package service

import (
	"gotest/internal/repository"
)

// AppService 应用服务
type AppService struct {
	repo *repository.AppRepository
}

// NewAppService 创建应用服务实例
func NewAppService(repo *repository.AppRepository) *AppService {
	return &AppService{repo: repo}
}

// ListCategories 获取应用分类
func (s *AppService) ListCategories() (interface{}, error) {
	return s.repo.ListCategories()
}

// ListApps 获取应用列表
func (s *AppService) ListApps(categoryID uint, keyword, sort string, page, pageSize int) (map[string]interface{}, error) {
	apps, total, err := s.repo.ListApps(categoryID, keyword, sort, page, pageSize)
	if err != nil {
		return nil, err
	}
	return map[string]interface{}{
		"list":      apps,
		"total":     total,
		"page":      page,
		"page_size": pageSize,
	}, nil
}

// GetApp 获取应用详情
func (s *AppService) GetApp(id uint) (interface{}, error) {
	return s.repo.GetApp(id)
}

// ListFeatured 获取精选应用
func (s *AppService) ListFeatured(limit int) (interface{}, error) {
	return s.repo.ListFeaturedApps(limit)
}

// ListNew 获取新上架应用
func (s *AppService) ListNew(limit int) (interface{}, error) {
	return s.repo.ListNewApps(limit)
}

// GetHomeData 获取应用首页数据（分类 + 精选 + 新上架）
func (s *AppService) GetHomeData() (map[string]interface{}, error) {
	categories, err := s.repo.ListCategories()
	if err != nil {
		return nil, err
	}
	featured, err := s.repo.ListFeaturedApps(8)
	if err != nil {
		return nil, err
	}
	newApps, err := s.repo.ListNewApps(4)
	if err != nil {
		return nil, err
	}
	return map[string]interface{}{
		"categories": categories,
		"featured":   featured,
		"new":        newApps,
	}, nil
}