package service

import (
	"testing"

	"git.apinb.com/heqiapp/platforms/backend/iot-server/internal/config"
)

func TestDeviceIDFromTopic(t *testing.T) {
	cfg := config.Config{MQTT: config.MQTT{UpTopic: "devices/+/up", AckTopic: "devices/+/ack"}}
	for _, topic := range []string{"devices/0000000000000001/up", "devices/0000000000000001/ack"} {
		identity, ok := deviceIDFromTopic(cfg, topic)
		if !ok || identity != "0000000000000001" {
			t.Fatalf("topic %s: identity=%q ok=%v", topic, identity, ok)
		}
	}
	for _, topic := range []string{"devices/0001/up", "devices/0000000000000001/down", "other/0000000000000001/up"} {
		if identity, ok := deviceIDFromTopic(cfg, topic); ok || identity != "" {
			t.Fatalf("invalid topic %s accepted as %q", topic, identity)
		}
	}
}