/* eslint-disable react/no-danger */
import React from 'react';
import PropTypes from 'prop-types';
import { Collapse } from 'reactstrap';
import { withTranslation } from 'react-i18next';

import { validateDeleteConfigs } from '~/utils/page-delete-config';
import { withUnstatedContainers } from '../../UnstatedUtils';
import { toastSuccess, toastError } from '~/client/util/apiNotification';
import { PageDeleteConfigValue } from '~/interfaces/page-delete-config';
import AppContainer from '~/client/services/AppContainer';
import AdminGeneralSecurityContainer from '~/client/services/AdminGeneralSecurityContainer';

// used as the prefix of translation
const DeletionTypeForT = Object.freeze({
  Deletion: 'deletion',
  CompleteDeletion: 'complete_deletion',
  RecursiveDeletion: 'recursive_deletion',
  RecursiveCompleteDeletion: 'recursive_complete_deletion',
});

const DeletionType = Object.freeze({
  Deletion: 'deletion',
  CompleteDeletion: 'completeDeletion',
  RecursiveDeletion: 'recursiveDeletion',
  RecursiveCompleteDeletion: 'recursiveCompleteDeletion',
});

const getDeletionTypeForT = (deletionType) => {
  switch (deletionType) {
    case DeletionType.Deletion:
      return DeletionTypeForT.Deletion;
    case DeletionType.RecursiveDeletion:
      return DeletionTypeForT.RecursiveDeletion;
    case DeletionType.CompleteDeletion:
      return DeletionTypeForT.CompleteDeletion;
    case DeletionType.RecursiveCompleteDeletion:
      return DeletionTypeForT.RecursiveCompleteDeletion;
  }
};

/**
 * Return true if "deletionType" is DeletionType.RecursiveDeletion or DeletionType.RecursiveCompleteDeletion.
 * @param deletionType Deletion type
 * @returns boolean
 */
const isRecursiveDeletion = (deletionType) => {
  return deletionType === DeletionType.RecursiveDeletion || deletionType === DeletionType.RecursiveCompleteDeletion;
};

/**
 * Return true if "deletionType" is DeletionType.Deletion or DeletionType.RecursiveDeletion.
 * @param deletionType Deletion type
 * @returns boolean
 */
const isTypeDeletion = (deletionType) => {
  return deletionType === DeletionType.Deletion || deletionType === DeletionType.RecursiveDeletion;
};

class SecuritySetting extends React.Component {

  constructor(props) {
    super(props);

    this.putSecuritySetting = this.putSecuritySetting.bind(this);
    this.getRecursiveDeletionConfigState = this.getRecursiveDeletionConfigState.bind(this);
    this.setDeletionConfigState = this.setDeletionConfigState.bind(this);
    this.renderPageDeletePermission = this.renderPageDeletePermission.bind(this);
    this.renderPageDeletePermissionDropdown = this.renderPageDeletePermissionDropdown.bind(this);
  }

  async putSecuritySetting() {
    const { t, adminGeneralSecurityContainer } = this.props;
    try {
      await adminGeneralSecurityContainer.updateGeneralSecuritySetting();
      toastSuccess(t('security_setting.updated_general_security_setting'));
    }
    catch (err) {
      toastError(err);
    }
  }

  getRecursiveDeletionConfigState(deletionType) {
    const { adminGeneralSecurityContainer } = this.props;

    if (isTypeDeletion(deletionType)) {
      return [
        adminGeneralSecurityContainer.state.currentPageRecursiveDeletionAuthority,
        adminGeneralSecurityContainer.changePageRecursiveDeletionAuthority,
      ];
    }

    return [
      adminGeneralSecurityContainer.state.currentPageRecursiveCompleteDeletionAuthority,
      adminGeneralSecurityContainer.changePageRecursiveCompleteDeletionAuthority,
    ];
  }

