/**
 * 9plan_session_create tool
 *
 * Creates a new session with a randomly-generated three-word identifier.
 */

import { z } from "zod";
import { createNewSession, getSessionPath } from "../container.js";
import { formatResponse } from "../types.js";

// Input schema
export const sessionCreateInputSchema = {
  task_description: z
    .string()
    .optional()
    .describe("Optional description of the overall task this session is for"),
};

// Input type derived from schema
export interface SessionCreateInput {
  task_description?: string;
}

/**
 * Handle session create tool call
 */
export function handleSessionCreate(
  args: SessionCreateInput,
): { content: { type: "text"; text: string }[] } {
  const { sessionName, store } = createNewSession(args.task_description);
  const sessionPath = getSessionPath(sessionName);

  // Close the store since we're just creating the session
  store.close();

  const response = formatResponse(
    sessionName,
    `Session created: ${sessionName}
Directory: ${sessionPath}

The session is ready. Use 9plan_queue_add to add plans, then 9plan_queue_pull to begin work.`,
  );

  return {
    content: [{ type: "text", text: response }],
  };
}

// Tool configuration for registration
export const sessionCreateToolConfig = {
  title: "Create Session",
  description:
    "Creates a new session with a randomly-generated three-word identifier (e.g., amber-quiet-river). Optionally provide a task description to document the overall goal.",
  inputSchema: sessionCreateInputSchema,
};