#!/usr/bin/env node
import process from "node:process";
import { runInstanceCommand } from "./cli/instance.js";

const COMMANDS = ["init", "setup", "start", "stop", "restart", "status", "logs", "doctor", "list"] as const;
type Command = typeof COMMANDS[number];

async function main(argv: string[]): Promise<number> {
  if (argv.length === 0 || (argv.length === 1 && ["--help", "-h"].includes(argv[0]))) {
    printHelp();
    return 0;
  }

  const [command, ...args] = argv;
  const option = argv.find((arg) => arg.startsWith("-"));
  if (option) throw new Error(`Unknown option: ${option}`);
  if (!COMMANDS.includes(command as Command)) throw new Error(`Unknown command: ${command}`);
  if (command === "list") {
    if (args.length !== 0) throw new Error("list does not accept <bot-id>");
  } else if (args.length !== 1) {
    throw new Error(`${command} requires exactly one <bot-id>`);
  }
  return runInstanceCommand(command, args);
}

function printHelp(): void {
  console.log(`gori-agent - single-Bot ACP gateway

Usage:
  gori-agent init <bot-id>
  gori-agent setup <bot-id>
  gori-agent start <bot-id>
  gori-agent stop <bot-id>
  gori-agent restart <bot-id>
  gori-agent status <bot-id>
  gori-agent logs <bot-id>
  gori-agent doctor <bot-id>
  gori-agent list

Instances root: \${GORI_AGENT_ROOT:-$HOME/.gori-agent}/instances`);
}

main(process.argv.slice(2)).then((code) => { if (Number.isInteger(code)) process.exitCode = code; }).catch((error) => {
  console.error(error instanceof Error ? error.message : String(error));
  process.exitCode = 1;
});