'use client'
import React, { useState } from 'react';
import {app, auth} from '@/app/firebase/config';
import { createUserWithEmailAndPassword, getAuth } from 'firebase/auth';
import { getApp } from 'firebase/app';
import { SOLOGIN_API } from '../shared';
import { useRouter } from 'next/navigation';

import { RegisterSologin } from '../sologin';

const SignUp = () => {
  const [email, setEmail] = useState('');
  const [password, setPassword] = useState('');
  const [error, setError] = useState<string | null>(null);

  const router = useRouter();

  const onLoginSuccess = ()=>{
    router.push('/');
  }

  const handleSubmit = async (e: React.FormEvent<HTMLFormElement>) => {
    e.preventDefault();
    try{
        createUserWithEmailAndPassword(auth, email, password)
        .then(async(userCredential) => {
          // Signed up 
          const user = userCredential.user;
          await RegisterSologin(userCredential.user);
          console.log(user);
          onLoginSuccess();

        })
        .catch((error) => {
          const errorCode = error.code;
          
          switch(errorCode){
            case 'auth/email-already-in-use':
              setError("This email address is already signed up. Forgot password?")
              break;

            default:
              setError("Something went wrong");
              break;
          }

        });

        setEmail('');
        setPassword('');
    }catch(e){
        console.error(e);
    }
  };

  return (
    <div className="min-h-screen bg-gray-900 flex items-center justify-center">
      <div className="bg-gray-800 p-8 rounded-lg shadow-lg w-full sm:w-96">
        <h2 className="text-3xl font-bold text-white mb-6">Sign Up</h2>
        <form onSubmit={handleSubmit}>
          <div className="mb-4">
            <label className="block text-sm text-gray-300 mb-2" htmlFor="email">
              Email Address
            </label>
            <input
              type="email"
              id="email"
              className="w-full p-3 bg-gray-700 text-white rounded-md focus:outline-none focus:ring-2 focus:ring-blue-500"
              placeholder="Enter your email"
              value={email}
              onChange={(e) => setEmail(e.target.value)}
              required
            />
          </div>
          <div className="mb-6">
            <label className="block text-sm text-gray-300 mb-2" htmlFor="password">
              Password
            </label>
            <input
              type="password"
              id="password"
              className="w-full p-3 bg-gray-700 text-white rounded-md focus:outline-none focus:ring-2 focus:ring-blue-500"
              placeholder="Enter your password"
              value={password}
              onChange={(e) => setPassword(e.target.value)}
              required
            />
          </div>
          <button
            type="submit"
            className="w-full py-3 bg-blue-600 text-white rounded-md hover:bg-blue-500 transition duration-300"
          >
            Sign Up
          </button>
        </form>
        <p className="mt-4 text-center text-sm text-gray-400">
          Already have an account?{' '}
          <a href="/signin" className="text-blue-400 hover:underline">
            Log In
          </a>
        </p>
      </div>
      {error && (
        <div className="fixed inset-0 flex items-center justify-center bg-black bg-opacity-50 z-50">
          <div className="bg-gray-800 p-6 rounded-lg shadow-lg">
            <h3 className="text-xl font-bold text-white mb-4">Error</h3>
            <p className="text-gray-300">{error}</p>
            <button
              className=" mt-4 px-4 py-2 bg-red-600 text-white rounded-md hover:bg-red-500"
              onClick={() => setError(null)}
            >
              Close
            </button>
          </div>
        </div>
      )}
    </div>
    
  );
};

export default SignUp;