//go:build integration
// +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 migrator

import (
	"log"
	"path"
	"reflect"
	"testing"
	"time"

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

var (
	stsPathIn   string
	stsPathOut  string
	stsCfgIn    *config.CGRConfig
	stsCfgOut   *config.CGRConfig
	stsMigrator *Migrator
	stsAction   string
)

var sTestsStsIT = []func(t *testing.T){
	testStsITConnect,
	testStsITFlush,
	// testStsITMigrateAndMove,
	// testStsITMigrateFromv1,
}

func TestStatsQueueITRedis(t *testing.T) {
	var err error
	stsPathIn = path.Join(*dataDir, "conf", "samples", "tutmysql")
	stsCfgIn, err = config.NewCGRConfigFromPath(context.Background(), stsPathIn)
	if err != nil {
		t.Fatal(err)
	}
	stsPathOut = path.Join(*dataDir, "conf", "samples", "tutmysql")
	stsCfgOut, err = config.NewCGRConfigFromPath(context.Background(), stsPathOut)
	if err != nil {
		t.Fatal(err)
	}
	stsAction = utils.Migrate
	for _, stest := range sTestsStsIT {
		t.Run("TestStatsQueueITMigrateRedis", stest)
	}
	stsMigrator.Close()
}

func TestStatsQueueITMongo(t *testing.T) {
	var err error
	stsPathIn = path.Join(*dataDir, "conf", "samples", "tutmongo")
	stsCfgIn, err = config.NewCGRConfigFromPath(context.Background(), stsPathIn)
	if err != nil {
		t.Fatal(err)
	}
	stsPathOut = path.Join(*dataDir, "conf", "samples", "tutmongo")
	stsCfgOut, err = config.NewCGRConfigFromPath(context.Background(), stsPathOut)
	if err != nil {
		t.Fatal(err)
	}
	stsAction = utils.Migrate
	for _, stest := range sTestsStsIT {
		t.Run("TestStatsQueueITMigrateMongo", stest)
	}
	stsMigrator.Close()
}

func TestStatsQueueITMove(t *testing.T) {
	var err error
	stsPathIn = path.Join(*dataDir, "conf", "samples", "tutmongo")
	stsCfgIn, err = config.NewCGRConfigFromPath(context.Background(), stsPathIn)
	if err != nil {
		t.Fatal(err)
	}
	stsPathOut = path.Join(*dataDir, "conf", "samples", "tutmysql")
	stsCfgOut, err = config.NewCGRConfigFromPath(context.Background(), stsPathOut)
	if err != nil {
		t.Fatal(err)
	}
	stsAction = utils.Move
	for _, stest := range sTestsStsIT {
		t.Run("TestStatsQueueITMove", stest)
	}
	stsMigrator.Close()
}

func testStsITConnect(t *testing.T) {
	dataDBIn, err := NewMigratorDataDB(stsCfgIn.DataDbCfg().Type,
		stsCfgIn.DataDbCfg().Host, stsCfgIn.DataDbCfg().Port,
		stsCfgIn.DataDbCfg().Name, stsCfgIn.DataDbCfg().User,
		stsCfgIn.DataDbCfg().Password, stsCfgIn.GeneralCfg().DBDataEncoding,
		config.CgrConfig().CacheCfg(), stsCfgIn.DataDbCfg().Opts, stsCfgIn.DataDbCfg().Items)
	if err != nil {
		log.Fatal(err)
	}
	dataDBOut, err := NewMigratorDataDB(stsCfgOut.DataDbCfg().Type,
		stsCfgOut.DataDbCfg().Host, stsCfgOut.DataDbCfg().Port,
		stsCfgOut.DataDbCfg().Name, stsCfgOut.DataDbCfg().User,
		stsCfgOut.DataDbCfg().Password, stsCfgOut.GeneralCfg().DBDataEncoding,
		config.CgrConfig().CacheCfg(), stsCfgOut.DataDbCfg().Opts, stsCfgOut.DataDbCfg().Items)
	if err != nil {
		log.Fatal(err)
	}
	if stsPathIn == stsPathOut {
		stsMigrator, err = NewMigrator(dataDBIn, dataDBOut,
			false, true)
	} else {
		stsMigrator, err = NewMigrator(dataDBIn, dataDBOut,
			false, false)
	}
	if err != nil {
		log.Fatal(err)
	}
}

func testStsITFlush(t *testing.T) {
	stsMigrator.dmOut.DataManager().DataDB().Flush("")
	if err := engine.SetDBVersions(stsMigrator.dmOut.DataManager().DataDB()); err != nil {
		t.Error("Error  ", err.Error())
	}
}

