/*
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 utils

import (
	"reflect"
	"sort"
	"testing"
)

func TestConvertMapValStrIf(t *testing.T) {
	var mapIn map[string]string
	var mapOut map[string]any
	if rcv := ConvertMapValStrIf(mapIn); reflect.TypeOf(rcv) != reflect.TypeOf(mapOut) {
		t.Errorf("Expecting: %+v, received: %+v", reflect.TypeOf(mapOut), reflect.TypeOf(rcv))
	}
	mapIn = map[string]string{"test1": "_test1_", "test2": "_test2_"}
	if rcv := ConvertMapValStrIf(mapIn); reflect.TypeOf(rcv) != reflect.TypeOf(mapOut) {
		t.Errorf("Expecting: %+v, received: %+v", reflect.TypeOf(mapOut), reflect.TypeOf(rcv))
	} else if !reflect.DeepEqual(mapIn["test1"], rcv["test1"]) {
		t.Errorf("Expecting: %+v, received: %+v", mapIn["test1"], rcv["test1"])
	} else if len(rcv) != len(mapIn) {
		t.Errorf("Expecting: %+v, received: %+v", len(mapIn), len(rcv))
	}
}

func TestMirrorMap(t *testing.T) {
	var mapIn map[string]string
	if rcv := MirrorMap(mapIn); reflect.DeepEqual(rcv, mapIn) {
		t.Errorf("Expecting: %+v, received: %+v", reflect.TypeOf(mapIn), reflect.TypeOf(rcv))
	} else if len(rcv) != 0 {
		t.Errorf("Expecting: %+v, received: %+v", 0, len(rcv))
	}
	mapIn = map[string]string{"test1": "_test1_", "test2": "_test2_"}
	eOut := map[string]string{"_test1_": "test1", "_test2_": "test2"}
	if rcv := MirrorMap(mapIn); reflect.DeepEqual(rcv, mapIn) {
		t.Errorf("Expecting: %+v, received: %+v", reflect.TypeOf(mapIn), reflect.TypeOf(rcv))
	} else if !reflect.DeepEqual(eOut, rcv) {
		t.Errorf("Expecting: %+v, received: %+v", eOut, rcv)
	}
}

func TestMissingMapKeys(t *testing.T) {
	mapIn := map[string]string{}
	requiredKeys := []string{}
	if rcv := MissingMapKeys(mapIn, requiredKeys); len(rcv) != 0 {
		t.Errorf("Expecting: %+v, received: %+v", 0, len(rcv))
	}

	mapIn = map[string]string{"test1": "_test1_", "test2": "_test2_"}
	requiredKeys = []string{"test1", "test2"}
	if rcv := MissingMapKeys(mapIn, requiredKeys); len(rcv) != 0 {
		t.Errorf("Expecting: %+v, received: %+v", 0, len(rcv))
	}

	mapIn = map[string]string{"test1": "_test1_", "test2": "_test2_"}
	requiredKeys = []string{"test2", "test3"}
	if rcv := MissingMapKeys(mapIn, requiredKeys); len(rcv) != 1 {
		t.Errorf("Expecting: %+v, received: %+v", 1, len(rcv))
	} else if !reflect.DeepEqual([]string{"test3"}, rcv) {
		t.Errorf("Expecting: %+v, received: %+v", []string{"test3"}, rcv)
	}

	requiredKeys = []string{"test3", "test4"}
	eOut := []string{"test3", "test4"}
	if rcv := MissingMapKeys(mapIn, requiredKeys); len(rcv) != 2 {
		t.Errorf("Expecting: %+v, received: %+v", 2, len(rcv))
	} else if !reflect.DeepEqual(eOut, rcv) {
		t.Errorf("Expecting: %+v, received: %+v", eOut, rcv)
	}
}

