// This function is actually called in the end of all tests
// and clears the test environment.
// Mainly it's purpose is to drop the testdb
func (suite *AvProfileTestSuite) TearDownTest() {

	session, _ := mongo.OpenSession(suite.cfg)

	session.DB("AR_test").DropDatabase()

}

// TestListFactors will run unit tests against the List function
func (suite *FactorsTestSuite) TestListFactors() {

	suite.respFactorsList = `<root>
 <Factor site="CETA-GRID" weight="5406"></Factor>
 <Factor site="CFP-IST" weight="1019"></Factor>
 <Factor site="CIEMAT-LCG2" weight="14595"></Factor>
</root>`

	// Prepare the request object
	request, _ := http.NewRequest("GET", "/api/v2/factors", strings.NewReader(""))
	// add the authentication token which is seeded in testdb
	request.Header.Set("x-api-key", "secret")
	request.Header.Set("Accept", "application/xml")
	// Execute the request in the controller
	response := httptest.NewRecorder()
	suite.router.ServeHTTP(response, request)
	code := response.Code
	output := response.Body.String()
	suite.Equal(200, code, "Something went wrong")
	suite.Equal(suite.respFactorsList, string(output), "Response body mismatch")

	// Prepare new request object
	request, _ = http.NewRequest("GET", "/api/v2/factors", strings.NewReader(""))
	// add the authentication token which is seeded in testdb
	request.Header.Set("x-api-key", "wrongkey")
	request.Header.Set("Accept", "application/xml")
	// Execute the request in the controller
	response = httptest.NewRecorder()
	suite.router.ServeHTTP(response, request)
	code = response.Code
	output = response.Body.String()
	suite.Equal(401, code, "Should have gotten return code 401 (Unauthorized)")
	suite.Equal(suite.respUnauthorized, string(output), "Should have gotten reply Unauthorized")

	// Remove the test data from core db not to contaminate other tests
	// Open session to core mongo
	session, err := mongo.OpenSession(suite.cfg.MongoDB)
	if err != nil {
		panic(err)
	}
	defer mongo.CloseSession(session)
	// Open collection authentication
	c := session.DB(suite.cfg.MongoDB.Db).C("authentication")
	// Remove the specific entries inserted during this test
	c.Remove(bson.M{"name": "John Doe"})

	// Remove the test data from tenant db not to contaminate other tests
	// Open session to tenant mongo
	session, err = mgo.Dial(suite.tenantcfg.Host)
	if err != nil {
		panic(err)
	}
	defer mongo.CloseSession(session)
	// Open collection authentication
	c = session.DB(suite.tenantcfg.Db).C("weights")
	// Remove the specific entries inserted during this test
	c.Remove(bson.M{"name": "CIEMAT-LCG2"})
	c.Remove(bson.M{"name": "CFP-IST"})
	c.Remove(bson.M{"name": "CETA-GRID"})
}

// AuthenticateTenant is used to find which tenant the user making the requests
// belongs to and return the database configuration for that specific tenant.
// If the api-key in the request is not found in any tenant an empty configuration is
// returned along with an error
func AuthenticateTenant(h http.Header, cfg config.Config) (config.MongoConfig, error) {

	session, err := mongo.OpenSession(cfg.MongoDB)
	if err != nil {
		return config.MongoConfig{}, err
	}
	defer mongo.CloseSession(session)

	apiKey := h.Get("x-api-key")
	query := bson.M{"users.api_key": apiKey}
	projection := bson.M{"_id": 0, "name": 1, "db_conf": 1, "users": 1}

	var results []map[string][]config.MongoConfig
	mongo.FindAndProject(session, cfg.MongoDB.Db, "tenants", query, projection, "server", &results)

	if len(results) == 0 {
		return config.MongoConfig{}, errors.New("Unauthorized")
	}
	mongoConf := results[0]["db_conf"][0]
	// mongoConf := config.MongoConfig{
	// 	Host:     conf["server"].(string),
	// 	Port:     conf["port"].(int),
	// 	Db:       conf["database"].(string),
	// 	Username: conf["username"].(string),
	// 	Password: conf["password"].(string),
	// 	Store:    conf["store"].(string),
	// }
	for _, user := range results[0]["users"] {
		if user.ApiKey == apiKey {
			mongoConf.User = user.User
			mongoConf.Email = user.Email
		}
	}
	return mongoConf, nil
}

