import React, { PureComponent } from 'react';
import PropTypes from 'prop-types';

import Button from '../../../components/ui/button';
import { SUPPORT_REQUEST_LINK } from '../../../helpers/constants/common';
import { isBeta } from '../../../helpers/utils/build-types';
import {
  getNumberOfSettingsInSection,
  handleSettingsRefs,
} from '../../../helpers/utils/settings-search';
import {
  EVENT,
  EVENT_NAMES,
  CONTEXT_PROPS,
} from '../../../../shared/constants/metametrics';
import { SUPPORT_LINK } from '../../../../shared/lib/ui-utils';

export default class InfoTab extends PureComponent {
  state = {
    version: global.platform.getVersion(),
  };

  static contextTypes = {
    t: PropTypes.func,
    trackEvent: PropTypes.func,
  };

  settingsRefs = Array(
    getNumberOfSettingsInSection(this.context.t, this.context.t('about')),
  )
    .fill(undefined)
    .map(() => {
      return React.createRef();
    });

  componentDidUpdate() {
    const { t } = this.context;
    handleSettingsRefs(t, t('about'), this.settingsRefs);
  }

  componentDidMount() {
    const { t } = this.context;
    handleSettingsRefs(t, t('about'), this.settingsRefs);
  }

  renderInfoLinks() {
    const { t } = this.context;

    return (
      <div className="settings-page__content-item settings-page__content-item--without-height">
        <div ref={this.settingsRefs[1]} className="info-tab__link-header">
          {t('links')}
        </div>
        <div ref={this.settingsRefs[2]} className="info-tab__link-item">
          <Button
            type="link"
            href="https://metamask.io/privacy.html"
            target="_blank"
            rel="noopener noreferrer"
            className="info-tab__link-text"
          >
            {t('privacyMsg')}
          </Button>
        </div>
        <div ref={this.settingsRefs[3]} className="info-tab__link-item">
          <Button
            type="link"
            href="https://metamask.io/terms.html"
            target="_blank"
            rel="noopener noreferrer"
            className="info-tab__link-text"
          >
            {t('terms')}
          </Button>
        </div>
        <div ref={this.settingsRefs[4]} className="info-tab__link-item">
          <Button
            type="link"
            href="https://metamask.io/attributions.html"
            target="_blank"
            rel="noopener noreferrer"
            className="info-tab__link-text"
          >
            {t('attributions')}
          </Button>
        </div>
        <hr className="info-tab__separator" />
        <div ref={this.settingsRefs[5]} className="info-tab__link-item">
          <Button
            type="link"
            href={SUPPORT_LINK}
            target="_blank"
            rel="noopener noreferrer"
            className="info-tab__link-text"
            onClick={() => {
              this.context.trackEvent(
                {
                  category: EVENT.CATEGORIES.SETTINGS,
                  event: EVENT_NAMES.SUPPORT_LINK_CLICKED,
                  properties: {
                    url: SUPPORT_LINK,
                  },
                },
                {
                  contextPropsIntoEventProperties: [CONTEXT_PROPS.PAGE_TITLE],
                },
              );
            }}
          >
            {t('supportCenter')}
          </Button>
        </div>
        <div ref={this.settingsRefs[6]} className="info-tab__link-item">
          <Button
            type="link"
            href="https://metamask.io/"
            target="_blank"
            rel="noopener noreferrer"
            className="info-tab__link-text"
          >
            {t('visitWebSite')}
          </Button>
        </div>
        <div ref={this.settingsRefs[7]} className="info-tab__link-item">
          <Button
            type="link"
            href={SUPPORT_REQUEST_LINK}
            target="_blank"
            rel="noopener noreferrer"
            className="info-tab__link-text"
            onClick={() => {
              this.context.trackEvent(
                {
                  category: EVENT.CATEGORIES.SETTINGS,
                  event: EVENT_NAMES.SUPPORT_LINK_CLICKED,
                  properties: {
                    url: SUPPORT_REQUEST_LINK,
                  },
                },
                {
                  contextPropsIntoEventProperties: [CONTEXT_PROPS.PAGE_TITLE],
                },
              );
            }}
          >
            {t('contactUs')}
          </Button>
        </div>
      </div>
    );
  }

  render() {
    const { t } = this.context;

    return (
      <div className="settings-page__body">
        <div className="settings-page__content-row">
          <div className="settings-page__content-item settings-page__content-item--without-height">
            <div className="info-tab__item">
              <div
                ref={this.settingsRefs[0]}
                className="info-tab__version-header"
              >
                {isBeta() ? t('betaMetamaskVersion') : t('metamaskVersion')}
              </div>
              <div className="info-tab__version-number">
                {this.state.version}
              </div>
            </div>
            <div className="info-tab__item">
              <div className="info-tab__about">{t('builtAroundTheWorld')}</div>
            </div>
          </div>
          {this.renderInfoLinks()}
        </div>
        <div className="info-tab__logo-wrapper">
          <img
            src="./images/logo/metamask-fox.svg"
            className="info-tab__logo"
            alt="MetaMask Logo"
          />
        </div>
      </div>
    );
  }
}