package auth_test

import (
	"testing"
	"time"

	"github.com/stretchr/testify/assert"
	"github.com/stretchr/testify/require"

	"github.com/techxcar/backend/internal/auth"
)

const testSecret = "test-secret-32-chars-minimum-ok!"

func TestGenerateAndValidateAccessToken(t *testing.T) {
	token, err := auth.GenerateAccessToken("user-1", "tenant-1", "tenant_admin", testSecret)
	require.NoError(t, err)
	assert.NotEmpty(t, token)

	claims, err := auth.ValidateToken(token, testSecret)
	require.NoError(t, err)
	assert.Equal(t, "user-1", claims.UserID)
	assert.Equal(t, "tenant-1", claims.TenantID)
	assert.Equal(t, "tenant_admin", claims.Role)
	assert.True(t, claims.ExpiresAt.After(time.Now()))
	assert.True(t, claims.ExpiresAt.Before(time.Now().Add(16*time.Minute)))
}

func TestGenerateRefreshToken_longerExpiry(t *testing.T) {
	token, err := auth.GenerateRefreshToken("user-1", "", "super_admin", testSecret)
	require.NoError(t, err)

	claims, err := auth.ValidateToken(token, testSecret)
	require.NoError(t, err)
	assert.Empty(t, claims.TenantID)
	assert.Equal(t, "super_admin", claims.Role)
	assert.True(t, claims.ExpiresAt.After(time.Now().Add(29*24*time.Hour)))
}

func TestValidateToken_wrongSecret(t *testing.T) {
	token, err := auth.GenerateAccessToken("user-1", "t-1", "manager", testSecret)
	require.NoError(t, err)

	_, err = auth.ValidateToken(token, "different-secret-32chars-minimumx")
	assert.Error(t, err)
}

func TestValidateToken_malformed(t *testing.T) {
	_, err := auth.ValidateToken("not.a.jwt", testSecret)
	assert.Error(t, err)
}