import React from 'react';
import {SelectField, Option} from 'react-mdl-selectfield';
import I18n from 'coral-framework/modules/i18n/i18n';
import translations from '../../translations.json';
import styles from './Configure.css';
import {Textfield, Checkbox} from 'react-mdl';
import {Card, Icon, Spinner} from 'coral-ui';

const TIMESTAMPS = {
  weeks: 60 * 60 * 24 * 7,
  days: 60 * 60 * 24,
  hours: 60 * 60
};

const updateCharCountEnable = (updateSettings, charCountChecked) => () => {
  const charCountEnable = !charCountChecked;
  updateSettings({charCountEnable});
};

const updateCharCount = (updateSettings, settingsError) => (event) => {
  const charCount = event.target.value;
  if (charCount.match(/[^0-9]/) || charCount.length === 0) {
    settingsError('charCount', true);
  } else {
    settingsError('charCount', false);
  }
  updateSettings({charCount: charCount});
};

const updateModeration = (updateSettings, mod) => () => {
  const moderation = mod === 'PRE' ? 'POST' : 'PRE';
  updateSettings({moderation});
};

const updateEmailConfirmation = (updateSettings, verify) => () => {
  updateSettings({requireEmailConfirmation: !verify});
};

const updateInfoBoxEnable = (updateSettings, infoBox) => () => {
  const infoBoxEnable = !infoBox;
  updateSettings({infoBoxEnable});
};

const updateInfoBoxContent = (updateSettings) => (event) => {
  const infoBoxContent =  event.target.value;
  updateSettings({infoBoxContent});
};

const updateClosedMessage = (updateSettings) => (event) => {
  const closedMessage = event.target.value;
  updateSettings({closedMessage});
};

const updateCustomCssUrl = (updateSettings) => (event) => {
  console.log('updateCustomCssUrl', event.target.value);
  const customCssUrl = event.target.value;
  updateSettings({customCssUrl});
};

// If we are changing the measure we need to recalculate using the old amount
// Same thing if we are just changing the amount
const updateClosedTimeout = (updateSettings, ts, isMeasure) => (event) => {
  if (isMeasure) {
    const amount = getTimeoutAmount(ts);
    const closedTimeout = amount * TIMESTAMPS[event];
    updateSettings({closedTimeout});
  } else {
    const val = event.target.value;
    const measure = getTimeoutMeasure(ts);
    const closedTimeout = val * TIMESTAMPS[measure];
    updateSettings({closedTimeout});
  }
};

const CommentSettings = ({fetchingSettings, title, updateSettings, settingsError, settings, errors}) => {
  if (fetchingSettings) {
    return <Card shadow="4"><Spinner/>Loading settings...</Card>;
  }

  // just putting this here for shorthand below
  const on = styles.enabledSetting;
  const off = styles.disabledSetting;

