/*
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 engine

import (
	"bytes"
	"fmt"
	"log"
	"os"
	"reflect"
	"strings"
	"testing"

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

func TestAttributesShutdown(t *testing.T) {
	alS := &AttributeService{}

	utils.Logger.SetLogLevel(6)
	utils.Logger.SetSyslog(nil)

	var buf bytes.Buffer
	log.SetOutput(&buf)
	defer func() {
		log.SetOutput(os.Stderr)
	}()

	exp := []string{
		"CGRateS <> [INFO] <AttributeS> shutdown initialized",
		"CGRateS <> [INFO] <AttributeS> shutdown complete",
	}
	alS.Shutdown()
	rcv := strings.Split(buf.String(), "\n")

	for i := 0; i < 2; i++ {
		rcv[i] = rcv[i][20:]
		if rcv[i] != exp[i] {
			t.Errorf("\nexpected: <%+v>, \nreceived: <%+v>", exp[i], rcv[i])
		}
	}

	utils.Logger.SetLogLevel(0)
}

func TestAttributesSetCloneable(t *testing.T) {
	attr := &AttrArgsProcessEvent{
		AttributeIDs: []string{"ATTR_ID"},
		Context:      utils.StringPointer(utils.MetaAny),
		ProcessRuns:  utils.IntPointer(1),
		clnb:         true,
	}

	exp := &AttrArgsProcessEvent{
		AttributeIDs: []string{"ATTR_ID"},
		Context:      utils.StringPointer(utils.MetaAny),
		ProcessRuns:  utils.IntPointer(1),
		clnb:         false,
	}
	attr.SetCloneable(false)

	if !reflect.DeepEqual(attr, exp) {
		t.Errorf("\nexpected: <%+v>, \nreceived: <%+v>", exp, attr)
	}
}

func TestAttributesRPCClone(t *testing.T) {
	attr := &AttrArgsProcessEvent{
		AttributeIDs: []string{"ATTR_ID"},
		Context:      utils.StringPointer(utils.MetaAny),
		ProcessRuns:  utils.IntPointer(1),
		CGREvent: &utils.CGREvent{
			Event:   make(map[string]interface{}),
			APIOpts: make(map[string]interface{}),
		},
		clnb: true,
	}

	rcv, err := attr.RPCClone()

	exp := &AttrArgsProcessEvent{
		AttributeIDs: []string{"ATTR_ID"},
		Context:      utils.StringPointer(utils.MetaAny),
		ProcessRuns:  utils.IntPointer(1),
		CGREvent: &utils.CGREvent{
			Event:   make(map[string]interface{}),
			APIOpts: make(map[string]interface{}),
		},
		clnb: false,
	}

	if err != nil {
		t.Fatalf("\nexpected: <%+v>, \nreceived: <%+v>", nil, err)
	}

	if !reflect.DeepEqual(rcv, exp) {
		t.Errorf("\nexpected: <%+v>, \nreceived: <%+v>", exp, rcv)
	}

}

func TestAttributesV1GetAttributeForEventNilCGREvent(t *testing.T) {
	alS := &AttributeService{}
	args := &AttrArgsProcessEvent{}
	reply := &AttributeProfile{}

	experr := fmt.Sprintf("MANDATORY_IE_MISSING: [%s]", "CGREvent")
	err := alS.V1GetAttributeForEvent(args, reply)

	if err == nil || err.Error() != experr {
		t.Errorf("\nexpected: <%+v>, \nreceived: <%+v>", experr, err)
	}
}

func TestAttributesV1GetAttributeForEventProfileNotFound(t *testing.T) {
	defaultCfg := config.NewDefaultCGRConfig()
	db := NewInternalDB(nil, nil, true)
	dm := NewDataManager(db, nil, nil)
	alS := &AttributeService{
		dm:      dm,
		filterS: &FilterS{},
		cgrcfg:  defaultCfg,
	}
	args := &AttrArgsProcessEvent{
		CGREvent: &utils.CGREvent{},
	}
	reply := &AttributeProfile{}

	experr := utils.ErrNotFound
	err := alS.V1GetAttributeForEvent(args, reply)

	if err == nil || err != experr {
		t.Errorf("\nexpected: <%+v>, \nreceived: <%+v>", experr, err)
	}
}

func TestAttributesV1GetAttributeForEvent2(t *testing.T) {
	defaultCfg := config.NewDefaultCGRConfig()
	db := NewInternalDB(nil, nil, true)
	dm := NewDataManager(db, nil, nil)
	alS := &AttributeService{
		dm:      dm,
		filterS: &FilterS{},
		cgrcfg:  defaultCfg,
	}
	args := &AttrArgsProcessEvent{
		CGREvent: &utils.CGREvent{},
	}
	reply := &AttributeProfile{}

	experr := utils.ErrNotFound
	err := alS.V1GetAttributeForEvent(args, reply)

	if err == nil || err != experr {
		t.Errorf("\nexpected: <%+v>, \nreceived: <%+v>", experr, err)
	}
}