// SetupTest will bootstrap and provide the testing environment
func (suite *FactorsTestSuite) SetupTest() {

	// Connect to mongo coredb
	session, err := mongo.OpenSession(suite.cfg.MongoDB)
	defer mongo.CloseSession(session)
	if err != nil {
		panic(err)
	}

	// Add authentication token to mongo coredb
	seedAuth := bson.M{"name": "TEST",
		"db_conf": []bson.M{bson.M{"server": "127.0.0.1", "port": 27017, "database": "AR_test"}},
		"users":   []bson.M{bson.M{"name": "Jack Doe", "email": "[email protected]", "api_key": "secret", "roles": []string{"viewer"}}}}
	_ = mongo.Insert(session, suite.cfg.MongoDB.Db, "tenants", seedAuth)

	// Add a few factors in collection
	c := session.DB(suite.tenantcfg.Db).C("weights")
	c.Insert(bson.M{"hepspec": 14595, "name": "CIEMAT-LCG2"})
	c.Insert(bson.M{"hepspec": 1019, "name": "CFP-IST"})
	c.Insert(bson.M{"hepspec": 5406, "name": "CETA-GRID"})

	c = session.DB(suite.cfg.MongoDB.Db).C("roles")
	c.Insert(
		bson.M{
			"resource": "factors.list",
			"roles":    []string{"editor", "viewer"},
		})

}

// This function is actually called in the end of all tests
// and clears the test environment.
// Mainly it's purpose is to drop the testdb
func (suite *metricResultTestSuite) TearDownTest() {

	session, _ := mongo.OpenSession(suite.cfg.MongoDB)

	session.DB("ARGO_test_metric_result").DropDatabase()
	session.DB("ARGO_test_metric_result_egi").DropDatabase()
}

// ListOne handles the listing of one specific profile based on its given id
func ListOne(r *http.Request, cfg config.Config) (int, http.Header, []byte, error) {

	//STANDARD DECLARATIONS START

	code := http.StatusOK
	h := http.Header{}
	output := []byte("")
	err := error(nil)
	charset := "utf-8"

	//STANDARD DECLARATIONS END

	// Set Content-Type response Header value
	contentType := r.Header.Get("Accept")
	h.Set("Content-Type", fmt.Sprintf("%s; charset=%s", contentType, charset))

	vars := mux.Vars(r)

	// Grab Tenant DB configuration from context
	tenantDbConfig := context.Get(r, "tenant_conf").(config.MongoConfig)

	// Open session to tenant database
	session, err := mongo.OpenSession(tenantDbConfig)
	defer mongo.CloseSession(session)

	if err != nil {
		code = http.StatusInternalServerError
		return code, h, output, err
	}

	filter := bson.M{"id": vars["ID"]}

	// Retrieve Results from database
	results := []MongoInterface{}
	err = mongo.Find(session, tenantDbConfig.Db, "metric_profiles", filter, "name", &results)

	if err != nil {
		code = http.StatusInternalServerError
		return code, h, output, err
	}

	// Check if nothing found
	if len(results) < 1 {
		output, _ = respond.MarshalContent(respond.NotFound, contentType, "", " ")
		code = 404
		return code, h, output, err
	}

	// Create view of the results
	output, err = createListView(results, "Success", code) //Render the results into JSON

	if err != nil {
		code = http.StatusInternalServerError
		return code, h, output, err
	}

	h.Set("Content-Type", fmt.Sprintf("%s; charset=%s", contentType, charset))
	return code, h, output, err
}

