/**
 * 外部 Web アクセス MCPlet
 * pool: info-pool | mcpletType: read | visibility: [model]
 */
import { MCPletServer } from '../../mcplet-server.js';

const MOCK_SERVICE_URL = process.env.MOCK_SERVICE_URL ?? 'http://localhost:5100';

const server = new MCPletServer('web-access-mcplet');

server.registerTool({
  name: 'fetch_web_content',
  description: '外部Webサイトのコンテンツを取得します。天気予報など外部情報の収集に使用します。',
  inputSchema: {
    type: 'object',
    properties: {
      source: {
        type: 'string',
        description: '取得する情報ソース (例: weather_forecast, news)',
      },
      date: {
        type: 'string',
        description: '対象日付 (YYYY-MM-DD形式)',
      },
    },
    required: ['source'],
  },
  mcpletType: 'read',
  pool: 'info-pool',
  visibility: ['model'],
  handler: async (args) => {
    const source = args['source'] as string;
    const date = (args['date'] as string | undefined) ?? new Date().toISOString().slice(0, 10);

    if (source === 'weather_forecast' || source === 'weather') {
      const res = await fetch(`${MOCK_SERVICE_URL}/weather/forecast?date=${date}`);
      if (!res.ok) throw new Error(`Weather service returned ${res.status}`);
      return res.json();
    }

    return { source, date, content: `Mock web content for source="${source}" on ${date}` };
  },
});

await server.listen();