/*
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 (
	"net/http"
	"net/url"
	"reflect"
	"strings"
	"testing"
	"time"

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

/*
curl --data "OriginID=asbfdsaf&OriginHost=192.168.1.1&RequestType=rated&tenant=cgrates.org&tor=call&account=1001&subject=1001&destination=1002&time_answer=1383813746&duration=10&field_extr1=val_extr1&fieldextr2=valextr2" http://ipbxdev:2080/cgr
*/

func TestCgrCdrAsCDR(t *testing.T) {
	cgrCdr := CgrCdr{
		utils.ToR:         utils.VOICE,
		utils.OriginID:    "dsafdsaf",
		utils.OriginHost:  "192.168.1.1",
		utils.Source:      "internal_test",
		utils.OrderID:     "23",
		utils.RequestType: utils.META_RATED,
		utils.Tenant:      "cgrates.org",
		utils.Category:    "call",
		utils.Account:     "1001",
		utils.Subject:     "1001",
		utils.Destination: "1002",
		utils.Partial:     "true",
		utils.SetupTime:   "2013-11-07T08:42:20Z",
		utils.AnswerTime:  "2013-11-07T08:42:26Z",
		utils.Usage:       "10s", "field_extr1": "val_extr1", "fieldextr2": "valextr2",
		utils.CostDetails: `{ "CGRID": "randomID", "RunID": "thisID"}`,
	}
	// setupTime, _ := utils.ParseTimeDetectLayout(cgrCdr[utils.SetupTime], "")
	expctRtCdr := &CDR{
		CGRID:       utils.Sha1(cgrCdr[utils.OriginID], cgrCdr[utils.OriginHost]),
		ToR:         utils.VOICE,
		OrderID:     23,
		OriginID:    cgrCdr[utils.OriginID],
		OriginHost:  cgrCdr[utils.OriginHost],
		Source:      cgrCdr[utils.Source],
		RequestType: cgrCdr[utils.RequestType],
		Tenant:      cgrCdr[utils.Tenant], Category: cgrCdr[utils.Category],
		Account: cgrCdr[utils.Account], Subject: cgrCdr[utils.Subject],
		Destination: cgrCdr[utils.Destination],
		SetupTime:   time.Date(2013, 11, 7, 8, 42, 20, 0, time.UTC),
		AnswerTime:  time.Date(2013, 11, 7, 8, 42, 26, 0, time.UTC),
		Usage:       10 * time.Second,
		Cost:        -1,
		Partial:     true,
		ExtraFields: map[string]string{"field_extr1": "val_extr1", "fieldextr2": "valextr2"},
		CostDetails: &EventCost{
			CGRID: "randomID",
			RunID: "thisID",
		},
	}
	if CDR, err := cgrCdr.AsCDR(""); err != nil {
		t.Error(err)
	} else if !reflect.DeepEqual(expctRtCdr, CDR) {
		t.Errorf("Expecting %v \n, received: %v", utils.ToJSON(expctRtCdr), utils.ToJSON(CDR))
	}
}

// Make sure the replicated CDR matches the expected CDR
func TestReplicatedCgrCdrAsCDR(t *testing.T) {
	cgrCdr := CgrCdr{
		utils.CGRID: "164b0422fdc6a5117031b427439482c6a4f90e41",
		utils.ToR:   utils.VOICE, utils.OriginID: "dsafdsaf",
		utils.OriginHost:  "192.168.1.1",
		utils.Source:      "internal_test",
		utils.RequestType: utils.META_RATED,
		utils.Tenant:      "cgrates.org", utils.Category: "call",
		utils.Account: "1001", utils.Subject: "1001",
		utils.Destination: "1002",
		utils.SetupTime:   "2013-11-07T08:42:20Z",
		utils.AnswerTime:  "2013-11-07T08:42:26Z",
		utils.Usage:       "10s", utils.COST: "0.12",
		utils.PreRated: "true",
	}
	expctRtCdr := &CDR{
		CGRID:       cgrCdr[utils.CGRID],
		ToR:         cgrCdr[utils.ToR],
		OriginID:    cgrCdr[utils.OriginID],
		OriginHost:  cgrCdr[utils.OriginHost],
		Source:      cgrCdr[utils.Source],
		RequestType: cgrCdr[utils.RequestType],
		Tenant:      cgrCdr[utils.Tenant],
		Category:    cgrCdr[utils.Category],
		Account:     cgrCdr[utils.Account],
		Subject:     cgrCdr[utils.Subject],
		Destination: cgrCdr[utils.Destination],
		ExtraFields: map[string]string{},
		SetupTime:   time.Date(2013, 11, 7, 8, 42, 20, 0, time.UTC),
		AnswerTime:  time.Date(2013, 11, 7, 8, 42, 26, 0, time.UTC),
		Usage:       10 * time.Second,
		Cost:        0.12,
		PreRated:    true,
	}
	if CDR, err := cgrCdr.AsCDR(""); err != nil {
		t.Error(err)
	} else if !reflect.DeepEqual(expctRtCdr, CDR) {
		t.Errorf("Expecting %v, received: %v", expctRtCdr, CDR)
	}
}

