// tools/generate-tests/generators/websocket-test-generator.ts — SPEC-058a Section D
// Generates WebSocket test scaffolds: connection lifecycle, reconnection, ordering, heartbeat.
const WS_SIGNALS = [
    'ws',
    'socket.io',
    'socketio',
    'signalr',
    'websocket',
    'sockjs',
    'phoenix-channels',
    'phoenix',
    'actioncable',
    'pusher',
    'ably',
];
/**
 * Returns true when the project uses WebSocket technology.
 */
export function isWebSocketProject(knowledge) {
    const stackLower = knowledge.stack.map((s) => s.toLowerCase());
    return WS_SIGNALS.some((sig) => stackLower.some((s) => s.includes(sig)));
}
/**
 * Generate WebSocket test definitions.
 */
export function generateWebSocketTestDefs(title, testDir, _testExt) {
    return [
        {
            name: `${title} — WebSocket: connection lifecycle (open/close/error)`,
            type: 'integration',
            file: `${testDir}/websocket/`,
            description: 'Verify WebSocket connection opens, exchanges messages, and closes cleanly',
            priority: 'critical',
            automatable: true,
        },
        {
            name: `${title} — WebSocket: reconnection with backoff`,
            type: 'integration',
            file: `${testDir}/websocket/`,
            description: 'Verify client reconnects with exponential backoff after unexpected disconnect',
            priority: 'high',
            automatable: true,
        },
        {
            name: `${title} — WebSocket: message ordering guarantee`,
            type: 'integration',
            file: `${testDir}/websocket/`,
            description: 'Send N messages sequentially and verify they arrive in FIFO order',
            priority: 'high',
            automatable: true,
        },
        {
            name: `${title} — WebSocket: heartbeat/ping-pong keeps connection alive`,
            type: 'integration',
            file: `${testDir}/websocket/`,
            description: 'Verify ping/pong mechanism keeps the connection alive beyond idle timeout',
            priority: 'medium',
            automatable: true,
        },
        {
            name: `${title} — WebSocket: auth rejection on invalid token`,
            type: 'integration',
            file: `${testDir}/websocket/`,
            description: 'Verify connection is rejected or closed when an invalid auth token is provided',
            priority: 'critical',
            automatable: true,
        },
    ];
}
// ---------------------------------------------------------------------------
// Content generators
// ---------------------------------------------------------------------------
function buildTsWebSocketTest(title) {
    return `// WebSocket tests for: ${title}
// Generated by Planu SDD MCP Server (SPEC-058a)
import { describe, it, expect, beforeAll, afterAll } from 'vitest';
// import WebSocket from 'ws';

const WS_URL = process.env['WS_URL'] ?? 'ws://localhost:3000';

describe('${title} — WebSocket Tests', () => {
  // let ws: WebSocket;

  beforeAll(() => {
    // ws = new WebSocket(WS_URL);
  });

  afterAll(() => {
    // ws?.close();
  });

  describe('Connection lifecycle', () => {
    it('opens connection successfully', async () => {
      // await new Promise<void>((resolve, reject) => {
      //   ws.on('open', resolve);
      //   ws.on('error', reject);
      // });
      // expect(ws.readyState).toBe(WebSocket.OPEN);
      expect(true).toBe(true); // Replace with real connection assertion
    });

    it('closes connection cleanly', async () => {
      // ws.close(1000, 'Normal closure');
      // await new Promise<void>((resolve) => ws.on('close', resolve));
      // expect(ws.readyState).toBe(WebSocket.CLOSED);
      expect(true).toBe(true); // Replace with real close assertion
    });
  });

  describe('Reconnection', () => {
    it('reconnects with exponential backoff after disconnect', async () => {
      // Simulate abrupt disconnect and verify reconnection attempt
      // const attempts: number[] = [];
      // client.on('reconnect_attempt', (n) => attempts.push(n));
      // await simulateDisconnect();
      // expect(attempts.length).toBeGreaterThan(0);
      expect(true).toBe(true); // Replace with real reconnect test
    });
  });

