import React, { Suspense } from 'react';
import { defineMessages, FormattedMessage, injectIntl } from 'react-intl';

import ErrorPanel from '../widgets/error-panel.jsx';
import LoadSpinner from '../widgets/load-spinner.jsx';
import SideNavbar from '../widgets/side-navbar.jsx';
import TopicCommonView from './topic-common-view.jsx';
import AuthOnboardingView from './auth-onboarding-view.jsx';
import MessageCenterView from './message-center-view.jsx';
import DirectMessageView from './direct-message-view.jsx';
import MessageComposerView, {MESSAGE_COMPOSER_VIEWS} from './message-composer-view.jsx';
import ContactManagementView, {CONTACT_MANAGEMENT_VIEWS} from './contact-management-view.jsx';
import GroupManagementView, {GROUP_MANAGEMENT_VIEWS} from './group-management-view.jsx';
import ContentLibraryView, {CONTENT_LIBRARY_VIEWS} from './content-library-view.jsx';
import CallExperienceView, {CALL_EXPERIENCE_VIEWS} from './call-experience-view.jsx';
import WorkplaceCollaborationView, {WORKPLACE_COLLABORATION_VIEWS} from './workplace-collaboration-view.jsx';
import PersonalSettingsView, {PERSONAL_SETTINGS_VIEWS} from './personal-settings-view.jsx';
import SecuritySupportView, {SECURITY_SUPPORT_VIEWS} from './security-support-view.jsx';

const AccountSettingsView = React.lazy(_ => import('./account-settings-view.jsx'));
import ContactsView from './contacts-view.jsx';
import AccGeneralView from './acc-general-view.jsx';
import AccNotificationsView from './acc-notifications-view.jsx';
const AccSecurityView = React.lazy(_ => import('./acc-security-view.jsx'));
import AccSupportView from './acc-support-view.jsx';
import NewTopicView from './new-topic-view.jsx';
import SettingsView from './settings-view.jsx';
import ValidationView from './validation-view.jsx';
const WallpapersView = React.lazy(_ => import('./wallpapers.jsx'));

// Panel titles for translation.
const messages = defineMessages({
  login: {
    id: 'sidepanel_title_login',
    description: 'Sidepanel title for LoginView.',
    defaultMessage: 'Sign In'
  },
  register: {
    id: 'sidepanel_title_register',
    description: 'Sidepanel title for CreateAccountView.',
    defaultMessage: 'Create Account'
  },
  settings: {
    id: 'sidepanel_title_settings',
    description: 'Sidepanel title for SettingsView.',
    defaultMessage: 'Settings'
  },
  edit: {
    id: 'sidepanel_title_account_settings',
    description: 'Sidepanel title for AccountSettingsView.',
    defaultMessage: 'Account Settings'
  },
  general: {
    id: 'panel_title_general',
    description: 'Title for TopicCommon.',
    defaultMessage: 'General'
  },
  security: {
    id: 'panel_title_security',
    description: 'Title for TopicSecirity and AccSecurity.',
    defaultMessage: 'Security'
  },
  crop: {
    id: 'panel_title_crop',
    description: 'Title for AvatarCropView.',
    defaultMessage: 'Drag to Adjust'
  },
  notif: {
    id: 'sidepanel_title_acc_notifications',
    description: 'Sidepanel title for AccNotificationsView.',
    defaultMessage: 'Notifications'
  },
  acc_general: {
    id: 'sidepanel_title_acc_general',
    description: 'Sidepanel title for AccGeneralView.',
    defaultMessage: 'General'
  },
  support: {
    id: 'sidepanel_title_acc_support',
    description: 'Sidepanel title for AccSupportView.',
    defaultMessage: 'Support'
  },
  newtpk: {
    id: 'sidepanel_title_newtpk',
    description: 'Sidepanel title for NewTopicView.',
    defaultMessage: 'Start New Chat'
  },
  cred: {
    id: 'sidepanel_title_cred',
    description: 'Sidepanel title for ValidationView.',
    defaultMessage: 'Confirm Credentials'
  },
  reset: {
    id: 'sidepanel_title_reset',
    description: 'Sidepanel title for PasswordResetView.',
    defaultMessage: 'Reset Password'
  },
  archive: {
    id: 'sidepanel_title_archive',
    description: 'Sidepanel title for ContactsView-Archive.',
    defaultMessage: 'Archived Chats'
  },
  blocked: {
    id: 'sidepanel_title_blocked',
    description: 'Sidepanel title for ContactsView-Blocked.',
    defaultMessage: 'Blocked Chats'
  },
  wallpapers: {
    id: 'wallpapers',
    description: 'Link or title for working with wallpapers.',
    defaultMessage: 'Wallpapers'
  }
});

