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"
	"tyapi-server/internal/shared/interfaces"
)

// 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, filters map[string]interface{}, options interfaces.ListOptions) (*responses.ProductListResponse, error)
	GetProductsByIDs(ctx context.Context, query *queries.GetProductsByIDsQuery) ([]*responses.ProductInfoResponse, error)

	// 业务查询
	GetSubscribableProducts(ctx context.Context, query *queries.GetSubscribableProductsQuery) ([]*responses.ProductInfoResponse, error)
	GetProductStats(ctx context.Context) (*responses.ProductStatsResponse, error)

	// 组合包管理
	AddPackageItem(ctx context.Context, packageID string, cmd *commands.AddPackageItemCommand) error
	UpdatePackageItem(ctx context.Context, packageID, itemID string, cmd *commands.UpdatePackageItemCommand) error
	RemovePackageItem(ctx context.Context, packageID, itemID string) error
	ReorderPackageItems(ctx context.Context, packageID string, cmd *commands.ReorderPackageItemsCommand) error
	UpdatePackageItems(ctx context.Context, packageID string, cmd *commands.UpdatePackageItemsCommand) error
	GetAvailableProducts(ctx context.Context, query *queries.GetAvailableProductsQuery) (*responses.ProductListResponse, error)

	// API配置管理
	GetProductApiConfig(ctx context.Context, productID string) (*responses.ProductApiConfigResponse, error)
	CreateProductApiConfig(ctx context.Context, productID string, config *responses.ProductApiConfigResponse) error
	UpdateProductApiConfig(ctx context.Context, configID string, config *responses.ProductApiConfigResponse) error
	DeleteProductApiConfig(ctx context.Context, configID string) 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)
}

// SubscriptionApplicationService 订阅应用服务接口
type SubscriptionApplicationService interface {
	// 订阅管理
	UpdateSubscriptionPrice(ctx context.Context, cmd *commands.UpdateSubscriptionPriceCommand) error

	// 订阅管理
	CreateSubscription(ctx context.Context, cmd *commands.CreateSubscriptionCommand) error
	GetSubscriptionByID(ctx context.Context, query *queries.GetSubscriptionQuery) (*responses.SubscriptionInfoResponse, error)
	ListSubscriptions(ctx context.Context, query *queries.ListSubscriptionsQuery) (*responses.SubscriptionListResponse, 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)
}