/*
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 ers

import (
	"testing"

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

	"github.com/cgrates/cgrates/utils"
	"gorm.io/gorm/logger"
)

func TestSQLSetURL(t *testing.T) {
	sql := new(SQLEventReader)
	expsql := &SQLEventReader{
		connString:    "cgrates:CGRateS.org@tcp(127.0.0.1:3306)/cgrates2?charset=utf8&loc=Local&parseTime=true&sql_mode='ALLOW_INVALID_DATES'",
		connType:      "mysql",
		tableName:     "cdrs2",
		expConnString: "cgrates:CGRateS.org@tcp(127.0.0.1:3306)/cgrates3?charset=utf8&loc=Local&parseTime=true&sql_mode='ALLOW_INVALID_DATES'",
		expConnType:   "mysql",
		expTableName:  "cdrs3",
	}
	inURL := "*mysql://cgrates:CGRateS.org@127.0.0.1:3306"
	outURL := "*mysql://cgrates:CGRateS.org@127.0.0.1:3306"
	if err := sql.setURL(inURL, outURL, &config.EventReaderOpts{
		SQLOpts: &config.SQLROpts{
			SQLDBName:             utils.StringPointer("cgrates2"),
			SQLTableName:          utils.StringPointer("cdrs2"),
			PgSSLMode:             utils.StringPointer("enabled"),
			SQLDBNameProcessed:    utils.StringPointer("cgrates3"),
			SQLTableNameProcessed: utils.StringPointer("cdrs3"),
			PgSSLModeProcessed:    utils.StringPointer("enabled")},
	}); err != nil {
		t.Fatal(err)
	} else if expsql.connString != sql.connString {
		t.Errorf("Expected: %q ,received: %q", expsql.connString, sql.connString)
	} else if expsql.connType != sql.connType {
		t.Errorf("Expected: %q ,received: %q", expsql.connType, sql.connType)
	} else if expsql.tableName != sql.tableName {
		t.Errorf("Expected: %q ,received: %q", expsql.tableName, sql.tableName)
	} else if expsql.expConnString != sql.expConnString {
		t.Errorf("Expected: %q ,received: %q", expsql.expConnString, sql.expConnString)
	} else if expsql.expConnType != sql.expConnType {
		t.Errorf("Expected: %q ,received: %q", expsql.expConnType, sql.expConnType)
	} else if expsql.expTableName != sql.expTableName {
		t.Errorf("Expected: %q ,received: %q", expsql.expTableName, sql.expTableName)
	}

	sql = new(SQLEventReader)
	expsql = &SQLEventReader{
		connString:    "host=127.0.0.1 port=3306 dbname=cgrates2 user=cgrates password=CGRateS.org sslmode=enabled",
		connType:      "postgres",
		tableName:     "cdrs2",
		expConnString: "host=127.0.0.1 port=3306 dbname=cgrates3 user=cgrates password=CGRateS.org sslmode=enabled",
		expConnType:   "postgres",
		expTableName:  "cdrs3",
	}
	inURL = "*postgres://cgrates:CGRateS.org@127.0.0.1:3306"
	outURL = "*postgres://cgrates:CGRateS.org@127.0.0.1:3306"
	if err := sql.setURL(inURL, outURL, &config.EventReaderOpts{
		SQLOpts: &config.SQLROpts{
			SQLDBName:             utils.StringPointer("cgrates2"),
			SQLTableName:          utils.StringPointer("cdrs2"),
			PgSSLMode:             utils.StringPointer("enabled"),
			SQLDBNameProcessed:    utils.StringPointer("cgrates3"),
			SQLTableNameProcessed: utils.StringPointer("cdrs3"),
			PgSSLModeProcessed:    utils.StringPointer("enabled")},
	}); err != nil {
		t.Fatal(err)
	} else if expsql.connString != sql.connString {
		t.Errorf("Expected: %q ,received: %q", expsql.connString, sql.connString)
	} else if expsql.connType != sql.connType {
		t.Errorf("Expected: %q ,received: %q", expsql.connType, sql.connType)
	} else if expsql.tableName != sql.tableName {
		t.Errorf("Expected: %q ,received: %q", expsql.tableName, sql.tableName)
	} else if expsql.expConnString != sql.expConnString {
		t.Errorf("Expected: %q ,received: %q", expsql.expConnString, sql.expConnString)
	} else if expsql.expConnType != sql.expConnType {
		t.Errorf("Expected: %q ,received: %q", expsql.expConnType, sql.expConnType)
	} else if expsql.expTableName != sql.expTableName {
		t.Errorf("Expected: %q ,received: %q", expsql.expTableName, sql.expTableName)
	}

