import { spawn } from "child_process";
import chalk from "chalk";

export async function runNgUpdateStep(nextVersion: number): Promise<void> {
  return new Promise((resolve, reject) => {
    const args = [
      "ng",
      "update",
      `@angular/core@${nextVersion}`,
      `@angular/cli@${nextVersion}`,
      "--force",
      "--allow-dirty"
    ];

    console.log(
      chalk.cyan(
        `\n⚙ Running Angular CLI: npx ${args.join(" ")}`
      )
    );

    const child = spawn("npx", args, {
      stdio: "inherit",
      shell: process.platform === "win32"
    });

    child.on("exit", (code) => {
      if (code === 0) {
        console.log(
          chalk.green(`✅ Angular CLI update completed for target ${nextVersion}`)
        );
        resolve();
      } else {
        reject(new Error(`ng update exited with code ${code}`));
      }
    });
  });
}