import React, {useContext, useState} from "react";
import FlexibleForm from "../components/FlexibleForm";
import benefitTwoImg from "../assets/img/benefit-two.png";
import { AuthContext } from '../providers/AuthContext';
import {useNavigate} from "react-router-dom";
const Login = () => {
    const navigate = useNavigate();
    const { login } = useContext(AuthContext);
    const [formData, setFormData] = useState({
        email: "",
        password: "",
    });

    const handleChange = (e) => {
        const { name, value } = e.target;
        setFormData((prevData) => ({
            ...prevData,
            [name]: value,
        }));
    };

    const handleSubmit = async (event) => {
        event.preventDefault();
        const { email, password } = formData;
        const basicAuth = btoa(`${email}:${password}`)

        try {
            const response = await fetch(process.env.REACT_APP_LOGIN_ROUTE, {
                method: "GET",
                headers: {
                    'Content-Type': 'application/json',
                    'Authorization': `Basic ${basicAuth}`,
                },
            });
            if (response.ok) {
                const jwt = await response.text();
                const tokenParts = jwt.split(".")
                const decodedPayload = atob(tokenParts[1]);
                const payload = JSON.parse(decodedPayload);
                const userId = payload.sub;

                const userDetailsResponse = await fetch(process.env.REACT_APP_REGISTER_ROUTE + '/' + userId , {
                    method: "GET",
            });

                if (userDetailsResponse.ok) {
                    const userDetails = await userDetailsResponse.json();
                    login(userDetails, jwt);
                    navigate("/")

                } else { console.error("Failed to fetch details") }

            } else { console.error("Login failed") }

        } catch (error) {
            console.error('Error submitting form:', error);
        }
    }

    return (
        <>
            <FlexibleForm
                onFormSubmit={handleSubmit}
                data={{
                    image: benefitTwoImg,
                    title: "Sign in to your account",
                    subtitle: "Sign in please",
                    formFields: [
                        { label: "Email address", name: "email", type: "email", autoComplete: "email", required: true, value: formData.email, onChange: handleChange },
                        { label: "Password", name: "password", type: "password", autoComplete: "current-password", required: true, value: formData.password, onChange: handleChange },
                    ],
                    ctaText: "Login",
                    ctaLink: { text: "Don't have an account?", linkText: "Create an account instead!", url: "/sign-up" },
                    underneathButton: { url: "/forgot-password", text: "Forgot Password?" }
                }}
            />
        </>
    );
};

export default Login;