/*!
 * 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 { SVGIcon } from 'onap-ui-react';
import i18n from 'nfvo-utils/i18n/i18n.js';

import Form from 'nfvo-components/input/validation/Form.jsx';
import Input from 'nfvo-components/input/validation/Input.jsx';

import GridSection from 'nfvo-components/grid/GridSection.jsx';
import GridItem from 'nfvo-components/grid/GridItem.jsx';

const prefix = 'highAvailabilityAndLoadBalancing/';

const pointers = [
    {
        key: 'failureLoadDistribution',
        description:
            'How is load distributed across live vms in the event of a vm/host failure? please describe'
    },
    {
        key: 'nkModelImplementation',
        description:
            'Does each VM implement the N+K model for redundancy and failure protection? Please describe.'
    },
    {
        key: 'architectureChoice',
        description:
            'What architecture is being implemented: ACTIVE-ACTIVE and/or ACTIVE-PASSIVE. ',
        added: 'Will the arrangement be 1-1 or N-M? Please describe.'
    },
    {
        key: 'slaRequirements',
        description: 'Specify application SLA requirements on Cloud platform.'
    },
    {
        key: 'horizontalScaling',
        description:
            'Is horizontal scaling the preferred solution for HA and resiliency? Please describe.'
    },
    {
        key: 'loadDistributionMechanism',
        description:
            'Can load be distributed across VMs? If so, are special mechanisms needed to re-balance data across VMs?',
        added: 'Please describe.'
    }
];
//TODO check for buttons

const TextAreaItem = ({
    item,
    toggle,
    expanded,
    genericFieldInfo,
    dataMap,
    onQDataChanged
}) => (
    <GridItem colSpan={3} key={item.key}>
        <div
            className={expanded ? 'title' : 'title add-padding'}
            data-test-id={`btn-${item.key}`}
            onClick={() => toggle(item.key)}>
            <SVGIcon name={expanded ? 'chevronUp' : 'chevronDown'} />
            <span className="title-text">{i18n(item.description)}</span>
            {item.added && <div className="new-line">{i18n(item.added)}</div>}
        </div>
        <div className={expanded ? 'collapse in' : 'collapse'}>
            <div>
                <div>
                    <Input
                        data-test-id={`input-${item.key}`}
                        type="textarea"
                        isValid={
                            genericFieldInfo[`${prefix}${item.key}`].isValid
                        }
                        errorText={
                            genericFieldInfo[`${prefix}${item.key}`].errorText
                        }
                        value={dataMap[`${prefix}${item.key}`]}
                        onChange={val =>
                            onQDataChanged({ [`${prefix}${item.key}`]: val })
                        }
                    />
                </div>
            </div>
        </div>
    </GridItem>
);

class SoftwareProductComponentLoadBalancingView extends React.Component {
    static propTypes = {
        componentId: PropTypes.string.isRequired,
        softwareProductId: PropTypes.string.isRequired,
        qdata: PropTypes.object,
        qschema: PropTypes.object,
        currentSoftwareProduct: PropTypes.object
    };

    state = {
        expanded: {}
    };

    render() {
        let {
            dataMap,
            genericFieldInfo,
            onQDataChanged,
            isReadOnlyMode
        } = this.props;
        return (
            <div className="vsp-components-load-balancing">
                <div className="halb-data">
                    {genericFieldInfo && (
                        <Form
                            formReady={null}
                            isValid={true}
                            onSubmit={() => this.save()}
                            isReadOnlyMode={isReadOnlyMode}
                            hasButtons={false}>
                            <GridSection
                                title={i18n(
                                    'High Availability & Load Balancing'
                                )}>
                                <GridItem colSpan={1}>
                                    <Input
                                        data-test-id="input-is-component-mandatory"
                                        label={i18n('Is Component Mandatory')}
                                        type="select"
                                        className="input-options-select"
                                        groupClassName="bootstrap-input-options"
                                        isValid={
                                            genericFieldInfo[
                                                `${prefix}isComponentMandatory`
                                            ].isValid
                                        }
                                        errorText={
                                            genericFieldInfo[
                                                `${prefix}isComponentMandatory`
                                            ].errorText
                                        }
                                        value={
                                            dataMap[
                                                `${prefix}isComponentMandatory`
                                            ]
                                        }
                                        onChange={e => {
                                            const selectedIndex =
                                                e.target.selectedIndex;
                                            const val =
                                                e.target.options[selectedIndex]
                                                    .value;
                                            onQDataChanged({
                                                [`${prefix}isComponentMandatory`]: val
                                            });
                                        }}>
                                        <option key="placeholder" value="">
                                            {i18n('Select...')}
                                        </option>
                                        {genericFieldInfo[
                                            `${prefix}isComponentMandatory`
                                        ].enum.map(isMan => (
                                            <option
                                                value={isMan.enum}
                                                key={isMan.enum}>
                                                {isMan.title}
                                            </option>
                                        ))}
                                    </Input>
                                </GridItem>
                                <GridItem colSpan={3} />
                                <GridItem colSpan={1}>
                                    <Input
                                        data-test-id="input-high-availability-mode"
                                        label={i18n('High Availability Mode')}
                                        type="select"
                                        className="input-options-select"
                                        groupClassName="bootstrap-input-options"
                                        isValid={
                                            genericFieldInfo[
                                                `${prefix}highAvailabilityMode`
                                            ].isValid
                                        }
                                        errorText={
                                            genericFieldInfo[
                                                `${prefix}highAvailabilityMode`
                                            ].errorText
                                        }
                                        value={
                                            dataMap[
                                                `${prefix}highAvailabilityMode`
                                            ]
                                        }
                                        onChange={e => {
                                            const selectedIndex =
                                                e.target.selectedIndex;
                                            const val =
                                                e.target.options[selectedIndex]
                                                    .value;
                                            onQDataChanged({
                                                [`${prefix}highAvailabilityMode`]: val
                                            });
                                        }}>
                                        <option key="placeholder" value="">
                                            {i18n('Select...')}
                                        </option>
                                        {genericFieldInfo[
                                            `${prefix}highAvailabilityMode`
                                        ].enum.map(hmode => (
                                            <option
                                                value={hmode.enum}
                                                key={hmode.enum}>
                                                {hmode.title}
                                            </option>
                                        ))}
                                    </Input>
                                </GridItem>
                                <GridItem colSpan={3} />
                            </GridSection>
                            <GridSection>
                                {pointers.map(pointer => (
                                    <TextAreaItem
                                        onQDataChanged={onQDataChanged}
                                        genericFieldInfo={genericFieldInfo}
                                        dataMap={dataMap}
                                        item={pointer}
                                        key={pointer.key + 'pKey'}
                                        expanded={
                                            this.state.expanded[pointer.key]
                                        }
                                        toggle={name => {
                                            this.toggle(name);
                                        }}
                                    />
                                ))}
                            </GridSection>
                        </Form>
                    )}
                </div>
            </div>
        );
    }

    toggle(name) {
        let st = this.state.expanded[name] ? true : false;
        let newState = { ...this.state };
        newState.expanded[name] = !st;
        this.setState(newState);
    }

    save() {
        let { onSubmit, qdata } = this.props;
        return onSubmit({ qdata });
    }
}

export default SoftwareProductComponentLoadBalancingView;