package product

import (
	"context"
	"tyapi-server/internal/application/product/dto/commands"
	"tyapi-server/internal/application/product/dto/queries"
	"tyapi-server/internal/application/product/dto/responses"
)

// ProductApplicationService 产品应用服务接口
type ProductApplicationService interface {
	// 产品管理
	CreateProduct(ctx context.Context, cmd *commands.CreateProductCommand) error
	UpdateProduct(ctx context.Context, cmd *commands.UpdateProductCommand) error
	DeleteProduct(ctx context.Context, cmd *commands.DeleteProductCommand) error
	GetProductByID(ctx context.Context, query *queries.GetProductQuery) (*responses.ProductInfoResponse, error)
	ListProducts(ctx context.Context, query *queries.ListProductsQuery) (*responses.ProductListResponse, error)
	GetProductsByIDs(ctx context.Context, query *queries.GetProductsByIDsQuery) ([]*responses.ProductInfoResponse, error)
	
	// 产品状态管理
	EnableProduct(ctx context.Context, cmd *commands.EnableProductCommand) error
	DisableProduct(ctx context.Context, cmd *commands.DisableProductCommand) error
	ShowProduct(ctx context.Context, cmd *commands.ShowProductCommand) error
	HideProduct(ctx context.Context, cmd *commands.HideProductCommand) error
	
	// SEO管理
	UpdateProductSEO(ctx context.Context, cmd *commands.UpdateProductSEOCommand) error
	
	// 业务查询
	GetSubscribableProducts(ctx context.Context, query *queries.GetSubscribableProductsQuery) ([]*responses.ProductInfoResponse, error)
	GetProductStats(ctx context.Context) (*responses.ProductStatsResponse, error)
}

// CategoryApplicationService 分类应用服务接口
type CategoryApplicationService interface {
	// 分类管理
	CreateCategory(ctx context.Context, cmd *commands.CreateCategoryCommand) error
	UpdateCategory(ctx context.Context, cmd *commands.UpdateCategoryCommand) error
	DeleteCategory(ctx context.Context, cmd *commands.DeleteCategoryCommand) error
	GetCategoryByID(ctx context.Context, query *queries.GetCategoryQuery) (*responses.CategoryInfoResponse, error)
	ListCategories(ctx context.Context, query *queries.ListCategoriesQuery) (*responses.CategoryListResponse, error)
	
	// 分类状态管理
	EnableCategory(ctx context.Context, cmd *commands.EnableCategoryCommand) error
	DisableCategory(ctx context.Context, cmd *commands.DisableCategoryCommand) error
	ShowCategory(ctx context.Context, cmd *commands.ShowCategoryCommand) error
	HideCategory(ctx context.Context, cmd *commands.HideCategoryCommand) error
	
	// 分类结构管理
	MoveCategory(ctx context.Context, cmd *commands.MoveCategoryCommand) error
	GetCategoryTree(ctx context.Context, query *queries.GetCategoryTreeQuery) (*responses.CategoryTreeResponse, error)
	GetCategoriesByLevel(ctx context.Context, query *queries.GetCategoriesByLevelQuery) ([]*responses.CategoryInfoResponse, error)
	GetCategoryPath(ctx context.Context, query *queries.GetCategoryPathQuery) (*responses.CategoryPathResponse, error)
	
	// 统计
	GetCategoryStats(ctx context.Context) (*responses.CategoryStatsResponse, error)
}

// SubscriptionApplicationService 订阅应用服务接口
type SubscriptionApplicationService interface {
	// 订阅管理
	CreateSubscription(ctx context.Context, cmd *commands.CreateSubscriptionCommand) error
	UpdateSubscription(ctx context.Context, cmd *commands.UpdateSubscriptionCommand) error
	GetSubscriptionByID(ctx context.Context, query *queries.GetSubscriptionQuery) (*responses.SubscriptionInfoResponse, error)
	ListSubscriptions(ctx context.Context, query *queries.ListSubscriptionsQuery) (*responses.SubscriptionListResponse, error)
	
	// API使用管理
	UpdateAPIUsage(ctx context.Context, cmd *commands.UpdateAPIUsageCommand) error
	ResetAPIUsage(ctx context.Context, cmd *commands.ResetAPIUsageCommand) error
	
	// 业务查询
	GetUserSubscriptions(ctx context.Context, query *queries.GetUserSubscriptionsQuery) ([]*responses.SubscriptionInfoResponse, error)
	GetProductSubscriptions(ctx context.Context, query *queries.GetProductSubscriptionsQuery) ([]*responses.SubscriptionInfoResponse, error)
	GetSubscriptionUsage(ctx context.Context, subscriptionID string) (*responses.SubscriptionUsageResponse, error)
	
	// 统计
	GetSubscriptionStats(ctx context.Context) (*responses.SubscriptionStatsResponse, error)
}