import React, { Component, Fragment } from 'react';
import PropTypes from 'prop-types';
import { observer, PropTypes as MobxPropTypes, inject } from 'mobx-react';
import { defineMessages, intlShape } from 'react-intl';
import injectSheet from 'react-jss';
import { Infobox, Badge } from '@meetfranz/ui';

import { mdiCheckboxMarkedCircleOutline } from '@mdi/js';
import Loader from '../../../components/ui/Loader';
import WorkspaceItem from './WorkspaceItem';
import CreateWorkspaceForm from './CreateWorkspaceForm';
import Request from '../../../stores/lib/Request';
import Appear from '../../../components/ui/effects/Appear';
import { workspaceStore } from '../index';
import UIStore from '../../../stores/UIStore';
import globalMessages from '../../../i18n/globalMessages';
import UpgradeButton from '../../../components/ui/UpgradeButton';

const messages = defineMessages({
  headline: {
    id: 'settings.workspaces.headline',
    defaultMessage: '!!!Your workspaces',
  },
  noServicesAdded: {
    id: 'settings.workspaces.noWorkspacesAdded',
    defaultMessage: '!!!You haven\'t created any workspaces yet.',
  },
  workspacesRequestFailed: {
    id: 'settings.workspaces.workspacesRequestFailed',
    defaultMessage: '!!!Could not load your workspaces',
  },
  tryReloadWorkspaces: {
    id: 'settings.workspaces.tryReloadWorkspaces',
    defaultMessage: '!!!Try again',
  },
  updatedInfo: {
    id: 'settings.workspaces.updatedInfo',
    defaultMessage: '!!!Your changes have been saved',
  },
  deletedInfo: {
    id: 'settings.workspaces.deletedInfo',
    defaultMessage: '!!!Workspace has been deleted',
  },
  workspaceFeatureInfo: {
    id: 'settings.workspaces.workspaceFeatureInfo',
    defaultMessage: '!!!Info about workspace feature',
  },
  workspaceFeatureHeadline: {
    id: 'settings.workspaces.workspaceFeatureHeadline',
    defaultMessage: '!!!Less is More: Introducing Ferdi Workspaces',
  },
});

const styles = () => ({
  table: {
    width: '100%',
    '& td': {
      padding: '10px',
    },
  },
  createForm: {
    height: 'auto',
  },
  appear: {
    height: 'auto',
  },
  premiumAnnouncement: {
    height: 'auto',
  },
  premiumAnnouncementContainer: {
    display: 'flex',
  },
  announcementHeadline: {
    marginBottom: 0,
  },
  teaserImage: {
    width: 250,
    margin: [-8, 0, 0, 20],
    alignSelf: 'center',
  },
  upgradeCTA: {
    margin: [40, 'auto'],
  },
  proRequired: {
    margin: [10, 0, 40],
  },
});

@inject('stores') @injectSheet(styles) @observer
class WorkspacesDashboard extends Component {
  static propTypes = {
    classes: PropTypes.object.isRequired,
    getUserWorkspacesRequest: PropTypes.instanceOf(Request).isRequired,
    createWorkspaceRequest: PropTypes.instanceOf(Request).isRequired,
    deleteWorkspaceRequest: PropTypes.instanceOf(Request).isRequired,
    updateWorkspaceRequest: PropTypes.instanceOf(Request).isRequired,
    onCreateWorkspaceSubmit: PropTypes.func.isRequired,
    onWorkspaceClick: PropTypes.func.isRequired,
    workspaces: MobxPropTypes.arrayOrObservableArray.isRequired,
  };

  static contextTypes = {
    intl: intlShape,
  };

  render() {
    const {
      classes,
      getUserWorkspacesRequest,
      createWorkspaceRequest,
      deleteWorkspaceRequest,
      updateWorkspaceRequest,
      onCreateWorkspaceSubmit,
      onWorkspaceClick,
      workspaces,
    } = this.props;

    const { intl } = this.context;

    return (
      <div className="settings__main">
        <div className="settings__header">
          <h1>{intl.formatMessage(messages.headline)}</h1>
        </div>
        <div className="settings__body">

