// +build integration

/*
Real-time Online/Offline Charging System (OCS) for Telecom & ISP environments
Copyright (C) ITsysCOM GmbH

This program is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.

This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
GNU General Public License for more details.

You should have received a copy of the GNU General Public License
along with this program.  If not, see <http://www.gnu.org/licenses/>
*/

package general_tests

import (
	"net/rpc"
	"net/rpc/jsonrpc"
	"path"
	"reflect"
	"testing"
	"time"

	"github.com/cgrates/cgrates/config"
	"github.com/cgrates/cgrates/engine"
	"github.com/cgrates/cgrates/utils"
)

var (
	splSv1CfgPath string
	splSv1Cfg     *config.CGRConfig
	splSv1Rpc     *rpc.Client
	splPrf        *engine.SupplierProfile
	splSv1ConfDIR string //run tests for specific configuration
)

var sTestsSupplierSV1 = []func(t *testing.T){
	testV1SplSLoadConfig,
	testV1SplSInitDataDb,
	testV1SplSResetStorDb,
	testV1SplSStartEngine,
	testV1SplSRpcConn,
	testV1SplSFromFolder,
	testV1SplSSetSupplierProfilesWithoutRatingPlanIDs,
	//tests for *reas sorting strategy
	testV1SplSAddNewSplPrf,
	testV1SplSAddNewResPrf,
	testV1SplSPopulateResUsage,
	testV1SplSGetSortedSuppliers,
	//tests for *reds sorting strategy
	testV1SplSAddNewSplPrf2,
	testV1SplSGetSortedSuppliers2,
	testV1SplSStopEngine,
}

// Test start here
func TestSuplSV1ITMySQL(t *testing.T) {
	splSv1ConfDIR = "tutmysql"
	for _, stest := range sTestsSupplierSV1 {
		t.Run(splSv1ConfDIR, stest)
	}
}

func TestSuplSV1ITMongo(t *testing.T) {
	splSv1ConfDIR = "tutmongo"
	for _, stest := range sTestsSupplierSV1 {
		t.Run(splSv1ConfDIR, stest)
	}
}

func testV1SplSLoadConfig(t *testing.T) {
	var err error
	splSv1CfgPath = path.Join(*dataDir, "conf", "samples", splSv1ConfDIR)
	if splSv1Cfg, err = config.NewCGRConfigFromPath(splSv1CfgPath); err != nil {
		t.Error(err)
	}
}

func testV1SplSInitDataDb(t *testing.T) {
	if err := engine.InitDataDb(splSv1Cfg); err != nil {
		t.Fatal(err)
	}
}

// Wipe out the cdr database
func testV1SplSResetStorDb(t *testing.T) {
	if err := engine.InitStorDb(splSv1Cfg); err != nil {
		t.Fatal(err)
	}
}

func testV1SplSStartEngine(t *testing.T) {
	if _, err := engine.StopStartEngine(splSv1CfgPath, *waitRater); err != nil {
		t.Fatal(err)
	}
}

func testV1SplSRpcConn(t *testing.T) {
	var err error
	splSv1Rpc, err = jsonrpc.Dial("tcp", splSv1Cfg.ListenCfg().RPCJSONListen) // We connect over JSON so we can also troubleshoot if needed
	if err != nil {
		t.Fatal("Could not connect to rater: ", err.Error())
	}
}

func testV1SplSFromFolder(t *testing.T) {
	var reply string
	attrs := &utils.AttrLoadTpFromFolder{FolderPath: path.Join(*dataDir, "tariffplans", "testit")}
	if err := splSv1Rpc.Call("ApierV1.LoadTariffPlanFromFolder", attrs, &reply); err != nil {
		t.Error(err)
	}
	time.Sleep(100 * time.Millisecond)
}

