import bcrypt from 'bcrypt';
import jwt from 'jsonwebtoken';
import { env } from '../config/env.js';

const TIME_MULTIPLIERS = {
  ms: 1,
  s: 1000,
  m: 60 * 1000,
  h: 60 * 60 * 1000,
  d: 24 * 60 * 60 * 1000
};

export const hashPassword = async (password) => bcrypt.hash(password, 10);

export const comparePassword = async (password, hash) => bcrypt.compare(password, hash);

export const signToken = (payload, options = {}) =>
  jwt.sign(payload, env.jwtSecret, {
    expiresIn: env.jwtExpiresIn,
    ...options
  });

export const verifyToken = (token) => jwt.verify(token, env.jwtSecret);

export const expiresInToMs = (value) => {
  if (!value) return 0;
  if (typeof value === 'number') return value * 1000;
  const trimmed = String(value).trim();
  const directNumber = Number(trimmed);
  if (!Number.isNaN(directNumber)) return directNumber * 1000;

  const match = trimmed.match(/^(\d+)(ms|s|m|h|d)$/i);
  if (!match) return 0;
  const amount = Number(match[1]);
  const unit = match[2].toLowerCase();
  return amount * (TIME_MULTIPLIERS[unit] || 0);
};