class SidepanelView extends React.PureComponent {
  constructor(props) {
    super(props);

    this.handleNewTopic = this.handleNewTopic.bind(this);
  }

  handleNewTopic() {
    this.props.onNavigate('newtpk');
  }

  render() {
    const {formatMessage} = this.props.intl;
    const view = this.props.state || (this.props.myUserId ? 'messages-home' : 'tenant');
    const chapterOneViews = ['tenant', 'login', 'enterprise-register', 'enterprise-feedback', 'register',
      'reset', 'identity-check', 'realname', 'realname-verified', 'realname-reminder', 'independent-password'];

    if (chapterOneViews.includes(view)) {
      return <div id="sidepanel" className="auth-onboarding-panel">
        <AuthOnboardingView
          view={view}
          hashParams={this.props.hashParams}
          authenticated={!!this.props.myUserId}
          login={this.props.login}
          loginDisabled={this.props.loginDisabled}
          persist={this.props.persist}
          errorText={this.props.errorText}
          errorLevel={this.props.errorLevel}
          onLoginRequest={this.props.onLoginRequest}
          onPersistenceChange={this.props.onPersistenceChange}
          onCreateAccount={this.props.onCreateAccount}
          onImRegisterRequest={this.props.onImRegisterRequest}
          onTenantResolved={this.props.onTenantResolved}
          onError={this.props.onError} />
      </div>;
    }

    const chapterTwoViews = ['messages-home', 'messages-offline', 'messages-menu', 'message-actions', 'system-messages'];
    if (chapterTwoViews.includes(view)) {
      const fullPage = !this.props.myUserId || view !== 'messages-home';
      return <div id="sidepanel" className={'message-center-panel' + (fullPage ? ' full-page' : '')}>
        <MessageCenterView
          view={view}
          key={view}
          connected={this.props.connected}
          chatList={this.props.chatList}
          myUserId={this.props.myUserId}
          onTopicSelected={this.props.onTopicSelected}
          onOpenScanner={this.props.onOpenScanner} />
        {/* This branch never rendered ErrorPanel at all -- on desktop (non-mobile), opening a real
            conversation lands here (view stays 'messages-home' behind the split-view topic pane),
            and messages-view.jsx's own ErrorPanel is only rendered on displayMobile. Every
            this.props.onError(...) call reachable from an open conversation on desktop (failed
            uploads, failed forwards, URL risk blocks, etc.) had no visible outlet at all. */}
        <ErrorPanel
          level={this.props.errorLevel}
          text={this.props.errorText}
          action={this.props.errorAction}
          actionText={this.props.errorActionText}
          onClearError={this.props.onError} />
      </div>;
    }

    const chapterThreeViews = ['chat-inbound-request', 'chat-inbound-message', 'chat-outbound-request',
      'chat-status', 'chat-friend', 'chat-media', 'chat-blocked', 'chat-deleted', 'chat-standard',
      'chat-attachments', 'chat-mixed', 'chat-contact-card'];
    if (chapterThreeViews.includes(view)) {
      return <div id="sidepanel" className="direct-message-panel">
        <DirectMessageView view={view} key={view} />
      </div>;
    }

    if (MESSAGE_COMPOSER_VIEWS.includes(view)) {
      return <div id="sidepanel" className="message-composer-panel">
        <MessageComposerView view={view} key={view} />
      </div>;
    }

    if (CONTACT_MANAGEMENT_VIEWS.includes(view)) {
      return <div id="sidepanel" className="contact-management-panel">
        <ContactManagementView view={view} hashParams={this.props.hashParams} myUserId={this.props.myUserId}
          tinode={this.props.tinode} onTopicSelected={this.props.onTopicSelected} onCreateTopic={this.props.onCreateTopic}
          onOpenScanner={this.props.onOpenScanner} key={view} />
      </div>;
    }

