/*!
 * 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 i18n from 'nfvo-utils/i18n/i18n.js';
import Modal from 'nfvo-components/modal/Modal.jsx';
import ListEditorView from 'nfvo-components/listEditor/ListEditorView.jsx';
import ListEditorItemView from 'nfvo-components/listEditor/ListEditorItemView.jsx';

import EntitlementPoolsEditor from './EntitlementPoolsEditor.js';
import { extractUnits } from './EntitlementPoolsConstants';

class EntitlementPoolsListEditorView extends React.Component {
    static propTypes = {
        vendorName: PropTypes.string,
        licenseModelId: PropTypes.string.isRequired,
        entitlementPoolsList: PropTypes.array,
        isReadOnlyMode: PropTypes.bool.isRequired,
        isDisplayModal: PropTypes.bool,
        isModalInEditMode: PropTypes.bool,
        onAddEntitlementPoolClick: PropTypes.func,
        onEditEntitlementPoolClick: PropTypes.func,
        onDeleteEntitlementPool: PropTypes.func
    };

    static defaultProps = {
        entitlementPoolsList: []
    };

    state = {
        localFilter: ''
    };

    render() {
        let {
            licenseModelId,
            isReadOnlyMode,
            isDisplayModal,
            isModalInEditMode,
            version
        } = this.props;
        let { onAddEntitlementPoolClick } = this.props;
        const { localFilter } = this.state;

        return (
            <div className="license-model-list-editor entitlement-pools-list-editor">
                <ListEditorView
                    title={i18n('Entitlement Pools')}
                    plusButtonTitle={i18n('Add Entitlement Pool')}
                    onAdd={onAddEntitlementPoolClick}
                    filterValue={localFilter}
                    onFilter={value => this.setState({ localFilter: value })}
                    isReadOnlyMode={isReadOnlyMode}>
                    {this.filterList().map(entitlementPool =>
                        this.renderEntitlementPoolListItem(
                            entitlementPool,
                            isReadOnlyMode
                        )
                    )}
                </ListEditorView>
                <Modal
                    show={isDisplayModal}
                    bsSize="large"
                    animation={true}
                    className="onborading-modal license-model-modal entitlement-pools-modal">
                    <Modal.Header>
                        <Modal.Title>{`${
                            isModalInEditMode
                                ? i18n('Edit Entitlement Pool')
                                : i18n('Create New Entitlement Pool')
                        }`}</Modal.Title>
                    </Modal.Header>
                    <Modal.Body>
                        {isDisplayModal && (
                            <EntitlementPoolsEditor
                                version={version}
                                licenseModelId={licenseModelId}
                                isReadOnlyMode={isReadOnlyMode}
                            />
                        )}
                    </Modal.Body>
                </Modal>
            </div>
        );
    }

    filterList() {
        let { entitlementPoolsList } = this.props;
        let { localFilter } = this.state;
        if (localFilter.trim()) {
            const filter = new RegExp(escape(localFilter), 'i');
            return entitlementPoolsList.filter(
                ({ name = '', description = '' }) => {
                    return (
                        escape(name).match(filter) ||
                        escape(description).match(filter)
                    );
                }
            );
        } else {
            return entitlementPoolsList;
        }
    }

    renderEntitlementPoolListItem(entitlementPool, isReadOnlyMode) {
        let {
            id,
            name,
            description,
            thresholdValue,
            thresholdUnits
        } = entitlementPool;
        let {
            onEditEntitlementPoolClick,
            onDeleteEntitlementPool
        } = this.props;
        return (
            <ListEditorItemView
                key={id}
                onSelect={() => onEditEntitlementPoolClick(entitlementPool)}
                onDelete={() => onDeleteEntitlementPool(entitlementPool)}
                className="list-editor-item-view"
                isReadOnlyMode={isReadOnlyMode}>
                <div className="list-editor-item-view-field">
                    <div className="title">{i18n('Name')}</div>
                    <div>
                        <div className="textEllipses text name">{name}</div>
                    </div>
                </div>

                <div className="list-editor-item-view-field">
                    <div className="title">{i18n('Entitlement')}</div>
                    <div className="entitlement-pools-count">
                        {thresholdValue &&
                            `${thresholdValue} ${extractUnits(thresholdUnits)}`}
                    </div>
                </div>

                <div className="list-editor-item-view-field">
                    <div className="title">{i18n('Description')}</div>
                    <div className="text description">{description}</div>
                </div>
            </ListEditorItemView>
        );
    }
}

export default EntitlementPoolsListEditorView;

export function generateConfirmationMsg(entitlementPoolToDelete) {
    let poolName = entitlementPoolToDelete ? entitlementPoolToDelete.name : '';
    let msg = i18n('Are you sure you want to delete "{poolName}"?', {
        poolName: poolName
    });
    let subMsg =
        entitlementPoolToDelete &&
        entitlementPoolToDelete.referencingFeatureGroups &&
        entitlementPoolToDelete.referencingFeatureGroups.length > 0
            ? i18n(
                  'This entitlement pool is associated with one or more feature groups'
              )
            : '';
    return (
        <div>
            <p>{msg}</p>
            <p>{subMsg}</p>
        </div>
    );
}