package service

import (
	"testing"
)

func TestNewPublicTransportServiceLoadsFiles(t *testing.T) {
	svc, err := NewPublicTransportService("data")
	if err != nil {
		t.Fatalf("failed to initialize service: %v", err)
	}

	if svc == nil {
		t.Fatalf("service cannot be nil")
	}

	// metadata should exist (may be empty for fallback)
	_ = svc.GetMetadata()

	stops := svc.ListStops()
	if stops == nil {
		t.Fatalf("stops map must not be nil")
	}

	// Try reading a known GTFS file
	_, err = svc.ReadGTFSFile("README.txt")
	if err != nil {
		t.Logf("warning: unable to read README.txt from GTFS export: %v", err)
	}
}