    if (GROUP_MANAGEMENT_VIEWS.includes(view)) {
      return <div id="sidepanel" className="group-management-panel">
        <GroupManagementView view={view} hashParams={this.props.hashParams} myUserId={this.props.myUserId}
          tinode={this.props.tinode} onTopicSelected={this.props.onTopicSelected} key={view} />
      </div>;
    }

    if (CONTENT_LIBRARY_VIEWS.includes(view)) {
      return <div id="sidepanel" className="content-library-panel">
        <ContentLibraryView view={view} hashParams={this.props.hashParams} myUserId={this.props.myUserId}
          tinode={this.props.tinode} onTopicSelected={this.props.onTopicSelected} chatList={this.props.chatList} key={view} />
      </div>;
    }

    if (CALL_EXPERIENCE_VIEWS.includes(view)) {
      return <div id="sidepanel" className="call-experience-panel">
        <CallExperienceView view={view} key={view} />
      </div>;
    }

    if (WORKPLACE_COLLABORATION_VIEWS.includes(view)) {
      return <div id="sidepanel" className="workplace-collaboration-panel">
        <WorkplaceCollaborationView view={view} hashParams={this.props.hashParams} myUserId={this.props.myUserId}
          tinode={this.props.tinode} onTopicSelected={this.props.onTopicSelected} key={view} />
      </div>;
    }

    if (PERSONAL_SETTINGS_VIEWS.includes(view)) {
      return <div id="sidepanel" className="personal-settings-panel">
        <PersonalSettingsView view={view} hashParams={this.props.hashParams} myUserId={this.props.myUserId}
          tinode={this.props.tinode} chatList={this.props.chatList}
          onUpdatePassword={this.props.onUpdatePassword} onDeleteAccount={this.props.onDeleteAccount}
          onLogout={this.props.onLogout} key={view} />
      </div>;
    }

    if (SECURITY_SUPPORT_VIEWS.includes(view)) {
      return <div id="sidepanel" className="security-support-panel">
        <SecuritySupportView view={view} hashParams={this.props.hashParams} tinode={this.props.tinode} key={view} />
      </div>;
    }

    let title, avatar, badges;
    if (view == 'contacts') {
      title = this.props.title;
      avatar = this.props.avatar ? this.props.avatar : true;
      badges = this.props.trustedBadges;
    } else {
      title = formatMessage(messages[view]);
      avatar = false;
      badges = null;
    }

    let onCancel;
    if (['login', 'contacts'].indexOf(view) == -1) {
      onCancel = this.props.onCancel;
    }

    return (
      <div id="sidepanel">
        <SideNavbar
          state={view}
          title={title}
          avatar={avatar}
          tinode={this.props.tinode}
          trustedBadges={badges}
          myUserId={this.props.myUserId}
          onSignUp={this.props.onSignUp}
          onSettings={this.props.onSettings}
          onNewTopic={this.handleNewTopic}
          onCancel={onCancel} />

        <ErrorPanel
          level={this.props.errorLevel}
          text={this.props.errorText}
          action={this.props.errorAction}
          actionText={this.props.errorActionText}
          onClearError={this.props.onError} />

        <LoadSpinner show={this.props.loadSpinnerVisible} />

        {view === 'settings' ?
          <SettingsView
            transport={this.props.transport}
            serverAddress={this.props.serverAddress}
            secureConnection={this.props.secureConnection}
            onCancel={this.props.onCancel}
            onUpdate={this.props.onGlobalSettings} /> :

          view === 'edit' ?
          <Suspense fallback={<div className="panel-form-row"><FormattedMessage id="loading_note"
            defaultMessage="Loading..." description="Message shown when component is loading"/></div>}>
            <AccountSettingsView
              tinode={this.props.tinode}
              myUserId={this.props.myUserId}
              trustedBadges={this.props.trustedBadges}
              reqCredMethod={this.props.reqCredMethod}
              onShowCountrySelector={this.props.onShowCountrySelector}
              onNavigate={this.props.onNavigate}
              onCredAdd={this.props.onCredAdd}
              onCredDelete={this.props.onCredDelete}
              onCredConfirm={this.props.onCredConfirm}
              onError={this.props.onError} />
          </Suspense> :

