const { Amplify, Auth } = aws_amplify;

const awsmobile = {
  aws_project_region: "eu-west-2",
  aws_cognito_region: "eu-west-2",
  aws_user_pools_id: "eu-west-2_XZRTeISo4",
  aws_user_pools_web_client_id: "6l6072jf2u47uenanaivf75gj8",
  oauth: {},
  aws_cognito_username_attributes: [],
  aws_cognito_social_providers: [],
  aws_cognito_signup_attributes: ["EMAIL"],
  aws_cognito_mfa_configuration: "OFF",
  aws_cognito_mfa_types: ["SMS"],
  aws_cognito_password_protection_settings: {
    passwordPolicyMinLength: 8,
    passwordPolicyCharacters: [],
  },
  aws_cognito_verification_mechanisms: ["EMAIL"],
  storage: localStorage,
  cookieStorage: {
    domain: "localhost:5500", //'.mapcite.com',
    expires: 30,
  },
};

function parseJwt(token) {
  let base64Url = token.split(".")[1];
  let base64 = base64Url.replace(/-/g, "+").replace(/_/g, "/");
  let jsonPayload = decodeURIComponent(
    window
      .atob(base64)
      .split("")
      .map(function (c) {
        return "%" + ("00" + c.charCodeAt(0).toString(16)).slice(-2);
      })
      .join("")
  );

  return JSON.parse(jsonPayload);
}

function checkForGroup(group=""){
  let jwt = parseJwt(Auth.user.signInUserSession.accessToken.jwtToken); 
  let groups = jwt["cognito:groups"] || [];
  return !!(group === "" || groups.includes(group));
}

Amplify.configure(awsmobile);

async function signIn(username, password) {
  return await Auth.signIn(username, password).then((user) => {
    if (user.challengeName === "NEW_PASSWORD_REQUIRED") {
      let newPassword = prompt("Please enter a new password", "Password1!");
      Auth.completeNewPassword(
        user, // the Cognito User Object
        newPassword // the new password
      ).then((userObject) => {
        // at this time the user is logged in if no MFA required
        return userObject;
      });
    } else {
      // other situations
    }
    return user;
  });
}

async function signOutAuth() {
  console.log("signed out");
  //document.getElementById("signInButton").style.display = "block";
  document.getElementById("signOutButton").style.display = "none";
   Auth.signOut();
}

let modelClosed = () => {};

function openModal() {
  let logInModal = bootstrap.Modal.getOrCreateInstance(document.getElementById("logInModal"));
  logInModal.show();
}
function closeModal() {
  let logInModal = bootstrap.Modal.getOrCreateInstance(document.getElementById("logInModal"));
  logInModal.hide();
  modelClosed();
  console.log("modelClosed");
  ///
  //location.replace("/review_page_frontend/externalListing/review.html");
}

//setup doc events
function loginSetup(authRequired = false) {
  return new Promise((resolve, _reject) => {
    console.log("loginSetup");
    //user logged in
    if (Auth.user != null) {
      console.log("Auth.user");
      return resolve();
    } else {
      // user not logged in
      if (authRequired) {
        // page requires user to be logged in
        //open modal
        console.log("openModal");
        setTimeout(() => {
          console.log("TimeoutopenModal");
          openModal();
        }, 125);
        

        //wait for  user to log in
        modelClosed = () => {
          console.log("modelClosedInside");
          return loginSetup(authRequired).then((res) => {
            return res;
          });
        };

        //return Promise.resolve(false);
      }
      else{
      //page doesn't require a user to be logged in
      return resolve();
      }
    }
  });
}

//trigger login
async function loginButton() {
  let username = document.getElementById("email_address").value;
  let password = document.getElementById("login_password").value;

  const user = await signIn(username, password);
  console.log(user);
  if (user != null) {
    console.log("log in!");
    //document.getElementById("signInButton").style.display = "none";
    document.getElementById("signOutButton").style.display = "block";
    document.getElementById("email_address").value = "";
    document.getElementById("login_password").value = "";
    closeModal();
    
  } else {
    console.log("Failed!");
    document.getElementById("login_password").value = "";
  }
}

//check for authed User

async function authUser() {
  let isUserAuthed = await Auth.currentAuthenticatedUser().catch((err) => {
    console.log(err);
    return false;
  });

  if (isUserAuthed) {
    document.addEventListener("DOMContentLoaded", function (_event) {
      //change button to be log out
      //document.getElementById("signInButton").style.display = "none";
      document.getElementById("signOutButton").style.display = "block";
    });
  } else {

    return isUserAuthed;
  }
}

//fetch replacement to added auth if available

(async () => {
  authUser();
})();