package connection

import (
	"reflect"
	"testing"
)

func TestMQTTClient_CfgValidate(t *testing.T) {

	type args struct {
		props map[string]interface{}
	}
	tests := []struct {
		name    string
		args    args
		wantErr bool
	}{
		{
			name: "config pass",
			args: args{
				props: map[string]interface{}{
					"servers": []string{"tcp:127.0.0.1"},
				},
			},
			wantErr: false,
		},
		{
			name: "config are not case sensitive",
			args: args{
				props: map[string]interface{}{
					"SERVERS": []string{"tcp:127.0.0.1"},
				},
			},
			wantErr: false,
		},
		{
			name: "config server addr key error",
			args: args{
				props: map[string]interface{}{
					"server": []string{"tcp:127.0.0.1"},
				},
			},
			wantErr: true,
		},
		{
			name: "config have unwanted topic fields",
			args: args{
				props: map[string]interface{}{
					"servers": []string{"tcp:127.0.0.1"},
					"topic":   "demo",
				},
			},
			wantErr: true,
		},
		{
			name: "config no server addr",
			args: args{
				props: map[string]interface{}{
					"username": "user1",
				},
			},
			wantErr: true,
		},
		{
			name: "config no server addr",
			args: args{
				props: map[string]interface{}{
					"servers": []string{},
				},
			},
			wantErr: true,
		},
		{
			name: "config miss cert key file",
			args: args{
				props: map[string]interface{}{
					"servers":           []string{"tcp:127.0.0.1"},
					"certificationPath": "./not_exist.crt",
					"privateKeyPath":    "./not_exist.key",
				},
			},
			wantErr: true,
		},
	}
	for _, tt := range tests {
		t.Run(tt.name, func(t *testing.T) {
			ms := &MQTTClient{
				selector: &ConSelector{
					ConnSelectorCfg: "testSelector",
				},
			}
			err := ms.CfgValidate(tt.args.props)
			if (err != nil) != tt.wantErr {
				t.Errorf("CfgValidate() error = %v, wantErr %v", err, tt.wantErr)
			}
		})
	}
}

func TestMQTTClient_CfgResult(t *testing.T) {
	props := map[string]interface{}{
		"servers":  []string{"tcp:127.0.0.1:1883"},
		"USERNAME": "demo",
		"Password": "password",
		"clientID": "clientid",
	}

	ms := &MQTTClient{
		selector: &ConSelector{
			ConnSelectorCfg: "testSelector",
		},
	}

	_ = ms.CfgValidate(props)

	if !reflect.DeepEqual("tcp:127.0.0.1:1883", ms.srv) {
		t.Errorf("result mismatch:\n\n got=%#v\n\n", ms.srv)
	}
	if !reflect.DeepEqual("demo", ms.uName) {
		t.Errorf("result mismatch:\n\n got=%#v\n\n", ms.uName)
	}
	if !reflect.DeepEqual("password", ms.password) {
		t.Errorf("result mismatch:\n\n got=%#v\n\n", ms.password)
	}
	if !reflect.DeepEqual("clientid", ms.clientid) {
		t.Errorf("result mismatch:\n\n got=%#v\n\n", ms.clientid)
	}
	if !reflect.DeepEqual(uint(3), ms.pVersion) {
		t.Errorf("result mismatch:\n\n got=%#v\n\n", ms.pVersion)
	}

}