package platform

import (
	"runtime"
	"testing"
)

func TestDetect(t *testing.T) {
	p := Detect()

	if p.OS != runtime.GOOS {
		t.Errorf("expected OS=%s, got %s", runtime.GOOS, p.OS)
	}
	if p.Arch != runtime.GOARCH {
		t.Errorf("expected Arch=%s, got %s", runtime.GOARCH, p.Arch)
	}
	if runtime.GOOS == "linux" && !p.IsLinux {
		t.Error("expected IsLinux=true on Linux")
	}
}

func TestDataDir(t *testing.T) {
	p := Detect()
	dir := p.DataDir()
	if dir == "" {
		t.Error("DataDir should not be empty")
	}
}

func TestConfigDir(t *testing.T) {
	p := Detect()
	dir := p.ConfigDir()
	if dir == "" {
		t.Error("ConfigDir should not be empty")
	}
}

func TestCacheDir(t *testing.T) {
	p := Detect()
	dir := p.CacheDir()
	if dir == "" {
		t.Error("CacheDir should not be empty")
	}
}

func TestSummary(t *testing.T) {
	p := Detect()
	s := p.Summary()
	if s == "" {
		t.Error("Summary should not be empty")
	}
	// Should contain the OS name
	if len(s) < 3 {
		t.Errorf("Summary too short: %s", s)
	}
}

func TestDefaultNATSURL(t *testing.T) {
	p := Detect()
	url := p.DefaultNATSURL()
	if url != "nats://localhost:4222" {
		t.Errorf("expected nats://localhost:4222, got %s", url)
	}
}