func TestMapKeys(t *testing.T) {
	mapIn := map[string]string{"test1": "_test1_", "test2": "_test2_"}
	eOut := []string{"test1", "test2"}
	rcv := MapKeys(mapIn)
	sort.Slice(rcv, func(i, j int) bool { return rcv[i] < rcv[j] })
	if !reflect.DeepEqual(eOut, rcv) {
		t.Errorf("Expecting: %+v, received: %+v", eOut, rcv)
	}
	mapIn = map[string]string{"test1": "_test1_", "test2": "_test2_", "test3": "_test3_", "test4": "_test4_"}
	eOut = []string{"test1", "test2", "test3", "test4"}
	rcv = MapKeys(mapIn)
	sort.Slice(rcv, func(i, j int) bool { return rcv[i] < rcv[j] })
	if !reflect.DeepEqual(eOut, rcv) {
		t.Errorf("Expecting: %+v, received: %+v", eOut, rcv)
	}
}

func TestMapNewStringMap(t *testing.T) {
	tests := []struct {
		name string
		args []string
		want StringMap
	}{
		{
			name: "testing both return cases",
			args: []string{"!negative", "positive"},
			want: StringMap{"negative": false, "positive": true},
		},
	}
	for _, tt := range tests {
		t.Run(tt.name, func(t *testing.T) {
			if got := NewStringMap(tt.args...); !reflect.DeepEqual(got, tt.want) {
				t.Errorf("NewStringMap() = %v, want %v", got, tt.want)
			}
		})
	}
}

func TestMapKeysStringMapParse(t *testing.T) {
	if sm := ParseStringMap(EmptyString); len(sm) != 0 {
		t.Errorf("Expecting %+v, received %+v", 0, len(sm))
	}
	if sm := ParseStringMap(ZERO); len(sm) != 0 {
		t.Errorf("Expecting %+v, received %+v", 0, len(sm))
	}
	if sm := ParseStringMap("1;2;3;4"); len(sm) != 4 {
		t.Error("Error pasring map: ", sm)
	}
	if sm := ParseStringMap("1;2;!3;4"); len(sm) != 4 {
		t.Error("Error pasring map: ", sm)
	} else if sm["3"] != false {
		t.Error("Error parsing negative: ", sm)
	}
	sm := ParseStringMap("1;2;!3;4")
	if include, has := sm["2"]; include != true && has != true {
		t.Error("Error detecting positive: ", sm)
	}
	if include, has := sm["3"]; include != false && has != true {
		t.Error("Error detecting negative: ", sm)
	}
	if include, has := sm["5"]; include != false && has != false {
		t.Error("Error detecting missing: ", sm)
	}
}

func TestMapMergeMapsStringIface(t *testing.T) {
	mp1 := map[string]any{
		"Hdr1": "Val1",
		"Hdr2": "Val2",
		"Hdr3": "Val3",
	}
	mp2 := map[string]any{
		"Hdr3": "Val4",
		"Hdr4": "Val4",
	}
	eMergedMap := map[string]any{
		"Hdr1": "Val1",
		"Hdr2": "Val2",
		"Hdr3": "Val4",
		"Hdr4": "Val4",
	}
	if mergedMap := MergeMapsStringIface(mp1, mp2); !reflect.DeepEqual(eMergedMap, mergedMap) {
		t.Errorf("Expecting: %+v, received: %+v", eMergedMap, mergedMap)
	}
}

func TestMapEqual(t *testing.T) {
	tests := []struct {
		name string
		sm   StringMap
		args StringMap
		want bool
	}{
		{
			name: "sm is nil and argument is not nil",
			sm:   nil,
			args: StringMap{"test": false},
			want: false,
		},
		{
			name: "different lengths",
			sm:   StringMap{"test1": true, "test2": true},
			args: StringMap{"test1": true},
			want: false,
		},
		{
			name: "different values",
			sm:   StringMap{"test1": true},
			args: StringMap{"test1": false},
			want: false,
		},
		{
			name: "same keys and values are true",
			sm:   StringMap{"test": true, "test1": true},
			args: StringMap{"test": true, "test1": true},
			want: true,
		},
	}
	for _, tt := range tests {
		t.Run(tt.name, func(t *testing.T) {
			if got := tt.sm.Equal(tt.args); got != tt.want {
				t.Errorf("StringMap.Equal() = %v, want %v", got, tt.want)
			}
		})
	}
}