// This function is actually called in the end of all tests
// and clears the test environment.
// Mainly it's purpose is to drop the testdb
func (suite *StatusMetricsTestSuite) TearDownTest() {

	session, _ := mongo.OpenSession(suite.cfg.MongoDB)

	session.DB("argotest_metrics").DropDatabase()
	session.DB("argotest_metrics_tenant2").DropDatabase()
	session.DB("argotest_metrics_egi").DropDatabase()
}

// This function is actually called in the end of all tests
// and clears the test environment.
// Mainly it's purpose is to drop the testdb
func (suite *StatusEndpointGroupsTestSuite) TearDownTest() {

	session, _ := mongo.OpenSession(suite.cfg.MongoDB)

	session.DB("argotest_egroups").DropDatabase()
	session.DB("argotest_egroups_eudat").DropDatabase()
	session.DB("argotest_egroups_egi").DropDatabase()
}

// This function is actually called in the end of all tests
// and clears the test environment.
// Mainly it's purpose is to drop the testdb
func (suite *StatusServicesTestSuite) TearDownTest() {

	session, _ := mongo.OpenSession(suite.cfg.MongoDB)

	session.DB("argotest_services").DropDatabase()
	session.DB("argotest_services_eudat").DropDatabase()
	session.DB("argotest_services_egi").DropDatabase()
}

// ListOne function that implements the http GET request that retrieves
// all avaiable report information
func ListOne(r *http.Request, cfg config.Config) (int, http.Header, []byte, error) {

	//STANDARD DECLARATIONS START
	code := http.StatusOK
	h := http.Header{}
	output := []byte("")
	err := error(nil)
	charset := "utf-8"
	//STANDARD DECLARATIONS END

	// Set Content-Type response Header value
	contentType := r.Header.Get("Accept")
	h.Set("Content-Type", fmt.Sprintf("%s; charset=%s", contentType, charset))

	// Grab Tenant DB configuration from context
	tenantDbConfig := context.Get(r, "tenant_conf").(config.MongoConfig)

	//Extracting urlvar "name" from url path

	id := mux.Vars(r)["id"]
	// Try to open the mongo session
	session, err := mongo.OpenSession(tenantDbConfig)
	defer session.Close()

	if err != nil {
		code = http.StatusInternalServerError
		return code, h, output, err
	}

	// Create structure for storing query results
	result := MongoInterface{}
	// Create a simple query object to query by name
	query := bson.M{"id": id}
	// Query collection tenants for the specific tenant name
	err = mongo.FindOne(session, tenantDbConfig.Db, reportsColl, query, &result)

	// If query returned zero result then no tenant matched this name,
	// abort and notify user accordingly
	if err != nil {
		code = http.StatusNotFound
		output, _ := ReportNotFound(contentType)
		h.Set("Content-Type", fmt.Sprintf("%s; charset=%s", contentType, charset))
		return code, h, output, err
	}

	// After successfully retrieving the db results
	// call the createView function to render them into idented xml
	output, err = createView([]MongoInterface{result}, contentType)

	if err != nil {
		code = http.StatusInternalServerError
		return code, h, output, err
	}

	code = http.StatusOK
	h.Set("Content-Type", fmt.Sprintf("%s; charset=%s", contentType, charset))
	return code, h, output, err
}

// List the existing metric profiles for the tenant making the request
// Also there is an optional url param "name" to filter results by
func List(r *http.Request, cfg config.Config) (int, http.Header, []byte, error) {

	//STANDARD DECLARATIONS START

	code := http.StatusOK
	h := http.Header{}
	output := []byte("")
	err := error(nil)
	charset := "utf-8"

	//STANDARD DECLARATIONS END

	// Set Content-Type response Header value
	contentType := r.Header.Get("Accept")
	h.Set("Content-Type", fmt.Sprintf("%s; charset=%s", contentType, charset))

	urlValues := r.URL.Query()

	// Grab Tenant DB configuration from context
	tenantDbConfig := context.Get(r, "tenant_conf").(config.MongoConfig)

	// Open session to tenant database
	session, err := mongo.OpenSession(tenantDbConfig)
	defer mongo.CloseSession(session)

	if err != nil {
		code = http.StatusInternalServerError
		return code, h, output, err
	}