// func testStsITMigrateAndMove(t *testing.T) {
// 	// tim := time.Date(2012, time.February, 27, 23, 59, 59, 0, time.UTC)
// 	var filters []*engine.FilterRule
// 	v1Sts := &v1Stat{
// 		Id:              "test",      // Config id, unique per config instance
// 		QueueLength:     10,          // Number of items in the stats buffer
// 		TimeWindow:      time.Second, // Will only keep the CDRs who's call setup time is not older than time.Now()-TimeWindow
// 		SaveInterval:    time.Second,
// 		Metrics:         []string{"ASR", "ACD", "ACC"},
// 		SetupInterval:   []time.Time{time.Now()},
// 		ToR:             []string{},
// 		CdrHost:         []string{},
// 		CdrSource:       []string{},
// 		ReqType:         []string{},
// 		Direction:       []string{},
// 		Tenant:          []string{},
// 		Category:        []string{},
// 		Account:         []string{},
// 		Subject:         []string{},
// 		DestinationIds:  []string{},
// 		UsageInterval:   []time.Duration{time.Second},
// 		PddInterval:     []time.Duration{time.Second},
// 		Supplier:        []string{},
// 		DisconnectCause: []string{},
// 		MediationRunIds: []string{},
// 		RatedAccount:    []string{},
// 		RatedSubject:    []string{},
// 		CostInterval:    []float64{},
// 		// Triggers: engine.ActionTriggers{
// 		// 	&engine.ActionTrigger{
// 		// 		ID: "Test",
// 		// 		Balance: &engine.BalanceFilter{
// 		// 			ID:             utils.StringPointer("TESTB"),
// 		// 			ExpirationDate: utils.TimePointer(tim),
// 		// 			Type:           utils.StringPointer(utils.MetaMonetary),
// 		// 		},
// 		// 		ExpirationDate:    tim,
// 		// 		LastExecutionTime: tim,
// 		// 		ActivationDate:    tim,
// 		// 		ThresholdType:     utils.TriggerMaxBalance,
// 		// 		ThresholdValue:    2,
// 		// 		ActionsID:         "TEST_ACTIONS",
// 		// 		Executed:          true,
// 		// 	},
// 		// },
// 	}
// 	x, _ := engine.NewFilterRule(utils.MetaGreaterOrEqual,
// 		"SetupInterval", []string{v1Sts.SetupInterval[0].String()})
// 	filters = append(filters, x)
// 	x, _ = engine.NewFilterRule(utils.MetaGreaterOrEqual,
// 		"UsageInterval", []string{v1Sts.UsageInterval[0].String()})
// 	filters = append(filters, x)
// 	x, _ = engine.NewFilterRule(utils.MetaGreaterOrEqual,
// 		"PddInterval", []string{v1Sts.PddInterval[0].String()})
// 	filters = append(filters, x)

// 	filter := &engine.Filter{
// 		Tenant: config.CgrConfig().GeneralCfg().DefaultTenant,
// 		ID:     v1Sts.Id,
// 		Rules:  filters}