  describe('Message ordering', () => {
    it('messages arrive in FIFO order', async () => {
      // const received: string[] = [];
      // ws.on('message', (data) => received.push(data.toString()));
      // for (let i = 0; i < 10; i++) ws.send(\`msg-\${i}\`);
      // await new Promise((r) => setTimeout(r, 500));
      // expect(received).toEqual(Array.from({ length: 10 }, (_, i) => \`msg-\${i}\`));
      expect(true).toBe(true); // Replace with real ordering test
    });
  });

  describe('Heartbeat', () => {
    it('ping/pong keeps connection alive', async () => {
      // let pongReceived = false;
      // ws.on('pong', () => { pongReceived = true; });
      // ws.ping();
      // await new Promise((r) => setTimeout(r, 1000));
      // expect(pongReceived).toBe(true);
      expect(true).toBe(true); // Replace with real heartbeat test
    });
  });

  describe('Auth', () => {
    it('rejects connection with invalid token', async () => {
      // const badWs = new WebSocket(WS_URL, { headers: { Authorization: 'Bearer invalid' } });
      // await expect(
      //   new Promise<void>((_, reject) => {
      //     badWs.on('error', reject);
      //     badWs.on('close', (code) => reject(new Error(\`closed: \${code}\`)));
      //   }),
      // ).rejects.toThrow();
      expect(true).toBe(true); // Replace with real auth rejection test
    });
  });
});
`;
}
function buildPythonWebSocketTest(title) {
    const cls = title.replace(/\s+/g, '');
    return `"""WebSocket tests for: ${title}
Generated by Planu SDD MCP Server (SPEC-058a).
Uses websockets library for Python.
"""
import pytest
# import asyncio
# import websockets


WS_URL = "ws://localhost:3000"


class Test${cls}WebSocket:
    """WebSocket test suite for ${title}."""

    def test_connection_opens_successfully(self) -> None:
        """WebSocket connection opens and receives welcome message."""
        # async def _test():
        #     async with websockets.connect(WS_URL) as ws:
        #         assert ws.open
        # asyncio.get_event_loop().run_until_complete(_test())
        pass

    def test_connection_closes_cleanly(self) -> None:
        """WebSocket connection closes with normal code 1000."""
        # async def _test():
        #     async with websockets.connect(WS_URL) as ws:
        #         await ws.close(1000, "Normal closure")
        #         assert ws.closed
        # asyncio.get_event_loop().run_until_complete(_test())
        pass

    def test_messages_arrive_in_order(self) -> None:
        """Messages sent sequentially arrive in FIFO order."""
        # async def _test():
        #     async with websockets.connect(WS_URL) as ws:
        #         for i in range(10):
        #             await ws.send(f"msg-{i}")
        #         received = [await ws.recv() for _ in range(10)]
        #         assert received == [f"msg-{i}" for i in range(10)]
        # asyncio.get_event_loop().run_until_complete(_test())
        pass

    def test_heartbeat_keeps_connection_alive(self) -> None:
        """Ping/pong keeps the connection alive beyond idle timeout."""
        # async def _test():
        #     async with websockets.connect(WS_URL) as ws:
        #         pong = await ws.ping()
        #         await pong  # wait for pong response
        # asyncio.get_event_loop().run_until_complete(_test())
        pass

    def test_invalid_token_rejects_connection(self) -> None:
        """Connection with invalid auth token is rejected."""
        # async def _test():
        #     with pytest.raises(websockets.exceptions.InvalidStatusCode):
        #         await websockets.connect(
        #             WS_URL,
        #             extra_headers={"Authorization": "Bearer invalid"},
        #         )
        # asyncio.get_event_loop().run_until_complete(_test())
        pass
`;
}
/**
 * Generate WebSocket test file scaffolds for the target language.
 */
export function generateWebSocketTestFiles(spec, testDir, framework, language, testExt, autoGenerate) {
    const isPython = language === 'python';
    const resolvedExt = isPython ? 'py' : testExt;
    const resolvedFramework = isPython ? 'pytest' : framework;
    const content = isPython
        ? buildPythonWebSocketTest(spec.title)
        : buildTsWebSocketTest(spec.title);
    return [
        {
            path: `${testDir}/websocket/${spec.slug}.ws.test.${resolvedExt}`,
            framework: resolvedFramework,
            content,
            ready: autoGenerate,
        },
    ];
}
//# sourceMappingURL=websocket-test-generator.js.map