import { McpServer } from "@modelcontextprotocol/sdk/server/mcp.js";
import { registerTools } from "../tools/index.js";
import { registerResources } from "../resources/index.js";
import { dirname, join } from "path";
import { readFileSync } from "fs";
import { fileURLToPath } from "url";
const __filename = fileURLToPath(import.meta.url);
const __dirname = dirname(__filename);
const instructions = readInstructions();

// Create the MCP resource server
export const createServer = () => {
    const server = new McpServer(
        {
            name: "mcp-servers/everything",
            title: "Everything Reference Server",
            version: "2.0.0",
        },
        {
            capabilities: {
                tools: {},
                logging: {},
                prompts: {},
                resources: {
                    subscribe: true,
                }
            },
            instructions,
        },
    );

    // Register the tools
    registerTools(server);

    // Register the resources
    registerResources(server);

    return {
        server,
        cleanup: () => {},
        startNotificationIntervals: (sessionId?: string) => {}
    };
};

function readInstructions(): string {
    let instructions;

    try {
        instructions = readFileSync(join(__dirname, "../instructions.md"), "utf-8");
    } catch (e) {
        instructions = "Server instructions not loaded: " + e;
    }
    return instructions;
}