// @flow
import type { OauthAppResponse } from 'services/api/oauth';
import React, { Component } from 'react';
import { FormattedMessage as Message } from 'react-intl';
import { Link } from 'react-router-dom';
import classNames from 'classnames';
import { SKIN_LIGHT, COLOR_BLACK, COLOR_RED } from 'components/ui';
import { Input, Button } from 'components/ui/form';
import Collapse from 'components/ui/collapse';

import styles from '../applicationsIndex.scss';
import messages from '../ApplicationsIndex.intl.json';

const ACTION_REVOKE_TOKENS = 'revoke-tokens';
const ACTION_RESET_SECRET = 'reset-secret';
const ACTION_DELETE = 'delete';
const actionButtons = [
  {
    type: ACTION_REVOKE_TOKENS,
    label: messages.revokeAllTokens,
  },
  {
    type: ACTION_RESET_SECRET,
    label: messages.resetClientSecret,
  },
  {
    type: ACTION_DELETE,
    label: messages.delete,
  },
];

export default class ApplicationItem extends Component<
  {
    application: OauthAppResponse,
    expand: boolean,
    onTileClick: string => void,
    onResetSubmit: (string, boolean) => Promise<*>,
    onDeleteSubmit: string => Promise<*>,
  },
  {
    selectedAction: ?string,
    isActionPerforming: boolean,
    detailsHeight: number,
    translateY: number,
  },
> {
  state = {
    selectedAction: null,
    isActionPerforming: false,
    translateY: 0,
    detailsHeight: 0,
  };

  actionContainer: ?HTMLDivElement;

  render() {
    const { application: app, expand } = this.props;
    const { selectedAction, translateY } = this.state;

    return (
      <div
        className={classNames(styles.appItemContainer, {
          [styles.appExpanded]: expand,
        })}
        data-e2e="appItem"
        data-e2e-app-name={app.name}
      >
        <div className={styles.appItemTile} onClick={this.onTileToggle}>
          <div className={styles.appTileTitle}>
            <div className={styles.appName}>{app.name}</div>
            <div className={styles.appStats}>
              Client ID: {app.clientId}
              {typeof app.countUsers !== 'undefined' && (
                <span>
                  {' | '}
                  <Message
                    {...messages.countUsers}
                    values={{
                      count: app.countUsers,
                    }}
                  />
                </span>
              )}
            </div>
          </div>
          <div className={styles.appItemToggle}>
            <div className={styles.appItemToggleIcon} />
          </div>
        </div>

        <Collapse isOpened={expand} onRest={this.onCollapseRest}>
          <div
            className={styles.appDetailsContainer}
            style={{ transform: `translateY(-${translateY}px)` }}
          >
            <div className={styles.appDetailsInfoField}>
              <Link
                to={`/dev/applications/${app.clientId}`}
                className={styles.editAppLink}
              >
                <Message
                  {...messages.editDescription}
                  values={{
                    icon: <div className={styles.pencilIcon} />,
                  }}
                />
              </Link>
              <Input
                label="Client ID:"
                skin={SKIN_LIGHT}
                disabled
                value={app.clientId}
                copy
              />
            </div>

            <div className={styles.appDetailsInfoField}>
              <Input
                label="Client Secret:"
                skin={SKIN_LIGHT}
                disabled
                value={app.clientSecret}
                copy
              />
            </div>

            <div className={styles.appDetailsDescription}>
              <Message
                {...messages.ifYouSuspectingThatSecretHasBeenCompromised}
              />
            </div>

            <div className={styles.appActionsButtons}>
              {actionButtons.map(({ type, label }) => (
                <Button
                  key={type}
                  label={label}
                  color={COLOR_BLACK}
                  className={styles.appActionButton}
                  disabled={selectedAction && selectedAction !== type}
                  onClick={this.onActionButtonClick(type)}
                  small
                />
              ))}
            </div>

            <div
              className={styles.appActionContainer}
              ref={el => {
                this.actionContainer = el;
              }}
            >
              {this.getActionContent()}
            </div>
          </div>
        </Collapse>
      </div>
    );
  }

  getActionContent() {
    const { selectedAction, isActionPerforming } = this.state;

    switch (selectedAction) {
      case ACTION_REVOKE_TOKENS:
      case ACTION_RESET_SECRET:
        return (
          <div>
            <div className={styles.appActionDescription}>
              <Message {...messages.allRefreshTokensWillBecomeInvalid} />{' '}
              <Message {...messages.takeCareAccessTokensInvalidation} />
            </div>
            <div className={styles.appActionsButtons}>
              <Button
                label={messages.cancel}
                color={COLOR_BLACK}
                className={styles.appActionButton}
                onClick={this.onActionButtonClick(null)}
                small
              />
              <div className={styles.continueActionButtonWrapper}>
                {isActionPerforming ? (
                  <div className={styles.performingAction}>
                    <Message {...messages.performing} />
                  </div>
                ) : (
                  <div
                    className={styles.continueActionLink}
                    onClick={this.onResetSubmit(
                      selectedAction === ACTION_RESET_SECRET,
                    )}
                  >
                    <Message {...messages.continue} />
                  </div>
                )}
              </div>
            </div>
          </div>
        );

      case ACTION_DELETE:
        return (
          <div>
            <div className={styles.appActionDescription}>
              <Message {...messages.appAndAllTokenWillBeDeleted} />{' '}
              <Message {...messages.takeCareAccessTokensInvalidation} />
            </div>
            <div className={styles.appActionsButtons}>
              <Button
                label={messages.cancel}
                color={COLOR_BLACK}
                className={styles.appActionButton}
                onClick={this.onActionButtonClick(null)}
                small
              />
              <div className={styles.continueActionButtonWrapper}>
                {isActionPerforming ? (
                  <div className={styles.performingAction}>
                    <Message {...messages.performing} />
                  </div>
                ) : (
                  <Button
                    label={messages.delete}
                    color={COLOR_RED}
                    className={styles.appActionButton}
                    onClick={this.onSubmitDelete}
                    small
                  />
                )}
              </div>
            </div>
          </div>
        );

      default:
        return null;
    }
  }

  setActiveAction = (type: ?string) => {
    const { actionContainer } = this;

    if (!actionContainer) {
      return;
    }

    this.setState(
      {
        selectedAction: type,
      },
      () => {
        const translateY = actionContainer.offsetHeight;

        this.setState({ translateY });
      },
    );
  };

  onTileToggle = () => {
    const { onTileClick, application } = this.props;

    onTileClick(application.clientId);
  };

  onCollapseRest = () => {
    if (!this.props.expand && this.state.selectedAction) {
      this.setActiveAction(null);
    }
  };

  onActionButtonClick = (type: ?string) => () => {
    this.setActiveAction(type === this.state.selectedAction ? null : type);
  };

  onResetSubmit = (resetClientSecret: boolean) => async () => {
    const { onResetSubmit, application } = this.props;

    this.setState({
      isActionPerforming: true,
    });

    await onResetSubmit(application.clientId, resetClientSecret);

    this.setState({
      isActionPerforming: false,
    });
    this.setActiveAction(null);
  };

  onSubmitDelete = () => {
    const { onDeleteSubmit, application } = this.props;

    this.setState({
      isActionPerforming: true,
    });

    onDeleteSubmit(application.clientId);
  };
}