	sql = new(SQLEventReader)
	expsql = &SQLEventReader{
		connString:    "host=127.0.0.1 port=3306 dbname=cgrates2 user=cgrates password=CGRateS.org sslmode=enabled",
		connType:      "postgres",
		tableName:     "cdrs2",
		expConnString: "host=127.0.0.1 port=3306 dbname=cgrates2 user=cgrates password=CGRateS.org sslmode=enabled",
		expConnType:   "postgres",
		expTableName:  "cdrs2",
	}
	inURL = "*postgres://cgrates:CGRateS.org@127.0.0.1:3306"
	outURL = ""
	if err := sql.setURL(inURL, outURL, &config.EventReaderOpts{
		SQLOpts: &config.SQLROpts{
			SQLDBName:             utils.StringPointer("cgrates2"),
			SQLTableName:          utils.StringPointer("cdrs2"),
			PgSSLMode:             utils.StringPointer("enabled"),
			SQLDBNameProcessed:    utils.StringPointer("cgrates2"),
			SQLTableNameProcessed: utils.StringPointer("cdrs2"),
			PgSSLModeProcessed:    utils.StringPointer("enabled")},
	}); err != nil {
		t.Fatal(err)
	} else if expsql.connString != sql.connString {
		t.Errorf("Expected: %q ,received: %q", expsql.connString, sql.connString)
	} else if expsql.connType != sql.connType {
		t.Errorf("Expected: %q ,received: %q", expsql.connType, sql.connType)
	} else if expsql.tableName != sql.tableName {
		t.Errorf("Expected: %q ,received: %q", expsql.tableName, sql.tableName)
	} else if expsql.expConnString != sql.expConnString {
		t.Errorf("Expected: %q ,received: %q", expsql.expConnString, sql.expConnString)
	} else if expsql.expConnType != sql.expConnType {
		t.Errorf("Expected: %q ,received: %q", expsql.expConnType, sql.expConnType)
	} else if expsql.expTableName != sql.expTableName {
		t.Errorf("Expected: %q ,received: %q", expsql.expTableName, sql.expTableName)
	}

	inURL = "*postgres://cgrates:CGRateS.org@127.0.0.1:3306?dbName=cgrates2&tableName=cdrs2&sslmode=enabled"
	outURL = "*postgres2://cgrates:CGRateS.org@127.0.0.1:3306?dbName=cgrates2&tableName=cdrs2&sslmode=enabled"
	if err := sql.setURL(inURL, outURL, &config.EventReaderOpts{}); err == nil || err.Error() != "unknown db_type postgres2" {
		t.Errorf("Expected error: 'unknown db_type postgres2' ,received: %v", err)
	}
	inURL = "*postgres2://cgrates:CGRateS.org@127.0.0.1:3306?dbName=cgrates2&tableName=cdrs2&sslmode=enabled"
	outURL = "*postgres://cgrates:CGRateS.org@127.0.0.1:3306?dbName=cgrates2&tableName=cdrs2&sslmode=enabled"
	if err := sql.setURL(inURL, outURL, &config.EventReaderOpts{}); err == nil || err.Error() != "unknown db_type postgres2" {
		t.Errorf("Expected error: 'unknown db_type postgres2' ,received: %v", err)
	}
}

