import { chmod, mkdir, writeFile } from "node:fs/promises";
import os from "node:os";
import path from "node:path";
import process from "node:process";

const destination =
  process.env.GRIMMORY_PASSWORD_FILE ||
  path.join(os.homedir(), ".config/opencode/secrets/grimmory_password");

if (!process.stdin.isTTY) {
  console.error("Run this command in an interactive terminal.");
  process.exit(1);
}

process.stdout.write("Grimmory password: ");
process.stdin.setRawMode(true);
process.stdin.resume();
process.stdin.setEncoding("utf8");

let password = "";
process.stdin.on("data", async (character) => {
  if (character === "\u0003") process.exit(130);
  if (character === "\r" || character === "\n") {
    process.stdin.setRawMode(false);
    process.stdin.pause();
    process.stdout.write("\n");
    if (!password) {
      console.error("Password cannot be empty.");
      process.exit(1);
    }
    await mkdir(path.dirname(destination), { recursive: true, mode: 0o700 });
    await writeFile(destination, password, { mode: 0o600 });
    await chmod(destination, 0o600);
    console.log(`Password saved to ${destination}`);
    return;
  }
  if (character === "\u007f") {
    password = password.slice(0, -1);
    return;
  }
  password += character;
});