/*
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"
	"encoding/gob"
	"reflect"
	"testing"
	"time"

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

var rsponder *Responder

func init() {
	cfg, _ := config.NewDefaultCGRConfig()
	config.SetCgrConfig(cfg)
	rsponder = &Responder{MaxComputedUsage: cfg.RalsCfg().RALsMaxComputedUsage}
}

// Test internal abilites of GetDerivedChargers
func TestResponderGetDerivedChargers(t *testing.T) {
	cfgedDC := &utils.DerivedChargers{DestinationIDs: utils.StringMap{}, Chargers: []*utils.DerivedCharger{{RunID: "responder1",
		RequestTypeField: utils.META_DEFAULT, DirectionField: "test", TenantField: "test",
		CategoryField: "test", AccountField: "test", SubjectField: "test", DestinationField: "test", SetupTimeField: "test", AnswerTimeField: "test", UsageField: "test"}}}
	attrs := &utils.AttrDerivedChargers{Tenant: "cgrates.org", Category: "call", Direction: "*out", Account: "responder_test", Subject: "responder_test"}
	if err := dm.DataDB().SetDerivedChargers(utils.DerivedChargersKey(utils.OUT, utils.ANY, utils.ANY, utils.ANY, utils.ANY), cfgedDC, utils.NonTransactional); err != nil {
		t.Error(err)
	}
	dcs := &utils.DerivedChargers{}
	if err := rsponder.GetDerivedChargers(attrs, dcs); err != nil {
		t.Error("Unexpected error", err.Error())
	} else if !reflect.DeepEqual(dcs, cfgedDC) {
		t.Errorf("Expecting: %v, received: %v ", cfgedDC, dcs)
	}
}