  /**
   * Force update deletion config for recursive operation when the deletion config for general operation is updated.
   * @param deletionType Deletion type
   */
  setDeletionConfigState(newState, setState, deletionType) {
    if (isRecursiveDeletion(deletionType)) {
      setState(newState);

      return;
    }

    const [recursiveState, setRecursiveState] = this.getRecursiveDeletionConfigState(deletionType);
    const shouldForceUpdate = !validateDeleteConfigs(newState, recursiveState);
    if (shouldForceUpdate) {
      setState(newState);
      setRecursiveState(newState);
    }
    else {
      setState(newState);
    }

    return;
  }

  renderPageDeletePermissionDropdown(currentState, setState, deletionType, isButtonDisabled) {
    const { t } = this.props;
    return (
      <div className="dropdown">
        <button
          className="btn btn-outline-secondary dropdown-toggle text-right"
          type="button"
          id="dropdownMenuButton"
          data-toggle="dropdown"
          aria-haspopup="true"
          aria-expanded="true"
        >
          <span className="float-left">
            {currentState === PageDeleteConfigValue.Inherit && t('security_setting.inherit')}
            {(currentState === PageDeleteConfigValue.Anyone || currentState == null) && t('security_setting.anyone')}
            {currentState === PageDeleteConfigValue.AdminOnly && t('security_setting.admin_only')}
            {currentState === PageDeleteConfigValue.AdminAndAuthor && t('security_setting.admin_and_author')}
          </span>
        </button>
        <div className="dropdown-menu" aria-labelledby="dropdownMenuButton">
          {
            isRecursiveDeletion(deletionType)
              ? (
                <button
                  className="dropdown-item"
                  type="button"
                  onClick={() => { this.setDeletionConfigState(PageDeleteConfigValue.Inherit, setState, deletionType) }}
                >
                  {t('security_setting.inherit')}
                </button>
              )
              : (
                <button
                  className="dropdown-item"
                  type="button"
                  onClick={() => { this.setDeletionConfigState(PageDeleteConfigValue.Anyone, setState, deletionType) }}
                >
                  {t('security_setting.anyone')}
                </button>
              )
          }
          <button
            className={`dropdown-item ${isButtonDisabled ? 'disabled' : ''}`}
            type="button"
            onClick={() => { this.setDeletionConfigState(PageDeleteConfigValue.AdminAndAuthor, setState, deletionType) }}
          >
            {t('security_setting.admin_and_author')}
          </button>
          <button
            className="dropdown-item"
            type="button"
            onClick={() => { this.setDeletionConfigState(PageDeleteConfigValue.AdminOnly, setState, deletionType) }}
          >
            {t('security_setting.admin_only')}
          </button>
        </div>
        <p className="form-text text-muted small">
          {t(`security_setting.${getDeletionTypeForT(deletionType)}_explain`)}
        </p>
      </div>
    );
  }

  renderPageDeletePermission(currentState, setState, deletionType, isButtonDisabled) {
    const { t, adminGeneralSecurityContainer } = this.props;

    const expandOtherOptions = isTypeDeletion(deletionType)
      ? adminGeneralSecurityContainer.state.expandOtherOptionsForDeletion
      : adminGeneralSecurityContainer.state.expandOtherOptionsForCompleteDeletion;

    const setExpantOtherOptions = () => {
      if (isTypeDeletion(deletionType)) {
        adminGeneralSecurityContainer.switchExpandOtherOptionsForDeletion();
        return;
      }
      adminGeneralSecurityContainer.switchExpandOtherOptionsForCompleteDeletion();
      return;
    };

    return (
      <div key={`page-delete-permission-dropdown-${deletionType}`} className="row">

        <div className="col-md-3 text-md-right">
          {!isRecursiveDeletion(deletionType) && isTypeDeletion(deletionType) && (
            <strong>{t('security_setting.page_delete')}</strong>
          )}
          {!isRecursiveDeletion(deletionType) && !isTypeDeletion(deletionType) && (
            <strong>{t('security_setting.page_delete_completely')}</strong>
          )}
        </div>

