// +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 ees

import (
	"fmt"
	"net/rpc"
	"path"
	"testing"
	"time"

	"github.com/cgrates/cgrates/utils"

	"gorm.io/driver/mysql"
	"gorm.io/gorm"
	"gorm.io/gorm/logger"

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

var (
	sqlEeConfigDir string
	sqlEeCfgPath   string
	sqlEeCfg       *config.CGRConfig
	sqlEeRpc       *rpc.Client
	db2            *gorm.DB
	dbConnString   = "cgrates:CGRateS.org@tcp(127.0.0.1:3306)/%s?charset=utf8&loc=Local&parseTime=true&sql_mode='ALLOW_INVALID_DATES'"

	sTestsSqlEe = []func(t *testing.T){
		testCreateDirectory,
		testSqlEeCreateTable,
		testSqlEeLoadConfig,
		testSqlEeResetDataDB,
		testSqlEeStartEngine,
		testSqlEeRPCConn,
		testSqlEeExportEventFull,
		testSqlEeVerifyExportedEvent,
		testSqlEeExportEventPartial,
		testSqlEeVerifyExportedEvent2,
		testStopCgrEngine,
		testCleanDirectory,
	}
)

func TestSqlEeExport(t *testing.T) {
	sqlEeConfigDir = "ees"
	for _, stest := range sTestsSqlEe {
		t.Run(sqlEeConfigDir, stest)
	}
}

// create a struct serve as model for *sql exporter
type testModelSql struct {
	Cgrid      string
	AnswerTime time.Time
	Usage      int64
	Cost       float64
}

func (_ *testModelSql) TableName() string {
	return "expTable"
}

func testSqlEeCreateTable(t *testing.T) {
	var err error

	if db2, err = gorm.Open(mysql.Open(fmt.Sprintf(dbConnString, "cgrates")), &gorm.Config{
		AllowGlobalUpdate: true,
		Logger:            logger.Default.LogMode(logger.Silent),
	}); err != nil {
		return
	}
	if err = db2.Exec(`CREATE DATABASE IF NOT EXISTS exportedDatabase;`).Error; err != nil {
		t.Fatal(err)
	}

	if db2, err = gorm.Open(mysql.Open(fmt.Sprintf(dbConnString, "exportedDatabase")), &gorm.Config{
		AllowGlobalUpdate: true,
		Logger:            logger.Default.LogMode(logger.Silent),
	}); err != nil {
		return
	}
	tx := db2.Begin()
	if tx.Migrator().HasTable("expTable") {
		if err = tx.Migrator().DropTable(new(testModelSql)); err != nil {
			tx.Rollback()
			t.Fatal(err)
		}
	}
	if err = tx.Migrator().CreateTable(new(testModelSql)); err != nil {
		tx.Rollback()
		t.Fatal(err)
	}
	tx.Commit()
}

func testSqlEeLoadConfig(t *testing.T) {
	var err error
	sqlEeCfgPath = path.Join(*dataDir, "conf", "samples", sqlEeConfigDir)
	if sqlEeCfg, err = config.NewCGRConfigFromPath(sqlEeCfgPath); err != nil {
		t.Error(err)
	}
}

func testSqlEeResetDataDB(t *testing.T) {
	if err := engine.InitDataDB(sqlEeCfg); err != nil {
		t.Fatal(err)
	}
}

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

func testSqlEeRPCConn(t *testing.T) {
	var err error
	sqlEeRpc, err = newRPCClient(sqlEeCfg.ListenCfg())
	if err != nil {
		t.Fatal(err)
	}
}