func TestResponderGetDerivedMaxSessionTime(t *testing.T) {
	testTenant := "vdf"
	cdr := &CDR{CGRID: utils.Sha1("dsafdsaf", time.Date(2013, 11, 7, 8, 42, 26, 0, time.UTC).String()),
		OrderID: 123, ToR: utils.VOICE, OriginID: "dsafdsaf", OriginHost: "192.168.1.1", Source: "test",
		RequestType: utils.META_RATED, Tenant: testTenant, Category: "call", Account: "dan", Subject: "dan",
		Destination: "1002", SetupTime: time.Date(2013, 11, 7, 8, 42, 26, 0, time.UTC),
		AnswerTime: time.Date(2013, 11, 7, 8, 42, 26, 0, time.UTC),
		RunID:      utils.DEFAULT_RUNID, Usage: time.Duration(10) * time.Second,
		ExtraFields: map[string]string{"field_extr1": "val_extr1", "fieldextr2": "valextr2"},
		Cost:        1.01}
	var maxSessionTime time.Duration
	if err := rsponder.GetDerivedMaxSessionTime(cdr, &maxSessionTime); err != nil {
		t.Error(err)
	} else if maxSessionTime != time.Duration(-1) {
		t.Error("Unexpected maxSessionTime received: ", maxSessionTime)
	}
	deTMobile := &Destination{Id: "DE_TMOBILE",
		Prefixes: []string{"+49151", "+49160", "+49170", "+49171", "+49175"}}
	if err := dm.DataDB().SetDestination(deTMobile, utils.NonTransactional); err != nil {
		t.Error(err)
	}
	if err := dm.DataDB().SetReverseDestination(deTMobile, utils.NonTransactional); err != nil {
		t.Error(err)
	}
	b10 := &Balance{Value: 10 * float64(time.Second),
		Weight: 10, DestinationIDs: utils.NewStringMap("DE_TMOBILE")}
	b20 := &Balance{Value: 20 * float64(time.Second),
		Weight: 10, DestinationIDs: utils.NewStringMap("DE_TMOBILE")}
	rifsAccount := &Account{ID: utils.ConcatenatedKey(testTenant, "rif"),
		BalanceMap: map[string]Balances{
			utils.VOICE: {b10}}}
	dansAccount := &Account{ID: utils.ConcatenatedKey(testTenant, "dan"),
		BalanceMap: map[string]Balances{utils.VOICE: {b20}}}
	if err := dm.DataDB().SetAccount(rifsAccount); err != nil {
		t.Error(err)
	}
	if err := dm.DataDB().SetAccount(dansAccount); err != nil {
		t.Error(err)
	}
	keyCharger1 := utils.ConcatenatedKey("*out", testTenant, "call", "dan", "dan")
	charger1 := &utils.DerivedChargers{Chargers: []*utils.DerivedCharger{
		{RunID: "extra1", RequestTypeField: "^" + utils.META_PREPAID, DirectionField: "*default", TenantField: "*default", CategoryField: "*default",
			AccountField: "^dan", SubjectField: "^dan", DestinationField: "^+49151708707", SetupTimeField: "*default", AnswerTimeField: "*default", UsageField: "*default"},
		{RunID: "extra2", RequestTypeField: "*default", DirectionField: "*default", TenantField: "*default", CategoryField: "*default",
			AccountField: "^ivo", SubjectField: "^ivo", DestinationField: "*default", SetupTimeField: "*default", AnswerTimeField: "*default", UsageField: "*default"},
		{RunID: "extra3", RequestTypeField: "^" + utils.META_PSEUDOPREPAID, DirectionField: "*default", TenantField: "*default", CategoryField: "*default",
			AccountField: "^rif", SubjectField: "^rif", DestinationField: "^+49151708707", SetupTimeField: "*default", AnswerTimeField: "*default", UsageField: "*default"},
	}}
	if err := dm.DataDB().SetDerivedChargers(keyCharger1, charger1, utils.NonTransactional); err != nil {
		t.Error("Error on setting DerivedChargers", err.Error())
	}
	if rifStoredAcnt, err := dm.DataDB().GetAccount(utils.ConcatenatedKey(testTenant, "rif")); err != nil {
		t.Error(err)
		//} else if rifStoredAcnt.BalanceMap[utils.VOICE].Equal(rifsAccount.BalanceMap[utils.VOICE]) {
		//	t.Errorf("Expected: %+v, received: %+v", rifsAccount.BalanceMap[utils.VOICE][0], rifStoredAcnt.BalanceMap[utils.VOICE][0])
	} else if rifStoredAcnt.BalanceMap[utils.VOICE][0].GetValue() != rifsAccount.BalanceMap[utils.VOICE][0].GetValue() {
		t.Error("BalanceValue: ", rifStoredAcnt.BalanceMap[utils.VOICE][0].GetValue())
	}
	if danStoredAcnt, err := dm.DataDB().GetAccount(utils.ConcatenatedKey(testTenant, "dan")); err != nil {
		t.Error(err)
	} else if danStoredAcnt.BalanceMap[utils.VOICE][0].GetValue() != dansAccount.BalanceMap[utils.VOICE][0].GetValue() {
		t.Error("BalanceValue: ", danStoredAcnt.BalanceMap[utils.VOICE][0].GetValue())
	}
	dcs := &utils.DerivedChargers{}
	attrs := &utils.AttrDerivedChargers{Tenant: testTenant, Category: "call", Direction: "*out", Account: "dan", Subject: "dan"}
	if err := rsponder.GetDerivedChargers(attrs, dcs); err != nil {
		t.Error("Unexpected error", err.Error())
	} else if !reflect.DeepEqual(dcs.Chargers, charger1.Chargers) {
		t.Errorf("Expecting: %+v, received: %+v ", charger1, dcs)
	}
	if err := rsponder.GetDerivedMaxSessionTime(cdr, &maxSessionTime); err != nil {
		t.Error(err)
	} else if maxSessionTime != 1e+10 { // Smallest one, 10 seconds
		t.Error("Unexpected maxSessionTime received: ", maxSessionTime)
	}
}

