package dto

import (
	"time"

	"github.com/gogf/gf/v2/frame/g"
)

// GetOrderStatisticsReq 获取订单统计数据请求
type GetOrderStatisticsReq struct {
	g.Meta     `path:"/getStatistics" method:"get" tags:"订单统计" summary:"获取订单统计数据" dc:"根据报表类型和日期获取订单统计数据"`
	TenantID   int64  `v:"required" json:"tenant_id" dc:"租户ID"`
	ReportType string `v:"required|in:daily,monthly,quarterly,yearly" json:"report_type" dc:"报表类型"`
	StartDate  string `json:"start_date,omitempty" dc:"开始日期"`
	EndDate    string `json:"end_date,omitempty" dc:"结束日期"`
}

// GetOrderStatisticsRes 获取订单统计数据响应
type GetOrderStatisticsRes struct {
	Statistics *OrderStatisticsDetail `json:"statistics"`
}

// OrderStatisticsDetail 订单统计详情
type OrderStatisticsDetail struct {
	ReportType string    `json:"report_type"`
	ReportDate time.Time `json:"report_date"`
	Period     string    `json:"period"`

	// 订单基础统计
	TotalOrders     int64 `json:"total_orders"`
	CompletedOrders int64 `json:"completed_orders"`
	CancelledOrders int64 `json:"cancelled_orders"`
	PaidOrders      int64 `json:"paid_orders"`

	// 金额统计（单位：分）
	TotalAmount  int64 `json:"total_amount"`
	PaidAmount   int64 `json:"paid_amount"`
	RefundAmount int64 `json:"refund_amount"`
	NetAmount    int64 `json:"net_amount"`

	// 业务指标
	AverageOrderValue int64   `json:"average_order_value"`
	PaymentRate       float64 `json:"payment_rate"`
	CompletionRate    float64 `json:"completion_rate"`

	// 用户统计
	UniqueUsers    int64 `json:"unique_users"`
	NewUsers       int64 `json:"new_users"`
	ReturningUsers int64 `json:"returning_users"`

	// 商品统计
	TotalItems    int64  `json:"total_items"`
	UniqueAssets  int64  `json:"unique_assets"`
	TopAssetID    string `json:"top_asset_id,omitempty"`
	TopAssetName  string `json:"top_asset_name,omitempty"`
	TopAssetCount int64  `json:"top_asset_count,omitempty"`

	// 时间统计
	CreatedAt time.Time `json:"created_at"`
	UpdatedAt time.Time `json:"updated_at"`
}

// GetOrderStatisticsListReq 获取订单统计列表请求
type GetOrderStatisticsListReq struct {
	g.Meta     `path:"/getStatisticsList" method:"get" tags:"订单统计" summary:"获取订单统计列表" dc:"分页获取订单统计列表"`
	TenantID   int64  `v:"required" json:"tenant_id" dc:"租户ID"`
	ReportType string `v:"required|in:daily,monthly,quarterly,yearly" json:"report_type" dc:"报表类型"`
	StartDate  string `json:"start_date,omitempty" dc:"开始日期"`
	EndDate    string `json:"end_date,omitempty" dc:"结束日期"`
	PageNum    int    `json:"page_num,omitempty" dc:"页码"`
	PageSize   int    `json:"page_size,omitempty" dc:"每页数量"`
}

// GetOrderStatisticsListRes 获取订单统计列表响应
type GetOrderStatisticsListRes struct {
	List       []*OrderStatisticsDetail `json:"list"`
	TotalCount int64                    `json:"total_count"`
	PageNum    int                      `json:"page_num"`
	PageSize   int                      `json:"page_size"`
}

// GenerateOrderStatisticsReq 生成订单统计数据请求
type GenerateOrderStatisticsReq struct {
	g.Meta     `path:"/generateStatistics" method:"post" tags:"订单统计" summary:"生成订单统计数据" dc:"手动触发生成指定日期的统计数据"`
	TenantID   int64  `v:"required" json:"tenant_id" dc:"租户ID"`
	ReportType string `v:"required|in:daily,monthly,quarterly,yearly" json:"report_type" dc:"报表类型"`
	ReportDate string `json:"report_date,omitempty" dc:"统计日期，格式YYYY-MM-DD"`
	Force      bool   `json:"force,omitempty" dc:"是否强制重新生成"`
}

// GenerateOrderStatisticsRes 生成订单统计数据响应
type GenerateOrderStatisticsRes struct {
	Success bool   `json:"success"`
	Message string `json:"message"`
}

// GetOrderTrendReq 获取订单趋势数据请求
type GetOrderTrendReq struct {
	g.Meta    `path:"/getTrend" method:"get" tags:"订单统计" summary:"获取订单趋势数据" dc:"获取指定时间范围内的订单趋势数据"`
	TenantID  int64  `v:"required" json:"tenant_id" dc:"租户ID"`
	StartDate string `v:"required" json:"start_date" dc:"开始日期，格式YYYY-MM-DD"`
	EndDate   string `v:"required" json:"end_date" dc:"结束日期，格式YYYY-MM-DD"`
	TrendType string `v:"required|in:revenue,orders,users" json:"trend_type" dc:"趋势类型：revenue-收入趋势，orders-订单趋势，users-用户趋势"`
}

// GetOrderTrendRes 获取订单趋势数据响应
type GetOrderTrendRes struct {
	TrendData []*TrendDataPoint `json:"trend_data"`
}

// TrendDataPoint 趋势数据点
type TrendDataPoint struct {
	Date  string `json:"date"`
	Value int64  `json:"value"`
	Label string `json:"label,omitempty"`
}

// GetTopAssetsReq 获取热门资产请求
type GetTopAssetsReq struct {
	g.Meta    `path:"/getTopAssets" method:"get" tags:"订单统计" summary:"获取热门资产" dc:"获取指定时间范围内的热门资产排行"`
	TenantID  int64  `v:"required" json:"tenant_id" dc:"租户ID"`
	StartDate string `v:"required" json:"start_date" dc:"开始日期，格式YYYY-MM-DD"`
	EndDate   string `v:"required" json:"end_date" dc:"结束日期，格式YYYY-MM-DD"`
	Limit     int    `json:"limit,omitempty" dc:"返回数量限制，默认10"`
}

// GetTopAssetsRes 获取热门资产响应
type GetTopAssetsRes struct {
	TopAssets []*AssetRanking `json:"top_assets"`
}

// AssetRanking 资产排行
type AssetRanking struct {
	AssetID     string `json:"asset_id"`
	AssetName   string `json:"asset_name"`
	AssetType   string `json:"asset_type"`
	OrderCount  int64  `json:"order_count"`
	TotalAmount int64  `json:"total_amount"`
	Quantity    int64  `json:"quantity"`
	Rank        int    `json:"rank"`
}