/**
 * ndomo — session_end custom tool.
 *
 * Mirror of the equivalent plugin tool in src/plugin.ts, exposed as a
 * standalone OpenCode custom tool. Opens its own DB connection and runs
 * migrations on first use. Use this when you want DB access from outside
 * the plugin (e.g. from agents that don't load the plugin).
 */

import { tool } from "@opencode-ai/plugin";
import { closeDb, endSession, openDb, resolveProjectDir, runMigrations } from "ndomo/db";

export default tool({
  description: "Mark a session as ended. Sets ended_at to the current timestamp.",
  args: { id: tool.schema.string() },
  execute: async (args, ctx) => {
    const projectDir = resolveProjectDir(ctx);
    const db = openDb(projectDir);
    runMigrations(db);
    try {
      return JSON.stringify(endSession(db, args.id));
    } finally {
      closeDb(db);
    }
  },
});