text: /*
  Copyright 2017 Vector Creations Ltd.
  Copyright 2017 New Vector Ltd.
  Copyright 2019 Lepton Interaction.
  
  Licensed under the Apache License, Version 2.0 (the "License");
  you may not use this file except in compliance with the License.
  You may obtain a copy of the License at
  
      http://www.apache.org/licenses/LICENSE-2.0
  
  Unless required by applicable law or agreed to in writing, software
  distributed under the License is distributed on an "AS IS" BASIS,
  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  See the License for the specific language governing permissions and
  limitations under the License.
  */
  import React from 'react';
  import { _t } from '../../../languageHandler';
  import * as sdk from '../../../index';
  import dis from '../../../dispatcher/dispatcher';
  import GroupStore from '../../../stores/GroupStore';
  import PropTypes from 'prop-types';
  import { showGroupInviteDialog } from '../../../GroupAddressPicker';
  import AccessibleButton from '../elements/AccessibleButton';
  import { RightPanelPhases } from "../../../stores/RightPanelStorePhases";
  import AutoHideScrollbar from "../../structures/AutoHideScrollbar";
  import { Action } from "../../../dispatcher/actions";
  import { replaceableComponent } from "../../../utils/replaceableComponent";
  
  const INITIAL_LOAD_NUM_MEMBERS = 30;
  
  @replaceableComponent("views.groups.GroupMemberList")
  export default class GroupMemberList extends React.Component {
      static propTypes = {
          groupId: PropTypes.string.isRequired,
      };
  
      state = {
          members: null,
          membersError: null,
          invitedMembers: null,
          invitedMembersError: null,
          truncateAt: INITIAL_LOAD_NUM_MEMBERS,
      };
  
      componentDidMount() {
          this._unmounted = false;
          this._initGroupStore(this.props.groupId);
      }
  
      componentWillUnmount() {
          this._unmounted = true;
      }
  
      _initGroupStore(groupId) {
          GroupStore.registerListener(groupId, () => {
              this._fetchMembers();
          });
          GroupStore.on('error', (err, errorGroupId, stateKey) => {
              if (this._unmounted || groupId !== errorGroupId) return;
              if (stateKey === GroupStore.STATE_KEY.GroupMembers) {
                  this.setState({
                      membersError: err,
                  });
              }
              if (stateKey === GroupStore.STATE_KEY.GroupInvitedMembers) {
                  this.setState({
                      invitedMembersError: err,
                  });
              }
          });
      }
  
      _fetchMembers() {
          if (this._unmounted) return;
          this.setState({
              members: GroupStore.getGroupMembers(this.props.groupId),
              invitedMembers: GroupStore.getGroupInvitedMembers(this.props.groupId),
          });
      }
  
      _createOverflowTile = (overflowCount, totalCount) => {
          // For now we'll pretend this is any entity. It should probably be a separate tile.
          const EntityTile = sdk.getComponent("rooms.EntityTile");
          const BaseAvatar = sdk.getComponent("avatars.BaseAvatar");
          const text = _t("and %(count)s others...", { count: overflowCount });
          return (
              <EntityTile
                  className="mx_EntityTile_ellipsis"
                  avatarJsx={
                      <BaseAvatar url={require("../../../../res/img/ellipsis.svg")} name="..." width={36} height={36} />
                  }
                  name={text}
                  presenceState="online"
                  suppressOnHover={true}
                  onClick={this._showFullMemberList}
              />
          );
      };
  
      _showFullMemberList = () => {
          this.setState({
              truncateAt: -1,
          });
      };
  
      onSearchQueryChanged = ev => {
          this.setState({ searchQuery: ev.target.value });
      };
  
      makeGroupMemberTiles(query, memberList, memberListError) {
          if (memberListError) {
              return <div className="warning">{ _t("Failed to load group members") }</div>;
          }
  
          const GroupMemberTile = sdk.getComponent("groups.GroupMemberTile");
          const TruncatedList = sdk.getComponent("elements.TruncatedList");
          query = (query || "").toLowerCase();
          if (query) {
              memberList = memberList.filter((m) => {
                  const matchesName = (m.displayname || "").toLowerCase().includes(query);
                  const matchesId = m.userId.toLowerCase().includes(query);
  
                  if (!matchesName && !matchesId) {
                      return false;
                  }
  
                  return true;
              });
          }
  
          const uniqueMembers = {};
          memberList.forEach((m) => {
              if (!uniqueMembers[m.userId]) uniqueMembers[m.userId] = m;
          });
          memberList = Object.keys(uniqueMembers).map((userId) => uniqueMembers[userId]);
          // Descending sort on isPrivileged = true = 1 to isPrivileged = false = 0
          memberList.sort((a, b) => {
              if (a.isPrivileged === b.isPrivileged) {
                  const aName = a.displayname || a.userId;
                  const bName = b.displayname || b.userId;
                  if (aName < bName) {
                      return -1;
                  } else if (aName > bName) {
                      return 1;
                  } else {
                      return 0;
                  }
              } else {
                  return a.isPrivileged ? -1 : 1;
              }
          });
  
          const memberTiles = memberList.map((m) => {
              return (
                  <GroupMemberTile key={m.userId} groupId={this.props.groupId} member={m} />
              );
          });
  
          return <TruncatedList
              className="mx_MemberList_wrapper"
              truncateAt={this.state.truncateAt}
              createOverflowElement={this._createOverflowTile}
          >
              { memberTiles }
          </TruncatedList>;
      }
  
      onInviteToGroupButtonClick = () => {
          showGroupInviteDialog(this.props.groupId).then(() => {
              dis.dispatch({
                  action: Action.SetRightPanelPhase,
                  phase: RightPanelPhases.GroupMemberList,
                  refireParams: { groupId: this.props.groupId },
              });
          });
      };
  
      render() {
          if (this.state.fetching || this.state.fetchingInvitedMembers) {
              const Spinner = sdk.getComponent("elements.Spinner");
              return (<div className="mx_MemberList">
                  <Spinner />
              </div>);
          }
  
          const inputBox = (
              <input
                  className="mx_GroupMemberList_query mx_textinput"
                  id="mx_GroupMemberList_query"
                  type="text"
                  onChange={this.onSearchQueryChanged}
                  value={this.state.searchQuery}
                  placeholder={_t('Filter community members')}
                  autoComplete="off"
              />
          );
  
          const joined = this.state.members ? <div className="mx_MemberList_joined">
              {
                  this.makeGroupMemberTiles(
                      this.state.searchQuery,
                      this.state.members,
                      this.state.membersError,
                  )
              }
          </div> : <div />;
  
          const invited = (this.state.invitedMembers && this.state.invitedMembers.length > 0) ?
              <div className="mx_MemberList_invited">
                  <h2>{ _t("Invited") }</h2>
                  {
                      this.makeGroupMemberTiles(
                          this.state.searchQuery,
                          this.state.invitedMembers,
                          this.state.invitedMembersError,
                      )
                  }
              </div> : <div />;
  
          let inviteButton;
          if (GroupStore.isUserPrivileged(this.props.groupId)) {
              inviteButton = (
                  <AccessibleButton
                      className="mx_MemberList_invite mx_MemberList_inviteCommunity"
                      onClick={this.onInviteToGroupButtonClick}
                  >
                      <span>{ _t('Invite to this community') }</span>
                  </AccessibleButton>
              );
          }
  
          return (
              <div className="mx_MemberList" role="tabpanel">
                  { inviteButton }
                  <AutoHideScrollbar>
                      { joined }
                      { invited }
                  </AutoHideScrollbar>
                  { inputBox }
              </div>
          );
      }
  }
  