	// Retrieve Results from database

	var filter interface{}
	if len(urlValues["name"]) > 0 {
		filter = bson.M{"name": urlValues["name"][0]}
	} else {
		filter = nil
	}

	results := []MongoInterface{}
	err = mongo.Find(session, tenantDbConfig.Db, "metric_profiles", filter, "name", &results)

	if err != nil {
		code = http.StatusInternalServerError
		return code, h, output, err
	}

	// Create view of the results
	output, err = createListView(results, "Success", code) //Render the results into JSON

	if err != nil {
		code = http.StatusInternalServerError
		return code, h, output, err
	}

	h.Set("Content-Type", fmt.Sprintf("%s; charset=%s", contentType, charset))
	return code, h, output, err
}

// List existing recomputations
func List(r *http.Request, cfg config.Config) (int, http.Header, []byte, error) {
	//STANDARD DECLARATIONS START
	code := http.StatusOK
	h := http.Header{}
	output := []byte("")
	err := error(nil)
	// contentType := "application/json"
	charset := "utf-8"
	//STANDARD DECLARATIONS END

	urlValues := r.URL.Query()
	contentType := r.Header.Get("Accept")

	contentType, err = respond.ParseAcceptHeader(r)
	h.Set("Content-Type", fmt.Sprintf("%s; charset=%s", contentType, charset))

	if err != nil {
		code = http.StatusNotAcceptable
		output, _ = respond.MarshalContent(respond.NotAcceptableContentType, contentType, "", " ")
		return code, h, output, err
	}

	tenantDbConfig, err := authentication.AuthenticateTenant(r.Header, cfg)

	if err != nil {
		output, _ = respond.MarshalContent(respond.UnauthorizedMessage, contentType, "", " ")
		code = http.StatusUnauthorized //If wrong api key is passed we return UNAUTHORIZED http status
		return code, h, output, err
	}

	filter := IncomingRecomputation{
		StartTime: urlValues.Get("start_time"),
		EndTime:   urlValues.Get("end_time"),
		Reason:    urlValues.Get("reason"),
		Report:    urlValues.Get("report"),
	}

	session, err := mongo.OpenSession(tenantDbConfig)

	if err != nil {
		code = http.StatusInternalServerError
		return code, h, output, err
	}

	results := []MongoInterface{}
	err = mongo.Find(session, tenantDbConfig.Db, recomputationsColl, filter, "timestamp", &results)

	if err != nil {
		code = http.StatusInternalServerError
		return code, h, output, err
	}

	output, err = createListView(results, contentType)

	return code, h, output, err

}

// List returns a list of factors (weights) per endpoint group (i.e. site)
func List(r *http.Request, cfg config.Config) (int, http.Header, []byte, error) {

	//STANDARD DECLARATIONS START

	code := http.StatusOK
	h := http.Header{}
	output := []byte("")
	err := error(nil)
	contentType := "text/xml"
	charset := "utf-8"

	//STANDARD DECLARATIONS END

	contentType, err = respond.ParseAcceptHeader(r)
	h.Set("Content-Type", fmt.Sprintf("%s; charset=%s", contentType, charset))

	if err != nil {
		code = http.StatusNotAcceptable
		output, _ = respond.MarshalContent(respond.NotAcceptableContentType, contentType, "", " ")
		return code, h, output, err
	}

	tenantDbConfig, err := authentication.AuthenticateTenant(r.Header, cfg)

	if err != nil {
		output = []byte(http.StatusText(http.StatusUnauthorized))
		code = http.StatusUnauthorized //If wrong api key is passed we return UNAUTHORIZED http status
		h.Set("Content-Type", fmt.Sprintf("%s; charset=%s", contentType, charset))
		return code, h, output, err
	}

	session, err := mongo.OpenSession(tenantDbConfig)

	if err != nil {
		code = http.StatusInternalServerError
		return code, h, output, err
	}
	defer mongo.CloseSession(session)

	results := []FactorsOutput{}
	err = mongo.Find(session, tenantDbConfig.Db, "weights", nil, "name", &results)

	if err != nil {
		code = http.StatusInternalServerError
		return code, h, output, err
	}

	output, err = createView(results, contentType) //Render the results into XML format

	if err != nil {
		code = http.StatusInternalServerError
		return code, h, output, err
	}

	mongo.CloseSession(session)
	return code, h, output, err
}

func routeGroup(r *http.Request, cfg config.Config) (int, http.Header, []byte, error) {

