/*-
 * ============LICENSE_START=======================================================
 * SDC
 * ================================================================================
 * 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.
 * ============LICENSE_END=========================================================
 */

import * as _ from "lodash";
import {Injectable, Inject} from '@angular/core';
import {Observable} from 'rxjs/Observable';
import 'rxjs/add/operator/map';
import 'rxjs/add/operator/toPromise';
import { Component, InputBEModel, InstancePropertiesAPIMap, FilterPropertiesAssignmentData, OperationModel, CreateOperationResponse, ArtifactModel} from "app/models";
import {COMPONENT_FIELDS} from "app/utils";
import {ComponentGenericResponse} from "../responses/component-generic-response";
import {InstanceBePropertiesMap} from "../../../models/properties-inputs/property-fe-map";
import {API_QUERY_PARAMS} from "app/utils";
import {ComponentType, ServerTypeUrl, SERVICE_FIELDS} from "../../../utils/constants";
import {SdcConfigToken, ISdcConfig} from "../../config/sdc-config.config";
import {IDependenciesServerResponse} from "../responses/dependencies-server-response";
import {AutomatedUpgradeGenericResponse} from "../responses/automated-upgrade-response";
import {IAutomatedUpgradeRequestObj} from "../../pages/automated-upgrade/automated-upgrade.service";
import {ComponentInstance} from "../../../models/componentsInstances/componentInstance";
import {CommonUtils} from "../../../utils/common-utils";
import {RelationshipModel} from "../../../models/graph/relationship";
import { HttpClient, HttpParams, HttpHeaders } from "@angular/common/http";
import { BEOperationModel, InterfaceModel } from "../../../models/operation";
import { PropertyBEModel } from "../../../models/properties-inputs/property-be-model";
import { PolicyInstance } from "../../../models/graph/zones/policy-instance";
import { ConstraintObject } from "../../components/logic/service-dependencies/service-dependencies.component";
import { Requirement } from "../../../models/requirement";
import { Capability } from "../../../models/capability";
import { OutputBEModel } from "app/models/attributes-outputs/output-be-model";

/*
PLEASE DO NOT USE THIS SERVICE IN ANGULAR2! Use the topology-template.service instead
 */
@Injectable()
export class ComponentServiceNg2 {

    protected baseUrl;

    constructor(protected http: HttpClient, @Inject(SdcConfigToken) sdcConfig:ISdcConfig) {
        this.baseUrl = sdcConfig.api.root + sdcConfig.api.component_api_root;
    }

    protected getComponentDataByFieldsName(componentType:string, componentId:string, fields:Array<string>):Observable<ComponentGenericResponse> {

        let params: HttpParams = new HttpParams();
        fields.forEach((field:string):void => {
            params = params.append(API_QUERY_PARAMS.INCLUDE, field);
        });

        return this.http.get<ComponentGenericResponse>(this.baseUrl + this.getServerTypeUrl(componentType) + componentId + '/filteredDataByParams', {params: params})
            .map((res) => {
                return new ComponentGenericResponse().deserialize(res);
            });
    }
    protected getServerTypeUrl = (componentType:string):string => {
        switch (componentType) {
            case ComponentType.SERVICE:
                return ServerTypeUrl.SERVICES;
            default:
                return ServerTypeUrl.RESOURCES;
        }
    }

    getFullComponent(uniqueId:string):Observable<ComponentGenericResponse> {
        return this.http.get<ComponentGenericResponse>(this.baseUrl + uniqueId)
            .map((res) => {
                return new ComponentGenericResponse().deserialize(res);
            });
    }

    getComponentMetadata(uniqueId:string, type:string):Observable<ComponentGenericResponse> {
        return this.getComponentDataByFieldsName(type, uniqueId, [COMPONENT_FIELDS.COMPONENT_METADATA]);
    }


    getComponentInstanceAttributesAndProperties(component:Component):Observable<ComponentGenericResponse> {
        return this.getComponentDataByFieldsName(component.componentType, component.uniqueId, [COMPONENT_FIELDS.COMPONENT_INSTANCES_PROPERTIES, COMPONENT_FIELDS.COMPONENT_INSTANCES_ATTRIBUTES]);
    }

    getComponentInstanceProperties(component:Component): Observable<ComponentGenericResponse> {
        return this.getComponentDataByFieldsName(component.componentType, component.uniqueId, [COMPONENT_FIELDS.COMPONENT_INSTANCES_PROPERTIES]);
    }

