import React, {PropTypes} from 'react';
import {Button, TextField, Spinner, Success, Alert} from 'coral-ui';
import styles from './styles.css';
import I18n from 'coral-framework/modules/i18n/i18n';
import translations from '../translations';
const lang = new I18n(translations);

class SignUpContent extends React.Component {

  constructor (props) {
    super(props);
    this.successfulSignup = false;
  }

  static propTypes = {
    emailVerificationEnabled: PropTypes.bool.isRequired,
    fetchSignUpFacebook: PropTypes.func.isRequired,
    changeView: PropTypes.func.isRequired,
    handleSignUp: PropTypes.func.isRequired,
    showErrors: PropTypes.bool,
    errors: PropTypes.shape({
      email: PropTypes.string,
      username: PropTypes.string,
      password: PropTypes.string,
      confirmPassword: PropTypes.string,
    }),
    formData: PropTypes.shape({
      email: PropTypes.string,
      username: PropTypes.string,
      password: PropTypes.string,
      confirmPassword: PropTypes.string
    })
  }

  render () {

    const {
      handleChange,
      formData,
      emailVerificationEnabled,
      auth,
      errors,
      showErrors,
      changeView,
      handleSignUp,
      fetchSignUpFacebook} = this.props;

    const beforeSignup = !auth.isLoading && !auth.successSignUp;
    const successfulSignup = !auth.isLoading && auth.successSignUp;

    // the first time we render a successfulSignup, trigger a timer
    if ((this.successfulSignup ^ successfulSignup) && !emailVerificationEnabled) {
      setTimeout(() => {
        changeView('SIGNIN');
      }, 1000);
      this.successfulSignup = true;
    }

    return (
      <div>
        <div className={styles.header}>
          <h1>
            {lang.t('signIn.signUp')}
          </h1>
        </div>

        { auth.error && <Alert>{auth.error}</Alert> }
        { beforeSignup &&
          <div>
            <div className={styles.socialConnections}>
              <Button cStyle="facebook" onClick={fetchSignUpFacebook} full>
                {lang.t('signIn.facebookSignUp')}
              </Button>
            </div>
            <div className={styles.separator}>
              <h1>
                {lang.t('signIn.or')}
              </h1>
            </div>
            <form onSubmit={handleSignUp}>
              <TextField
                id="email"
                type="email"
                label={lang.t('signIn.email')}
                value={formData.email}
                style={{fontSize: 16}}
                showErrors={showErrors}
                errorMsg={errors.email}
                onChange={handleChange}
              />
              <TextField
                id="username"
                type="text"
                label={lang.t('signIn.username')}
                value={formData.username}
                showErrors={showErrors}
                style={{fontSize: 16}}
                errorMsg={errors.username}
                onChange={handleChange}
              />
              <TextField
                id="password"
                type="password"
                label={lang.t('signIn.password')}
                value={formData.password}
                showErrors={showErrors}
                style={{fontSize: 16}}
                errorMsg={errors.password}
                onChange={handleChange}
                minLength="8"
              />
              { errors.password && <span className={styles.hint}> Password must be at least 8 characters. </span> }
              <TextField
                id="confirmPassword"
                type="password"
                label={lang.t('signIn.confirmPassword')}
                value={formData.confirmPassword}
                style={{fontSize: 16}}
                showErrors={showErrors}
                errorMsg={errors.confirmPassword}
                onChange={handleChange}
                minLength="8"
              />
              <div className={styles.action}>
                <Button type="submit" cStyle="black" id='coralSignUpButton' className={styles.signInButton} full>
                  {lang.t('signIn.signUp')}
                </Button>
                { auth.isLoading && <Spinner /> }
              </div>
            </form>
          </div>
        }
        {
          successfulSignup &&
          <div>
            <Success />
            {
              emailVerificationEnabled &&
              <p>{lang.t('signIn.verifyEmail')}<br /><br />{lang.t('signIn.verifyEmail2')}</p>
            }
          </div>
        }
        <div className={styles.footer}>
          {lang.t('signIn.alreadyHaveAnAccount')} <a id="coralSignInViewTrigger" onClick={() => changeView('SIGNIN')}>
            {lang.t('signIn.signIn')}
          </a>
        </div>
      </div>
    );
  }
}

export default SignUpContent;