// @flow
import React, { useState } from 'react';
import { FormField, Form } from 'component/common/form';
import Button from 'component/button';
import { Lbryio } from 'lbryinc';
import analytics from 'analytics';
import { EMAIL_REGEX } from 'constants/email';
import I18nMessage from 'component/i18nMessage';

type Props = {
  errorMessage: ?string,
  isPending: boolean,
  addUserEmail: string => void,
  syncEnabled: boolean,
  setSync: boolean => void,
  balance: number,
};

function UserEmailNew(props: Props) {
  const { errorMessage, isPending, addUserEmail, setSync } = props;
  const [newEmail, setEmail] = useState('');
  const [formSyncEnabled, setFormSyncEnabled] = useState(true);
  const valid = newEmail.match(EMAIL_REGEX);

  function handleSubmit() {
    setSync(formSyncEnabled);
    addUserEmail(newEmail);
    analytics.emailProvidedEvent();

    // @if TARGET='web'
    Lbryio.call('user_tag', 'edit', { add: 'lbrytv' });
    // @endif
  }

  return (
    <React.Fragment>
      <h1 className="section__title--large">{__('Welcome To LBRY')}</h1>
      <p className="section__subtitle">{__('Create a new account or sign in.')}</p>
      <Form onSubmit={handleSubmit} className="section__body">
        <FormField
          autoFocus
          className="form-field--short"
          placeholder={__('hotstuff_96@hotmail.com')}
          type="email"
          name="sign_up_email"
          label={__('Email')}
          value={newEmail}
          error={errorMessage}
          onChange={e => setEmail(e.target.value)}
        />

        {!IS_WEB && (
          <FormField
            type="checkbox"
            name="sync_checkbox"
            label={
              <React.Fragment>
                {__('Sync balance and preferences across devices.')}{' '}
                <Button button="link" href="https://lbry.com/faq/account-sync" label={__('Learn More')} />
              </React.Fragment>
            }
            helper={
              <React.Fragment>
                <I18nMessage
                  tokens={{
                    terms: (
                      <Button button="link" href="https://www.lbry.com/termsofservice" label={__('Terms of Service')} />
                    ),
                  }}
                >
                  By continuing, I agree to the %terms% and confirm I am over the age of 13.
                </I18nMessage>
              </React.Fragment>
            }
            checked={formSyncEnabled}
            onChange={() => setFormSyncEnabled(!formSyncEnabled)}
          />
        )}
        <div className="card__actions">
          <Button button="primary" type="submit" label={__('Continue')} disabled={!newEmail || !valid || isPending} />
        </div>
      </Form>
    </React.Fragment>
  );
}

export default UserEmailNew;