        <div className="col-md-6">
          {
            !isRecursiveDeletion(deletionType)
              ? (
                <>{this.renderPageDeletePermissionDropdown(currentState, setState, deletionType, isButtonDisabled)}</>
              )
              : (
                <>
                  <button
                    type="button"
                    className="btn btn-link p-0 mb-4"
                    aria-expanded="false"
                    onClick={() => setExpantOtherOptions()}
                  >
                    <i className={`fa fa-fw fa-arrow-right ${expandOtherOptions ? 'fa-rotate-90' : ''}`}></i>
                    { t('security_setting.other_options') }
                  </button>
                  <Collapse isOpen={expandOtherOptions}>
                    <div className="pb-4">
                      {this.renderPageDeletePermissionDropdown(currentState, setState, deletionType, isButtonDisabled)}
                    </div>
                  </Collapse>
                </>
              )
          }
        </div>
      </div>
    );
  }

  render() {
    const { t, adminGeneralSecurityContainer } = this.props;
    const {
      currentRestrictGuestMode, currentPageDeletionAuthority, currentPageCompleteDeletionAuthority,
      currentPageRecursiveDeletionAuthority, currentPageRecursiveCompleteDeletionAuthority,
    } = adminGeneralSecurityContainer.state;

    const isButtonDisabledForDeletion = !validateDeleteConfigs(
      adminGeneralSecurityContainer.state.currentPageDeletionAuthority, PageDeleteConfigValue.AdminAndAuthor,
    );

    const isButtonDisabledForCompleteDeletion = !validateDeleteConfigs(
      adminGeneralSecurityContainer.state.currentPageCompleteDeletionAuthority, PageDeleteConfigValue.AdminAndAuthor,
    );

    return (
      <React.Fragment>
        <h2 className="alert-anchor border-bottom">
          {t('security_settings')}
        </h2>

        {adminGeneralSecurityContainer.retrieveError != null && (
          <div className="alert alert-danger">
            <p>{t('Error occurred')} : {adminGeneralSecurityContainer.retrieveError}</p>
          </div>
        )}

        <h4 className="mt-4">{ t('security_setting.page_list_and_search_results') }</h4>
        <table className="table table-bordered col-lg-9 mb-5">
          <thead>
            <tr>
              <th scope="col">{ t('scope_of_page_disclosure') }</th>
              <th scope="col">{ t('set_point') }</th>
            </tr>
          </thead>
          <tbody>
            <tr>
              <th scope="row">{ t('Public') }</th>
              <td>{ t('always_displayed') }</td>
            </tr>
            <tr>
              <th scope="row">{ t('Anyone with the link') }</th>
              <td>{ t('always_hidden') }</td>
            </tr>
            <tr>
              <th scope="row">{ t('Only me') }</th>
              <td>
                <div className="custom-control custom-switch custom-checkbox-success">
                  <input
                    type="checkbox"
                    className="custom-control-input"
                    id="isShowRestrictedByOwner"
                    checked={adminGeneralSecurityContainer.state.isShowRestrictedByOwner}
                    onChange={() => { adminGeneralSecurityContainer.switchIsShowRestrictedByOwner() }}
                  />
                  <label className="custom-control-label" htmlFor="isShowRestrictedByOwner">
                    {t('displayed_or_hidden')}
                  </label>
                </div>
              </td>
            </tr>
            <tr>
              <th scope="row">{ t('Only inside the group') }</th>
              <td>
                <div className="custom-control custom-switch custom-checkbox-success">
                  <input
                    type="checkbox"
                    className="custom-control-input"
                    id="isShowRestrictedByGroup"
                    checked={adminGeneralSecurityContainer.state.isShowRestrictedByGroup}
                    onChange={() => { adminGeneralSecurityContainer.switchIsShowRestrictedByGroup() }}
                  />
                  <label className="custom-control-label" htmlFor="isShowRestrictedByGroup">
                    {t('displayed_or_hidden')}
                  </label>
                </div>
              </td>
            </tr>
          </tbody>
        </table>

