package services

import (
	"testing"

	"github.com/stretchr/testify/suite"
)

type UserServiceTestSuite struct {
	ServiceTestSuite
}

func TestUserServiceSuite(t *testing.T) {
	suite.Run(t, new(UserServiceTestSuite))
}

func (s *UserServiceTestSuite) TestRegisterByPhone() {
	user, err := s.svc.RegisterByPhone("13800138000")
	s.Require().NoError(err)
	s.NotEmpty(user.ID)
	s.Equal("13800138000", *user.Phone)
	s.Equal(0, user.Points)
}

func (s *UserServiceTestSuite) TestRegisterByPhone_Duplicate() {
	_, err := s.svc.RegisterByPhone("13800138001")
	s.Require().NoError(err)

	_, err = s.svc.RegisterByPhone("13800138001")
	s.Error(err)
	s.Contains(err.Error(), "已注册")
}

func (s *UserServiceTestSuite) TestGetByPhone() {
	created, err := s.svc.RegisterByPhone("13800138002")
	s.Require().NoError(err)

	found, err := s.svc.GetByPhone("13800138002")
	s.Require().NoError(err)
	s.Equal(created.ID, found.ID)
}

func (s *UserServiceTestSuite) TestGetByPhone_NotFound() {
	_, err := s.svc.GetByPhone("13800999999")
	s.Error(err)
}

func (s *UserServiceTestSuite) TestGetByID() {
	created, err := s.svc.RegisterByPhone("13800138003")
	s.Require().NoError(err)

	found, err := s.svc.GetByID(created.ID)
	s.Require().NoError(err)
	s.Equal(*created.Phone, *found.Phone)
}

func (s *UserServiceTestSuite) TestUpdateProfile() {
	user, err := s.svc.RegisterByPhone("13800138004")
	s.Require().NoError(err)

	updated, err := s.svc.UpdateProfile(user.ID, map[string]interface{}{
		"nickname": "TestUser",
		"bio":      "Hello",
	})
	s.Require().NoError(err)
	s.Equal("TestUser", *updated.Nickname)
	s.Equal("Hello", *updated.Bio)
}

func (s *UserServiceTestSuite) TestUpdateProfile_RejectInvalidFields() {
	user, err := s.svc.RegisterByPhone("13800138005")
	s.Require().NoError(err)

	updated, err := s.svc.UpdateProfile(user.ID, map[string]interface{}{
		"points": 9999, // points is not in the allowed list
	})
	s.Require().NoError(err)
	s.Equal(0, updated.Points) // should not have changed
}

func (s *UserServiceTestSuite) TestDeleteAccount() {
	user, err := s.svc.RegisterByPhone("13800138006")
	s.Require().NoError(err)

	err = s.svc.DeleteAccount(user.ID)
	s.Require().NoError(err)

	// After delete, the user still exists but fields are cleared
	deleted, err := s.svc.GetByID(user.ID)
	s.Require().NoError(err)
	s.Nil(deleted.Phone)
	s.Nil(deleted.Nickname)
}

func (s *UserServiceTestSuite) TestHashAndCheckPassword() {
	hash, err := HashPassword("my-secret-pwd")
	s.Require().NoError(err)
	s.NotEmpty(hash)

	s.True(CheckPassword(hash, "my-secret-pwd"))
	s.False(CheckPassword(hash, "wrong-password"))
}