func TestMapIncludes(t *testing.T) {
	tests := []struct {
		name string
		sm   StringMap
		args StringMap
		want bool
	}{
		{
			name: "different lengths",
			sm:   StringMap{"test": false},
			args: StringMap{"test": false, "test1": true},
			want: false,
		},
		{
			name: "sm does not have all the keys of the argument",
			sm:   StringMap{"test": true, "test1": true},
			args: StringMap{"test2": true, "test3": false},
			want: false,
		},
		{
			name: "sm contains all the keys of the argument",
			sm:   StringMap{"test": true, "test1": true, "test2": true},
			args: StringMap{"test": true, "test1": true},
			want: true,
		},
	}
	for _, tt := range tests {
		t.Run(tt.name, func(t *testing.T) {
			if got := tt.sm.Includes(tt.args); got != tt.want {
				t.Errorf("StringMap.Includes() = %v, want %v", got, tt.want)
			}
		})
	}
}

func TestMapSlice(t *testing.T) {
	tests := []struct {
		name string
		sm   StringMap
		want []string
	}{
		{
			name: "testing Slice",
			sm:   StringMap{"test1": true, "test2": true, "test3": false},
			want: []string{"test1", "test2", "test3"},
		},
	}
	for _, tt := range tests {
		t.Run(tt.name, func(t *testing.T) {
			got := tt.sm.Slice()
			sort.Strings(got)

			if !reflect.DeepEqual(got, tt.want) {
				t.Errorf("StringMap.Slice() = %v, want %v", got, tt.want)
			}
		})
	}
}

func TestMapStringMap_Copy(t *testing.T) {
	tests := []struct {
		name string
		sm   StringMap
		args StringMap
	}{
		{
			name: "testing Copy",
			sm:   StringMap{},
			args: StringMap{"test1": false, "test2": true},
		},
	}
	for _, tt := range tests {
		t.Run(tt.name, func(t *testing.T) {
			tt.sm.Copy(tt.args)
			if !reflect.DeepEqual(tt.sm, tt.args) {
				t.Errorf("sm %v, want %v", tt.sm, tt.args)
			}
		})
	}
}

func TestMapClone(t *testing.T) {
	tests := []struct {
		name string
		sm   StringMap
		want StringMap
	}{
		{
			name: "testinf Clone",
			sm:   StringMap{"test1": true, "test2": false},
			want: StringMap{"test1": true, "test2": false},
		},
	}
	for _, tt := range tests {
		t.Run(tt.name, func(t *testing.T) {
			if got := tt.sm.Clone(); !reflect.DeepEqual(got, tt.want) {
				t.Errorf("StringMap.Clone() = %v, want %v", got, tt.want)
			}
		})
	}
}

func TestMapGetOne(t *testing.T) {
	tests := []struct {
		name string
		sm   StringMap
		want string
	}{
		{
			name: "empty StringMap",
			sm:   StringMap{},
			want: EmptyString,
		},
		{
			name: "StringMap with values",
			sm:   StringMap{"test1": true},
			want: "test1",
		},
	}
	for _, tt := range tests {
		t.Run(tt.name, func(t *testing.T) {
			if got := tt.sm.GetOne(); got != tt.want {
				t.Errorf("StringMap.GetOne() = %v, want %v", got, tt.want)
			}
		})
	}
}

func TestMapJoin(t *testing.T) {
	tests := []struct {
		name string
		sm   StringMap
		args []StringMap
		want StringMap
	}{
		{
			name: "testing Join",
			sm:   StringMap{"test1": true, "test2": true},
			args: []StringMap{{"test3": false, "test4": true}, {"test5": true}},
			want: StringMap{"test1": true, "test2": true, "test3": false, "test4": true, "test5": true},
		},
	}
	for _, tt := range tests {
		t.Run(tt.name, func(t *testing.T) {
			tt.sm.Join(tt.args...)
			if !reflect.DeepEqual(tt.sm, tt.want) {
				t.Errorf("sm %v, want %v", tt.sm, tt.want)
			}
		})
	}
}

func TestMapString(t *testing.T) {
	tests := []struct {
		name  string
		sm    StringMap
		want1 string
		want2 string
	}{
		{
			name:  "testing string",
			sm:    StringMap{"test1": true, "test2": false},
			want1: "test1;test2",
			want2: "test2;test1",
		},
	}
	for _, tt := range tests {
		t.Run(tt.name, func(t *testing.T) {
			if got := tt.sm.String(); got != tt.want1 && got != tt.want2 {
				t.Errorf("StringMap.String() = %v", got)
			}
		})
	}
}

