/* ============================================================================
 * Copyright (c) SlashID
 *
 * This source code is licensed under the MIT license found in the
 * LICENSE file in the root directory of this source tree.
 * ========================================================================== */

import React from "react";

const getErrorMessage = (error: string) => {
  switch (error) {
    case "malformed phone number":
      return "The phone number you inserted is not valid";
    case "maformed email address":
      return "The email address you inserted is not valid";
    default:
      return error;
  }
};

const getMethodText = (method: string, identifierType: string) => {
  switch (method) {
    case "webauthn":
    case "webauthn_via_sms":
    case "webauthn_via_email":
      if (identifierType == "email_address") {
        return "You'll be prompted to validate your login via your device! If you are registering for the first time, you will receive an email to verify your email address.";
      }
      if (identifierType == "phone_number") {
        return "You'll be prompted to validate your login via your device! If you are registering for the first time, you will receive an SMS to verify your phone number.";
      }
      return "You'll be prompted to validate your login via your device! If you are registering for the first time you will receive a message to confirm your username first.";

    case "email_link":
    default:
      return "We have sent you a link via email. Follow the link provided to complete your registration.";
    case "sms_link":
      return "We have sent you a link via text. Follow the link provided to complete your registration.";
    case "otp_via_sms":
      return "We sent you a code via text. Please insert it.";
  }
};

const useValidateEmail = () => {
  const validateEmail = React.useCallback((email: string) => {
    const emailRegex =
      /^(([^<>()[\]\\.,;:\s@"]+(\.[^<>()[\]\\.,;:\s@"]+)*)|(".+"))@((\[[0-9]{1,3}\.[0-9]{1,3}\.[0-9]{1,3}\.[0-9]{1,3}\])|(([a-zA-Z\-0-9]+\.)+[a-zA-Z]{2,}))$/;

    if (String(email).toLowerCase().match(emailRegex)) {
      return true;
    } else {
      return false;
    }
  }, []);

  return { validateEmail };
};

const useValidateNumber = () => {
  const validateNumber = React.useCallback((number: string) => {
    const numberRegex = /^[\+](?=.*\d).{6,20}$/im;

    if (String(number).toLowerCase().match(numberRegex)) {
      return true;
    } else {
      return false;
    }
  }, []);

  return { validateNumber };
};

const filterOutOptions = (
  identifier: string | undefined,
  options: string[] | undefined
) => {
  if (!options) {
    return;
  }

  if (identifier === "email_address") {
    return options.filter((option) => option !== "webauthn_via_email");
  }

  if (identifier === "phone_number") {
    return options.filter((option) => option !== "webauthn_via_sms");
  }

  return;
};

export {
  filterOutOptions,
  useValidateEmail,
  useValidateNumber,
  getErrorMessage,
  getMethodText,
};