func testSqlEeExportEventFull(t *testing.T) {
	eventVoice := &utils.CGREventWithEeIDs{
		EeIDs: []string{"SQLExporterFull"},
		CGREvent: &utils.CGREvent{
			Tenant: "cgrates.org",
			ID:     "voiceEvent",
			Time:   utils.TimePointer(time.Now()),
			Event: map[string]interface{}{
				utils.CGRID:        utils.Sha1("dsafdsaf", time.Unix(1383813745, 0).UTC().String()),
				utils.ToR:          utils.MetaVoice,
				utils.OriginID:     "dsafdsaf",
				utils.OriginHost:   "192.168.1.1",
				utils.RequestType:  utils.MetaRated,
				utils.Tenant:       "cgrates.org",
				utils.Category:     "call",
				utils.AccountField: "1001",
				utils.Subject:      "1001",
				utils.Destination:  "1002",
				utils.SetupTime:    time.Unix(1383813745, 0).UTC(),
				utils.AnswerTime:   time.Unix(1383813746, 0).UTC(),
				utils.Usage:        10 * time.Second,
				utils.RunID:        utils.MetaDefault,
				utils.Cost:         1.01,
				"ExtraFields": map[string]string{"extra1": "val_extra1",
					"extra2": "val_extra2", "extra3": "val_extra3"},
			},
		},
	}

	var reply map[string]utils.MapStorage
	if err := sqlEeRpc.Call(utils.EeSv1ProcessEvent, eventVoice, &reply); err != nil {
		t.Error(err)
	}
	time.Sleep(10 * time.Millisecond)
}

func testSqlEeExportEventPartial(t *testing.T) {
	eventVoice := &utils.CGREventWithEeIDs{
		EeIDs: []string{"SQLExporterPartial"},
		CGREvent: &utils.CGREvent{
			Tenant: "cgrates.org",
			ID:     "voiceEvent",
			Time:   utils.TimePointer(time.Now()),
			Event: map[string]interface{}{
				utils.CGRID:        utils.Sha1("asd", time.Unix(1383813745, 0).UTC().String()),
				utils.ToR:          utils.MetaVoice,
				utils.OriginID:     "dsafdsaf",
				utils.OriginHost:   "192.168.1.1",
				utils.RequestType:  utils.MetaRated,
				utils.Tenant:       "cgrates.org",
				utils.Category:     "call",
				utils.AccountField: "1001",
				utils.Subject:      "1001",
				utils.Destination:  "1002",
				utils.SetupTime:    time.Unix(1383813745, 0).UTC(),
				utils.AnswerTime:   time.Unix(1383813746, 0).UTC(),
				utils.Usage:        10 * time.Second,
				utils.RunID:        utils.MetaDefault,
				utils.Cost:         123,
				"ExtraFields": map[string]string{"extra1": "val_extra1",
					"extra2": "val_extra2", "extra3": "val_extra3"},
			},
		},
	}

	var reply map[string]utils.MapStorage
	if err := sqlEeRpc.Call(utils.EeSv1ProcessEvent, eventVoice, &reply); err != nil {
		t.Error(err)
	}
	time.Sleep(10 * time.Millisecond)
}

func testSqlEeVerifyExportedEvent(t *testing.T) {
	var result int64
	db2.Table("expTable").Count(&result)
	if result != 1 {
		t.Fatal("Expected table to have only one result ", result)
	}
}

func testSqlEeVerifyExportedEvent2(t *testing.T) {
	var result int64
	db2.Table("expTable").Count(&result)
	if result != 2 {
		t.Fatal("Expected table to have only one result ", result)
	}
}

func TestOpenDB1(t *testing.T) {
	cgrCfg := config.NewDefaultCGRConfig()
	cgrCfg.EEsCfg().Exporters[0].Opts[utils.SQLMaxIdleConnsCfg] = 2
	dialect := mysql.Open(fmt.Sprintf("%s:%s@tcp(%s:%s)/%s?charset=utf8&loc=Local&parseTime=true&sql_mode='ALLOW_INVALID_DATES'",
		"cgrates", "CGRateS.org", "127.0.0.1", "3306", "cgrates"))
	_, _, err := openDB(cgrCfg, 0, dialect)
	if err != nil {
		t.Error(err)
	}
}