func testV1SplSSetSupplierProfilesWithoutRatingPlanIDs(t *testing.T) {
	var reply *engine.SupplierProfile
	if err := splSv1Rpc.Call("ApierV1.GetSupplierProfile",
		&utils.TenantID{Tenant: "cgrates.org", ID: "TEST_PROFILE2"}, &reply); err == nil ||
		err.Error() != utils.ErrNotFound.Error() {
		t.Error(err)
	}
	splPrf = &engine.SupplierProfile{
		Tenant:  "cgrates.org",
		ID:      "TEST_PROFILE2",
		Sorting: utils.MetaLC,
		Suppliers: []*engine.Supplier{
			{
				ID:         "SPL1",
				FilterIDs:  []string{"FLTR_1"},
				AccountIDs: []string{"accc"},
				Weight:     20,
				Blocker:    false,
			},
		},
		Weight: 10,
	}
	var result string
	if err := splSv1Rpc.Call("ApierV1.SetSupplierProfile", splPrf, &result); err != nil {
		t.Error(err)
	} else if result != utils.OK {
		t.Error("Unexpected reply returned", result)
	}
	if err := splSv1Rpc.Call("ApierV1.GetSupplierProfile",
		&utils.TenantID{Tenant: "cgrates.org", ID: "TEST_PROFILE2"}, &reply); err != nil {
		t.Error(err)
	} else if !reflect.DeepEqual(splPrf, reply) {
		t.Errorf("Expecting: %+v, received: %+v", splPrf, reply)
	}
	ev := &engine.ArgsGetSuppliers{
		CGREvent: &utils.CGREvent{
			Tenant: "cgrates.org",
			ID:     "testV1SplSGetLeastCostSuppliers",
			Event: map[string]interface{}{
				utils.Account:     "accc",
				utils.Subject:     "1003",
				utils.Destination: "1002",
				utils.SetupTime:   time.Date(2017, 12, 1, 14, 25, 0, 0, time.UTC),
				utils.Usage:       "1m20s",
			},
		},
	}
	var suplsReply engine.SortedSuppliers
	if err := splSv1Rpc.Call(utils.SupplierSv1GetSuppliers,
		ev, &suplsReply); err.Error() != utils.NewErrServerError(utils.NewErrMandatoryIeMissing("RatingPlanIDs")).Error() {
		t.Errorf("Expected error MANDATORY_IE_MISSING: [RatingPlanIDs] recieved:%v\n", err)
	}
	if err := splSv1Rpc.Call("ApierV1.RemoveSupplierProfile", utils.TenantID{
		Tenant: splPrf.Tenant,
		ID:     splPrf.ID,
	}, &result); err != nil {
		t.Error(err)
	} else if result != utils.OK {
		t.Error("Unexpected reply returned", result)
	}
}

func testV1SplSAddNewSplPrf(t *testing.T) {
	var reply *engine.SupplierProfile
	if err := splSv1Rpc.Call("ApierV1.GetSupplierProfile",
		&utils.TenantID{Tenant: "cgrates.org", ID: "SPL_ResourceTest"}, &reply); err == nil ||
		err.Error() != utils.ErrNotFound.Error() {
		t.Error(err)
	}
	//create a new Supplier Profile to test *reas and *reds sorting strategy
	splPrf = &engine.SupplierProfile{
		Tenant:    "cgrates.org",
		ID:        "SPL_ResourceTest",
		Sorting:   utils.MetaReas,
		FilterIDs: []string{"*string:~CustomField:ResourceTest"},
		Suppliers: []*engine.Supplier{
			//supplier1 will have ResourceUsage = 11
			{
				ID:          "supplier1",
				ResourceIDs: []string{"ResourceSupplier1", "Resource2Supplier1"},
				Weight:      20,
				Blocker:     false,
			},
			//supplier2 and supplier3 will have the same ResourceUsage = 7
			{
				ID:          "supplier2",
				ResourceIDs: []string{"ResourceSupplier2"},
				Weight:      20,
				Blocker:     false,
			},
			{
				ID:          "supplier3",
				ResourceIDs: []string{"ResourceSupplier3"},
				Weight:      35,
				Blocker:     false,
			},
		},
		Weight: 10,
	}
	var result string
	if err := splSv1Rpc.Call("ApierV1.SetSupplierProfile", splPrf, &result); err != nil {
		t.Error(err)
	} else if result != utils.OK {
		t.Error("Unexpected reply returned", result)
	}
	if err := splSv1Rpc.Call("ApierV1.GetSupplierProfile",
		&utils.TenantID{Tenant: "cgrates.org", ID: "SPL_ResourceTest"}, &reply); err != nil {
		t.Error(err)
	} else if !reflect.DeepEqual(splPrf, reply) {
		t.Errorf("Expecting: %+v, received: %+v", splPrf, reply)
	}
}

