/*
 * Copyright 2020 Intel Corporation, Inc
 *
 * 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.
 */

package api

import (
	"github.com/gorilla/mux"
	moduleLib "github.com/onap/multicloud-k8s/src/orchestrator/pkg/module"
)

var moduleClient *moduleLib.Client

// NewRouter creates a router that registers the various urls that are supported
func NewRouter(projectClient moduleLib.ProjectManager,
	compositeAppClient moduleLib.CompositeAppManager,
	appClient moduleLib.AppManager,
	ControllerClient moduleLib.ControllerManager,
	genericPlacementIntentClient moduleLib.GenericPlacementIntentManager,
	appIntentClient moduleLib.AppIntentManager,
	deploymentIntentGrpClient moduleLib.DeploymentIntentGroupManager,
	intentClient moduleLib.IntentManager,
	compositeProfileClient moduleLib.CompositeProfileManager,
	appProfileClient moduleLib.AppProfileManager,
	instantiationClient moduleLib.InstantiationManager) *mux.Router {

	router := mux.NewRouter().PathPrefix("/v2").Subrouter()

	moduleClient = moduleLib.NewClient()

	//setting routes for project
	if projectClient == nil {
		projectClient = moduleClient.Project

	}
	projHandler := projectHandler{
		client: projectClient,
	}
	if ControllerClient == nil {
		ControllerClient = moduleClient.Controller
	}
	controlHandler := controllerHandler{
		client: ControllerClient,
	}
	router.HandleFunc("/projects", projHandler.createHandler).Methods("POST")
	router.HandleFunc("/projects/{project-name}", projHandler.getHandler).Methods("GET")
	router.HandleFunc("/projects/{project-name}", projHandler.deleteHandler).Methods("DELETE")

	//setting routes for compositeApp
	if compositeAppClient == nil {
		compositeAppClient = moduleClient.CompositeApp
	}
	compAppHandler := compositeAppHandler{
		client: compositeAppClient,
	}
	router.HandleFunc("/projects/{project-name}/composite-apps", compAppHandler.createHandler).Methods("POST")
	router.HandleFunc("/projects/{project-name}/composite-apps/{composite-app-name}/{version}", compAppHandler.getHandler).Methods("GET")
	router.HandleFunc("/projects/{project-name}/composite-apps/{composite-app-name}/{version}", compAppHandler.deleteHandler).Methods("DELETE")

	if appClient == nil {
		appClient = moduleClient.App
	}
	appHandler := appHandler{
		client: appClient,
	}

	router.HandleFunc("/projects/{project-name}/composite-apps/{composite-app-name}/{version}/apps", appHandler.createAppHandler).Methods("POST")
	router.HandleFunc("/projects/{project-name}/composite-apps/{composite-app-name}/{version}/apps/{app-name}", appHandler.getAppHandler).Methods("GET")
	router.HandleFunc("/projects/{project-name}/composite-apps/{composite-app-name}/{version}/apps", appHandler.getAppHandler).Methods("GET")
	router.HandleFunc("/projects/{project-name}/composite-apps/{composite-app-name}/{version}/apps/{app-name}", appHandler.deleteAppHandler).Methods("DELETE")

	if compositeProfileClient == nil {
		compositeProfileClient = moduleClient.CompositeProfile
	}
	compProfilepHandler := compositeProfileHandler{
		client: compositeProfileClient,
	}
	if appProfileClient == nil {
		appProfileClient = moduleClient.AppProfile
	}
	appProfileHandler := appProfileHandler{
		client: appProfileClient,
	}

	router.HandleFunc("/projects/{project-name}/composite-apps/{composite-app-name}/{composite-app-version}/composite-profiles", compProfilepHandler.createHandler).Methods("POST")
	router.HandleFunc("/projects/{project-name}/composite-apps/{composite-app-name}/{composite-app-version}/composite-profiles", compProfilepHandler.getHandler).Methods("GET")
	router.HandleFunc("/projects/{project-name}/composite-apps/{composite-app-name}/{composite-app-version}/composite-profiles/{composite-profile-name}", compProfilepHandler.getHandler).Methods("GET")
	router.HandleFunc("/projects/{project-name}/composite-apps/{composite-app-name}/{composite-app-version}/composite-profiles/{composite-profile-name}", compProfilepHandler.deleteHandler).Methods("DELETE")
	router.HandleFunc("/projects/{project-name}/composite-apps/{composite-app-name}/{composite-app-version}/composite-profiles/{composite-profile-name}/profiles", appProfileHandler.createAppProfileHandler).Methods("POST")
	router.HandleFunc("/projects/{project-name}/composite-apps/{composite-app-name}/{composite-app-version}/composite-profiles/{composite-profile-name}/profiles", appProfileHandler.getAppProfileHandler).Methods("GET")
	router.HandleFunc("/projects/{project-name}/composite-apps/{composite-app-name}/{composite-app-version}/composite-profiles/{composite-profile-name}/profiles", appProfileHandler.getAppProfileHandler).Queries("app-name", "{app-name}")
	router.HandleFunc("/projects/{project-name}/composite-apps/{composite-app-name}/{composite-app-version}/composite-profiles/{composite-profile-name}/profiles/{app-profile}", appProfileHandler.getAppProfileHandler).Methods("GET")
	router.HandleFunc("/projects/{project-name}/composite-apps/{composite-app-name}/{composite-app-version}/composite-profiles/{composite-profile-name}/profiles/{app-profile}", appProfileHandler.deleteAppProfileHandler).Methods("DELETE")

