/*!
 * Copyright (C) 2017 AT&T Intellectual Property. All rights reserved.
 *
 * 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 PropTypes from 'prop-types';
import ReactDOM from 'react-dom';
import { Tabs as SDCTabs } from 'onap-ui-react';
import Overlay from 'react-bootstrap/lib/Overlay.js';
import Tooltip from 'react-bootstrap/lib/Tooltip.js';

import i18n from 'nfvo-utils/i18n/i18n.js';

export default class Tabs extends React.Component {
    static propTypes = {
        children: PropTypes.node
    };

    cloneTab(element) {
        const { invalidTabs } = this.props;
        return React.cloneElement(element, {
            key: element.props.tabId,
            className:
                invalidTabs.indexOf(element.props.tabId) > -1
                    ? 'invalid-tab'
                    : 'valid-tab'
        });
    }

    showTabsError() {
        const { invalidTabs } = this.props;
        const showError =
            (invalidTabs.length === 1 &&
                invalidTabs[0] !== this.props.activeTab) ||
            invalidTabs.length > 1;
        return showError;
    }

    render() {
        // eslint-disable-next-line no-unused-vars
        let { invalidTabs, ...tabProps } = this.props;
        return (
            <div>
                <SDCTabs {...tabProps} ref="tabsList" id="tabsList">
                    {this.props.children.map(element => this.cloneTab(element))}
                </SDCTabs>
                <Overlay
                    animation={false}
                    show={this.showTabsError()}
                    placement="bottom"
                    target={() => {
                        let target = ReactDOM.findDOMNode(
                            this.refs.tabsList
                        ).querySelector(
                            'ul > li.invalid-tab:not(.sdc-tab-active):nth-of-type(n)'
                        );
                        return target && target.offsetParent
                            ? target
                            : undefined;
                    }}
                    container={() => {
                        let target = ReactDOM.findDOMNode(
                            this.refs.tabsList
                        ).querySelector(
                            'ul > li.invalid-tab:not(.sdc-tab-active):nth-of-type(n)'
                        );
                        return target && target.offsetParent
                            ? target.offsetParent
                            : this;
                    }}>
                    <Tooltip
                        id="error-some-tabs-contain-errors"
                        className="validation-error-message">
                        {i18n('One or more tabs are invalid')}
                    </Tooltip>
                </Overlay>
            </div>
        );
    }
}