	//STANDARD DECLARATIONS START
	code := http.StatusOK
	h := http.Header{}
	output := []byte("")
	err := error(nil)
	charset := "utf-8"
	//STANDARD DECLARATIONS END

	// Handle response format based on Accept Header
	contentType := r.Header.Get("Accept")

	vars := mux.Vars(r)
	// Grab Tenant DB configuration from context
	tenantcfg := context.Get(r, "tenant_conf").(config.MongoConfig)

	session, err := mongo.OpenSession(tenantcfg)
	defer mongo.CloseSession(session)

	if err != nil {
		return code, h, output, err
	}

	requestedReport := reports.MongoInterface{}
	err = mongo.FindOne(session, tenantcfg.Db, "reports", bson.M{"info.name": vars["report_name"]}, &requestedReport)

	if err != nil {
		code = http.StatusNotFound
		message := "The report with the name " + vars["report_name"] + " does not exist"
		output, err := createErrorMessage(message, code, contentType) //Render the response into XML or JSON
		h.Set("Content-Type", fmt.Sprintf("%s; charset=%s", contentType, charset))
		return code, h, output, err
	}

	selectedGroupType := requestedReport.DetermineGroupType(vars["group_type"])

	if selectedGroupType == "endpoint" {
		if vars["lgroup_type"] == "" {
			vars["lgroup_type"] = vars["group_type"]
			vars["lgroup_name"] = vars["group_name"]
			vars["group_type"] = ""
			vars["group_name"] = ""
		}
		return ListEndpointGroupResults(r, cfg)
	} else if selectedGroupType == "group" {
		return ListSuperGroupResults(r, cfg)
	}

	code = http.StatusNotFound
	message := "The report " + vars["report_name"] + " does not define any group type: " + vars["group_type"]
	output, err = createErrorMessage(message, code, contentType) //Render the response into XML or JSON
	h.Set("Content-Type", fmt.Sprintf("%s; charset=%s", contentType, charset))
	return code, h, output, err

}

// List function that implements the http GET request that retrieves
// all avaiable report information
func List(r *http.Request, cfg config.Config) (int, http.Header, []byte, error) {

	//STANDARD DECLARATIONS START
	code := http.StatusOK
	h := http.Header{}
	output := []byte("")
	err := error(nil)
	charset := "utf-8"
	//STANDARD DECLARATIONS END

	urlValues := r.URL.Query()

	// Set Content-Type response Header value
	contentType := r.Header.Get("Accept")
	h.Set("Content-Type", fmt.Sprintf("%s; charset=%s", contentType, charset))

	// Grab Tenant DB configuration from context
	tenantDbConfig := context.Get(r, "tenant_conf").(config.MongoConfig)

	// Try to open the mongo session
	session, err := mongo.OpenSession(cfg.MongoDB)
	defer session.Close()

	if err != nil {
		code = http.StatusInternalServerError
		return code, h, output, err
	}

	query := bson.M{}

	if urlValues.Get("name") != "" {
		query["info.name"] = urlValues["name"]
	}

	// Create structure for storing query results
	results := []MongoInterface{}
	// Query tenant collection for all available documents.
	// nil query param == match everything
	err = mongo.Find(session, tenantDbConfig.Db, reportsColl, nil, "id", &results)
	if err != nil {
		code = http.StatusInternalServerError
		return code, h, output, err
	}