          {/* ===== Workspace updated info ===== */}
          {updateWorkspaceRequest.wasExecuted && updateWorkspaceRequest.result && (
            <Appear className={classes.appear}>
              <Infobox
                type="success"
                icon={mdiCheckboxMarkedCircleOutline}
                dismissable
                onUnmount={updateWorkspaceRequest.reset}
              >
                {intl.formatMessage(messages.updatedInfo)}
              </Infobox>
            </Appear>
          )}

          {/* ===== Workspace deleted info ===== */}
          {deleteWorkspaceRequest.wasExecuted && deleteWorkspaceRequest.result && (
            <Appear className={classes.appear}>
              <Infobox
                type="success"
                icon={mdiCheckboxMarkedCircleOutline}
                dismissable
                onUnmount={deleteWorkspaceRequest.reset}
              >
                {intl.formatMessage(messages.deletedInfo)}
              </Infobox>
            </Appear>
          )}

          {workspaceStore.isPremiumUpgradeRequired && (
            <div className={classes.premiumAnnouncement}>

              <h1 className={classes.announcementHeadline}>{intl.formatMessage(messages.workspaceFeatureHeadline)}</h1>
              <Badge className={classes.proRequired}>{intl.formatMessage(globalMessages.proRequired)}</Badge>
              <div className={classes.premiumAnnouncementContainer}>
                <div className={classes.premiumAnnouncementContent}>
                  <p>{intl.formatMessage(messages.workspaceFeatureInfo)}</p>
                  <UpgradeButton
                    className={classes.upgradeCTA}
                    gaEventInfo={{ category: 'Workspaces', event: 'upgrade' }}
                    short
                    requiresPro
                  />
                </div>
                <img src={`https://cdn.franzinfra.com/announcements/assets/workspaces_${this.props.stores.ui.isDarkThemeActive ? 'dark' : 'light'}.png`} className={classes.teaserImage} alt="" />
              </div>
            </div>
          )}

          {!workspaceStore.isPremiumUpgradeRequired && (
            <>
              {/* ===== Create workspace form ===== */}
              <div className={classes.createForm}>
                <CreateWorkspaceForm
                  isSubmitting={createWorkspaceRequest.isExecuting}
                  onSubmit={onCreateWorkspaceSubmit}
                />
              </div>
              {getUserWorkspacesRequest.isExecuting ? (
                <Loader />
              ) : (
                <Fragment>
                  {/* ===== Workspace could not be loaded error ===== */}
                  {getUserWorkspacesRequest.error ? (
                    <Infobox
                      icon="alert"
                      type="danger"
                      ctaLabel={intl.formatMessage(messages.tryReloadWorkspaces)}
                      ctaLoading={getUserWorkspacesRequest.isExecuting}
                      ctaOnClick={getUserWorkspacesRequest.retry}
                    >
                      {intl.formatMessage(messages.workspacesRequestFailed)}
                    </Infobox>
                  ) : (
                    <Fragment>
                      {workspaces.length === 0 ? (
                        <div className="align-middle settings__empty-state">
                          {/* ===== Workspaces empty state ===== */}
                          <p className="settings__empty-text">
                            <span className="emoji">
                              <img src="./assets/images/emoji/sad.png" alt="" />
                            </span>
                            {intl.formatMessage(messages.noServicesAdded)}
                          </p>
                        </div>
                      ) : (
                        <table className={classes.table}>
                          {/* ===== Workspaces list ===== */}
                          <tbody>
                            {workspaces.map(workspace => (
                              <WorkspaceItem
                                key={workspace.id}
                                workspace={workspace}
                                onItemClick={w => onWorkspaceClick(w)}
                              />
                            ))}
                          </tbody>
                        </table>
                      )}
                    </Fragment>
                  )}
                </Fragment>
              )}
            </>
          )}
        </div>
      </div>
    );
  }
}

export default WorkspacesDashboard;

WorkspacesDashboard.wrappedComponent.propTypes = {
  stores: PropTypes.shape({
    ui: PropTypes.instanceOf(UIStore).isRequired,
  }).isRequired,
};