  return (
    <div className={styles.commentSettingsSection}>
      <h3>{title}</h3>
      <Card className={`${styles.configSetting} ${settings.moderation === 'PRE' ? on : off}`}>
        <div className={styles.action}>
          <Checkbox
            onChange={updateModeration(updateSettings, settings.moderation)}
            checked={settings.moderation === 'PRE'} />
        </div>
        <div className={styles.content}>
          <div className={styles.settingsHeader}>{lang.t('configure.enable-pre-moderation')}</div>
          <p className={settings.moderation === 'PRE' ? '' : styles.disabledSettingText}>
            {lang.t('configure.enable-pre-moderation-text')}
          </p>
        </div>
      </Card>
      <Card className={`${styles.configSetting} ${settings.requireEmailConfirmation ? on : off}`}>
        <div className={styles.action}>
          <Checkbox
            onChange={updateEmailConfirmation(updateSettings, settings.requireEmailConfirmation)}
            checked={settings.requireEmailConfirmation} />
        </div>
        <div className={styles.content}>
          <div className={styles.settingsHeader}>{lang.t('configure.require-email-verification')}</div>
          <p className={settings.requireEmailConfirmation ? '' : styles.disabledSettingText}>
            {lang.t('configure.require-email-verification-text')}
          </p>
        </div>
      </Card>
      <Card className={`${styles.configSetting} ${settings.charCountEnable ? on : off}`}>
        <div className={styles.action}>
          <Checkbox
            onChange={updateCharCountEnable(updateSettings, settings.charCountEnable)}
            checked={settings.charCountEnable} />
        </div>
        <div className={styles.content}>
          <div className={styles.settingsHeader}>{lang.t('configure.comment-count-header')}</div>
          <p className={settings.charCountEnable ? '' : styles.disabledSettingText}>
            <span>{lang.t('configure.comment-count-text-pre')}</span>
            <input type='text'
              className={`${styles.charCountTexfield} ${settings.charCountEnable && styles.charCountTexfieldEnabled}`}
              htmlFor='charCount'
              onChange={updateCharCount(updateSettings, settingsError)}
              value={settings.charCount}/>
            <span>{lang.t('configure.comment-count-text-post')}</span>
              {
                errors.charCount &&
                <span className={styles.settingsError}>
                  <br/>
                  <Icon name="error_outline"/>
                  {lang.t('configure.comment-count-error')}
                </span>
              }
          </p>
        </div>
      </Card>
      <Card className={`${styles.configSettingInfoBox} ${settings.infoBoxEnable ? on : off}`}>
        <div className={styles.action}>
          <Checkbox
            onChange={updateInfoBoxEnable(updateSettings, settings.infoBoxEnable)}
            checked={settings.infoBoxEnable} />
        </div>
        <div className={styles.content}>
          {lang.t('configure.include-comment-stream')}
          <p>
            {lang.t('configure.include-comment-stream-desc')}
          </p>
          <div className={`${styles.configSettingInfoBox} ${settings.infoBoxEnable ? null : styles.hidden}`} >
            <div className={styles.content}>
              <Textfield
                onChange={updateInfoBoxContent(updateSettings)}
                value={settings.infoBoxContent}
                label={lang.t('configure.include-text')}
                rows={3}/>
            </div>
          </div>
        </div>
      </Card>
      <Card className={styles.configSettingInfoBox}>
        <div className={styles.content}>
          {lang.t('configure.closed-comments-desc')}
          <div>
          <Textfield
            onChange={updateClosedMessage(updateSettings)}
            value={settings.closedMessage}
            label={lang.t('configure.closed-comments-label')}
            rows={3}/>
          </div>
        </div>
      </Card>
      <Card className={styles.configSettingInfoBox}>
        <div className={styles.content}>
          {lang.t('configure.close-after')}
          <br />
          <Textfield
            type='number'
            pattern='[0-9]+'
            style={{width: 50}}
            onChange={updateClosedTimeout(updateSettings, settings.closedTimeout)}
            value={getTimeoutAmount(settings.closedTimeout)}
            label={lang.t('configure.closed-comments-label')} />
          <div className={styles.configTimeoutSelect}>
            <SelectField
              label="comments closed time window"
              value={getTimeoutMeasure(settings.closedTimeout)}
              onChange={updateClosedTimeout(updateSettings, settings.closedTimeout, true)}>
              <Option value={'hours'}>{lang.t('configure.hours')}</Option>
              <Option value={'days'}>{lang.t('configure.days')}</Option>
              <Option value={'weeks'}>{lang.t('configure.weeks')}</Option>
            </SelectField>
          </div>
        </div>
      </Card>
      <Card className={styles.configSettingInfoBox}>
        <div className={styles.content}>
          {lang.t('configure.custom-css-url')}
          <p>{lang.t('configure.custom-css-url-desc')}</p>
          <br />
          <Textfield
            style={{width: '100%'}}
            label={lang.t('configure.custom-css-url')}
            value={settings.customCssUrl}
            onChange={updateCustomCssUrl(updateSettings)} />
        </div>
      </Card>
    </div>
  );
};

export default CommentSettings;

// To see if we are talking about weeks, days or hours
// We talk the remainder of the division and see if it's 0
const getTimeoutMeasure = ts => {
  if (ts % TIMESTAMPS['weeks'] === 0) {
    return 'weeks';
  } else if (ts % TIMESTAMPS['days'] === 0) {
    return 'days';
  } else if (ts % TIMESTAMPS['hours'] === 0) {
    return 'hours';
  }
};

// Dividing the amount by it's measure (hours, days, weeks) we
// obtain the amount of time
const getTimeoutAmount = ts => ts / TIMESTAMPS[getTimeoutMeasure(ts)];

const lang = new I18n(translations);