package nostr

import (
	"testing"
)

func TestNIP04RoundTrip(t *testing.T) {
	alice, err := GenerateKey()
	if err != nil {
		t.Fatal(err)
	}
	bob, err := GenerateKey()
	if err != nil {
		t.Fatal(err)
	}

	plaintext := "hello, private world!"

	ct, err := alice.NIP04Encrypt(bob.Public(), plaintext)
	if err != nil {
		t.Fatalf("encrypt: %v", err)
	}

	got, err := bob.NIP04Decrypt(alice.Public(), ct)
	if err != nil {
		t.Fatalf("decrypt: %v", err)
	}

	if got != plaintext {
		t.Fatalf("expected %q, got %q", plaintext, got)
	}
}

func TestNIP04DifferentKeys(t *testing.T) {
	alice, _ := GenerateKey()
	bob, _ := GenerateKey()
	eve, _ := GenerateKey()

	ct, err := alice.NIP04Encrypt(bob.Public(), "secret")
	if err != nil {
		t.Fatal(err)
	}

	// Eve should not be able to decrypt
	_, err = eve.NIP04Decrypt(alice.Public(), ct)
	if err == nil {
		t.Fatal("expected error decrypting with wrong key, got nil")
	}
}