          (view === 'general' || view === 'crop') ?
          <TopicCommonView
            topic="me"
            tinode={this.props.tinode}
            myUserId={this.props.myUserId}
            reqCredMethod={this.props.reqCredMethod}
            onUpdateTopicDesc={this.props.onUpdateAccountDesc}
            onUpdateTagsRequest={this.props.onUpdateAccountTags}
            onError={this.props.onError} /> :

          view === 'acc_general' ?
          <AccGeneralView
            colorSchema={this.props.colorSchema}
            onSelectWallpapers={this.props.onSelectWallpapers}
            textSize={this.props.textSize}
            sendOnEnter={this.props.sendOnEnter}
            onChangeColorSchema={this.props.onChangeColorSchema}
            onTextSizeChanged={this.props.onTextSizeChanged}
            onSendOnEnterChanged={this.props.onSendOnEnterChanged} /> :

          view === 'notif' ?
          <AccNotificationsView
            messageSounds={this.props.messageSounds}
            desktopAlerts={this.props.desktopAlerts}
            desktopAlertsEnabled={this.props.desktopAlertsEnabled}
            onTogglePushNotifications={this.props.onTogglePushNotifications}
            onToggleMessageSounds={this.props.onToggleMessageSounds} /> :

          view === 'security' ?
            <Suspense fallback={<div className="panel-form-row"><FormattedMessage id="loading_note"
              defaultMessage="Loading..." description="Message shown when component is loading"/></div>}>
              <AccSecurityView
                tinode={this.props.tinode}
                incognitoMode={this.props.incognitoMode}
                onNavigate={this.props.onNavigate}
                onUpdateAccountDesc={this.props.onUpdateAccountDesc}
                onUpdatePassword={this.props.onUpdatePassword}
                onLogout={this.props.onLogout}
                onDeleteAccount={this.props.onDeleteAccount}
                onShowAlert={this.props.onShowAlert}
                onShowBlocked={this.props.onShowBlocked}
                onToggleIncognitoMode={this.props.onToggleIncognitoMode} />
            </Suspense> :

          view === 'support' ?
          <AccSupportView
            serverAddress={this.props.serverAddress}
            serverVersion={this.props.serverVersion} /> :

          view === 'wallpapers' ?
          <Suspense fallback={<div className="panel-form-row"><FormattedMessage id="loading_note"
            defaultMessage="Loading..." description="Message shown when component is loading"/></div>}>
            <WallpapersView
              wallpaper={this.props.wallpaper}
              wallpaperSize={this.props.wallpaperSize}
              wallpaperBlur={this.props.wallpaperBlur}
              colorSchema={this.props.colorSchema !== 'auto' ? this.props.colorSchema : this.props.systemColorSchema}
              onWallpaperSelected={this.props.onWallpaperSelected}
            />
          </Suspense> :

          (view === 'contacts' || view == 'archive' || view == 'blocked') ?
          <ContactsView
            tinode={this.props.tinode}
            myUserId={this.props.myUserId}
            connected={this.props.connected}
            topicSelected={this.props.topicSelected}
            archive={view == 'archive'}
            blocked={view == 'blocked'}
            chatList={this.props.chatList}
            showContextMenu={this.props.showContextMenu}
            onTopicSelected={this.props.onTopicSelected}
            onShowArchive={this.props.onShowArchive} /> :

          view === 'newtpk' ?
          <NewTopicView
            tinode={this.props.tinode}
            searchResults={this.props.searchResults}
            onInitFind={this.props.onInitFind}
            onSearchContacts={this.props.onSearchContacts}
            onCreateTopic={this.props.onCreateTopic}
            onError={this.props.onError} /> :

          view === 'cred' ?
          <ValidationView
            credCode={this.props.credCode}
            credMethod={this.props.credMethod}
            credToken={this.props.credToken}
            onSubmit={this.props.onValidateCredentials}
            onCancel={this.props.onCancel} /> :
          null}
      </div>
    );
  }
};

export default injectIntl(SidepanelView);