func TestSQLPostCDR(t *testing.T) {
	cfg := config.NewDefaultCGRConfig()
	rdr := &SQLEventReader{
		cgrCfg:        cfg,
		cfgIdx:        1,
		fltrS:         &engine.FilterS{},
		connString:    "testString",
		connType:      "testType",
		tableName:     "testName",
		expConnString: "testExpConnString",
		expConnType:   "testExpConnType",
		expTableName:  "testExpTableName",
		rdrEvents:     nil,
		rdrExit:       nil,
		rdrErr:        nil,
		cap:           nil,
	}
	in := make([]any, 2)
	err := rdr.postCDR(in)
	expected := "db type <testExpConnType> not supported"
	if err == nil || err.Error() != expected {
		t.Errorf("\nExpected <%+v>, \nReceived <%+v>", expected, err)
	}
}

func TestSQLReaderServePostgresErr(t *testing.T) {
	tmp := logger.Default
	logger.Default = logger.Default.LogMode(logger.Silent)
	rdr := &SQLEventReader{
		connType:   utils.Postgres,
		connString: "host=127.0.0.1 port=9999 dbname=cdrs user=cgrates password=CGRateS.org sslmode=disabled",
	}
	expected := "cannot parse `host=127.0.0.1 port=9999 dbname=cdrs user=cgrates password=xxxxx sslmode=disabled`: failed to configure TLS (sslmode is invalid)"
	err := rdr.Serve()
	if err == nil || err.Error() != expected {
		t.Errorf("\nExpected: <%+v>, \nreceived: <%+v>", expected, err)
	}
	logger.Default = tmp
}

func TestSQLReaderServeBadType(t *testing.T) {
	tmp := logger.Default
	logger.Default = logger.Default.LogMode(logger.Silent)
	rdr := &SQLEventReader{
		connType:   utils.Postgres,
		connString: "host=127.0.0.1 port=9999 dbname=cdrs user=cgrates password=CGRateS.org sslmode=disabled",
	}
	expected := "cannot parse `host=127.0.0.1 port=9999 dbname=cdrs user=cgrates password=xxxxx sslmode=disabled`: failed to configure TLS (sslmode is invalid)"
	err := rdr.Serve()
	if err == nil || err.Error() != expected {
		t.Errorf("\nExpected: <%+v>, \nreceived: <%+v>", expected, err)
	}
	logger.Default = tmp
}

func TestSQLPostCDRMySQLError(t *testing.T) {
	tmp := logger.Default
	logger.Default = logger.Default.LogMode(logger.Silent)
	cfg := config.NewDefaultCGRConfig()
	testSQLEventReader := &SQLEventReader{
		cgrCfg:        cfg,
		cfgIdx:        0,
		fltrS:         nil,
		connString:    "",
		connType:      "",
		tableName:     "testName",
		expConnString: "",
		expConnType:   utils.MySQL,
		expTableName:  "",
		rdrEvents:     nil,
		rdrExit:       nil,
		rdrErr:        nil,
		cap:           nil,
	}
	err := testSQLEventReader.postCDR([]any{})
	expected := "Error 1045: Access denied for user ''@'localhost' (using password: NO)"
	if err == nil {
		t.Errorf("\nExpected: <%+v>, \nreceived: <%+v>", expected, err)
	}
	logger.Default = tmp
}

func TestSQLPostCDRPostgresError(t *testing.T) {
	tmp := logger.Default
	logger.Default = logger.Default.LogMode(logger.Silent)
	cfg := config.NewDefaultCGRConfig()
	testSQLEventReader := &SQLEventReader{
		cgrCfg:        cfg,
		cfgIdx:        0,
		fltrS:         nil,
		connString:    "",
		connType:      "",
		tableName:     "testName",
		expConnString: "",
		expConnType:   utils.Postgres,
		expTableName:  "",
		rdrEvents:     nil,
		rdrExit:       nil,
		rdrErr:        nil,
		cap:           nil,
	}
	err := testSQLEventReader.postCDR([]any{})
	expected := "Error 1045: Access denied for user ''@'localhost' (using password: NO)"
	if err == nil {
		t.Errorf("\nExpected: <%+v>, \nreceived: <%+v>", expected, err)
	}
	logger.Default = tmp
}