import { Modal } from "flowbite";
import RedirectTo from '../../lib/redirect_to';
import { useEffect, useState } from "react";
import { ApiClient } from "../../clients/api_client";
import Token from "../../lib/token";
import "../stylesheets/shared.css"
import redirectTo from "../../lib/redirect_to";

export function LoginForm() {
  const [error_message, setErrorMessage] = useState('');

  // Error rendering useEffect
  useEffect(() => {
    document.getElementById("errorMessage").innerHTML = error_message;
  }, [error_message]);

  // Modal useEffect
  useEffect(() => {
    const target = document.getElementById("loginModal");
    const options = {
      closable: true
    };
    const modal = new Modal(target, options);
    document.getElementById('closeModalButton')?.addEventListener("click", () => {
      modal.hide();
    });

    document.getElementById('loginButton')?.addEventListener("click", () => {
      modal.show();
    });
  }, []);

  async function handleLogin(event) {
    event.preventDefault();
    const client = new ApiClient();
    const form = event.target;
    const formData = new FormData(form);
    const headers = {
      "Content-Type": "multipart/form-data"
    };

    try {
      const response = await client.post("/login", formData, headers);
      const token = new Token();
      token.set(response.data.token);
      token.setRefresh(response.data.refresh);
      redirectTo('/products');
    } catch(error) {
      setErrorMessage(error.response.data.errors.auth);
    }
  }

  return(
    <>
      <div id="loginModal" tabIndex={-1} aria-hidden="true" className="fixed top-0 left-0 right-0 z-50 hidden w-full p-4 overflow-x-hidden overflow-y-auto md:inset-0 h-[calc(100%-1rem)] max-h-full">
        <div className="relative w-full max-w-2xl max-h-full">
          <div className="relative bg-white rounded-lg shadow dark:bg-gray-700">
            <div className="flex items-start justify-between p-4 border-b rounded-t dark:border-gray-600">
              <h3 className="text-xl font-semibold text-gray-900 dark:text-white">
                Inicio de sesión
              </h3>
              <button type="button" id="closeModalButton" className="text-gray-400 bg-transparent hover:bg-gray-200 hover:text-gray-900 rounded-lg text-sm p-1.5 ml-auto inline-flex items-center dark:hover:bg-gray-600 dark:hover:text-white">
                <svg aria-hidden="true" className="w-5 h-5" fill="currentColor" viewBox="0 0 20 20" xmlns="http://www.w3.org/2000/svg"><path fillRule="evenodd" d="M4.293 4.293a1 1 0 011.414 0L10 8.586l4.293-4.293a1 1 0 111.414 1.414L11.414 10l4.293 4.293a1 1 0 01-1.414 1.414L10 11.414l-4.293 4.293a1 1 0 01-1.414-1.414L8.586 10 4.293 5.707a1 1 0 010-1.414z" clipRule="evenodd"></path></svg>
                <span className="sr-only">Cerrar</span>
              </button>
            </div>
            <form method="post" id="login-form" onSubmit={handleLogin}>
              <div className="p-6 space-y-6">
                <div className="mb-6">
                  <label className="block mb-2 text-sm font-medium text-gray-900 dark:text-white">Correo electrónico</label>
                  <input name="email" type="email" id="email" className="bg-gray-50 border border-gray-300 text-gray-900 text-sm rounded-lg focus:ring-blue-500 focus:border-blue-500 block w-full p-2.5 dark:bg-gray-700 dark:border-gray-600 dark:placeholder-gray-400 dark:text-white dark:focus:ring-blue-500 dark:focus:border-blue-500" placeholder="tu_correo@gmail.com" required/>
                </div>
                <div className="mb-6">
                  <label className="block mb-2 text-sm font-medium text-gray-900 dark:text-white">Contraseña</label>
                  <input name="password" type="password" id="password" className="bg-gray-50 border border-gray-300 text-gray-900 text-sm rounded-lg focus:ring-blue-500 focus:border-blue-500 block w-full p-2.5 dark:bg-gray-700 dark:border-gray-600 dark:placeholder-gray-400 dark:text-white dark:focus:ring-blue-500 dark:focus:border-blue-500" required/>
                </div>
                <span id="errorMessage" className=" mb-6 my-4 text-red-600">
                  { /* Render error message in case of errors */}
                </span>
                <div className="flex items-center p-6 space-x-2 border-t border-gray-200 rounded-b dark:border-gray-600">
                  <button type="submit" className="text-white button hover:bg-blue-800 font-medium rounded-lg text-sm w-full sm:w-auto px-5 py-2.5 text-center">
                    Iniciar sesión
                  </button>
                </div>
              </div>
            </form>
          </div>
        </div>
      </div>
    </>
  );
}