func TestOpenDB1Err(t *testing.T) {
	cgrCfg := config.NewDefaultCGRConfig()
	cgrCfg.EEsCfg().Exporters[0].Opts[utils.SQLMaxIdleConnsCfg] = "test"
	dialect := mysql.Open(fmt.Sprintf("%s:%s@tcp(%s:%s)/%s?charset=utf8&loc=Local&parseTime=true&sql_mode='ALLOW_INVALID_DATES'",
		"cgrates", "CGRateS.org", "127.0.0.1", "3306", "cgrates"))
	_, _, err := openDB(cgrCfg, 0, dialect)
	errExpect := "strconv.ParseInt: parsing \"test\": invalid syntax"
	if err == nil || err.Error() != errExpect {
		t.Errorf("Expected %v but received %v", errExpect, err)
	}
}

func TestOpenDB2(t *testing.T) {
	cgrCfg := config.NewDefaultCGRConfig()
	cgrCfg.EEsCfg().Exporters[0].Opts[utils.SQLMaxOpenConns] = 2
	dialect := mysql.Open(fmt.Sprintf("%s:%s@tcp(%s:%s)/%s?charset=utf8&loc=Local&parseTime=true&sql_mode='ALLOW_INVALID_DATES'",
		"cgrates", "CGRateS.org", "127.0.0.1", "3306", "cgrates"))
	_, _, err := openDB(cgrCfg, 0, dialect)
	if err != nil {
		t.Error(err)
	}
}

func TestOpenDB2Err(t *testing.T) {
	cgrCfg := config.NewDefaultCGRConfig()
	cgrCfg.EEsCfg().Exporters[0].Opts[utils.SQLMaxOpenConns] = "test"
	dialect := mysql.Open(fmt.Sprintf("%s:%s@tcp(%s:%s)/%s?charset=utf8&loc=Local&parseTime=true&sql_mode='ALLOW_INVALID_DATES'",
		"cgrates", "CGRateS.org", "127.0.0.1", "3306", "cgrates"))
	_, _, err := openDB(cgrCfg, 0, dialect)
	errExpect := "strconv.ParseInt: parsing \"test\": invalid syntax"
	if err == nil || err.Error() != errExpect {
		t.Errorf("Expected %v but received %v", errExpect, err)
	}
}

func TestOpenDB3(t *testing.T) {
	cgrCfg := config.NewDefaultCGRConfig()
	cgrCfg.EEsCfg().Exporters[0].Opts[utils.SQLMaxConnLifetime] = 2
	dialect := mysql.Open(fmt.Sprintf("%s:%s@tcp(%s:%s)/%s?charset=utf8&loc=Local&parseTime=true&sql_mode='ALLOW_INVALID_DATES'",
		"cgrates", "CGRateS.org", "127.0.0.1", "3306", "cgrates"))
	_, _, err := openDB(cgrCfg, 0, dialect)
	if err != nil {
		t.Error(err)
	}
}

func TestOpenDB3Err(t *testing.T) {
	cgrCfg := config.NewDefaultCGRConfig()
	cgrCfg.EEsCfg().Exporters[0].Opts[utils.SQLMaxConnLifetime] = "test"
	dialect := mysql.Open(fmt.Sprintf("%s:%s@tcp(%s:%s)/%s?charset=utf8&loc=Local&parseTime=true&sql_mode='ALLOW_INVALID_DATES'",
		"cgrates", "CGRateS.org", "127.0.0.1", "3306", "cgrates"))
	_, _, err := openDB(cgrCfg, 0, dialect)
	errExpect := "time: invalid duration \"test\""
	if err == nil || err.Error() != errExpect {
		t.Errorf("Expected %v but received %v", errExpect, err)
	}
}

