package main

import (
	"os"
	"path/filepath"
	"testing"

	"fiatjaf.com/nostr"
)

func TestDevKeyPersistsAcrossCalls(t *testing.T) {
	t.Setenv("RELAY_SECRET_KEY", "")
	t.Setenv("RELAY_ENV", "")
	dir := t.TempDir()

	first := loadOrGenerateKey(dir)
	// The key file should now exist and a second call must return the same key.
	if _, err := os.Stat(filepath.Join(dir, "relay.key")); err != nil {
		t.Fatalf("dev key not persisted: %v", err)
	}
	second := loadOrGenerateKey(dir)
	if first != second {
		t.Fatal("dev identity should be stable across restarts")
	}
}

func TestExplicitKeyIsUsed(t *testing.T) {
	sk := nostr.Generate()
	t.Setenv("RELAY_SECRET_KEY", sk.Hex())
	t.Setenv("RELAY_ENV", "production") // explicit key wins even in production
	got := loadOrGenerateKey(t.TempDir())
	if got != sk {
		t.Fatal("explicit RELAY_SECRET_KEY should be used verbatim")
	}
}

// Note: the production-without-key path calls log.Fatal (os.Exit), which can't
// be exercised in-process without a subprocess harness; its behavior is simple
// and covered by manual verification + the isProduction() guard below.
func TestIsProduction(t *testing.T) {
	t.Setenv("RELAY_ENV", "production")
	if !isProduction() {
		t.Fatal("RELAY_ENV=production should be detected")
	}
	t.Setenv("RELAY_ENV", "")
	if isProduction() {
		t.Fatal("unset RELAY_ENV should not be production")
	}
}