import { McpServer } from "@modelcontextprotocol/sdk/server/mcp.js";
import { StdioServerTransport } from "@modelcontextprotocol/sdk/server/stdio.js";
import { baseInputSchema } from "./tools/schemas.js";
import { handleAskChatGpt } from "./tools/ask-chatgpt.js";
import { loadConfig } from "./config/env.js";
import { createOpenAIClient } from "./openai/client.js";
import { sendOpenAIResponse } from "./openai/responses.js";

const server = new McpServer({
  name: "chatgpt-mcp",
  version: "0.1.0"
});

server.registerTool(
  "ask_chatgpt",
  {
    description:
      "General second-opinion question for advice, alternatives, risks, and clarification.",
    inputSchema: baseInputSchema,
  },
  async (input) => {
    const result = await handleAskChatGpt(input, {
      loadConfig,
      createOpenAIClient,
      sendOpenAIResponse,
    });

    return {
      content: [
        { type: "text", text: result.ok ? result.answer : `Error: ${result.error}` },
      ],
      isError: !result.ok,
      warnings: result.warnings?.length ? result.warnings : undefined,
    };
  }
);

await server.connect(new StdioServerTransport());