// @flow
import React from 'react';
import BusyIndicator from 'component/common/busy-indicator';
import Button from 'component/button';
import UserEmailNew from 'component/userEmailNew';
import UserEmailVerify from 'component/userEmailVerify';
import UserVerify from 'component/userVerify';
import Page from 'component/page';

type Props = {
  isPending: boolean,
  email: string,
  // Not sure why it isn't recognizing that we are using this prop type
  // Something to do with how we are passing all the props through probably
  pathAfterAuth: string, // eslint-disable-line react/no-unused-prop-types
  user: ?{
    has_verified_email: boolean,
    is_reward_approved: boolean,
    is_identity_verified: boolean,
  },
  navigate: (string, ?{}) => void,
};

class AuthPage extends React.PureComponent<Props> {
  componentWillMount() {
    this.navigateIfAuthenticated(this.props);
  }

  componentWillReceiveProps(nextProps: Props) {
    this.navigateIfAuthenticated(nextProps);
  }

  getTitle() {
    const { email, isPending, user } = this.props;

    if (isPending || (user && !user.has_verified_email && !email)) {
      return __('Human Proofing');
    } else if (user && !user.has_verified_email) {
      return __('Awaiting Confirmation');
    } else if (user && !user.is_identity_verified && !user.is_reward_approved) {
      return __('Final Verification');
    }
    return __('Welcome to LBRY');
  }

  navigateIfAuthenticated = (props: Props) => {
    const { isPending, user, pathAfterAuth, navigate } = props;
    if (
      !isPending &&
      user &&
      user.has_verified_email &&
      (user.is_reward_approved || user.is_identity_verified)
    ) {
      navigate(pathAfterAuth);
    }
  };

  renderMain() {
    const { email, isPending, user } = this.props;

    if (isPending) {
      return [<BusyIndicator message={__('Authenticating')} />, true];
    } else if (user && !user.has_verified_email && !email) {
      return [<UserEmailNew />, true];
    } else if (user && !user.has_verified_email) {
      return [<UserEmailVerify />, true];
    } else if (user && !user.is_identity_verified) {
      return [<UserVerify />, false];
    }
    return [<span className="empty">{__('No further steps.')}</span>, true];
  }

  render() {
    const { navigate } = this.props;
    const [innerContent, useTemplate] = this.renderMain();

    return (
      <Page>
        {useTemplate ? (
          <section className="card card--section">
            <header className="card__header card__header--flat">
              <h2 className="card__title">{this.getTitle()}</h2>
            </header>

            <div className="card__content">
              {innerContent}

              <p className="help">
                {`${__(
                  'This information is disclosed only to LBRY, Inc. and not to the LBRY network. It is only required to earn LBRY rewards and may be used to sync usage data across devices.'
                )} `}
                <Button
                  button="link"
                  onClick={() => navigate('/discover')}
                  label={__('Return home.')}
                />
              </p>
            </div>
          </section>
        ) : (
          innerContent
        )}
      </Page>
    );
  }
}

export default AuthPage;
