/*!
 * Copyright © 2016-2018 European Support Limited
 *
 * 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 Tabs from 'nfvo-components/input/validation/Tabs.jsx';
import Tab from 'sdc-ui/lib/react/Tab.js';
import GridSection from 'nfvo-components/grid/GridSection.jsx';
import GridItem from 'nfvo-components/grid/GridItem.jsx';
import { TabsForm as Form } from 'nfvo-components/input/validation/Form.jsx';
import DualListboxView from 'nfvo-components/input/dualListbox/DualListboxView.jsx';
import Input from 'nfvo-components/input/validation/Input.jsx';
import i18n from 'nfvo-utils/i18n/i18n.js';
import Validator from 'nfvo-utils/Validator.js';

import {
    state as FeatureGroupStateConstants,
    FG_EDITOR_FORM
} from './FeatureGroupsConstants.js';

const FeatureGroupsPropType = PropTypes.shape({
    id: PropTypes.string,
    name: PropTypes.string,
    description: PropTypes.string,
    partNumber: PropTypes.string,
    manufacturerReferenceNumber: PropTypes.string,
    entitlementPoolsIds: PropTypes.arrayOf(PropTypes.string),
    licenseKeyGroupsIds: PropTypes.arrayOf(PropTypes.string)
});

const GeneralTab = ({
    data = {},
    onDataChanged,
    genericFieldInfo,
    validateName
}) => {
    let { name, description, partNumber } = data;
    return (
        <GridSection hasLastColSet>
            <GridItem colSpan={4}>
                <Input
                    groupClassName="field-section"
                    onChange={name =>
                        onDataChanged({ name }, FG_EDITOR_FORM, {
                            name: validateName
                        })
                    }
                    label={i18n('Name')}
                    data-test-id="create-fg-name"
                    value={name}
                    name="feature-group-name"
                    type="text"
                    isRequired={true}
                    isValid={genericFieldInfo.name.isValid}
                    errorText={genericFieldInfo.name.errorText}
                />
            </GridItem>
            <GridItem colSpan={4} lastColInRow strech>
                <Input
                    groupClassName="field-section"
                    className="description-field"
                    onChange={description =>
                        onDataChanged({ description }, FG_EDITOR_FORM)
                    }
                    data-test-id="create-fg-description"
                    label={i18n('Description')}
                    value={description}
                    name="feature-group-description"
                    type="textarea"
                    isValid={genericFieldInfo.description.isValid}
                    errorText={genericFieldInfo.description.errorText}
                />
            </GridItem>
            <GridItem colSpan={4}>
                <Input
                    groupClassName="field-section"
                    onChange={partNumber =>
                        onDataChanged({ partNumber }, FG_EDITOR_FORM)
                    }
                    label={i18n('Part Number')}
                    data-test-id="create-fg-part-number"
                    value={partNumber}
                    isRequired={true}
                    type="text"
                    isValid={genericFieldInfo.partNumber.isValid}
                    errorText={genericFieldInfo.partNumber.errorText}
                />
            </GridItem>
        </GridSection>
    );
};

const EntitlementPoolsTab = ({
    entitlementPoolsList,
    data,
    onDataChanged,
    isReadOnlyMode
}) => {
    const dualBoxFilterTitle = {
        left: i18n('Available Entitlement Pools'),
        right: i18n('Selected Entitlement Pools')
    };
    if (entitlementPoolsList.length > 0) {
        return (
            <DualListboxView
                isReadOnlyMode={isReadOnlyMode}
                filterTitle={dualBoxFilterTitle}
                selectedValuesList={data.entitlementPoolsIds}
                availableList={entitlementPoolsList}
                onChange={selectedValuesList =>
                    onDataChanged(
                        { entitlementPoolsIds: selectedValuesList },
                        FG_EDITOR_FORM
                    )
                }
            />
        );
    } else {
        return <p>{i18n('There are no available entitlement pools')}</p>;
    }
};

const LKGTab = ({
    licenseKeyGroupsList,
    data,
    onDataChanged,
    isReadOnlyMode
}) => {
    const dualBoxFilterTitle = {
        left: i18n('Available License Key Groups'),
        right: i18n('Selected License Key Groups')
    };
    if (licenseKeyGroupsList.length > 0) {
        return (
            <DualListboxView
                isReadOnlyMode={isReadOnlyMode}
                filterTitle={dualBoxFilterTitle}
                selectedValuesList={data.licenseKeyGroupsIds}
                availableList={licenseKeyGroupsList}
                onChange={selectedValuesList =>
                    onDataChanged(
                        { licenseKeyGroupsIds: selectedValuesList },
                        FG_EDITOR_FORM
                    )
                }
            />
        );
    } else {
        return <p>{i18n('There are no available license key groups')}</p>;
    }
};

