#!/usr/bin/env node

import { DeploymentError, deployRelease, readDeploymentConfig, rollbackRelease } from "./cpanel-deploy-lib.mjs";

async function main() {
  const mode = process.argv[2] || "deploy";
  if (!new Set(["deploy", "--rollback"]).has(mode) || process.argv.length > 3) {
    throw new DeploymentError("Usage: deploy-cpanel.mjs [--rollback]");
  }

  if (mode === "--rollback") {
    const target = process.env.RELEASE_ROLLBACK_TARGET;
    if (!target) {
      throw new DeploymentError("RELEASE_ROLLBACK_TARGET is required for --rollback.");
    }
    const config = readDeploymentConfig(process.env, { rollbackOnly: true });
    const result = await rollbackRelease(config, target);
    console.log(`Frontend rollback completed: active release ${result.activeTarget.split("/")[1]}.`);
    return;
  }

  const config = readDeploymentConfig(process.env);
  const result = await deployRelease(config);
  console.log(
    `Frontend deployment completed: active release ${config.releaseId}; retained rollback release ${
      result.previousTarget.split("/")[1]
    }.`
  );
  if (result.removed.length > 0) {
    console.log(`Pruned ${result.removed.length} inactive release(s).`);
  }
  if (result.retentionWarning) {
    console.warn(result.retentionWarning);
  }
}

main().catch((error) => {
  const message = error instanceof Error ? error.message : "Unknown deployment failure.";
  console.error(message);
  process.exit(1);
});