func TestSQLExportEvent1(t *testing.T) {
	cgrCfg := config.NewDefaultCGRConfig()
	cgrCfg.EEsCfg().Exporters[0].Opts[utils.SQLTableNameOpt] = "expTable"
	cgrCfg.EEsCfg().Exporters[0].Opts[utils.SQLDBNameOpt] = "cgrates"
	cgrCfg.EEsCfg().Exporters[0].ExportPath = `mysql://cgrates:CGRateS.org@127.0.0.1:3306`
	cgrEv := new(utils.CGREvent)
	newIDb := engine.NewInternalDB(nil, nil, true)
	newDM := engine.NewDataManager(newIDb, cgrCfg.CacheCfg(), nil)
	filterS := engine.NewFilterS(cgrCfg, nil, newDM)
	dc, err := newEEMetrics(utils.FirstNonEmpty(
		"Local",
		utils.EmptyString,
	))
	if err != nil {
		t.Error(err)
	}
	sqlEe, err := NewSQLEe(cgrCfg, 0, filterS, dc)
	if err != nil {
		t.Error(err)
	}
	cgrEv.Event = map[string]interface{}{
		"test": "string",
	}
	cgrCfg.EEsCfg().Exporters[0].Fields = []*config.FCTemplate{
		{
			Path: "*exp.1", Type: utils.MetaVariable,
			Value: config.NewRSRParsersMustCompile("*req.field1", utils.InfieldSep),
		},
		{
			Path: "*exp.2", Type: utils.MetaVariable,
			Value: config.NewRSRParsersMustCompile("*req.field2", utils.InfieldSep),
		},
	}
	for _, field := range cgrCfg.EEsCfg().Exporters[0].Fields {
		field.ComputePath()
	}
	cgrCfg.EEsCfg().Exporters[0].ComputeFields()
	if err := sqlEe.ExportEvent(cgrEv); err != nil {
		t.Error(err)
	}
	sqlEe.OnEvicted("test", "test")
}

func TestSQLExportEvent2(t *testing.T) {
	cgrCfg := config.NewDefaultCGRConfig()
	cgrCfg.EEsCfg().Exporters[0].Opts[utils.SQLTableNameOpt] = "expTable"
	cgrCfg.EEsCfg().Exporters[0].Opts[utils.SQLDBNameOpt] = "cgrates"
	cgrCfg.EEsCfg().Exporters[0].ExportPath = `mysql://cgrates:CGRateS.org@127.0.0.1:3306`
	cgrEv := new(utils.CGREvent)
	newIDb := engine.NewInternalDB(nil, nil, true)
	newDM := engine.NewDataManager(newIDb, cgrCfg.CacheCfg(), nil)
	filterS := engine.NewFilterS(cgrCfg, nil, newDM)
	dc, err := newEEMetrics(utils.FirstNonEmpty(
		"Local",
		utils.EmptyString,
	))
	if err != nil {
		t.Error(err)
	}
	sqlEe, err := NewSQLEe(cgrCfg, 0, filterS, dc)
	if err != nil {
		t.Error(err)
	}
	cgrEv.Event = map[string]interface{}{
		"test": "string",
	}
	cgrCfg.EEsCfg().Exporters[0].Fields = []*config.FCTemplate{
		{
			Path: "*exp.*row", Type: utils.MetaVariable,
			Value: config.NewRSRParsersMustCompile(utils.MetaRow, utils.InfieldSep),
		},
		{
			Path: "*exp.2", Type: utils.MetaVariable,
			Value: config.NewRSRParsersMustCompile("*req.field2", utils.InfieldSep),
		},
	}
	for _, field := range cgrCfg.EEsCfg().Exporters[0].Fields {
		field.ComputePath()
	}
	cgrCfg.EEsCfg().Exporters[0].ComputeFields()
	if err := sqlEe.ExportEvent(cgrEv); err != nil {
		t.Error(err)
	}
	sqlEe.OnEvicted("test", "test")
}