    getComponentAttributes(component:Component):Observable<ComponentGenericResponse> {
        return this.getComponentDataByFieldsName(component.componentType, component.uniqueId, [COMPONENT_FIELDS.COMPONENT_ATTRIBUTES]);
    }

    getComponentCompositionData(component:Component):Observable<ComponentGenericResponse> {
        return this.getComponentDataByFieldsName(component.componentType, component.uniqueId, [COMPONENT_FIELDS.COMPONENT_INSTANCES_RELATION, COMPONENT_FIELDS.COMPONENT_INSTANCES, COMPONENT_FIELDS.COMPONENT_NON_EXCLUDED_POLICIES, COMPONENT_FIELDS.COMPONENT_NON_EXCLUDED_GROUPS]);
    }

    getComponentResourcePropertiesData(component:Component):Observable<ComponentGenericResponse> {
        return this.getComponentDataByFieldsName(component.componentType, component.uniqueId, [COMPONENT_FIELDS.COMPONENT_INSTANCES, COMPONENT_FIELDS.COMPONENT_POLICIES, COMPONENT_FIELDS.COMPONENT_NON_EXCLUDED_GROUPS]);
    }

    getComponentResourceAttributesData(component:Component):Observable<ComponentGenericResponse> {
        return this.getComponentDataByFieldsName(component.componentType, component.uniqueId, [COMPONENT_FIELDS.COMPONENT_INSTANCES, COMPONENT_FIELDS.COMPONENT_NON_EXCLUDED_GROUPS]);
    }

    getComponentResourceInstances(component:Component):Observable<ComponentGenericResponse> {
        return this.getComponentDataByFieldsName(component.componentType, component.uniqueId, [COMPONENT_FIELDS.COMPONENT_INSTANCES]);
    }

    getComponentInputs(component:Component):Observable<ComponentGenericResponse> {
        return this.getComponentDataByFieldsName(component.componentType, component.uniqueId, [COMPONENT_FIELDS.COMPONENT_INPUTS]);
    }

    getComponentInputsWithProperties(component:Component):Observable<ComponentGenericResponse> {
        return this.getComponentDataByFieldsName(component.componentType, component.uniqueId, [COMPONENT_FIELDS.COMPONENT_INPUTS, COMPONENT_FIELDS.COMPONENT_INSTANCES, COMPONENT_FIELDS.COMPONENT_INSTANCES_PROPERTIES, COMPONENT_FIELDS.COMPONENT_PROPERTIES]);
    }

    getComponentDeploymentArtifacts(component:Component):Observable<ComponentGenericResponse> {
        return this.getComponentDataByFieldsName(component.componentType, component.uniqueId, [COMPONENT_FIELDS.COMPONENT_DEPLOYMENT_ARTIFACTS]);
    }

    getComponentInformationalArtifacts(component:Component):Observable<ComponentGenericResponse> {
        return this.getComponentDataByFieldsName(component.componentType, component.uniqueId, [COMPONENT_FIELDS.COMPONENT_INFORMATIONAL_ARTIFACTS]);
    }

    getComponentInformationalArtifactsAndInstances(component:Component):Observable<ComponentGenericResponse> {
        return this.getComponentDataByFieldsName(component.componentType, component.uniqueId, [COMPONENT_FIELDS.COMPONENT_INFORMATIONAL_ARTIFACTS, COMPONENT_FIELDS.COMPONENT_INSTANCES]);
    }

    getComponentToscaArtifacts(component:Component):Observable<ComponentGenericResponse> {
        return this.getComponentDataByFieldsName(component.componentType, component.uniqueId, [COMPONENT_FIELDS.COMPONENT_TOSCA_ARTIFACTS]);
    }

    getComponentProperties(component:Component):Observable<ComponentGenericResponse> {
        return this.getComponentDataByFieldsName(component.componentType, component.uniqueId, [COMPONENT_FIELDS.COMPONENT_PROPERTIES]);
    }

    getInterfaceOperations(component:Component):Observable<ComponentGenericResponse> {
        return this.getComponentDataByFieldsName(component.componentType, component.uniqueId, [COMPONENT_FIELDS.COMPONENT_INTERFACE_OPERATIONS]);
    }

    getInterfaceOperation(component:Component, operation:OperationModel):Observable<OperationModel> {
        return this.http.get<OperationModel>(this.baseUrl + component.getTypeUrl() + component.uniqueId + '/interfaceOperations/' + operation.uniqueId);
    }

