth = 760", form)
        self.assertIn("Origin 绘图", form)
        self.assertIn('CreateCapabilityRow("Origin 绘图", "origin.plot@v1")', form)
        self.assertIn('CreateButton("立即重连", 112, primary: true)', form)
        self.assertIn("ReconnectRequested?.Invoke()", form)
        self.assertIn("registrationCard.Visible = !registered", form)
        self.assertIn("reconnect.Visible = registered", form)
        self.assertIn("resetIdentity.Visible = registered", form)

        tray = (PROJECT / "TrayApplicationContext.cs").read_text(encoding="utf-8")
        self.assertIn("form.ReconnectRequested += RestartConnection", tray)

    def test_startup_task_is_login_scoped_and_runs_the_fixed_node_executable(self) -> None:
        script = (ROOT / "install-startup.ps1").read_text(encoding="utf-8")
        self.assertIn('GetFileName($resolvedExecutable) -ne "Zcbot.WindowsNode.exe"', script)
        self.assertIn("New-ScheduledTaskTrigger -AtLogOn -User $currentUser", script)
        self.assertIn("-LogonType Interactive", script)
        self.assertIn("-RunLevel Limited", script)
        self.assertNotIn("-RunLevel Highest", script)

    def test_auth_rejection_is_distinct_from_http_websocket_handshake_failure(self) -> None:
        connection = (PROJECT / "NodeConnectionLoop.cs").read_text(encoding="utf-8")
        self.assertIn('socket.HttpStatusCode is HttpStatusCode.Unauthorized', connection)
        self.assertIn('or HttpStatusCode.Forbidden', connection)
        self.assertIn("WebSocket 握手被拒绝，请检查服务端或反向代理", connection)
        self.assertIn("catch (NodeEndpointException exception)", connection)
        self.assertIn("throw new NodeEndpointException", connection)
        self.assertIn("(int?)result.CloseStatus == 4003", connection)
        self.assertIn("节点身份已被服务端拒绝", connection)
        self.assertNotIn("Node credentials were rejected", connection)

    def test_origin_runtime_probe_is_read_only_and_reported(self) -> None:
        probe = (PROJECT / "OriginRuntimeProbe.cs").read_text(encoding="utf-8")
        connection = (PROJECT / "NodeConnectionLoop.cs").read_text(encoding="utf-8")
        self.assertIn('AutomationProgId = @"Origin.ApplicationSI\\CLSID"', probe)
        self.assertIn("RegistryHive.LocalMachine", probe)
        self.assertIn("RegistryHive.CurrentUser", probe)
        self.assertIn('new("OriginPro", version, "0.1.0", health, detail)', probe)
        self.assertIn('available_slots = origin.Health == "ready" ? 1 : 0', connection)
        self.assertNotIn("CreateInstance", probe)
        self.assertNotIn("Process.Start", probe)
        for marker in (
            "software_version = origin.SoftwareVersion",
            "adapter_version = origin.AdapterVersion",
            "health = origin.Health",
            "detail = origin.Detail",
        ):
            self.assertIn(marker, connection)


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