func TestSQLExportEvent3(t *testing.T) {
	cgrCfg := config.NewDefaultCGRConfig()
	cgrCfg.EEsCfg().Exporters[0].Opts[utils.SQLTableNameOpt] = "expTable"
	cgrCfg.EEsCfg().Exporters[0].Opts[utils.SQLDBNameOpt] = "cgrates"
	cgrCfg.EEsCfg().Exporters[0].ExportPath = `mysql://cgrates:CGRateS.org@127.0.0.1:3306`
	cgrEv := new(utils.CGREvent)
	newIDb := engine.NewInternalDB(nil, nil, true)
	newDM := engine.NewDataManager(newIDb, cgrCfg.CacheCfg(), nil)
	filterS := engine.NewFilterS(cgrCfg, nil, newDM)
	dc, err := newEEMetrics(utils.FirstNonEmpty(
		"Local",
		utils.EmptyString,
	))
	if err != nil {
		t.Error(err)
	}
	sqlEe, err := NewSQLEe(cgrCfg, 0, filterS, dc)
	if err != nil {
		t.Error(err)
	}
	cgrEv.Event = map[string]interface{}{
		"test": "string",
	}
	cgrCfg.EEsCfg().Exporters[0].Fields = []*config.FCTemplate{
		{
			Path: "*exp.1", Type: utils.MetaVariable,
			Value: config.NewRSRParsersMustCompile("*req.field1", utils.InfieldSep),
		},
		{
			Path: "*exp.2", Type: utils.MetaVariable,
			Value: config.NewRSRParsersMustCompile("*req.field2", utils.InfieldSep),
		},
	}
	for _, field := range cgrCfg.EEsCfg().Exporters[0].Fields {
		field.ComputePath()
	}
	cgrCfg.EEsCfg().Exporters[0].ComputeFields()
	if err := sqlEe.ExportEvent(cgrEv); err != nil {
		t.Error(err)
	}
	sqlEe.OnEvicted("test", "test")
}

func TestSQLExportEvent4(t *testing.T) {
	cgrCfg := config.NewDefaultCGRConfig()
	cgrCfg.EEsCfg().Exporters[0].Opts[utils.SQLTableNameOpt] = "expTable"
	cgrCfg.EEsCfg().Exporters[0].Opts[utils.SQLDBNameOpt] = "cgrates"
	cgrCfg.EEsCfg().Exporters[0].ExportPath = `mysql://cgrates:CGRateS.org@127.0.0.1:3306`
	cgrEv := new(utils.CGREvent)
	newIDb := engine.NewInternalDB(nil, nil, true)
	newDM := engine.NewDataManager(newIDb, cgrCfg.CacheCfg(), nil)
	filterS := engine.NewFilterS(cgrCfg, nil, newDM)
	dc, err := newEEMetrics(utils.FirstNonEmpty(
		"Local",
		utils.EmptyString,
	))
	if err != nil {
		t.Error(err)
	}
	sqlEe, err := NewSQLEe(cgrCfg, 0, filterS, dc)
	if err != nil {
		t.Error(err)
	}
	cgrEv.Event = map[string]interface{}{
		"test": "string",
	}
	cgrCfg.EEsCfg().Exporters[0].Fields = []*config.FCTemplate{
		{
			Path: "*exp.1", Type: utils.MetaVariable,
			Value:   config.NewRSRParsersMustCompile("~*req.field1", utils.InfieldSep),
			Filters: []string{"*wrong-type"},
		},
		{
			Path: "*exp.2", Type: utils.MetaVariable,
			Value:   config.NewRSRParsersMustCompile("~*req.field2", utils.InfieldSep),
			Filters: []string{"*wrong-type"},
		},
	}
	for _, field := range cgrCfg.EEsCfg().Exporters[0].Fields {
		field.ComputePath()
	}
	cgrCfg.EEsCfg().Exporters[0].ComputeFields()
	errExpect := "inline parse error for string: <*wrong-type>"
	if err := sqlEe.ExportEvent(cgrEv); err == nil || err.Error() != errExpect {
		t.Errorf("Expected %v but received %v", errExpect, err)
	}
}