// 	sqp := &engine.StatQueueProfile{
// 		Tenant:      "cgrates.org",
// 		ID:          "test",
// 		FilterIDs:   []string{v1Sts.Id},
// 		QueueLength: 10,
// 		TTL:         0,
// 		Metrics: []*engine.MetricWithFilters{
// 			{
// 				MetricID: "*asr",
// 			},
// 			{
// 				MetricID: utils.MetaACD,
// 			},
// 			{
// 				MetricID: "*acc",
// 			},
// 		},
// 		ThresholdIDs: []string{"Test"},
// 		Blocker:      false,
// 		Stored:       true,
// 		Weight:       float64(0),
// 		MinItems:     0,
// 	}
// 	sq := &engine.StatQueue{
// 		Tenant:    config.CgrConfig().GeneralCfg().DefaultTenant,
// 		ID:        v1Sts.Id,
// 		SQMetrics: make(map[string]engine.StatMetric),
// 	}
// 	for _, metric := range sqp.Metrics {
// 		if stsMetric, err := engine.NewStatMetric(metric.MetricID, 0, []string{}); err != nil {
// 			t.Error("Error when creating newstatMETRIc ", err.Error())
// 		} else {
// 			if _, has := sq.SQMetrics[metric.MetricID]; !has {
// 				sq.SQMetrics[metric.MetricID] = stsMetric
// 			}
// 		}
// 	}
// 	switch stsAction {
// 	case utils.Migrate:
// 		err := stsMigrator.dmIN.setV1Stats(v1Sts)
// 		if err != nil {
// 			t.Error("Error when setting v1Stat ", err.Error())
// 		}
// 		currentVersion := engine.Versions{
// 			utils.StatS:      1,
// 			utils.Thresholds: 2,
// 			utils.Accounts:   2,
// 			utils.Actions:    2,
// 		}
// 		err = stsMigrator.dmIN.DataManager().DataDB().SetVersions(currentVersion, false)
// 		if err != nil {
// 			t.Error("Error when setting version for stats ", err.Error())
// 		}
// 		err, _ = stsMigrator.Migrate([]string{utils.MetaStats})
// 		if err != nil {
// 			t.Error("Error when migrating Stats ", err.Error())
// 		}

// 		result, err := stsMigrator.dmOut.DataManager().DataDB().GetStatQueueProfileDrv("cgrates.org", v1Sts.Id)
// 		if err != nil {
// 			t.Error("Error when getting Stats ", err.Error())
// 		}
// 		if !reflect.DeepEqual(sqp, result) {
// 			t.Errorf("Expecting: %+v, received: %+v", sqp, result)
// 		}

// 		result1, err := stsMigrator.dmOut.DataManager().GetFilter("cgrates.org", v1Sts.Id, false, false, utils.NonTransactional)
// 		if err != nil {
// 			t.Error("Error when getting Stats ", err.Error())
// 		}
// 		if !reflect.DeepEqual(filter.ID, result1.ID) {
// 			t.Errorf("Expecting: %+v, received: %+v", filter.ID, result1.ID)
// 		} else if !reflect.DeepEqual(len(filter.Rules), len(result1.Rules)) {
// 			t.Errorf("Expecting: %+v, received: %+v", len(filter.Rules), len(result1.Rules))
// 		}

// 		result2, err := stsMigrator.dmOut.DataManager().GetStatQueue("cgrates.org", sq.ID, false, false, utils.NonTransactional)
// 		if err != nil {
// 			t.Error("Error when getting Stats ", err.Error())
// 		}
// 		if !reflect.DeepEqual(sq.ID, result2.ID) {
// 			t.Errorf("Expecting: %+v, received: %+v", sq.ID, result2.ID)
// 		}

// case utils.Move:
// 	if err := stsMigrator.dmIN.DataManager().SetStatQueueProfile(sqp, false); err != nil {
// 		t.Error("Error when setting Stats ", err.Error())
// 	}
// 	if err := stsMigrator.dmIN.DataManager().SetStatQueue(sq); err != nil {
// 		t.Error("Error when setting Stats ", err.Error())
// 	}
// 	if err := stsMigrator.dmOut.DataManager().SetFilter(filter, true); err != nil {
// 		t.Error("Error when setting Filter ", err.Error())
// 	}
// 	currentVersion := engine.CurrentDataDBVersions()
// 	err := stsMigrator.dmIN.DataManager().DataDB().SetVersions(currentVersion, false)
// 	if err != nil {
// 		t.Error("Error when setting version for stats ", err.Error())
// 	}
// 	err, _ = stsMigrator.Migrate([]string{utils.MetaStats})
// 	if err != nil {
// 		t.Error("Error when migrating Stats ", err.Error())
// 	}
// 	result, err := stsMigrator.dmOut.DataManager().DataDB().GetStatQueueProfileDrv(sqp.Tenant, sqp.ID)
// 	if err != nil {
// 		t.Error("Error when getting Stats ", err.Error())
// 	}
// 	result1, err := stsMigrator.dmOut.DataManager().GetStatQueue(sq.Tenant, sq.ID, false, false, utils.NonTransactional)
// 	if err != nil {
// 		t.Error("Error when getting Stats ", err.Error())
// 	}
// 	if !reflect.DeepEqual(sqp, result) {
// 		t.Errorf("Expecting: %+v, received: %+v", sqp, result)
// 	}
// 	if !reflect.DeepEqual(sq.ID, result1.ID) {
// 		t.Errorf("Expecting: %+v, received: %+v", sq.ID, result1.ID)
// 	}
// }

