/*!
 * 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 licenseAgreementActionTypes } from './LicenseAgreementConstants.js';
import FeatureGroupsActionHelper from 'sdc-app/onboarding/licenseModel/featureGroups/FeatureGroupsActionHelper.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}/license-agreements`;
}

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

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

function postLicenseAgreement(licenseModelId, licenseAgreement, version) {
    return RestAPIUtil.post(baseUrl(licenseModelId, version), {
        name: licenseAgreement.name,
        description: licenseAgreement.description,
        licenseTerm: licenseAgreement.licenseTerm,
        requirementsAndConstrains: licenseAgreement.requirementsAndConstrains,
        addedFeatureGroupsIds: licenseAgreement.featureGroupsIds
    });
}

function putLicenseAgreement(
    licenseModelId,
    previousLicenseAgreement,
    licenseAgreement,
    version
) {
    const { featureGroupsIds = [] } = licenseAgreement;
    const {
        featureGroupsIds: prevFeatureGroupsIds = []
    } = previousLicenseAgreement;
    return RestAPIUtil.put(
        `${baseUrl(licenseModelId, version)}/${licenseAgreement.id}`,
        {
            name: licenseAgreement.name,
            description: licenseAgreement.description,
            licenseTerm: licenseAgreement.licenseTerm,
            requirementsAndConstrains:
                licenseAgreement.requirementsAndConstrains,
            addedFeatureGroupsIds: featureGroupsIds.filter(
                featureGroupId =>
                    prevFeatureGroupsIds.indexOf(featureGroupId) === -1
            ),
            removedFeatureGroupsIds: prevFeatureGroupsIds.filter(
                prevFeatureGroupsId =>
                    featureGroupsIds.indexOf(prevFeatureGroupsId) === -1
            )
        }
    );
}

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

export default {
    fetchLicenseAgreementList(dispatch, { licenseModelId, version }) {
        return fetchLicenseAgreementList(licenseModelId, version).then(
            response =>
                dispatch({
                    type:
                        licenseAgreementActionTypes.LICENSE_AGREEMENT_LIST_LOADED,
                    response
                })
        );
    },

    fetchLicenseAgreement(
        dispatch,
        { licenseModelId, licenseAgreementId, version }
    ) {
        return fetchLicenseAgreement(
            licenseModelId,
            licenseAgreementId,
            version
        );
    },

    openLicenseAgreementEditor(
        dispatch,
        { licenseModelId, licenseAgreement, version }
    ) {
        FeatureGroupsActionHelper.fetchFeatureGroupsList(dispatch, {
            licenseModelId,
            version
        });
        dispatch({
            type: licenseAgreementActionTypes.licenseAgreementEditor.OPEN,
            licenseAgreement
        });
    },

    closeLicenseAgreementEditor(dispatch) {
        dispatch({
            type: licenseAgreementActionTypes.licenseAgreementEditor.CLOSE
        });
    },

    saveLicenseAgreement(
        dispatch,
        { licenseModelId, previousLicenseAgreement, licenseAgreement, version }
    ) {
        if (previousLicenseAgreement) {
            return putLicenseAgreement(
                licenseModelId,
                previousLicenseAgreement,
                licenseAgreement,
                version
            ).then(() => {
                this.fetchLicenseAgreementList(dispatch, {
                    licenseModelId,
                    version
                });
                return ItemsHelper.checkItemStatus(dispatch, {
                    itemId: licenseModelId,
                    versionId: version.id
                });
            });
        } else {
            return postLicenseAgreement(
                licenseModelId,
                licenseAgreement,
                version
            ).then(() => {
                this.fetchLicenseAgreementList(dispatch, {
                    licenseModelId,
                    version
                });
                FeatureGroupsActionHelper.fetchFeatureGroupsList(dispatch, {
                    licenseModelId,
                    version
                });
                return ItemsHelper.checkItemStatus(dispatch, {
                    itemId: licenseModelId,
                    versionId: version.id
                });
            });
        }
    },

    deleteLicenseAgreement(
        dispatch,
        { licenseModelId, licenseAgreementId, version }
    ) {
        return deleteLicenseAgreement(
            licenseModelId,
            licenseAgreementId,
            version
        ).then(() => {
            dispatch({
                type: licenseAgreementActionTypes.DELETE_LICENSE_AGREEMENT,
                licenseAgreementId
            });
            return ItemsHelper.checkItemStatus(dispatch, {
                itemId: licenseModelId,
                versionId: version.id
            });
        });
    },

    selectLicenseAgreementEditorTab(dispatch, { tab }) {
        dispatch({
            type: licenseAgreementActionTypes.licenseAgreementEditor.SELECT_TAB,
            tab
        });
    }
};