import React from 'react';
import PropTypes from 'prop-types';
import { compose } from 'redux';
import { FormattedMessage, injectIntl, intlShape } from 'react-intl';
import { Form as FinalForm } from 'react-final-form';
import classNames from 'classnames';
import { propTypes } from '../../util/types';
import * as validators from '../../util/validators';
import { isPasswordRecoveryEmailNotFoundError } from '../../util/errors';
import { Form, PrimaryButton, FieldTextInput, NamedLink } from '../../components';

import css from './PasswordRecoveryForm.css';

const PasswordRecoveryFormComponent = props => (
  <FinalForm
    {...props}
    render={fieldRenderProps => {
      const {
        rootClassName,
        className,
        formId,
        handleSubmit,
        pristine,
        submitting,
        initialValues,
        intl,
        inProgress,
        recoveryError,
      } = fieldRenderProps;

      // email
      const emailLabel = intl.formatMessage({
        id: 'PasswordRecoveryForm.emailLabel',
      });
      const emailPlaceholder = intl.formatMessage({
        id: 'PasswordRecoveryForm.emailPlaceholder',
      });
      const emailRequiredMessage = intl.formatMessage({
        id: 'PasswordRecoveryForm.emailRequired',
      });
      const emailNotFoundMessage = intl.formatMessage({
        id: 'PasswordRecoveryForm.emailNotFound',
      });
      const emailInvalidMessage = intl.formatMessage({
        id: 'PasswordRecoveryForm.emailInvalid',
      });

      const emailRequired = validators.required(emailRequiredMessage);
      const emailValid = validators.emailFormatValid(emailInvalidMessage);

      // In case a given email is not found, pass a custom error message
      // to be rendered with the input component
      const customErrorText = isPasswordRecoveryEmailNotFoundError(recoveryError)
        ? emailNotFoundMessage
        : null;
      const initialEmail = initialValues ? initialValues.email : null;

      const classes = classNames(rootClassName || css.root, className);
      const submitInProgress = submitting || inProgress;
      const submitDisabled = (pristine && !initialEmail) || submitInProgress;

      const loginLink = (
        <NamedLink name="LoginPage" className={css.modalHelperLink}>
          <FormattedMessage id="PasswordRecoveryForm.loginLinkText" />
        </NamedLink>
      );

      return (
        <Form className={classes} onSubmit={handleSubmit}>
          <FieldTextInput
            className={css.email}
            type="email"
            id={formId ? `${formId}.email` : 'email'}
            name="email"
            autoComplete="email"
            label={emailLabel}
            placeholder={emailPlaceholder}
            validate={validators.composeValidators(emailRequired, emailValid)}
            customErrorText={customErrorText}
          />

          <div className={css.bottomWrapper}>
            <p className={css.bottomWrapperText}>
              <span className={css.modalHelperText}>
                <FormattedMessage id="PasswordRecoveryForm.loginLinkInfo" values={{ loginLink }} />
              </span>
            </p>

            <PrimaryButton type="submit" inProgress={submitInProgress} disabled={submitDisabled}>
              <FormattedMessage id="PasswordRecoveryForm.sendInstructions" />
            </PrimaryButton>
          </div>
        </Form>
      );
    }}
  />
);

PasswordRecoveryFormComponent.defaultProps = {
  rootClassName: null,
  className: null,
  formId: null,
  inProgress: false,
  recoveryError: null,
};

const { bool, string } = PropTypes;

PasswordRecoveryFormComponent.propTypes = {
  rootClassName: string,
  className: string,
  formId: string,

  inProgress: bool,
  recoveryError: propTypes.error,

  // from injectIntl
  intl: intlShape.isRequired,
};

const PasswordRecoveryForm = compose(injectIntl)(PasswordRecoveryFormComponent);
PasswordRecoveryForm.displayName = 'PasswordRecoveryForm';

export default PasswordRecoveryForm;