    // tslint:disable-next-line:member-ordering
    createInterfaceOperation(component:Component, operation:OperationModel):Observable<OperationModel> {
        const operationList = {
            'interfaces': {
                [operation.interfaceType]: {
                    'type': operation.interfaceType,
                    'operations': {
                        [operation.name]: new BEOperationModel(operation)
                    }
                }
            }
        };
        return this.http.post<any>(this.baseUrl + component.getTypeUrl() + component.uniqueId + '/interfaceOperations', operationList)
            .map((res:any) => {
                const interf:InterfaceModel = _.find(res.interfaces, interf => interf.type === operation.interfaceType);
                const newOperation:OperationModel = _.find(interf.operations, op => op.name === operation.name);
                return new OperationModel({
                    ...newOperation,
                    interfaceType: interf.type,
                    interfaceId: interf.uniqueId,
                    artifactFileName: operation.artifactFileName
                });
            });
    }

    // tslint:disable-next-line:member-ordering
    updateInterfaceOperation(component:Component, operation:OperationModel):Observable<OperationModel> {
        const operationList = {
            interfaces: {
                [operation.interfaceType]: {
                    type: operation.interfaceType,
                    operations: {
                        [operation.name]: new BEOperationModel(operation)
                    }
                }
            }
        };
        return this.http.put<any>(this.baseUrl + component.getTypeUrl() + component.uniqueId + '/interfaceOperations', operationList)
            .map((res: any) => {
                const interf: InterfaceModel = _.find(res.interfaces, interf => interf.type === operation.interfaceType);
                const newOperation: OperationModel = _.find(interf.operations, op => op.name === operation.name);
                return new OperationModel({
                    ...newOperation,
                    interfaceType: interf.type,
                    interfaceId: interf.uniqueId,
                    artifactFileName: operation.artifactFileName
                });
            });
    }


    deleteInterfaceOperation(component: Component, operation:OperationModel):Observable<OperationModel> {
        return this.http.delete<OperationModel>(this.baseUrl + component.getTypeUrl() + component.uniqueId + '/interfaces/' + operation.interfaceId + '/operations/' + operation.uniqueId);
    }

    getInterfaceTypes(component:Component):Observable<{[id:string]: Array<string>}> {
        return this.http.get<any>(this.baseUrl + 'interfaceLifecycleTypes')
            .map((res: any) => {
                const interfaceMap = {};
                if (!res) {
                    return interfaceMap;
                }
                Object.keys(res).forEach(interfaceName => {
                    const interface1 = res[interfaceName];
                    if (!interface1.toscaPresentation.operations) {
                        return;
                    }
                    interfaceMap[interface1.toscaPresentation.type] = Object.keys(interface1.toscaPresentation.operations);
                });
                return interfaceMap;
            });
    }

    uploadInterfaceOperationArtifact(component:Component, newOperation:OperationModel, oldOperation:OperationModel) {
        const payload = {
            artifactType: "WORKFLOW",
            artifactName: oldOperation.artifactFileName,
            description: "Workflow Artifact Description",
            payloadData: oldOperation.artifactData
        };


        JSON.stringify(payload);
        const payloadString = JSON.stringify(payload, null, '  ');
        const md5Result = md5(payloadString).toLowerCase();
        const headers = new HttpHeaders().append('Content-MD5', btoa(md5Result));

        return this.http.post(this.baseUrl + component.getTypeUrl() + component.uuid + '/interfaces/' + newOperation.interfaceId + '/operations/' + newOperation.uniqueId + '/artifacts/' + newOperation.implementation.artifactUUID,
                payload, {headers}
            ).map((res: any) => {
                const fileName = res.artifactDisplayName || res.artifactName;
                newOperation.artifactFileName = fileName;
                return res;
            });
    }

    getCapabilitiesAndRequirements(componentType: string, componentId:string):Observable<ComponentGenericResponse> {
        return this.getComponentDataByFieldsName(componentType, componentId, [COMPONENT_FIELDS.COMPONENT_REQUIREMENTS, COMPONENT_FIELDS.COMPONENT_CAPABILITIES]);
    }





