import { describe, expect, it } from 'vitest';

import {
  QUEUE_MCP_TOOL_DEFINITIONS,
  buildQueueMcpServer,
} from '../src/mcp-server.js';

describe('queue MCP server', () => {
  it('declares all required phase-1 tools', () => {
    const toolNames = QUEUE_MCP_TOOL_DEFINITIONS.map((tool) => tool.name).sort();

    expect(toolNames).toEqual([
      'queue_claim',
      'queue_complete',
      'queue_fail',
      'queue_get',
      'queue_heartbeat',
      'queue_list',
      'queue_release',
      'queue_status',
    ]);
  });

  it('builds an MCP server instance', () => {
    const server = buildQueueMcpServer({
      openSession: () =>
        Promise.resolve({
          repository: {
            list: () => Promise.resolve([]),
            get: () => Promise.resolve(null),
            claim: () => Promise.reject(new Error('not implemented')),
            heartbeat: () => Promise.reject(new Error('not implemented')),
            release: () => Promise.reject(new Error('not implemented')),
            complete: () => Promise.reject(new Error('not implemented')),
            fail: () => Promise.reject(new Error('not implemented')),
          },
          checkHealth: () =>
            Promise.resolve({
              checkedAt: 1,
              latencyMs: 0,
              ok: true,
              response: 'PONG',
            }),
          close: () => Promise.resolve(),
        }),
    });

    expect(server).toBeDefined();
  });
});