package handler

import (
	"baron-sso-backend/internal/domain"
	"baron-sso-backend/internal/service"
	"context"
	"encoding/json"
	"net/http/httptest"
	"testing"

	"github.com/gofiber/fiber/v2"
	"github.com/stretchr/testify/assert"
	"github.com/stretchr/testify/mock"
)

// --- Mocks ---

type MockKratosAdminForUser struct {
	mock.Mock
}

func (m *MockKratosAdminForUser) GetIdentity(ctx context.Context, id string) (*service.KratosIdentity, error) {
	args := m.Called(ctx, id)
	if args.Get(0) == nil {
		return nil, args.Error(1)
	}
	return args.Get(0).(*service.KratosIdentity), args.Error(1)
}

func (m *MockKratosAdminForUser) ListIdentities(ctx context.Context) ([]service.KratosIdentity, error) {
	args := m.Called(ctx)
	return args.Get(0).([]service.KratosIdentity), args.Error(1)
}

// Note: In reality, KratosAdminService might not be an interface. 
// If it's a struct, we'd need to mock the underlying client or use an interface.
// For the sake of this test, let's assume we can mock it or use a wrapper.

func TestUserHandler_CreateUser_InvalidEmail(t *testing.T) {
	app := fiber.New()
	h := &UserHandler{}
	app.Post("/users", h.CreateUser)

	payload := map[string]string{
		"email": "invalid-email",
		"name":  "Test",
	}
	body, _ := json.Marshal(payload)
	req := httptest.NewRequest("POST", "/users", bytes.NewReader(body))
	req.Header.Set("Content-Type", "application/json")

	resp, _ := app.Test(req)
	assert.Equal(t, 400, resp.StatusCode)
}

func TestUserHandler_GetUser_Forbidden(t *testing.T) {
	app := fiber.New()
	mockKratos := new(MockKratosAdminForUser)
	// We need a way to inject mockKratos into UserHandler. 
	// Since UserHandler uses *service.KratosAdminService (struct), 
	// we'd typically use an interface here.
	// For now, let's just focus on the logic validation if possible.
}