        <h4>{t('security_setting.page_access_rights')}</h4>
        <div className="row mb-4">
          <div className="col-md-3 text-md-right py-2">
            <strong>{t('security_setting.Guest Users Access')}</strong>
          </div>
          <div className="col-md-9">
            <div className="dropdown">
              <button
                className={`btn btn-outline-secondary dropdown-toggle text-right col-12
                            col-md-auto ${adminGeneralSecurityContainer.isWikiModeForced && 'disabled'}`}
                type="button"
                id="dropdownMenuButton"
                data-toggle="dropdown"
                aria-haspopup="true"
                aria-expanded="true"
              >
                <span className="float-left">
                  {currentRestrictGuestMode === 'Deny' && t('security_setting.guest_mode.deny')}
                  {currentRestrictGuestMode === 'Readonly' && t('security_setting.guest_mode.readonly')}
                </span>
              </button>
              <div className="dropdown-menu" aria-labelledby="dropdownMenuButton">
                <button className="dropdown-item" type="button" onClick={() => { adminGeneralSecurityContainer.changeRestrictGuestMode('Deny') }}>
                  {t('security_setting.guest_mode.deny')}
                </button>
                <button className="dropdown-item" type="button" onClick={() => { adminGeneralSecurityContainer.changeRestrictGuestMode('Readonly') }}>
                  {t('security_setting.guest_mode.readonly')}
                </button>
              </div>
            </div>
            {adminGeneralSecurityContainer.isWikiModeForced && (
              <p className="alert alert-warning mt-2 text-left offset-3 col-6">
                <i className="icon-exclamation icon-fw">
                </i><b>FIXED</b><br />
                <b
                  dangerouslySetInnerHTML={{
                    __html: t('security_setting.Fixed by env var',
                      { forcewikimode: 'FORCE_WIKI_MODE', wikimode: adminGeneralSecurityContainer.state.wikiMode }),
                  }}
                />
              </p>
            )}
          </div>
        </div>

        <h4>{t('security_setting.page_delete_rights')}</h4>
        <div className="row mb-4"></div>
        {/* Render PageDeletePermissionDropdown */}
        {
          [
            [currentPageDeletionAuthority, adminGeneralSecurityContainer.changePageDeletionAuthority, DeletionType.Deletion, false],
            // eslint-disable-next-line max-len
            [currentPageRecursiveDeletionAuthority, adminGeneralSecurityContainer.changePageRecursiveDeletionAuthority, DeletionType.RecursiveDeletion, isButtonDisabledForDeletion],
          ].map(arr => this.renderPageDeletePermission(arr[0], arr[1], arr[2], arr[3]))
        }
        {
          [
            [currentPageCompleteDeletionAuthority, adminGeneralSecurityContainer.changePageCompleteDeletionAuthority, DeletionType.CompleteDeletion, false],
            // eslint-disable-next-line max-len
            [currentPageRecursiveCompleteDeletionAuthority, adminGeneralSecurityContainer.changePageRecursiveCompleteDeletionAuthority, DeletionType.RecursiveCompleteDeletion, isButtonDisabledForCompleteDeletion],
          ].map(arr => this.renderPageDeletePermission(arr[0], arr[1], arr[2], arr[3]))
        }

        <h4>{t('security_setting.session')}</h4>
        <div className="form-group row">
          <label className="text-left text-md-right col-md-3 col-form-label">{t('security_setting.max_age')}</label>
          <div className="col-md-6">
            <input
              className="form-control col-md-3"
              type="text"
              defaultValue={adminGeneralSecurityContainer.state.sessionMaxAge || ''}
              onChange={(e) => {
                adminGeneralSecurityContainer.setSessionMaxAge(e.target.value);
              }}
              placeholder="2592000000"
            />
            {/* eslint-disable-next-line react/no-danger */}
            <p className="form-text text-muted" dangerouslySetInnerHTML={{ __html: t('security_setting.max_age_desc') }} />
            <p className="card well">
              <span className="text-warning">
                <i className="icon-info"></i> {t('security_setting.max_age_caution')}
              </span>
            </p>
          </div>
        </div>

        <div className="row my-3">
          <div className="text-center text-md-left offset-md-3 col-md-5">
            <button type="button" className="btn btn-primary" disabled={adminGeneralSecurityContainer.retrieveError != null} onClick={this.putSecuritySetting}>
              {t('Update')}
            </button>
          </div>
        </div>
      </React.Fragment>
    );
  }

}

SecuritySetting.propTypes = {
  t: PropTypes.func.isRequired, // i18next
  appContainer: PropTypes.instanceOf(AppContainer).isRequired,
  csrf: PropTypes.string,
  adminGeneralSecurityContainer: PropTypes.instanceOf(AdminGeneralSecurityContainer).isRequired,
};

const SecuritySettingWrapper = withUnstatedContainers(SecuritySetting, [AppContainer, AdminGeneralSecurityContainer]);

export default withTranslation()(SecuritySettingWrapper);