class FeatureGroupEditorView extends React.Component {
    static propTypes = {
        data: FeatureGroupsPropType,
        previousData: FeatureGroupsPropType,
        isReadOnlyMode: PropTypes.bool,
        FGNames: PropTypes.object,

        onSubmit: PropTypes.func,
        onCancel: PropTypes.func,

        selectedTab: PropTypes.number,
        onTabSelect: PropTypes.func,

        entitlementPoolsList: DualListboxView.propTypes.availableList,
        licenseKeyGroupsList: DualListboxView.propTypes.availableList
    };

    static defaultProps = {
        data: {},
        selectedTab:
            FeatureGroupStateConstants.SELECTED_FEATURE_GROUP_TAB.GENERAL
    };

    state = {
        localEntitlementPoolsListFilter: '',
        localLicenseKeyGroupsListFilter: ''
    };

    render() {
        let {
            selectedTab,
            onTabSelect,
            isReadOnlyMode,
            invalidTabs,
            data,
            onDataChanged,
            genericFieldInfo,
            entitlementPoolsList,
            licenseKeyGroupsList
        } = this.props;
        return (
            <div>
                {genericFieldInfo && (
                    <Form
                        ref="validationForm"
                        hasButtons={true}
                        onSubmit={() => this.submit()}
                        isValid={this.props.isFormValid}
                        formReady={this.props.formReady}
                        onValidateForm={() =>
                            this.props.onValidateForm(FG_EDITOR_FORM)
                        }
                        onReset={() => this.props.onCancel()}
                        labledButtons={true}
                        isReadOnlyMode={isReadOnlyMode}
                        name="feature-group-validation-form"
                        className="license-model-form feature-group-form">
                        <Tabs
                            activeTab={onTabSelect ? selectedTab : undefined}
                            onTabClick={onTabSelect}
                            invalidTabs={invalidTabs}
                            id="vlmFGValTabs">
                            <Tab
                                tabId={
                                    FeatureGroupStateConstants
                                        .SELECTED_FEATURE_GROUP_TAB.GENERAL
                                }
                                title={i18n('General')}>
                                <fieldset disabled={isReadOnlyMode}>
                                    <GeneralTab
                                        data={data}
                                        onDataChanged={onDataChanged}
                                        genericFieldInfo={genericFieldInfo}
                                        validateName={value =>
                                            this.validateName(value)
                                        }
                                    />
                                </fieldset>
                            </Tab>
                            <Tab
                                tabId={
                                    FeatureGroupStateConstants
                                        .SELECTED_FEATURE_GROUP_TAB
                                        .ENTITLEMENT_POOLS
                                }
                                title={i18n('Entitlement Pools')}>
                                <fieldset disabled={isReadOnlyMode}>
                                    <EntitlementPoolsTab
                                        isReadOnlyMode={isReadOnlyMode}
                                        data={data}
                                        onDataChanged={onDataChanged}
                                        entitlementPoolsList={
                                            entitlementPoolsList
                                        }
                                    />
                                </fieldset>
                            </Tab>
                            <Tab
                                tabId={
                                    FeatureGroupStateConstants
                                        .SELECTED_FEATURE_GROUP_TAB
                                        .LICENSE_KEY_GROUPS
                                }
                                title={i18n('License Key Groups')}>
                                <fieldset disabled={isReadOnlyMode}>
                                    <LKGTab
                                        isReadOnlyMode={isReadOnlyMode}
                                        data={data}
                                        onDataChanged={onDataChanged}
                                        licenseKeyGroupsList={
                                            licenseKeyGroupsList
                                        }
                                    />
                                </fieldset>
                            </Tab>
                        </Tabs>
                    </Form>
                )}
            </div>
        );
    }

    submit() {
        const {
            data: featureGroup,
            previousData: previousFeatureGroup
        } = this.props;
        this.props.onSubmit(previousFeatureGroup, featureGroup);
    }

    validateName(value) {
        const { data: { id }, FGNames } = this.props;
        const isExists = Validator.isItemNameAlreadyExistsInList({
            itemId: id,
            itemName: value,
            list: FGNames
        });

        return !isExists
            ? { isValid: true, errorText: '' }
            : {
                  isValid: false,
                  errorText: i18n(
                      "Feature group by the name '" +
                          value +
                          "' already exists. Feature group name must be unique"
                  )
              };
    }
}

export default FeatureGroupEditorView;