func testV1SplSAddNewResPrf(t *testing.T) {
	var result string
	//add ResourceSupplier1
	rPrf := &engine.ResourceProfile{
		Tenant:    "cgrates.org",
		ID:        "ResourceSupplier1",
		FilterIDs: []string{"*string:~Supplier:supplier1", "*string:~ResID:ResourceSupplier1"},
		ActivationInterval: &utils.ActivationInterval{
			ActivationTime: time.Date(2014, 7, 14, 14, 25, 0, 0, time.UTC),
			ExpiryTime:     time.Date(2014, 7, 14, 14, 25, 0, 0, time.UTC),
		},
		UsageTTL:     time.Duration(1) * time.Minute,
		Limit:        10,
		Stored:       true,
		Weight:       20,
		ThresholdIDs: []string{utils.META_NONE},
	}

	if err := splSv1Rpc.Call("ApierV1.SetResourceProfile", rPrf, &result); err != nil {
		t.Error(err)
	} else if result != utils.OK {
		t.Error("Unexpected reply returned", result)
	}
	//add Resource2Supplier1
	rPrf2 := &engine.ResourceProfile{
		Tenant:    "cgrates.org",
		ID:        "Resource2Supplier1",
		FilterIDs: []string{"*string:~Supplier:supplier1", "*string:~ResID:Resource2Supplier1"},
		ActivationInterval: &utils.ActivationInterval{
			ActivationTime: time.Date(2014, 7, 14, 14, 25, 0, 0, time.UTC),
			ExpiryTime:     time.Date(2014, 7, 14, 14, 25, 0, 0, time.UTC),
		},
		UsageTTL:     time.Duration(1) * time.Minute,
		Limit:        10,
		Stored:       true,
		Weight:       30,
		ThresholdIDs: []string{utils.META_NONE},
	}

	if err := splSv1Rpc.Call("ApierV1.SetResourceProfile", rPrf2, &result); err != nil {
		t.Error(err)
	} else if result != utils.OK {
		t.Error("Unexpected reply returned", result)
	}
	//add ResourceSupplier2
	rPrf3 := &engine.ResourceProfile{
		Tenant:    "cgrates.org",
		ID:        "ResourceSupplier2",
		FilterIDs: []string{"*string:~Supplier:supplier2", "*string:~ResID:ResourceSupplier2"},
		ActivationInterval: &utils.ActivationInterval{
			ActivationTime: time.Date(2014, 7, 14, 14, 25, 0, 0, time.UTC),
			ExpiryTime:     time.Date(2014, 7, 14, 14, 25, 0, 0, time.UTC),
		},
		UsageTTL:     time.Duration(1) * time.Minute,
		Limit:        10,
		Stored:       true,
		Weight:       20,
		ThresholdIDs: []string{utils.META_NONE},
	}

	if err := splSv1Rpc.Call("ApierV1.SetResourceProfile", rPrf3, &result); err != nil {
		t.Error(err)
	} else if result != utils.OK {
		t.Error("Unexpected reply returned", result)
	}
	//add ResourceSupplier2
	rPrf4 := &engine.ResourceProfile{
		Tenant:    "cgrates.org",
		ID:        "ResourceSupplier3",
		FilterIDs: []string{"*string:~Supplier:supplier3", "*string:~ResID:ResourceSupplier3"},
		ActivationInterval: &utils.ActivationInterval{
			ActivationTime: time.Date(2014, 7, 14, 14, 25, 0, 0, time.UTC),
			ExpiryTime:     time.Date(2014, 7, 14, 14, 25, 0, 0, time.UTC),
		},
		UsageTTL:     time.Duration(1) * time.Minute,
		Limit:        10,
		Stored:       true,
		Weight:       20,
		ThresholdIDs: []string{utils.META_NONE},
	}

