import { betterAuth } from 'better-auth';
import { prismaAdapter } from '@better-auth/prisma-adapter';
import prisma from './prisma.js';
import EmailSender from './email-sender.js';
import { emailOTP } from 'better-auth/plugins';

export const auth = betterAuth({
  appName: process.env.APP_NAME ?? 'app',
  basePath: '/api/auth',
  plugins: [
    // authTransformResponse()
    emailOTP({
      async sendVerificationOTP({ email, otp, type }) {
        if (type === 'sign-in') {
          EmailSender.sendInBackground({
            to: email,
            subject: `Your OTP code is: ${otp}`,
            text: `Your OTP code is: ${otp}`,
          });
        } else if (type === 'email-verification') {
          // Send the OTP for email verification
          console.log({ email, otp, type });
        } else if (type === 'forget-password') {
          EmailSender.sendInBackground({
            to: email,
            subject: `Your password reset code is: ${otp}`,
            text: `Your password reset code is: ${otp}`,
          });
        } else {
          console.log({ email, otp, type });
        }
      },
    }),
  ],
  database: prismaAdapter(prisma, {
    provider: 'postgresql',
  }),
  advanced: {
    disableOriginCheck: true,
    disableCSRFCheck: true,
    database: {
      joins: true,
    },
  },
  secret: process.env.BETTER_AUTH_SECRET,
  baseURL: process.env.BETTER_AUTH_URL ?? 'http://localhost:3000',
  emailAndPassword: {
    enabled: true,
    autoSignIn: false,
    requireEmailVerification: true,
    onExistingUserSignUp: async ({ user }, request) => {
      EmailSender.sendInBackground({
        to: user.email,
        subject: 'Sign-up attempt with your email',
        text: 'Someone tried to create an account using your email address. If this was you, try signing in instead. If not, you can safely ignore this email.',
      });
    },
    sendResetPassword: async ({ user, url, token }, request) => {
      EmailSender.sendInBackground({
        to: user.email,
        subject: 'Reset your password',
        text: `Click the link to reset your password: ${url}`,
      });
    },
    onPasswordReset: async ({ user }, request) => {
      EmailSender.sendInBackground({
        to: user.email,
        subject: 'Reset your password result',
        text: `Password for user ${user.email} has been reset.`,
      });
    },
  },
  emailVerification: {
    sendOnSignIn: true,
    autoSignInAfterVerification: true,
    sendVerificationEmail: async ({ user, url }) => {
      EmailSender.sendInBackground({
        to: user.email,
        subject: 'Verify your email address',
        text: `Click the link to verify your email: ${url}`,
      });
    },
  },
  session: {
    freshAge: 0,
    cookieCache: {
      enabled: true,
      maxAge: 30,
    },
  },
});