    getDeploymentGraphData(component:Component):Observable<ComponentGenericResponse> {
        return this.getComponentDataByFieldsName(component.componentType, component.uniqueId, [COMPONENT_FIELDS.COMPONENT_INSTANCES_RELATION, COMPONENT_FIELDS.COMPONENT_INSTANCES, COMPONENT_FIELDS.COMPONENT_GROUPS]);
    }

    createInput(component:Component, inputsToCreate:InstancePropertiesAPIMap, isSelf:boolean):Observable<any> {
        const inputs = isSelf ? { serviceProperties: inputsToCreate.componentInstanceProperties } : inputsToCreate;
        return this.http.post<any>(this.baseUrl + component.getTypeUrl() + component.uniqueId + '/create/inputs', inputs);
    }

    createListInput(component:Component, input:any, isSelf:boolean):Observable<any> {
        let inputs: any;
        if(isSelf) {
            // change componentInstanceProperties -> serviceProperties
            inputs = {
                componentInstInputsMap: {
                    serviceProperties: input.componentInstInputsMap.componentInstanceProperties
                },
                listInput: input.listInput
            };
        } else {
            inputs = input;
        }
        return this.http.post<any>(this.baseUrl + component.getTypeUrl() + component.uniqueId + '/create/listInput', inputs);
    }

    createPolicy(component:Component, policiesToCreate:InstancePropertiesAPIMap, isSelf:boolean):Observable<any> {
        const policiesList =
            isSelf ?
                {'componentPropertiesToPolicies': {
                        ...policiesToCreate.componentInstanceProperties
                    }
                } :
                {'componentInstancePropertiesToPolicies': {
                        ...policiesToCreate.componentInstanceProperties
                    }
                };
        return this.http.post(this.baseUrl + component.getTypeUrl() + component.uniqueId + '/create/policies', policiesList);
    }

    deletePolicy(component:Component, policy: PolicyInstance) {
        return this.http.put<PolicyInstance>(this.baseUrl + component.getTypeUrl() + component.uniqueId + '/policies/' + policy.uniqueId + '/undeclare', policy);
    }

    restoreComponent(componentType:string, componentId:string) {
        return this.http.post(this.baseUrl + this.getServerTypeUrl(componentType) + componentId + '/restore', {})
    }

    archiveComponent(componentType:string, componentId:string) {
        return this.http.post(this.baseUrl + this.getServerTypeUrl(componentType) + componentId + '/archive', {})
    }

    deleteInput(component:Component, input:InputBEModel):Observable<InputBEModel> {

        return this.http.delete<InputBEModel>(this.baseUrl + component.getTypeUrl() + component.uniqueId + '/delete/' + input.uniqueId + '/input')
            .map((res) => {
                return new InputBEModel(res);
            })
    }

    deleteOutput(component:Component, output:OutputBEModel):Observable<OutputBEModel> {

        return this.http.delete<OutputBEModel>(this.baseUrl + component.getTypeUrl() + component.uniqueId + '/delete/' + output.uniqueId + '/output')
            .map((res) => {
                return new OutputBEModel(res);
            })
    }

    updateComponentInputs(component:Component, inputs:InputBEModel[]):Observable<InputBEModel[]> {

        return this.http.post<InputBEModel[]>(this.baseUrl + component.getTypeUrl() + component.uniqueId + '/update/inputs', inputs)
            .map((res) => {
                return res.map((input) => new InputBEModel(input));
            })
    }

    updateComponentOutputs(component:Component, outputs:OutputBEModel[]):Observable<OutputBEModel[]> {

        return this.http.post<OutputBEModel[]>(this.baseUrl + component.getTypeUrl() + component.uniqueId + '/update/outputs', outputs)
            .map((res) => {
                return res.map((output) => new OutputBEModel(output));
            })
    }

    filterComponentInstanceProperties(component:Component, filterData:FilterPropertiesAssignmentData):Observable<InstanceBePropertiesMap> {//instance-property-be-map
        let params: HttpParams = new HttpParams();
        filterData.selectedTypes.forEach((type:string) => {
            params = params.append('resourceType', type);
        });

        return this.http.get<InstanceBePropertiesMap>(this.baseUrl + component.getTypeUrl() + component.uniqueId + '/filteredproperties/' + filterData.propertyName, {params: params});
    }