	if err := splSv1Rpc.Call("ApierV1.SetResourceProfile", rPrf4, &result); err != nil {
		t.Error(err)
	} else if result != utils.OK {
		t.Error("Unexpected reply returned", result)
	}
}

func testV1SplSPopulateResUsage(t *testing.T) {
	var reply string
	argsRU := utils.ArgRSv1ResourceUsage{
		UsageID: "RandomID",
		CGREvent: &utils.CGREvent{
			Tenant: "cgrates.org",
			ID:     "Event1",
			Event: map[string]interface{}{
				"Account":  "1002",
				"Supplier": "supplier1",
				"ResID":    "ResourceSupplier1",
			},
		},
		Units: 4,
	}
	if err := splSv1Rpc.Call(utils.ResourceSv1AllocateResources,
		argsRU, &reply); err != nil {
		t.Error(err)
	}
	eAllocationMsg := "ResourceSupplier1"
	if reply != eAllocationMsg {
		t.Errorf("Expecting: %+v, received: %+v", eAllocationMsg, reply)
	}

	argsRU = utils.ArgRSv1ResourceUsage{
		UsageID: "RandomID2",

		CGREvent: &utils.CGREvent{
			Tenant: "cgrates.org",
			ID:     "Event2",
			Event: map[string]interface{}{
				"Account":  "1002",
				"Supplier": "supplier1",
				"ResID":    "Resource2Supplier1",
			},
		},
		Units: 7,
	}
	if err := splSv1Rpc.Call(utils.ResourceSv1AllocateResources,
		argsRU, &reply); err != nil {
		t.Error(err)
	}
	eAllocationMsg = "Resource2Supplier1"
	if reply != eAllocationMsg {
		t.Errorf("Expecting: %+v, received: %+v", eAllocationMsg, reply)
	}

	argsRU = utils.ArgRSv1ResourceUsage{
		UsageID: "RandomID3",
		CGREvent: &utils.CGREvent{
			Tenant: "cgrates.org",
			ID:     "Event3",
			Event: map[string]interface{}{
				"Account":  "1002",
				"Supplier": "supplier2",
				"ResID":    "ResourceSupplier2",
			},
		},
		Units: 7,
	}
	if err := splSv1Rpc.Call(utils.ResourceSv1AllocateResources,
		argsRU, &reply); err != nil {
		t.Error(err)
	}
	eAllocationMsg = "ResourceSupplier2"
	if reply != eAllocationMsg {
		t.Errorf("Expecting: %+v, received: %+v", eAllocationMsg, reply)
	}

	argsRU = utils.ArgRSv1ResourceUsage{
		UsageID: "RandomID4",
		CGREvent: &utils.CGREvent{
			Tenant: "cgrates.org",
			ID:     "Event4",
			Event: map[string]interface{}{
				"Account":  "1002",
				"Supplier": "supplier3",
				"ResID":    "ResourceSupplier3",
			},
		},
		Units: 7,
	}
	if err := splSv1Rpc.Call(utils.ResourceSv1AllocateResources,
		argsRU, &reply); err != nil {
		t.Error(err)
	}
	eAllocationMsg = "ResourceSupplier3"
	if reply != eAllocationMsg {
		t.Errorf("Expecting: %+v, received: %+v", eAllocationMsg, reply)
	}

}

func testV1SplSGetSortedSuppliers(t *testing.T) {
	ev := &engine.ArgsGetSuppliers{
		CGREvent: &utils.CGREvent{
			Tenant: "cgrates.org",
			ID:     "testV1SplSGetSortedSuppliers",
			Event: map[string]interface{}{
				"CustomField": "ResourceTest",
			},
		},
	}
	expSupplierIDs := []string{"supplier3", "supplier2", "supplier1"}
	var suplsReply engine.SortedSuppliers
	if err := splSv1Rpc.Call(utils.SupplierSv1GetSuppliers,
		ev, &suplsReply); err != nil {
		t.Error(err)
	} else {
		rcvSupl := make([]string, len(suplsReply.SortedSuppliers))
		for i, supl := range suplsReply.SortedSuppliers {
			rcvSupl[i] = supl.SupplierID
		}
		if suplsReply.ProfileID != "SPL_ResourceTest" {
			t.Errorf("Expecting: SPL_ResourceTest, received: %s",
				suplsReply.ProfileID)
		}
		if !reflect.DeepEqual(rcvSupl, expSupplierIDs) {
			t.Errorf("Expecting: %+v, \n received: %+v",
				expSupplierIDs, utils.ToJSON(suplsReply))
		}
	}
}

