package admindashboard

import "time"

type DashboardDTO struct {
	Metrics        MetricsDTO              `json:"metrics"`
	Pending        PendingDTO              `json:"pending"`
	ListingDaily   ListingDailyOverviewDTO `json:"listing_daily"`
	RecentOrders   []RecentOrderDTO        `json:"recent_orders"`
	RecentDisputes []RecentDisputeDTO      `json:"recent_disputes"`
	GeneratedAt    time.Time               `json:"generated_at"`
}

type MetricsDTO struct {
	TotalUsers            int64 `json:"total_users"`
	VerifiedUsers         int64 `json:"verified_users"`
	TotalListings         int64 `json:"total_listings"`
	PublishedListings     int64 `json:"published_listings"`
	TotalOrders           int64 `json:"total_orders"`
	RentingOrders         int64 `json:"renting_orders"`
	TodayOrders           int64 `json:"today_orders"`
	TodayLedgerAmountCent int64 `json:"today_ledger_amount_cent"`
}

// ListingDailyOverviewDTO 商品上下架统计：今日三组 + 近 7 日趋势。
type ListingDailyOverviewDTO struct {
	Today          ListingDayStatsDTO           `json:"today"`
	Trend          []ListingDayStatsDTO         `json:"trend"`
	TodayChannels  []ListingChannelDayStatsDTO  `json:"today_channels"`
	ChannelTrend   []ListingChannelDayStatsDTO  `json:"channel_trend"`
	TodayUploaders []ListingUploaderDayStatsDTO `json:"today_uploaders"`
	UploaderTrend  []ListingUploaderDayStatsDTO `json:"uploader_trend"`
	Days           int                          `json:"days"`
	Timezone       string                       `json:"timezone"`
}

type ListingDayStatsDTO struct {
	Date               string `json:"date"` // YYYY-MM-DD（上海时区）
	PublishedCount     int64  `json:"published_count"`
	ActiveOfflineCount int64  `json:"active_offline_count"` // 号主 + 后台主动下架
	TradeLeaveCount    int64  `json:"trade_leave_count"`    // rented / completed / sealed / 交易侧归档下架
}

type ListingChannelDayStatsDTO struct {
	Date               string `json:"date"` // YYYY-MM-DD（上海时区）
	SourceChannel      string `json:"source_channel"`
	PublishedCount     int64  `json:"published_count"`
	ActiveOfflineCount int64  `json:"active_offline_count"`
	TradeLeaveCount    int64  `json:"trade_leave_count"`
}

type ListingUploaderDayStatsDTO struct {
	Date         string `json:"date"` // YYYY-MM-DD（上海时区）
	UploaderID   uint64 `json:"uploader_id"`
	UploaderName string `json:"uploader_name"`
	UploadCount  int64  `json:"upload_count"`
}

type PendingDTO struct {
	ListingReviews        int64 `json:"listing_reviews"`
	Disputes              int64 `json:"disputes"`
	PendingHandoffs       int64 `json:"pending_handoffs"`
	PendingReturnConfirms int64 `json:"pending_return_confirms"`
}

type RecentOrderDTO struct {
	ID                uint64    `json:"id"`
	OrderNo           string    `json:"order_no"`
	Title             string    `json:"title"`
	RenterID          uint64    `json:"renter_id"`
	OwnerID           uint64    `json:"owner_id"`
	Status            string    `json:"status"`
	RentAmountCent    int64     `json:"rent_amount_cent"`
	DepositAmountCent int64     `json:"deposit_amount_cent"`
	CreatedAt         time.Time `json:"created_at"`
}

type RecentDisputeDTO struct {
	ID          uint64    `json:"id"`
	OrderID     uint64    `json:"order_id"`
	OrderNo     string    `json:"order_no"`
	Title       string    `json:"title"`
	Type        string    `json:"type"`
	Status      string    `json:"status"`
	InitiatorID uint64    `json:"initiator_id"`
	CreatedAt   time.Time `json:"created_at"`
}