package user

import (
	"resume-platform/internal/model"
	"resume-platform/internal/repository"

	"github.com/google/uuid"
)

type UserService interface {
	CreateUser(user *model.User) error
	GetUserByUsername(username string) (*model.User, error)
	GetUserByID(id string) (*model.User, error)
	GetAllUsers() ([]*model.User, error)
	GetUsersWithPagination(page, pageSize int) ([]*model.User, int, error)
	UpdateUser(id string, user *model.User) error
	DeleteUser(id string) error
}

type userService struct {
	repo repository.ResumeRepository
}

func NewUserService(repo repository.ResumeRepository) UserService {
	return &userService{repo: repo}
}

func (s *userService) CreateUser(user *model.User) error {
	if user.ID == "" {
		user.ID = uuid.New().String()
	}
	return s.repo.CreateUser(user)
}

func (s *userService) GetUserByUsername(username string) (*model.User, error) {
	return s.repo.GetUserByUsername(username)
}

func (s *userService) GetUserByID(id string) (*model.User, error) {
	return s.repo.GetUserByID(id)
}

func (s *userService) GetAllUsers() ([]*model.User, error) {
	return s.repo.GetAllUsers()
}

func (s *userService) GetUsersWithPagination(page, pageSize int) ([]*model.User, int, error) {
	return s.repo.GetUsersWithPagination(page, pageSize)
}

func (s *userService) UpdateUser(id string, user *model.User) error {
	return s.repo.UpdateUser(id, user)
}

func (s *userService) DeleteUser(id string) error {
	return s.repo.DeleteUser(id)
}