func testV1SplSAddNewSplPrf2(t *testing.T) {
	var reply *engine.SupplierProfile
	if err := splSv1Rpc.Call("ApierV1.GetSupplierProfile",
		&utils.TenantID{Tenant: "cgrates.org", ID: "SPL_ResourceDescendent"}, &reply); err == nil ||
		err.Error() != utils.ErrNotFound.Error() {
		t.Error(err)
	}
	//create a new Supplier Profile to test *reas and *reds sorting strategy
	splPrf = &engine.SupplierProfile{
		Tenant:    "cgrates.org",
		ID:        "SPL_ResourceDescendent",
		Sorting:   utils.MetaReds,
		FilterIDs: []string{"*string:~CustomField:ResourceDescendent"},
		Suppliers: []*engine.Supplier{
			//supplier1 will have ResourceUsage = 11
			{
				ID:          "supplier1",
				ResourceIDs: []string{"ResourceSupplier1", "Resource2Supplier1"},
				Weight:      20,
				Blocker:     false,
			},
			//supplier2 and supplier3 will have the same ResourceUsage = 7
			{
				ID:          "supplier2",
				ResourceIDs: []string{"ResourceSupplier2"},
				Weight:      20,
				Blocker:     false,
			},
			{
				ID:          "supplier3",
				ResourceIDs: []string{"ResourceSupplier3"},
				Weight:      35,
				Blocker:     false,
			},
		},
		Weight: 10,
	}
	var result string
	if err := splSv1Rpc.Call("ApierV1.SetSupplierProfile", splPrf, &result); err != nil {
		t.Error(err)
	} else if result != utils.OK {
		t.Error("Unexpected reply returned", result)
	}
	if err := splSv1Rpc.Call("ApierV1.GetSupplierProfile",
		&utils.TenantID{Tenant: "cgrates.org", ID: "SPL_ResourceDescendent"}, &reply); err != nil {
		t.Error(err)
	} else if !reflect.DeepEqual(splPrf, reply) {
		t.Errorf("Expecting: %+v, received: %+v", splPrf, reply)
	}
}

func testV1SplSGetSortedSuppliers2(t *testing.T) {
	ev := &engine.ArgsGetSuppliers{
		CGREvent: &utils.CGREvent{
			Tenant: "cgrates.org",
			ID:     "testV1SplSGetSortedSuppliers2",
			Event: map[string]interface{}{
				"CustomField": "ResourceDescendent",
			},
		},
	}
	expSupplierIDs := []string{"supplier1", "supplier3", "supplier2"}
	var suplsReply engine.SortedSuppliers
	if err := splSv1Rpc.Call(utils.SupplierSv1GetSuppliers,
		ev, &suplsReply); err != nil {
		t.Error(err)
	} else {
		rcvSupl := make([]string, len(suplsReply.SortedSuppliers))
		for i, supl := range suplsReply.SortedSuppliers {
			rcvSupl[i] = supl.SupplierID
		}
		if suplsReply.ProfileID != "SPL_ResourceDescendent" {
			t.Errorf("Expecting: SPL_ResourceDescendent, received: %s",
				suplsReply.ProfileID)
		}
		if !reflect.DeepEqual(rcvSupl, expSupplierIDs) {
			t.Errorf("Expecting: %+v, \n received: %+v",
				expSupplierIDs, utils.ToJSON(suplsReply))
		}
	}
}

func testV1SplSStopEngine(t *testing.T) {
	if err := engine.KillEngine(100); err != nil {
		t.Error(err)
	}
}