package borealis

import (
	"bytes"
	"encoding/json"
	"testing"
	"time"

	"github.com/segmentio/ksuid"
)

var expectedEvent = Event[string]{
	Type:         1,
	SequentialID: 2,
	Timestamp:    time.UnixMicro(1231006508004000),
	UniqueID:     ksuid.KSUID{245, 237, 93, 44, 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15},
	Payload:      "Testing",
}

var expectedRawEvent = RawEvent[string]{
	Version: V1MessageVersion,
	Envelop: Envelop{
		Type:         1,
		SequentialID: 2,
		TimestampS:   3,
		TimestampMS:  4,
		UniqueID:     [16]byte{0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15},
	},
	Payload: "Testing",
}

var expectedRawEventJSON = "[1,1,2,3,4,\"AAECAwQFBgcICQoLDA0ODw==\",\"Testing\"]"

var expectedRawEventCBOR = []byte{1, 165, 106, 101, 118, 101, 110, 116, 95, 116, 121, 112, 101, 1, 109, 115, 101, 113,
	117, 101, 110, 116, 105, 97, 108, 95, 105, 100, 2, 107, 116, 105, 109, 101, 115, 116, 97, 109, 112, 95, 115, 3,
	108, 116, 105, 109, 101, 115, 116, 97, 109, 112, 95, 109, 115, 4, 105, 117, 110, 105, 113, 117, 101, 95, 105, 100,
	80, 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 103, 84, 101, 115, 116, 105, 110, 103}

func TestNewRawEvent(t *testing.T) {
	_, err := NewRawEvent(0x1234, make(map[string]interface{}))
	if err != nil {
		t.Error(err)
	}
}

func TestCheckEvent(t *testing.T) {
	actualEvent, err := expectedRawEvent.Check()
	if err != nil {
		t.Error(err)
	}
	if !expectedEvent.Equal(*actualEvent) {
		t.Errorf("expected %v, but got %v", expectedEvent, actualEvent)
	}
}

func TestEncodeRawEventJSON(t *testing.T) {
	output, err := json.Marshal(expectedRawEvent)
	if err != nil {
		t.Error(err)
	}
	actual := string(output)
	if actual != expectedRawEventJSON {
		t.Errorf("expected %v, but got %v", expectedRawEventJSON, actual)
	}
}

func TestEncodeRawEventCBOR(t *testing.T) {
	actual, err := expectedRawEvent.EncodeCBOR()
	if err != nil {
		t.Error(err)
	}
	if !bytes.Equal(actual, expectedRawEventCBOR) {
		t.Errorf("expected %v, but got %v", expectedRawEventCBOR, actual)
	}
}

func TestDecodeRawEventJSON(t *testing.T) {
	var actual RawEvent[string]
	if err := json.Unmarshal([]byte(expectedRawEventJSON), &actual); err != nil {
		t.Error(err)
	}
	if !expectedRawEvent.Equal(actual) {
		t.Errorf("expected %v, but got %v", expectedRawEvent, actual)
	}
}
func TestDecodeRawEventCBOR(t *testing.T) {
	var actual RawEvent[string]
	if err := actual.DecodeCBOR(expectedRawEventCBOR); err != nil {
		t.Error(err)
	}
	if !expectedRawEvent.Equal(actual) {
		t.Errorf("expected %v, but got %v", expectedRawEvent, actual)
	}
}