import { use, useEffect, useState } from 'react';
import Layout from '../../components/layout';
import axiosInstance from "../../src/axiosSecure";
import common from '../../src/helpers/common';
import { EventLogType } from '@prisma/client';
import { useRouter } from "next/router";

export default function ResetPassword(req, res) {
    const [email, setEmail] = useState('');
    const [message, setMessage] = useState('');
    const [resetToken, setResetToken] = useState(req.query?.resetToken || '');
    const [isConfirmed, setIsConfirmed] = useState(false);
    const router = useRouter();


    useEffect(async () => {
        if (resetToken) {
            const prisma = common.getPrismaClient();
            let eventLog = await prisma.eventLog.findUnique({
                where: {
                    content: resetToken,
                    type: EventLogType.PasswordResetEmailConfirmed,
                    date: {
                        gt: new Date(new Date().getTime() - 24 * 60 * 60 * 1000) //24 hours
                    }
                }
            });
            if (eventLog) {
                setIsConfirmed(true);
            }
        }
    }, [resetToken]);

    const handleResetRequest = async (event) => {
        event.preventDefault();
        // Call your email API endpoint here
        try {
            const response = await axiosInstance.post('/api/email?action=account&emailaction=resetPassword', { email },
                { headers: { 'Content-Type': 'application/json' } });
            if (response.data.message) {
                setMessage(response.data.message);
            } else {
                if (response.ok) {
                    setMessage('Провери твоя имейл за инструкции как да промениш паролата си.');
                } else {
                    if (response.error) {
                        setMessage(response.error);
                    }
                }
            }
        } catch (error) {
            setMessage(error.message);
        }
    };

    const setNewPassword = async (event) => {
        event.preventDefault();

        try {
            const prisma = common.getPrismaClient();
            const user = await prisma.user.findUnique({
                where: {
                    email
                }
            });
            if (!user) {
                throw new Error('Няма потребител с този имейл.');
            }

            const passHash = await crypto.hash(event.target.newPassword.value, 10);
            await prisma.user.update({
                where: {
                    email
                },
                data: {
                    passwordHashLocalAccount: passHash
                }
            });
            setMessage('Паролата беше успешно променена.');
            router.push('/auth/signin');

        } catch (error) {
            setMessage(error.message);
        }
    }


    return (
        <Layout>
            <div className="min-h-screen flex items-center justify-center">
                <div className="w-full max-w-md p-8 space-y-6 bg-white shadow-lg rounded-lg">
                    <h1 className="text-xl font-bold text-center">Променете паролата си</h1>
                    <form onSubmit={handleResetRequest} className="space-y-4">
                        {!isConfirmed &&
                            <div>
                                <label htmlFor="email" className="block text-sm font-medium text-gray-700">имейл</label>
                                <input
                                    id="email"
                                    type="email"
                                    required
                                    value={email}
                                    onChange={(e) => setEmail(e.target.value)}
                                    className="mt-1 block w-full px-3 py-2 border border-gray-300 rounded-md shadow-sm focus:outline-none focus:ring-indigo-500 focus:border-indigo-500 sm:text-sm"
                                />
                            </div>}

                        {isConfirmed &&
                            <div>
                                <label htmlFor="newPassword" className="block text-sm font-medium text-gray-700">имейл</label>
                                <input
                                    id="newPassword"
                                    type="password"
                                    required
                                    value={newPassword}
                                    onChange={(e) => setNewPassword(e.target.value)}
                                    className="mt-1 block w-full px-3 py-2 border border-gray-300 rounded-md shadow-sm focus:outline-none focus:ring-indigo-500 focus:border-indigo-500 sm:text-sm"
                                />
                            </div>}
                        <div>
                            <button type="submit" className="w-full flex justify-center py-2 px-4 border border-transparent rounded-md shadow-sm text-sm font-medium text-white bg-blue-600 hover:bg-blue-700">
                                Изпрати линк за промяна на паролата
                            </button>
                            <button type="button" className="mt-4 w-full flex justify-center py-2 px-4 border border-transparent rounded-md shadow-sm text-sm font-medium text-blue-600 hover:text-blue-700 focus:outline-none"
                                onClick={() => window.location.href = '/auth/signin'}
                            >
                                страница за вход
                            </button>
                        </div>
                        {message && <div className="text-center text-sm text-gray-500">{message}</div>}
                    </form>
                </div>
            </div>
        </Layout>
    );
}