    filterComponentInstanceAttributes(component:Component, filterData:FilterPropertiesAssignmentData):Observable<InstanceBePropertiesMap> {//instance-property-be-map
        let params: HttpParams = new HttpParams();
        filterData.selectedTypes.forEach((type:string) => {
            params = params.append('resourceType', type);
        });

        return this.http.get<InstanceBePropertiesMap>(this.baseUrl + component.getTypeUrl() + component.uniqueId + '/filteredproperties/' + filterData.propertyName, {params: params});
    }

    createServiceProperty(component: Component, propertyModel:PropertyBEModel): Observable<PropertyBEModel> {
        let serverObject = {};
        serverObject[propertyModel.name] = propertyModel;
        return this.http.post(this.baseUrl + component.getTypeUrl() + component.uniqueId + '/properties', serverObject)
            .map((res: PropertyBEModel) => {
                const property: PropertyBEModel = new PropertyBEModel(res);
                return property;
            })
    }

    getServiceProperties(component: Component): Observable<PropertyBEModel[]> {
        return this.http.get(this.baseUrl + component.getTypeUrl() + component.uniqueId + '/properties')
            .map((res: PropertyBEModel[]) => {
                if (!res) {
                    return new Array<PropertyBEModel>();
                }
                return CommonUtils.initBeProperties(res);
            });
    }

    updateServiceProperties(component: Component, properties: PropertyBEModel[]) {
        return this.http.put<PropertyBEModel[]>( this.baseUrl + component.getTypeUrl() + component.uniqueId + '/properties', properties)
            .map((res) => {
                const resJson = res;
                return _.map(resJson,
                    (resValue:PropertyBEModel) => new PropertyBEModel(resValue));
            });
    }

    deleteServiceProperty(component:Component, property:PropertyBEModel):Observable<string> {
        return this.http.delete(this.baseUrl + component.getTypeUrl() + component.uniqueId + '/properties/' + property.uniqueId )
            .map((res:Response) => {
                return property.uniqueId;
            })
    }

    getDependencies(componentType:string, componentId: string):Observable<IDependenciesServerResponse[]> {
        return this.http.get<IDependenciesServerResponse[]>(this.baseUrl + this.getServerTypeUrl(componentType) + componentId + '/dependencies');
    }

    automatedUpgrade(componentType:string, componentId:string, componentsIdsToUpgrade:IAutomatedUpgradeRequestObj[]):Observable<AutomatedUpgradeGenericResponse> {
        return this.http.post<AutomatedUpgradeGenericResponse>(this.baseUrl + this.getServerTypeUrl(componentType) + componentId + '/automatedupgrade', componentsIdsToUpgrade);
    }

    updateMultipleComponentInstances(componentId:string, instances:ComponentInstance[]):Observable<ComponentInstance[]> {
        return this.http.post<ComponentInstance[]>(this.baseUrl + componentId + '/resourceInstance/multipleComponentInstance', instances);
    }

    getServiceFilterConstraints(component:Component):Observable<ComponentGenericResponse> {
        return this.getComponentDataByFieldsName(component.componentType, component.uniqueId, [SERVICE_FIELDS.NODE_FILTER]);
    }

    createServiceFilterConstraints(component:Component, componentInstance:ComponentInstance, constraint:ConstraintObject):Observable<any> {
        return this.http.post<any>(this.baseUrl + component.getTypeUrl() + component.uniqueId + '/resourceInstances/' + componentInstance.uniqueId + '/nodeFilter', constraint);
    }

    updateServiceFilterConstraints(component:Component, componentInstance:ComponentInstance, constraints:ConstraintObject[]):Observable<any> {
        return this.http.put<any>(this.baseUrl + component.getTypeUrl() + component.uniqueId + '/resourceInstances/' + componentInstance.uniqueId + '/nodeFilter/', constraints);
    }

    deleteServiceFilterConstraints(component:Component, componentInstance:ComponentInstance, constraintIndex:number) {
        return this.http.delete<any>(this.baseUrl + component.getTypeUrl() + component.uniqueId + '/resourceInstances/' + componentInstance.uniqueId + '/nodeFilter/' + constraintIndex);
    }

    protected analyzeComponentDataResponse(res: Response):ComponentGenericResponse {
        return new ComponentGenericResponse().deserialize(res);
    }
}