/*!
 * 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 RestAPIUtil from 'nfvo-utils/RestAPIUtil.js';
import Configuration from 'sdc-app/config/Configuration.js';
import { actionTypes as featureGroupsActionConstants } from './FeatureGroupsConstants.js';
import EntitlementPoolsActionHelper from 'sdc-app/onboarding/licenseModel/entitlementPools/EntitlementPoolsActionHelper.js';
import LicenseKeyGroupsActionHelper from 'sdc-app/onboarding/licenseModel/licenseKeyGroups/LicenseKeyGroupsActionHelper.js';
import ItemsHelper from 'sdc-app/common/helpers/ItemsHelper.js';

function baseUrl(licenseModelId, version) {
    const restPrefix = Configuration.get('restPrefix');
    const { id: versionId } = version;
    return `${restPrefix}/v1.0/vendor-license-models/${licenseModelId}/versions/${versionId}/feature-groups`;
}

function fetchFeatureGroup(licenseModelId, featureGroupId, version) {
    return RestAPIUtil.fetch(
        `${baseUrl(licenseModelId, version)}/${featureGroupId}`
    );
}

function fetchFeatureGroupsList(licenseModelId, version) {
    return RestAPIUtil.fetch(`${baseUrl(licenseModelId, version)}`);
}

function deleteFeatureGroup(licenseModelId, featureGroupId, version) {
    return RestAPIUtil.destroy(
        `${baseUrl(licenseModelId, version)}/${featureGroupId}`
    );
}

function addFeatureGroup(licenseModelId, featureGroup, version) {
    return RestAPIUtil.post(baseUrl(licenseModelId, version), {
        name: featureGroup.name,
        description: featureGroup.description,
        partNumber: featureGroup.partNumber,
        manufacturerReferenceNumber: featureGroup.manufacturerReferenceNumber,
        addedLicenseKeyGroupsIds: featureGroup.licenseKeyGroupsIds,
        addedEntitlementPoolsIds: featureGroup.entitlementPoolsIds
    });
}

function updateFeatureGroup(
    licenseModelId,
    previousFeatureGroup,
    featureGroup,
    version
) {
    const { licenseKeyGroupsIds = [] } = featureGroup;
    const {
        licenseKeyGroupsIds: prevLicenseKeyGroupsIds = []
    } = previousFeatureGroup;
    const { entitlementPoolsIds = [] } = featureGroup;
    const {
        entitlementPoolsIds: prevEntitlementPoolsIds = []
    } = previousFeatureGroup;
    return RestAPIUtil.put(
        `${baseUrl(licenseModelId, version)}/${featureGroup.id}`,
        {
            name: featureGroup.name,
            description: featureGroup.description,
            partNumber: featureGroup.partNumber,
            manufacturerReferenceNumber:
                featureGroup.manufacturerReferenceNumber,
            addedLicenseKeyGroupsIds: licenseKeyGroupsIds.filter(
                licenseKeyGroupId =>
                    prevLicenseKeyGroupsIds.indexOf(licenseKeyGroupId) === -1
            ),
            removedLicenseKeyGroupsIds: prevLicenseKeyGroupsIds.filter(
                prevLicenseKeyGroupId =>
                    licenseKeyGroupsIds.indexOf(prevLicenseKeyGroupId) === -1
            ),
            addedEntitlementPoolsIds: entitlementPoolsIds.filter(
                entitlementPoolId =>
                    prevEntitlementPoolsIds.indexOf(entitlementPoolId) === -1
            ),
            removedEntitlementPoolsIds: prevEntitlementPoolsIds.filter(
                prevEntitlementPoolId =>
                    entitlementPoolsIds.indexOf(prevEntitlementPoolId) === -1
            )
        }
    );
}

export default {
    fetchFeatureGroup(dispatch, { licenseModelId, featureGroupId, version }) {
        return fetchFeatureGroup(licenseModelId, featureGroupId, version);
    },

    fetchFeatureGroupsList(dispatch, { licenseModelId, version }) {
        return fetchFeatureGroupsList(licenseModelId, version).then(response =>
            dispatch({
                type: featureGroupsActionConstants.FEATURE_GROUPS_LIST_LOADED,
                response
            })
        );
    },

    deleteFeatureGroup(dispatch, { licenseModelId, featureGroupId, version }) {
        return deleteFeatureGroup(licenseModelId, featureGroupId, version).then(
            () => {
                dispatch({
                    type: featureGroupsActionConstants.DELETE_FEATURE_GROUPS,
                    featureGroupId
                });
                return ItemsHelper.checkItemStatus(dispatch, {
                    itemId: licenseModelId,
                    versionId: version.id
                });
            }
        );
    },

    saveFeatureGroup(
        dispatch,
        { licenseModelId, previousFeatureGroup, featureGroup, version }
    ) {
        if (previousFeatureGroup) {
            return updateFeatureGroup(
                licenseModelId,
                previousFeatureGroup,
                featureGroup,
                version
            ).then(() => {
                dispatch({
                    type: featureGroupsActionConstants.EDIT_FEATURE_GROUPS,
                    featureGroup
                });
                EntitlementPoolsActionHelper.fetchEntitlementPoolsList(
                    dispatch,
                    { licenseModelId, version }
                );
                LicenseKeyGroupsActionHelper.fetchLicenseKeyGroupsList(
                    dispatch,
                    { licenseModelId, version }
                );
                return ItemsHelper.checkItemStatus(dispatch, {
                    itemId: licenseModelId,
                    versionId: version.id
                });
            });
        } else {
            return addFeatureGroup(licenseModelId, featureGroup, version).then(
                response => {
                    dispatch({
                        type: featureGroupsActionConstants.ADD_FEATURE_GROUPS,
                        featureGroup: {
                            ...featureGroup,
                            id: response.value,
                            referencingLicenseAgreements: []
                        }
                    });
                    EntitlementPoolsActionHelper.fetchEntitlementPoolsList(
                        dispatch,
                        { licenseModelId, version }
                    );
                    LicenseKeyGroupsActionHelper.fetchLicenseKeyGroupsList(
                        dispatch,
                        { licenseModelId, version }
                    );
                    return ItemsHelper.checkItemStatus(dispatch, {
                        itemId: licenseModelId,
                        versionId: version.id
                    });
                }
            );
        }
    },

    selectEntitlementPoolsEditorTab(dispatch, { tab }) {
        dispatch({
            type: featureGroupsActionConstants.featureGroupsEditor.SELECT_TAB,
            tab
        });
    },

    openFeatureGroupsEditor(
        dispatch,
        { featureGroup, licenseModelId, version }
    ) {
        return Promise.all([
            EntitlementPoolsActionHelper.fetchEntitlementPoolsList(dispatch, {
                licenseModelId,
                version
            }),
            LicenseKeyGroupsActionHelper.fetchLicenseKeyGroupsList(dispatch, {
                licenseModelId,
                version
            })
        ]).then(() => {
            dispatch({
                type: featureGroupsActionConstants.featureGroupsEditor.OPEN,
                featureGroup
            });
        });
    },

    closeFeatureGroupsEditor(dispatch) {
        dispatch({
            type: featureGroupsActionConstants.featureGroupsEditor.CLOSE
        });
    }
};