import { log } from "../../shared/logger";
import { checkForUpdate } from "../../features/auto-update/update-checker";
import packageJson from "../../../package.json" with { type: "json" };

const VERSION = packageJson.version;
const PACKAGE_NAME = packageJson.name;

export async function handleUpdateCommand(): Promise<void> {
  try {
    log("cli: update command invoked");

    const result = await checkForUpdate(VERSION);

    if (result.error) {
      process.stdout.write("Failed to check for updates. Please try again later.\n");
      return;
    }

    if (!result.updateAvailable) {
      process.stdout.write(`Already up to date (v${result.current})\n`);
      return;
    }

    process.stdout.write(`Update available: v${result.current} -> v${result.latest}\n`);
    process.stdout.write(`Running: bun update ${PACKAGE_NAME}\n`);

    const proc = Bun.spawn(["bun", "update", PACKAGE_NAME], {
      stdio: ["inherit", "inherit", "inherit"],
    });

    const exitCode = await proc.exited;

    if (exitCode === 0) {
      process.stdout.write("Update completed successfully!\n");
      log("cli: update command completed successfully");
    } else {
      process.stdout.write(`Update failed with exit code ${exitCode}\n`);
      log("cli: update command failed", { exitCode });
    }
  } catch (error) {
    log("cli: update command error", error);
    process.stdout.write("Error during update: " + String(error) + "\n");
    process.exit(1);
  }
}