package system

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

	"github.com/google/uuid"
)

type SystemService interface {
	GetAllMenus() ([]*model.Menu, error)
	CreateMenu(menu *model.Menu) error
	UpdateMenu(id string, menu *model.Menu) error
	DeleteMenu(id string) error
	GetSystemConfig() (*model.SystemConfig, error)
	CreateSystemConfig(config *model.SystemConfig) error
	UpdateSystemConfig(id string, config *model.SystemConfig) error
	InitDefaultMenus() error
}

type systemService struct {
	repo repository.ResumeRepository
}

func NewSystemService(repo repository.ResumeRepository) SystemService {
	return &systemService{repo: repo}
}

func (s *systemService) GetAllMenus() ([]*model.Menu, error) {
	return s.repo.GetAllMenus()
}

func (s *systemService) CreateMenu(menu *model.Menu) error {
	if menu.ID == "" {
		menu.ID = uuid.New().String()
	}
	return s.repo.CreateMenu(menu)
}

func (s *systemService) UpdateMenu(id string, menu *model.Menu) error {
	return s.repo.UpdateMenu(id, menu)
}

func (s *systemService) DeleteMenu(id string) error {
	return s.repo.DeleteMenu(id)
}

func (s *systemService) GetSystemConfig() (*model.SystemConfig, error) {
	return s.repo.GetSystemConfig()
}

func (s *systemService) CreateSystemConfig(config *model.SystemConfig) error {
	if config.ID == "" {
		config.ID = "default"
	}
	return s.repo.CreateSystemConfig(config)
}

func (s *systemService) UpdateSystemConfig(id string, config *model.SystemConfig) error {
	return s.repo.UpdateSystemConfig(id, config)
}

func (s *systemService) InitDefaultMenus() error {
	menus, err := s.repo.GetAllMenus()
	if err != nil {
		return err
	}
	if len(menus) > 0 {
		return nil
	}

	defaultMenus := []*model.Menu{
		{ID: "menu-user", Name: "人员管理", Icon: "fas fa-users", Path: "user", ParentID: "", SortOrder: 1, IsFixed: true, IsEnabled: true},
		{ID: "menu-menu", Name: "菜单管理", Icon: "fas fa-list", Path: "menu", ParentID: "", SortOrder: 2, IsFixed: true, IsEnabled: true},
		{ID: "menu-settings", Name: "系统设置", Icon: "fas fa-cog", Path: "settings", ParentID: "", SortOrder: 3, IsFixed: true, IsEnabled: true},
	}

	for _, menu := range defaultMenus {
		if err := s.repo.CreateMenu(menu); err != nil {
			return err
		}
	}

	return nil
}