func TestResponderGetSessionRuns(t *testing.T) {
	testTenant := "vdf"
	cdr := &CDR{CGRID: utils.Sha1("dsafdsaf", time.Date(2013, 11, 7, 8, 42, 26, 0, time.UTC).String()),
		OrderID: 123, ToR: utils.VOICE, OriginID: "dsafdsaf",
		OriginHost: "192.168.1.1", Source: "test", RequestType: utils.META_PREPAID,
		Tenant: testTenant, Category: "call", Account: "dan2", Subject: "dan2",
		Destination: "1002", SetupTime: time.Date(2013, 11, 7, 8, 42, 26, 0, time.UTC),
		AnswerTime: time.Date(2013, 11, 7, 8, 42, 26, 0, time.UTC),
		RunID:      utils.DEFAULT_RUNID, Usage: time.Duration(10) * time.Second,
		ExtraFields: map[string]string{"field_extr1": "val_extr1", "fieldextr2": "valextr2"}, Cost: 1.01}
	keyCharger1 := utils.ConcatenatedKey("*out", testTenant, "call", "dan2", "dan2")
	dfDC := &utils.DerivedCharger{
		RunID: utils.DEFAULT_RUNID, RequestTypeField: utils.META_DEFAULT,
		DirectionField: utils.META_DEFAULT, TenantField: utils.META_DEFAULT,
		CategoryField: utils.META_DEFAULT, AccountField: utils.META_DEFAULT,
		SubjectField: utils.META_DEFAULT, DestinationField: utils.META_DEFAULT,
		SetupTimeField: utils.META_DEFAULT, PDDField: utils.META_DEFAULT,
		AnswerTimeField: utils.META_DEFAULT, UsageField: utils.META_DEFAULT,
		SupplierField: utils.META_DEFAULT, DisconnectCauseField: utils.META_DEFAULT,
		CostField: utils.META_DEFAULT, PreRatedField: utils.META_DEFAULT}
	extra1DC := &utils.DerivedCharger{
		RunID: "extra1", RequestTypeField: "^" + utils.META_PREPAID,
		DirectionField: utils.META_DEFAULT, TenantField: utils.META_DEFAULT,
		CategoryField: "^0", AccountField: "^minitsboy", SubjectField: "^rif",
		DestinationField: "^0256", SetupTimeField: utils.META_DEFAULT,
		PDDField: utils.META_DEFAULT, AnswerTimeField: utils.META_DEFAULT,
		UsageField: utils.META_DEFAULT, SupplierField: utils.META_DEFAULT}
	extra2DC := &utils.DerivedCharger{
		RunID: "extra2", RequestTypeField: utils.META_DEFAULT,
		DirectionField: utils.META_DEFAULT, TenantField: utils.META_DEFAULT,
		CategoryField: utils.META_DEFAULT, AccountField: "^ivo", SubjectField: "^ivo",
		DestinationField: utils.META_DEFAULT, SetupTimeField: utils.META_DEFAULT,
		AnswerTimeField: utils.META_DEFAULT, UsageField: utils.META_DEFAULT,
		SupplierField: utils.META_DEFAULT}
	extra3DC := &utils.DerivedCharger{
		RunID: "extra3", RequestTypeField: "^" + utils.META_PSEUDOPREPAID,
		DirectionField: utils.META_DEFAULT, TenantField: utils.META_DEFAULT,
		CategoryField: "^0", AccountField: "^minu",
		SubjectField: "^rif", DestinationField: "^0256",
		SetupTimeField: utils.META_DEFAULT, PDDField: utils.META_DEFAULT,
		AnswerTimeField: utils.META_DEFAULT, UsageField: utils.META_DEFAULT,
		SupplierField: utils.META_DEFAULT, DisconnectCauseField: utils.META_DEFAULT}
	charger1 := &utils.DerivedChargers{Chargers: []*utils.DerivedCharger{extra1DC, extra2DC, extra3DC}}
	if err := dm.DataDB().SetDerivedChargers(keyCharger1, charger1,
		utils.NonTransactional); err != nil {
		t.Error("Error on setting DerivedChargers", err.Error())
	}
	sesRuns := make([]*SessionRun, 0)
	eSRuns := []*SessionRun{
		{RequestType: utils.META_PREPAID,
			DerivedCharger: extra1DC,
			CallDescriptor: &CallDescriptor{
				CgrID: utils.Sha1("dsafdsaf", time.Date(2013, 11, 7, 8, 42, 26, 0, time.UTC).String()),
				RunID: "extra1", Direction: "*out", Category: "0",
				Tenant: "vdf", Subject: "rif", Account: "minitsboy",
				Destination: "0256", TimeStart: time.Date(2013, 11, 7, 8, 42, 26, 0, time.UTC),
				TimeEnd: time.Date(2013, 11, 7, 8, 42, 36, 0, time.UTC), TOR: utils.VOICE,
				ExtraFields: map[string]string{"field_extr1": "val_extr1", "fieldextr2": "valextr2"}}},
		{RequestType: utils.META_PREPAID,
			DerivedCharger: extra2DC,
			CallDescriptor: &CallDescriptor{
				CgrID: utils.Sha1("dsafdsaf", time.Date(2013, 11, 7, 8, 42, 26, 0, time.UTC).String()),
				RunID: "extra2", Direction: "*out", Category: "call",
				Tenant: "vdf", Subject: "ivo", Account: "ivo", Destination: "1002",
				TimeStart: time.Date(2013, 11, 7, 8, 42, 26, 0, time.UTC),
				TimeEnd:   time.Date(2013, 11, 7, 8, 42, 36, 0, time.UTC), TOR: utils.VOICE,
				ExtraFields: map[string]string{"field_extr1": "val_extr1", "fieldextr2": "valextr2"}}},
		{RequestType: utils.META_PSEUDOPREPAID,
			DerivedCharger: extra3DC,
			CallDescriptor: &CallDescriptor{
				CgrID: utils.Sha1("dsafdsaf", time.Date(2013, 11, 7, 8, 42, 26, 0, time.UTC).String()),
				RunID: "extra3", Direction: "*out", Category: "0",
				Tenant: "vdf", Subject: "rif", Account: "minu", Destination: "0256",
				TimeStart: time.Date(2013, 11, 7, 8, 42, 26, 0, time.UTC),
				TimeEnd:   time.Date(2013, 11, 7, 8, 42, 36, 0, time.UTC), TOR: utils.VOICE,
				ExtraFields: map[string]string{"field_extr1": "val_extr1", "fieldextr2": "valextr2"}}},
		{RequestType: utils.META_PREPAID,
			DerivedCharger: dfDC,
			CallDescriptor: &CallDescriptor{
				CgrID: utils.Sha1("dsafdsaf", time.Date(2013, 11, 7, 8, 42, 26, 0, time.UTC).String()),
				RunID: "*default", Direction: "*out", Category: "call",
				Tenant: "vdf", Subject: "dan2", Account: "dan2", Destination: "1002",
				TimeStart: time.Date(2013, 11, 7, 8, 42, 26, 0, time.UTC),
				TimeEnd:   time.Date(2013, 11, 7, 8, 42, 36, 0, time.UTC), TOR: utils.VOICE,
				ExtraFields: map[string]string{"field_extr1": "val_extr1", "fieldextr2": "valextr2"}}}}
	if err := rsponder.GetSessionRuns(cdr, &sesRuns); err != nil {
		t.Error(err)
	} else if !reflect.DeepEqual(eSRuns, sesRuns) {
		t.Errorf("Expecting: %s, received: %s", utils.ToJSON(eSRuns), utils.ToJSON(sesRuns))
	}
}

