package fingerprint

import (
	"testing"

	"ja4sentinel/api"
)

func TestFromClientHello(t *testing.T) {
	tests := []struct {
		name    string
		ch      api.TLSClientHello
		wantErr bool
	}{
		{
			name: "empty payload",
			ch: api.TLSClientHello{
				Payload: []byte{},
			},
			wantErr: true,
		},
		{
			name: "invalid payload",
			ch: api.TLSClientHello{
				Payload: []byte{0x00, 0x01, 0x02},
			},
			wantErr: true,
		},
	}

	for _, tt := range tests {
		t.Run(tt.name, func(t *testing.T) {
			engine := NewEngine()
			_, err := engine.FromClientHello(tt.ch)
			if (err != nil) != tt.wantErr {
				t.Errorf("FromClientHello() error = %v, wantErr %v", err, tt.wantErr)
			}
		})
	}
}

func TestNewEngine(t *testing.T) {
	engine := NewEngine()
	if engine == nil {
		t.Error("NewEngine() returned nil")
	}
}