func TestMapFieldMultiplyFactorClone(t *testing.T) {
	tests := []struct {
		name    string
		fmp     FieldMultiplyFactor
		wantCln FieldMultiplyFactor
	}{
		{
			name:    "testing FieldMultiplyFactor.Clone",
			fmp:     FieldMultiplyFactor{"test": 0.5, "test2": 1.2},
			wantCln: FieldMultiplyFactor{"test": 0.5, "test2": 1.2},
		},
	}
	for _, tt := range tests {
		t.Run(tt.name, func(t *testing.T) {
			if gotCln := tt.fmp.Clone(); !reflect.DeepEqual(gotCln, tt.wantCln) {
				t.Errorf("FieldMultiplyFactor.Clone() = %v, want %v", gotCln, tt.wantCln)
			}
		})
	}
}

func TestMapStringToInt64(t *testing.T) {
	tests := []struct {
		name string
		args map[string]string
		want map[string]int64
		err  bool
	}{
		{
			name: "testing MapToStringInt64",
			args: map[string]string{"test": "1", "test2": "4"},
			want: map[string]int64{"test": 1, "test2": 4},
			err:  false,
		},
		{
			name: "passing invalid string value",
			args: map[string]string{"test": "abc"},
			want: nil,
			err:  true,
		},
	}

	for _, tt := range tests {
		t.Run(tt.name, func(t *testing.T) {
			got, err := MapStringToInt64(tt.args)

			if tt.err {
				if err == nil {
					t.Error("was expecting an error but didn't get one")
				}
			} else {
				if err != nil {
					t.Fatal(err)
				}
			}

			if !reflect.DeepEqual(got, tt.want) {
				t.Errorf("got = %v, want %v", got, tt.want)
			}
		})
	}
}

func TestIsEmpty(t *testing.T) {
	t1 := NewStringMap("val1")
	result := t1.IsEmpty()
	expected := false
	if result != expected {
		t.Error("Expecting:", expected, ", received:", result)
	}
}

func TestMapHasKey(t *testing.T) {
	mp := ParseStringMap("Item1;Item2;Item3")
	if mp.HasKey("Item1") != true {
		t.Errorf("Expecting: true, received: %+v", mp.HasKey("Item1"))
	}
	if mp.HasKey("Item4") != false {
		t.Errorf("Expecting: true, received: %+v", mp.HasKey("Item4"))
	}

}

func TestMapSubsystemIDsFromSlice(t *testing.T) {
	sls := []string{"*event", "*thresholds:ID1;ID2;ID3", "*attributes", "*stats:ID"}
	eMp := FlagsWithParams{
		"*event":      []string{},
		"*thresholds": []string{"ID1", "ID2", "ID3"},
		"*attributes": []string{},
		"*stats":      []string{"ID"},
	}
	if mp, err := FlagsWithParamsFromSlice(sls); err != nil {
		t.Error(err)
	} else if !reflect.DeepEqual(mp, eMp) {
		t.Errorf("Expecting: %+v, received: %+v", eMp, mp)
	}
}

func TestMapSubsystemIDsFromSliceWithErr(t *testing.T) {
	sls := []string{"*event", "*thresholds:ID1;ID2;ID3:error:", "*attributes", "*stats:ID"}

	if _, err := FlagsWithParamsFromSlice(sls); err != ErrUnsupportedFormat {
		t.Error(err)
	}
}

func TestMapSubsystemIDsHasKey(t *testing.T) {
	sls := []string{"*event", "*thresholds:ID1;ID2;ID3", "*attributes", "*stats:ID"}
	eMp := FlagsWithParams{
		"*event":      []string{},
		"*thresholds": []string{"ID1", "ID2", "ID3"},
		"*attributes": []string{},
		"*stats":      []string{"ID"},
	}
	mp, err := FlagsWithParamsFromSlice(sls)
	if err != nil {
		t.Error(err)
	} else if !reflect.DeepEqual(mp, eMp) {
		t.Errorf("Expecting: %+v, received: %+v", eMp, mp)
	}
	if has := mp.HasKey("*event"); !has {
		t.Errorf("Expecting: true, received: %+v", has)
	}
	if has := mp.HasKey("*thresholds"); !has {
		t.Errorf("Expecting: true, received: %+v", has)
	}
	if has := mp.HasKey("*resources"); has {
		t.Errorf("Expecting: false, received: %+v", has)
	}
}