// }

func testStsITMigrateFromv1(t *testing.T) {
	tim := time.Date(2020, time.July, 29, 17, 59, 59, 0, time.UTC)
	v1Sts := &v1Stat{
		Id:              "test",
		QueueLength:     10,
		TimeWindow:      time.Second,
		SaveInterval:    time.Second,
		Metrics:         []string{"ASR", "ACD", "ACC"},
		SetupInterval:   []time.Time{tim},
		ToR:             []string{},
		CdrHost:         []string{},
		CdrSource:       []string{},
		ReqType:         []string{},
		Direction:       []string{},
		Tenant:          []string{},
		Category:        []string{},
		Account:         []string{},
		Subject:         []string{},
		DestinationIds:  []string{},
		UsageInterval:   []time.Duration{time.Second},
		PddInterval:     []time.Duration{time.Second},
		Supplier:        []string{},
		DisconnectCause: []string{},
		MediationRunIds: []string{},
		RatedAccount:    []string{},
		RatedSubject:    []string{},
		CostInterval:    []float64{},
		// Triggers: engine.ActionTriggers{
		// 	&engine.ActionTrigger{
		// 		ID: "Test",
		// 		Balance: &engine.BalanceFilter{
		// 			ID:             utils.StringPointer("TESTB"),
		// 			ExpirationDate: utils.TimePointer(tim),
		// 			Type:           utils.StringPointer(utils.MetaMonetary),
		// 		},
		// 		ExpirationDate:    tim,
		// 		LastExecutionTime: tim,
		// 		ActivationDate:    tim,
		// 		ThresholdType:     utils.TriggerMaxBalance,
		// 		ThresholdValue:    2,
		// 		ActionsID:         "TEST_ACTIONS",
		// 		Executed:          true,
		// 	},
		// },
	}

	err := stsMigrator.dmIN.setV1Stats(v1Sts)
	if err != nil {
		t.Error("Error when setting v1Stat ", err.Error())
	}

	if err := stsMigrator.dmIN.DataManager().DataDB().SetVersions(engine.Versions{utils.Stats: 1}, true); err != nil {
		t.Errorf("error: <%s> when updating Stats version into dataDB", err.Error())
	}

	if err := stsMigrator.migrateStats(); err != nil {
		t.Error(err)
	}

	if vrs, err := stsMigrator.dmOut.DataManager().DataDB().GetVersions(utils.Stats); err != nil {
		t.Errorf("error: <%s> when updating Stats version into dataDB", err.Error())
	} else if vrs[utils.Stats] != 4 {
		t.Errorf("Expecting: 4, received: %+v", vrs[utils.Stats])
	}

	//from V1 to V2
	var filter *engine.Filter
	if filter, err = stsMigrator.dmOut.DataManager().GetFilter(context.Background(), "cgrates.org", "test", false, false, utils.NonTransactional); err != nil {
		t.Error(err)
	} else if !reflect.DeepEqual(config.CgrConfig().GeneralCfg().DefaultTenant, filter.Tenant) {
		t.Errorf("Expecting: %+v, received: %+v", config.CgrConfig().GeneralCfg().DefaultTenant, filter.Tenant)
	} else if !reflect.DeepEqual(v1Sts.Id, filter.ID) {
		t.Errorf("Expecting: %+v, received: %+v", v1Sts.Id, filter.ID)
	}

