/*
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 Affero 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 Affero General Public License for more details.

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

import (
	"reflect"
	"testing"

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

func TestSharedGroupClone(t *testing.T) {
	//nil check
	var sharedGroup *SharedGroup
	if rcv := sharedGroup.Clone(); rcv != nil {
		t.Errorf("Expecting: nil, received: %+v", utils.ToJSON(rcv))
	}
	//empty check
	sharedGroup = &SharedGroup{}
	eOut := &SharedGroup{}
	if rcv := sharedGroup.Clone(); !reflect.DeepEqual(eOut, rcv) {
		t.Errorf("Expecting: %+v, received: %+v", utils.ToJSON(eOut), utils.ToJSON(rcv))
	}
	//normal check
	sharedGroup = &SharedGroup{
		Id: "testID",
		AccountParameters: map[string]*SharingParameters{
			"string1": {
				Strategy:      "strategyTEST1",
				RatingSubject: "RatingSubjectTEST1",
			},
			"string2": {
				Strategy:      "strategyTEST2",
				RatingSubject: "RatingSubjectTEST2",
			},
		},
		MemberIds: utils.StringMap{
			"string1": true,
			"string2": false,
		},
	}
	eOut = &SharedGroup{
		Id: "testID",
		AccountParameters: map[string]*SharingParameters{
			"string1": {
				Strategy:      "strategyTEST1",
				RatingSubject: "RatingSubjectTEST1",
			},
			"string2": {
				Strategy:      "strategyTEST2",
				RatingSubject: "RatingSubjectTEST2",
			},
		},
		MemberIds: utils.StringMap{
			"string1": true,
			"string2": false,
		},
	}
	rcv := sharedGroup.Clone()
	if !reflect.DeepEqual(eOut, rcv) {
		t.Errorf("Expecting: %+v, received: %+v", utils.ToJSON(eOut), utils.ToJSON(rcv))
	}
	//double check
	rcv.AccountParameters["string1"].Strategy = "updated"
	if sharedGroup.AccountParameters["string1"].Strategy == "updated" {
		t.Errorf("Original SharedGroup was modified")
	}

}

func TestSharingParametersClone(t *testing.T) {
	//nil check
	var sharingParameters *SharingParameters
	if rcv := sharingParameters.Clone(); rcv != nil {
		t.Errorf("Expecting:nil, received: %+v", utils.ToJSON(rcv))
	}
	//empty check
	sharingParameters = &SharingParameters{}
	eOut := &SharingParameters{}
	if rcv := sharingParameters.Clone(); !reflect.DeepEqual(eOut, rcv) {
		t.Errorf("Expecting: %+v, received: %+v", utils.ToJSON(eOut), utils.ToJSON(rcv))
	}
	//normal check
	sharingParameters = &SharingParameters{
		Strategy:      "StrategyTEST",
		RatingSubject: "RatingSubjectTEST",
	}
	eOut = &SharingParameters{
		Strategy:      "StrategyTEST",
		RatingSubject: "RatingSubjectTEST",
	}
	if rcv := sharingParameters.Clone(); !reflect.DeepEqual(eOut, rcv) {
		t.Errorf("Expecting: %+v, received: %+v", utils.ToJSON(eOut), utils.ToJSON(rcv))
	}
}

func TestSharedSetGet(t *testing.T) {
	id := "TEST_SG100"
	sg := &SharedGroup{
		Id: id,
		AccountParameters: map[string]*SharingParameters{
			"test": {Strategy: STRATEGY_HIGHEST},
		},
		MemberIds: utils.NewStringMap("1", "2", "3"),
	}
	err := dm.SetSharedGroup(sg)
	if err != nil {
		t.Error("Error storing Shared groudp: ", err)
	}
	received, err := dm.GetSharedGroup(id, true, utils.NonTransactional)
	if err != nil || received == nil || !reflect.DeepEqual(sg, received) {
		t.Error("Error getting shared group: ", err, received)
	}
	received, err = dm.GetSharedGroup(id, false, utils.NonTransactional)
	if err != nil || received == nil || !reflect.DeepEqual(sg, received) {
		t.Error("Error getting cached shared group: ", err, received)
	}