func TestMapSubsystemIDsGetIDs(t *testing.T) {
	sls := []string{"*event", "*thresholds:ID1;ID2;ID3", "*attributes", "*stats:ID"}
	eMp := FlagsWithParams{
		"*event":      []string{},
		"*thresholds": []string{"ID1", "ID2", "ID3"},
		"*attributes": []string{},
		"*stats":      []string{"ID"},
	}
	mp, err := FlagsWithParamsFromSlice(sls)
	if err != nil {
		t.Error(err)
	} else if !reflect.DeepEqual(mp, eMp) {
		t.Errorf("Expecting: %+v, received: %+v", eMp, mp)
	}
	eIDs := []string{"ID1", "ID2", "ID3"}
	if ids := mp.ParamsSlice("*thresholds"); !reflect.DeepEqual(ids, eIDs) {
		t.Errorf("Expecting: %+v, received: %+v", eIDs, ids)
	}
	eIDs = []string{}
	if ids := mp.ParamsSlice("*event"); !reflect.DeepEqual(ids, eIDs) {
		t.Errorf("Expecting: %+v, received: %+v", eIDs, ids)
	}
	eIDs = nil
	if ids := mp.ParamsSlice("*test"); !reflect.DeepEqual(ids, eIDs) {
		t.Errorf("Expecting: %+v, received: %+v", eIDs, ids)
	}
}

func TestMapFlagsToSlice(t *testing.T) {
	sls := []string{"*event", "*thresholds:ID1;ID2;ID3", "*attributes", "*stats:ID"}
	eMp := FlagsWithParams{
		"*event":      []string{},
		"*thresholds": []string{"ID1", "ID2", "ID3"},
		"*attributes": []string{},
		"*stats":      []string{"ID"},
	}
	mp, err := FlagsWithParamsFromSlice(sls)
	if err != nil {
		t.Error(err)
	} else if !reflect.DeepEqual(mp, eMp) {
		t.Errorf("Expecting: %+v, received: %+v", eMp, mp)
	}
	sort.Strings(sls)
	flgSls := mp.SliceFlags()
	sort.Strings(flgSls)
	if !reflect.DeepEqual(flgSls, sls) {
		t.Errorf("Expecting: %+v, received: %+v", sls, flgSls)
	}
}

func TestMapFlagsWithParamsGetBool(t *testing.T) {
	flagsWithParams := &FlagsWithParams{
		"test":  []string{"string1", "string2"},
		"test2": []string{"true", "string2"},
		"empty": []string{},
	}
	key := "notpresent"
	if rcv := flagsWithParams.GetBool(key); rcv != false {
		t.Errorf("Expecting: false, received: %+v", ToJSON(rcv))
	}
	key = "empty"
	if rcv := flagsWithParams.GetBool(key); rcv != true {
		t.Errorf("Expecting: false, received: %+v", ToJSON(rcv))
	}
	key = "test"
	if rcv := flagsWithParams.GetBool(key); rcv != false {
		t.Errorf("Expecting: false, received: %+v", ToJSON(rcv))
	}
	key = "test2"
	if rcv := flagsWithParams.GetBool(key); rcv != true {
		t.Errorf("Expecting: true, received: %+v", ToJSON(rcv))
	}
}
func TestMapFlagsWithParamsValue(t *testing.T) {
	flagsWithParams := &FlagsWithParams{
		"test":  []string{"string2"},
		"empty": []string{},
	}
	key := "notpresent"
	if rcv := flagsWithParams.ParamValue(key); rcv != EmptyString {
		t.Errorf("Expecting: %q, received: %+v", EmptyString, rcv)
	}
	key = "empty"
	if rcv := flagsWithParams.ParamValue(key); rcv != EmptyString {
		t.Errorf("Expecting: %q, received: %+v", EmptyString, rcv)
	}
	key = "test"
	if rcv := flagsWithParams.ParamValue(key); rcv != "string2" {
		t.Errorf("Expecting: string2, received: %+v", rcv)
	}
}