import denoJson from "../../../deno.json" with { type: "json" };
import type { ServerModule } from "../types.ts";
import { createMcpConfigStore } from "./config-store.ts";
import { registerMcpRoutes } from "./routes.ts";
import { McpSessionTable } from "./sessions.ts";

/**
 * AG-1 对外 MCP 服务端(REQ R13、§12.3):/mcp 走 Streamable HTTP,API Key 鉴权,
 * 每个工具对应一个能力,调用走同一个 registry.invoke(不绕过授权);另提供能力统计、能力清单与 MCP 状态/配置。
 * 会话表在进程内(api / all 角色),停机时全部关闭。
 */
export function createMcpModule(opts: { version?: string } = {}): ServerModule & { sessions: McpSessionTable } {
  const table = new McpSessionTable();
  return {
    name: "mcp",
    sessions: table,
    registerRoutes(app, ctx) {
      registerMcpRoutes(app, ctx, {
        table,
        config: createMcpConfigStore(() => ctx.db),
        version: opts.version ?? denoJson.version,
      });
    },
    registerTasks() {},
    async stop() {
      await table.closeAll();
    },
  };
}

export const mcpModule = createMcpModule();