}

func TestSharedPopBalanceByStrategyLow(t *testing.T) {
	bc := Balances{
		&Balance{Value: 2.0},
		&Balance{Uuid: "uuuu", Value: 1.0, account: &Account{ID: "test"}},
		&Balance{Value: 3.0},
	}
	sg := &SharedGroup{AccountParameters: map[string]*SharingParameters{
		"test": {Strategy: STRATEGY_LOWEST}},
	}
	sbc := sg.SortBalancesByStrategy(bc[1], bc)
	if len(sbc) != 3 ||
		sbc[0].Value != 1.0 ||
		sbc[1].Value != 2.0 {
		t.Error("Error sorting balance chain: ", sbc[0].GetValue())
	}
}

func TestSharedPopBalanceByStrategyHigh(t *testing.T) {
	bc := Balances{
		&Balance{Uuid: "uuuu", Value: 2.0, account: &Account{ID: "test"}},
		&Balance{Value: 1.0},
		&Balance{Value: 3.0},
	}
	sg := &SharedGroup{AccountParameters: map[string]*SharingParameters{
		"test": {Strategy: STRATEGY_HIGHEST}},
	}
	sbc := sg.SortBalancesByStrategy(bc[0], bc)
	if len(sbc) != 3 ||
		sbc[0].Value != 3.0 ||
		sbc[1].Value != 2.0 {
		t.Error("Error sorting balance chain: ", sbc)
	}
}

func TestSharedPopBalanceByStrategyMineHigh(t *testing.T) {
	bc := Balances{
		&Balance{Uuid: "uuuu", Value: 2.0, account: &Account{ID: "test"}},
		&Balance{Value: 1.0},
		&Balance{Value: 3.0},
	}
	sg := &SharedGroup{AccountParameters: map[string]*SharingParameters{
		"test": {Strategy: STRATEGY_MINE_HIGHEST}},
	}
	sbc := sg.SortBalancesByStrategy(bc[0], bc)
	if len(sbc) != 3 ||
		sbc[0].Value != 2.0 ||
		sbc[1].Value != 3.0 {
		t.Error("Error sorting balance chain: ", sbc)
	}
}

func TestSortBalancesByStrategyRandom(t *testing.T) {

	bc := Balances{
		&Balance{Uuid: "uuuu", Value: 2.0, account: &Account{ID: "test"}},
		&Balance{Value: 1.0},
		&Balance{Value: 3.0},
	}
	sg := &SharedGroup{AccountParameters: map[string]*SharingParameters{
		"test": {Strategy: "default"}},
	}

	sbc := sg.SortBalancesByStrategy(bc[0], bc)
	if len(sbc) != 3 {
		t.Error("Error sorting balance chain: ", sbc)
	}

}

/*func TestSharedPopBalanceByStrategyRandomHigh(t *testing.T) {
	bc := Balances{
		&Balance{Uuid: "uuuu", Value: 2.0, account: &Account{Id: "test"}},
		&Balance{Value: 1.0},
		&Balance{Value: 3.0},
	}
	sg := &SharedGroup{AccountParameters: map[string]*SharingParameters{
		"test": &SharingParameters{Strategy: STRATEGY_RANDOM}},
	}
	x := bc[0]
	sbc := sg.SortBalancesByStrategy(bc[0], bc)
	firstTest := (sbc[0].Uuid == x.Uuid)
	sbc = sg.SortBalancesByStrategy(bc[0], bc)
	secondTest := (sbc[0].Uuid == x.Uuid)
	sbc = sg.SortBalancesByStrategy(bc[0], bc)
	thirdTest := (sbc[0].Uuid == x.Uuid)
	sbc = sg.SortBalancesByStrategy(bc[0], bc)
	fourthTest := (sbc[0].Uuid == x.Uuid)
	if firstTest && secondTest && thirdTest && fourthTest {
		t.Error("Something is wrong with balance randomizer")
	}
}*/