	for _, itm := range filter.Rules {
		switch itm.Element {
		case "SetupInterval":
			if itm.Values[0] != tim.String() {
				t.Errorf("Expecting: %+v, received: %+v", tim.String(), itm.Values[0])
			} else if itm.Type != "*gte" {
				t.Errorf("Expecting: *gte, received: %+v", itm.Type)
			}
		case "UsageInterval":
			if itm.Type != "*gte" {
				t.Errorf("Expecting: *gte, received: %+v", itm.Type)
			} else if itm.Values[0] != "1s" {
				t.Errorf("Expecting: 1s, received: %+v", itm.Values[0])
			}
		case "PddInterval":
			if itm.Type != "*gte" {
				t.Errorf("Expecting: *gte, received: %+v", itm.Type)
			} else if itm.Values[0] != "1s" {
				t.Errorf("Expecting: 1s, received: %+v", itm.Values[0])
			}
		}
	}
	metrics := []*engine.MetricWithFilters{
		{
			MetricID: "*asr",
		}, {
			MetricID: "*acd",
		}, {
			MetricID: "*acc",
		},
	}
	if statQueueProfile, err := stsMigrator.dmOut.DataManager().GetStatQueueProfile(context.TODO(), "cgrates.org", "test", false, false, utils.NonTransactional); err != nil {
		t.Error(err)
	} else if statQueueProfile.ThresholdIDs[0] != "Test" {
		t.Errorf("Expecting: 'Test', received: %+v", statQueueProfile.ThresholdIDs[0])
	} else if reflect.DeepEqual(statQueueProfile.Weights, utils.DynamicWeights{
		{
			Weight: 0,
		},
	}) {
		t.Errorf("Expecting: '0', received: %+v", statQueueProfile.Weights)
	} else if !statQueueProfile.Stored {
		t.Errorf("Expecting: 'true', received: %+v", statQueueProfile.Stored)
	} else if statQueueProfile.Blockers[0].Blocker {
		t.Errorf("Expecting: 'false', received: %+v", statQueueProfile.Blockers[0].Blocker)
	} else if statQueueProfile.QueueLength != 10 {
		t.Errorf("Expecting: '10', received: %+v", statQueueProfile.QueueLength)
	} else if statQueueProfile.ID != "test" {
		t.Errorf("Expecting: 'test', received: %+v", statQueueProfile.ID)
	} else if statQueueProfile.Tenant != "cgrates.org" {
		t.Errorf("Expecting: 'cgrates.org', received: %+v", statQueueProfile.Tenant)
	} else if statQueueProfile.MinItems != 0 {
		t.Errorf("Expecting: '0', received: %+v", statQueueProfile.MinItems)
	} else if statQueueProfile.TTL != 0 {
		t.Errorf("Expecting: '0', received: %+v", statQueueProfile.TTL)
	} else if !reflect.DeepEqual(statQueueProfile.Metrics, metrics) {
		t.Errorf("Expecting: %+v, received: %+v", metrics, statQueueProfile.Metrics)
	}

	//from V2 to V3
	var statQueue *engine.StatQueue
	if statQueue, err = stsMigrator.dmOut.DataManager().GetStatQueue(context.TODO(), "cgrates.org", "test", false, false, utils.NonTransactional); err != nil {
		t.Error(err)
	} else if statQueue.ID != "test" {
		t.Errorf("Expecting: 'test', received: %+v", statQueue.ID)
	} else if statQueue.Tenant != "cgrates.org" {
		t.Errorf("Expecting: 'cgrates.org', received: %+v", statQueue.Tenant)
	} else if len(statQueue.SQItems) != 0 {
		t.Errorf("Expecting: '0', received: %+v", len(statQueue.SQItems))
	}
	if _, ok := statQueue.SQMetrics["*acc"]; !ok {
		t.Errorf("Expecting *acc item to be present in SQMetrics")
	}
	if _, ok := statQueue.SQMetrics["*acd"]; !ok {
		t.Errorf("Expecting *acd item to be present in SQMetrics")
	}
	if _, ok := statQueue.SQMetrics["*asr"]; !ok {
		t.Errorf("Expecting *asr item to be present in SQMetrics")
	}
}