package responses

import (
	"time"
)

// SubscriptionInfoResponse 订阅详情响应
type SubscriptionInfoResponse struct {
	ID         string                    `json:"id" comment:"订阅ID"`
	UserID     string                    `json:"user_id" comment:"用户ID"`
	ProductID  string                    `json:"product_id" comment:"产品ID"`
	Price      float64                   `json:"price" comment:"订阅价格"`
	APIUsed    int64                     `json:"api_used" comment:"已使用API调用次数"`
	
	// 关联信息
	Product *ProductSimpleResponse `json:"product,omitempty" comment:"产品信息"`
	
	CreatedAt time.Time `json:"created_at" comment:"创建时间"`
	UpdatedAt time.Time `json:"updated_at" comment:"更新时间"`
}

// SubscriptionListResponse 订阅列表响应
type SubscriptionListResponse struct {
	Total int64                    `json:"total" comment:"总数"`
	Page  int                      `json:"page" comment:"页码"`
	Size  int                      `json:"size" comment:"每页数量"`
	Items []SubscriptionInfoResponse `json:"items" comment:"订阅列表"`
}

// SubscriptionSimpleResponse 订阅简单信息响应
type SubscriptionSimpleResponse struct {
	ID        string                    `json:"id" comment:"订阅ID"`
	ProductID string                    `json:"product_id" comment:"产品ID"`
	Price     float64                   `json:"price" comment:"订阅价格"`
	APIUsed   int64                     `json:"api_used" comment:"已使用API调用次数"`
}

// SubscriptionUsageResponse 订阅使用情况响应
type SubscriptionUsageResponse struct {
	ID                string `json:"id" comment:"订阅ID"`
	ProductID         string `json:"product_id" comment:"产品ID"`
	APIUsed           int64  `json:"api_used" comment:"已使用API调用次数"`
}

// SubscriptionStatsResponse 订阅统计响应
type SubscriptionStatsResponse struct {
	TotalSubscriptions    int64 `json:"total_subscriptions" comment:"订阅总数"`
	TotalRevenue          float64 `json:"total_revenue" comment:"总收入"`
}