func TestResponderGobSMCost(t *testing.T) {
	cc := &CallCost{
		Direction:   "*out",
		Category:    "generic",
		Tenant:      "cgrates.org",
		Subject:     "1001",
		Account:     "1001",
		Destination: "data",
		TOR:         "*data",
		Cost:        0,
		Timespans: TimeSpans{&TimeSpan{
			TimeStart: time.Date(2016, 1, 5, 12, 30, 10, 0, time.UTC),
			TimeEnd:   time.Date(2016, 1, 5, 12, 55, 46, 0, time.UTC),
			Cost:      0,
			RateInterval: &RateInterval{
				Timing: nil,
				Rating: &RIRate{
					ConnectFee:       0,
					RoundingMethod:   "",
					RoundingDecimals: 0,
					MaxCost:          0,
					MaxCostStrategy:  "",
					Rates: RateGroups{&Rate{
						GroupIntervalStart: 0,
						Value:              0,
						RateIncrement:      1 * time.Second,
						RateUnit:           1 * time.Second,
					},
					},
				},
				Weight: 0,
			},
			DurationIndex: 0,
			Increments: Increments{&Increment{
				Duration: 1 * time.Second,
				Cost:     0,
				BalanceInfo: &DebitInfo{
					Unit: &UnitInfo{
						UUID:          "fa0aa280-2b76-4b5b-bb06-174f84b8c321",
						ID:            "",
						Value:         100864,
						DestinationID: "data",
						Consumed:      1,
						TOR:           "*data",
						RateInterval:  nil,
					},
					Monetary:  nil,
					AccountID: "cgrates.org:1001",
				},
				CompressFactor: 1536,
			},
			},
			RoundIncrement: nil,
			MatchedSubject: "fa0aa280-2b76-4b5b-bb06-174f84b8c321",
			MatchedPrefix:  "data",
			MatchedDestId:  "*any",
			RatingPlanId:   "*none",
			CompressFactor: 1,
		},
		},
		RatedUsage: 1536,
	}
	attr := AttrCDRSStoreSMCost{
		Cost: &SMCost{
			CGRID:       "b783a8bcaa356570436983cd8a0e6de4993f9ba6",
			RunID:       utils.META_DEFAULT,
			OriginHost:  "",
			OriginID:    "testdatagrp_grp1",
			CostSource:  "SMR",
			Usage:       1536,
			CostDetails: NewEventCostFromCallCost(cc, "b783a8bcaa356570436983cd8a0e6de4993f9ba6", utils.META_DEFAULT),
		},
		CheckDuplicate: false,
	}

	var network bytes.Buffer        // Stand-in for a network connection
	enc := gob.NewEncoder(&network) // Will write to network.
	dec := gob.NewDecoder(&network) // Will read from network.
	err := enc.Encode(attr)
	if err != nil {
		t.Error("encode error: ", err)
	}

	// Decode (receive) and print the values.
	var q AttrCDRSStoreSMCost
	err = dec.Decode(&q)
	if err != nil {
		t.Error("decode error: ", err)
	}
	if !reflect.DeepEqual(attr, q) {
		t.Error("wrong transmission")
	}
}