	router.HandleFunc("/projects/{project-name}/composite-apps/{composite-app-name}/{composite-app-version}/composite-profiles/{composite-profile-name}/profiles", appProfileHandler.createAppProfileHandler).Methods("POST")
	router.HandleFunc("/projects/{project-name}/composite-apps/{composite-app-name}/{composite-app-version}/composite-profiles/{composite-profile-name}/profiles", appProfileHandler.getAppProfileHandler).Methods("GET")
	router.HandleFunc("/projects/{project-name}/composite-apps/{composite-app-name}/{composite-app-version}/composite-profiles/{composite-profile-name}/profiles", appProfileHandler.getAppProfileHandler).Queries("app-name", "{app-name}")
	router.HandleFunc("/projects/{project-name}/composite-apps/{composite-app-name}/{composite-app-version}/composite-profiles/{composite-profile-name}/profiles/{app-profile}", appProfileHandler.getAppProfileHandler).Methods("GET")
	router.HandleFunc("/projects/{project-name}/composite-apps/{composite-app-name}/{composite-app-version}/composite-profiles/{composite-profile-name}/profiles/{app-profile}", appProfileHandler.deleteAppProfileHandler).Methods("DELETE")

	router.HandleFunc("/controllers", controlHandler.createHandler).Methods("POST")
	router.HandleFunc("/controllers", controlHandler.createHandler).Methods("PUT")
	router.HandleFunc("/controllers/{controller-name}", controlHandler.getHandler).Methods("GET")
	router.HandleFunc("/controllers/{controller-name}", controlHandler.deleteHandler).Methods("DELETE")
	//setting routes for genericPlacementIntent
	if genericPlacementIntentClient == nil {
		genericPlacementIntentClient = moduleClient.GenericPlacementIntent
	}

	genericPlacementIntentHandler := genericPlacementIntentHandler{
		client: genericPlacementIntentClient,
	}
	router.HandleFunc("/projects/{project-name}/composite-apps/{composite-app-name}/{composite-app-version}/generic-placement-intents", genericPlacementIntentHandler.createGenericPlacementIntentHandler).Methods("POST")
	router.HandleFunc("/projects/{project-name}/composite-apps/{composite-app-name}/{composite-app-version}/generic-placement-intents/{intent-name}", genericPlacementIntentHandler.getGenericPlacementHandler).Methods("GET")
	router.HandleFunc("/projects/{project-name}/composite-apps/{composite-app-name}/{composite-app-version}/generic-placement-intents/{intent-name}", genericPlacementIntentHandler.deleteGenericPlacementHandler).Methods("DELETE")

	//setting routes for AppIntent
	if appIntentClient == nil {
		appIntentClient = moduleClient.AppIntent
	}

	appIntentHandler := appIntentHandler{
		client: appIntentClient,
	}

	router.HandleFunc("/projects/{project-name}/composite-apps/{composite-app-name}/{composite-app-version}/generic-placement-intents/{intent-name}/app-intents", appIntentHandler.createAppIntentHandler).Methods("POST")
	router.HandleFunc("/projects/{project-name}/composite-apps/{composite-app-name}/{composite-app-version}/generic-placement-intents/{intent-name}/app-intents/{app-intent-name}", appIntentHandler.getAppIntentHandler).Methods("GET")
	router.HandleFunc("/projects/{project-name}/composite-apps/{composite-app-name}/{composite-app-version}/generic-placement-intents/{intent-name}/app-intents/{app-intent-name}", appIntentHandler.deleteAppIntentHandler).Methods("DELETE")

	//setting routes for deploymentIntentGroup
	if deploymentIntentGrpClient == nil {
		deploymentIntentGrpClient = moduleClient.DeploymentIntentGroup
	}

	deploymentIntentGrpHandler := deploymentIntentGroupHandler{
		client: deploymentIntentGrpClient,
	}
	router.HandleFunc("/projects/{project-name}/composite-apps/{composite-app-name}/{composite-app-version}/deployment-intent-groups", deploymentIntentGrpHandler.createDeploymentIntentGroupHandler).Methods("POST")
	router.HandleFunc("/projects/{project-name}/composite-apps/{composite-app-name}/{composite-app-version}/deployment-intent-groups/{deployment-intent-group-name}", deploymentIntentGrpHandler.getDeploymentIntentGroupHandler).Methods("GET")
	router.HandleFunc("/projects/{project-name}/composite-apps/{composite-app-name}/{composite-app-version}/deployment-intent-groups/{deployment-intent-group-name}", deploymentIntentGrpHandler.deleteDeploymentIntentGroupHandler).Methods("DELETE")

	// setting routes for AddingIntents
	if intentClient == nil {
		intentClient = moduleClient.Intent
	}

	intentHandler := intentHandler{
		client: intentClient,
	}

	router.HandleFunc("/projects/{project-name}/composite-apps/{composite-app-name}/{composite-app-version}/deployment-intent-groups/{deployment-intent-group-name}/intents", intentHandler.addIntentHandler).Methods("POST")
	router.HandleFunc("/projects/{project-name}/composite-apps/{composite-app-name}/{composite-app-version}/deployment-intent-groups/{deployment-intent-group-name}/intents/{intent-name}", intentHandler.getIntentHandler).Methods("GET")
	router.HandleFunc("/projects/{project-name}/composite-apps/{composite-app-name}/{composite-app-version}/deployment-intent-groups/{deployment-intent-group-name}/intents/{intent-name}", intentHandler.deleteIntentHandler).Methods("DELETE")

	// setting routes for Instantiation
	if instantiationClient == nil {
		instantiationClient = moduleClient.Instantiation
	}

	instantiationHandler := instantiationHandler{
		client: instantiationClient,
	}

	router.HandleFunc("/projects/{project-name}/composite-apps/{composite-app-name}/{composite-app-version}/deployment-intent-groups/{deployment-intent-group-name}/instantiate", instantiationHandler.instantiateHandler).Methods("POST")

	return router
}