	// After successfully retrieving the db results
	// call the createView function to render them into idented xml
	output, err = createView(results, contentType)

	if err != nil {
		code = http.StatusInternalServerError
		return code, h, output, err
	}

	h.Set("Content-Type", fmt.Sprintf("%s; charset=%s", contentType, charset))
	return code, h, output, err
}

func List(r *http.Request, cfg config.Config) (int, http.Header, []byte, error) {

	//STANDARD DECLARATIONS START

	code := http.StatusOK
	h := http.Header{}
	output := []byte("")
	err := error(nil)
	contentType := "text/xml"
	charset := "utf-8"

	//STANDARD DECLARATIONS END

	//Read the search values
	urlValues := r.URL.Query()

	//Searchig is based on name and namespace
	input := AvailabilityProfileSearch{
		urlValues["name"],
		urlValues["namespace"],
	}

	results := []AvailabilityProfileOutput{}
	session, err := mongo.OpenSession(cfg)

	if err != nil {
		code = http.StatusInternalServerError
		return code, h, output, err
	}

	query := readOne(input)

	if len(input.Name) == 0 {
		query = nil //If no name and namespace is provided then we have to retrieve all profiles thus we send nil into db query
	}

	err = mongo.Find(session, cfg.MongoDB.Db, "aps", query, "_id", &results)

	if err != nil {
		code = http.StatusInternalServerError
		return code, h, output, err
	}

	mongo.CloseSession(session)

	output, err = createView(results) //Render the results into XML format

	if err != nil {
		code = http.StatusInternalServerError
		return code, h, output, err
	}

	h.Set("Content-Type", fmt.Sprintf("%s; charset=%s", contentType, charset))
	return code, h, output, err
}

//Create a new metric profile
func Create(r *http.Request, cfg config.Config) (int, http.Header, []byte, error) {
	//STANDARD DECLARATIONS START
	code := http.StatusOK
	h := http.Header{}
	output := []byte("")
	err := error(nil)
	charset := "utf-8"
	//STANDARD DECLARATIONS END

	// Set Content-Type response Header value
	contentType := r.Header.Get("Accept")
	h.Set("Content-Type", fmt.Sprintf("%s; charset=%s", contentType, charset))

	// Grab Tenant DB configuration from context
	tenantDbConfig := context.Get(r, "tenant_conf").(config.MongoConfig)

	session, err := mongo.OpenSession(tenantDbConfig)
	defer mongo.CloseSession(session)
	if err != nil {
		code = http.StatusInternalServerError
		return code, h, output, err
	}

	incoming := MongoInterface{}

	// Try ingest request body
	body, err := ioutil.ReadAll(io.LimitReader(r.Body, cfg.Server.ReqSizeLimit))
	if err != nil {
		panic(err)
	}
	if err := r.Body.Close(); err != nil {
		panic(err)
	}

	// Parse body json
	if err := json.Unmarshal(body, &incoming); err != nil {
		output, _ = respond.MarshalContent(respond.BadRequestBadJSON, contentType, "", " ")
		code = 400
		return code, h, output, err
	}

	// Generate new id
	incoming.ID = mongo.NewUUID()
	err = mongo.Insert(session, tenantDbConfig.Db, "metric_profiles", incoming)

	if err != nil {
		panic(err)
	}

	// Create view of the results
	output, err = createRefView(incoming, "Metric Profile successfully created", 201, r) //Render the results into JSON
	code = 201
	return code, h, output, err
}

// List returns a list of factors (weights) per endpoint group (i.e. site)
func List(r *http.Request, cfg config.Config) (int, http.Header, []byte, error) {

	//STANDARD DECLARATIONS START

	code := http.StatusOK
	h := http.Header{}
	output := []byte("")
	err := error(nil)
	contentType := "text/xml"
	charset := "utf-8"

	//STANDARD DECLARATIONS END

	contentType, err = respond.ParseAcceptHeader(r)
	h.Set("Content-Type", fmt.Sprintf("%s; charset=%s", contentType, charset))

	if err != nil {
		code = http.StatusNotAcceptable
		output, _ = respond.MarshalContent(respond.NotAcceptableContentType, contentType, "", " ")
		return code, h, output, err
	}