func TestCgrCdrAsCDROrderIDError(t *testing.T) {
	cgrCdr := CgrCdr{
		utils.OrderID: "25.3",
	}
	expected := "strconv.ParseInt: parsing \"25.3\": invalid syntax"
	if _, err := cgrCdr.AsCDR(""); err == nil || err.Error() != expected {
		t.Errorf("Expecting %v, received: %v", expected, err)
	}
}

func TestCgrCdrAsCDRSetupTimeError(t *testing.T) {
	cgrCdr := CgrCdr{
		utils.SetupTime: "invalideTimeFormat",
	}
	expected := "Unsupported time format"
	if _, err := cgrCdr.AsCDR(""); err == nil || err.Error() != expected {
		t.Errorf("Expecting %v, received: %v", expected, err)
	}
}

func TestCgrCdrAsCDRAnswerTimeError(t *testing.T) {
	cgrCdr := CgrCdr{
		utils.AnswerTime: "invalideTimeFormat",
	}
	expected := "Unsupported time format"
	if _, err := cgrCdr.AsCDR(""); err == nil || err.Error() != expected {
		t.Errorf("Expecting %v, received: %v", expected, err)
	}
}

func TestCgrCdrAsCDRUsageError(t *testing.T) {
	cgrCdr := CgrCdr{
		utils.Usage: "1ss",
	}
	expected := "time: unknown unit \"ss\" in duration \"1ss\""
	if _, err := cgrCdr.AsCDR(""); err == nil || err.Error() != expected {
		t.Errorf("Expecting %v, received: %v", expected, err)
	}
}

func TestCgrCdrAsCDRPartialError(t *testing.T) {
	cgrCdr := CgrCdr{
		utils.Partial: "InvalidBoolFormat",
	}
	expected := "strconv.ParseBool: parsing \"InvalidBoolFormat\": invalid syntax"
	if _, err := cgrCdr.AsCDR(""); err == nil || err.Error() != expected {
		t.Errorf("Expecting %v, received: %v", expected, err)
	}
}

func TestCgrCdrAsCDRPreRatedError(t *testing.T) {
	cgrCdr := CgrCdr{
		utils.PreRated: "InvalidBoolFormat",
	}
	expected := "strconv.ParseBool: parsing \"InvalidBoolFormat\": invalid syntax"
	if _, err := cgrCdr.AsCDR(""); err == nil || err.Error() != expected {
		t.Errorf("Expecting %v, received: %v", expected, err)
	}
}

func TestCgrCdrAsCDRCostError(t *testing.T) {
	cgrCdr := CgrCdr{
		utils.Cost: "InvalidFloatFormat",
	}
	expected := "strconv.ParseFloat: parsing \"InvalidFloatFormat\": invalid syntax"
	if _, err := cgrCdr.AsCDR(""); err == nil || err.Error() != expected {
		t.Errorf("Expecting %v, received: %v", expected, err)
	}
}

func TestCgrCdrAsCDRCostDetailsError(t *testing.T) {
	cgrCdr := CgrCdr{
		utils.CostDetails: `{ "CGRID": "randomID", "RunID": 1234}`,
	}
	expected := "json: cannot unmarshal number into Go struct field EventCost.RunID of type string"
	if _, err := cgrCdr.AsCDR(""); err == nil || err.Error() != expected {
		t.Errorf("Expecting %v, received: %v", expected, err)
	}
}

func TestNewCgrCdrFromHttpReq(t *testing.T) {
	cgrCdr := CgrCdr{
		utils.ToR:         utils.VOICE,
		utils.OriginID:    "dsafdsaf",
		utils.OriginHost:  "192.168.1.1",
		utils.Source:      "internal_test",
		utils.OrderID:     "23",
		utils.RequestType: utils.META_RATED,
		utils.Tenant:      "cgrates.org",
		utils.Category:    "call",
		utils.Account:     "1001",
		utils.Subject:     "1001",
		utils.Destination: "1002",
		utils.Partial:     "true",
		utils.SetupTime:   "2013-11-07T08:42:20Z",
		utils.AnswerTime:  "2013-11-07T08:42:26Z",
		utils.Usage:       "10s", "field_extr1": "val_extr1", "fieldextr2": "valextr2",
		utils.CostDetails: `{ "CGRID": "randomID", "RunID": "thisID"}`,
	}
	r, err := http.NewRequest(http.MethodPost, "cgrates.org", strings.NewReader(""))
	if err != nil {
		t.Error(err)
	}
	r.Form = url.Values{}
	for key, value := range cgrCdr {
		r.Form.Set(key, value)
	}
	if newCgrCdr, err := NewCgrCdrFromHttpReq(r); err != nil {
		t.Error(err)
	} else if !reflect.DeepEqual(newCgrCdr, cgrCdr) {
		t.Errorf("Expected %+v \n, received %+v", utils.ToJSON(cgrCdr), utils.ToJSON(newCgrCdr))
	}
}

func TestNewCgrCdrFromHttpReqNilForm(t *testing.T) {
	r, err := http.NewRequest(http.MethodPost, "cgrates.org", nil)
	if err != nil {
		t.Error(err)
	}
	expected := "missing form body"
	if _, err := NewCgrCdrFromHttpReq(r); err == nil || err.Error() != expected {
		t.Errorf("Expected %+v, received %+v", expected, err)
	}
}