// Package auth_test tests refresh token generation and hashing.
package auth_test

import (
	"testing"

	"messenger/internal/auth"
)

func TestGenerateAndHash(t *testing.T) {
	raw, hash, err := auth.GenerateRefreshToken()
	if err != nil {
		t.Fatalf("GenerateRefreshToken error: %v", err)
	}
	if raw == hash {
		t.Fatal("raw and hash should differ")
	}
	if auth.HashRefreshToken(raw) != hash {
		t.Fatal("HashRefreshToken mismatch")
	}
}

func TestGenerateRandomness(t *testing.T) {
	r1, _, _ := auth.GenerateRefreshToken()
	r2, _, _ := auth.GenerateRefreshToken()
	if r1 == r2 {
		t.Fatal("expected two different raw tokens")
	}
}

func TestRawLength(t *testing.T) {
	raw, _, err := auth.GenerateRefreshToken()
	if err != nil {
		t.Fatalf("GenerateRefreshToken error: %v", err)
	}
	if len(raw) != 64 {
		t.Fatalf("expected raw length 64, got %d", len(raw))
	}
}