#!/usr/bin/env node

import { Server } from '@modelcontextprotocol/sdk/server/index.js';
import { StdioServerTransport } from '@modelcontextprotocol/sdk/server/stdio.js';
import {
  CallToolRequestSchema,
  ListResourceTemplatesRequestSchema,
  ListResourcesRequestSchema,
  ListToolsRequestSchema,
} from '@modelcontextprotocol/sdk/types.js';
import { codexDoctorReport } from '../../commands/codex-doctor.ts';

async function main(): Promise<void> {
  const server = new Server(
    { name: 'agent-awareness-codex', version: '0.1.0' },
    {
      capabilities: {
        tools: {},
        resources: {},
      },
    },
  );

  server.setRequestHandler(ListResourcesRequestSchema, async () => ({
    resources: [],
  }));
  server.setRequestHandler(ListResourceTemplatesRequestSchema, async () => ({
    resourceTemplates: [],
  }));

  server.setRequestHandler(ListToolsRequestSchema, async () => ({
    tools: [{
      name: 'awareness_doctor',
      description: 'Diagnose agent-awareness Codex integration health',
      inputSchema: { type: 'object' as const, properties: {} },
    }],
  }));

  server.setRequestHandler(CallToolRequestSchema, async (request) => {
    if (request.params.name !== 'awareness_doctor') {
      return {
        content: [{ type: 'text' as const, text: `Unknown tool: ${request.params.name}` }],
        isError: true,
      };
    }

    const report = await codexDoctorReport();
    return { content: [{ type: 'text' as const, text: report.text }] };
  });

  const transport = new StdioServerTransport();
  await server.connect(transport);
}

main().catch(err => {
  console.error('[agent-awareness-codex-mcp] fatal:', err);
  process.exit(1);
});