	// Grab Tenant DB configuration from context
	tenantDbConfig := context.Get(r, "tenant_conf").(config.MongoConfig)

	session, err := mongo.OpenSession(tenantDbConfig)

	if err != nil {
		code = http.StatusInternalServerError
		return code, h, output, err
	}
	defer mongo.CloseSession(session)

	results := []FactorsOutput{}
	err = mongo.Find(session, tenantDbConfig.Db, "weights", nil, "name", &results)

	if err != nil {
		code = http.StatusInternalServerError
		return code, h, output, err
	}

	output, err = createView(results, contentType) //Render the results into XML format

	if err != nil {
		code = http.StatusInternalServerError
		return code, h, output, err
	}

	mongo.CloseSession(session)
	return code, h, output, err
}

// GetMetricResult returns the detailed message from a probe
func GetMetricResult(r *http.Request, cfg config.Config) (int, http.Header, []byte, error) {

	//STANDARD DECLARATIONS START
	code := http.StatusOK
	h := http.Header{}
	output := []byte("")
	err := error(nil)
	charset := "utf-8"
	//STANDARD DECLARATIONS END

	// Set Content-Type response Header value
	contentType := r.Header.Get("Accept")
	h.Set("Content-Type", fmt.Sprintf("%s; charset=%s", contentType, charset))

	// Grab Tenant DB configuration from context
	tenantDbConfig := context.Get(r, "tenant_conf").(config.MongoConfig)

	// Parse the request into the input
	urlValues := r.URL.Query()
	vars := mux.Vars(r)

	input := metricResultQuery{
		EndpointName: vars["endpoint_name"],
		MetricName:   vars["metric_name"],
		ExecTime:     urlValues.Get("exec_time"),
	}

	session, err := mongo.OpenSession(tenantDbConfig)
	defer mongo.CloseSession(session)

	if err != nil {
		code = http.StatusInternalServerError
		return code, h, output, err
	}

	result := metricResultOutput{}

	metricCol := session.DB(tenantDbConfig.Db).C("status_metrics")

	// Query the detailed metric results
	err = metricCol.Find(prepQuery(input)).One(&result)

	output, err = createMetricResultView(result, contentType)

	if err != nil {
		code = http.StatusInternalServerError
		return code, h, output, err
	}

	return code, h, output, err
}

func routeCheckGroup(r *http.Request, cfg config.Config) (int, http.Header, []byte, error) {

	//STANDARD DECLARATIONS START
	code := http.StatusOK
	h := http.Header{}
	output := []byte("group check")
	err := error(nil)
	contentType := "application/xml"
	charset := "utf-8"
	//STANDARD DECLARATIONS END

	// Handle response format based on Accept Header
	// Default is application/xml
	format := r.Header.Get("Accept")
	if strings.EqualFold(format, "application/json") {
		contentType = "application/json"
	}

	vars := mux.Vars(r)
	tenantcfg, err := authentication.AuthenticateTenant(r.Header, cfg)
	if err != nil {
		return code, h, output, err
	}

	session, err := mongo.OpenSession(tenantcfg)
	defer mongo.CloseSession(session)
	if err != nil {
		return code, h, output, err
	}
	result := reports.MongoInterface{}
	err = mongo.FindOne(session, tenantcfg.Db, "reports", bson.M{"info.name": vars["report_name"]}, &result)

	if err != nil {
		message := "The report with the name " + vars["report_name"] + " does not exist"
		output, err := createMessageOUT(message, format) //Render the response into XML or JSON
		h.Set("Content-Type", fmt.Sprintf("%s; charset=%s", contentType, charset))
		return code, h, output, err
	}

	if vars["group_type"] != result.GetEndpointGroupType() {
		message := "The report " + vars["report_name"] + " does not define endpoint group type: " + vars["group_type"]
		output, err := createMessageOUT(message, format) //Render the response into XML or JSON
		h.Set("Content-Type", fmt.Sprintf("%s; charset=%s", contentType, charset))
		return code, h, output, err
	}

	return ListEndpointTimelines(r, cfg)

}