package model

import "time"

// PlatformResourcePool 平台共享媒体资源池。
type PlatformResourcePool struct {
	ID             int64     `gorm:"primaryKey;column:id;type:BIGINT;not null" json:"id"`
	TotalBytes     int64     `gorm:"column:total_bytes;type:BIGINT;not null" json:"totalBytes"`
	AvailableBytes int64     `gorm:"column:available_bytes;type:BIGINT;not null" json:"availableBytes"`
	ConsumedBytes  int64     `gorm:"column:consumed_bytes;type:BIGINT;not null" json:"consumedBytes"`
	Status         string    `gorm:"column:status;type:VARCHAR(16);default:active" json:"status"`
	Version        int64     `gorm:"column:version;type:BIGINT;not null" json:"version"`
	CreatedAt      time.Time `gorm:"column:created_at" json:"createdAt"`
	UpdatedAt      time.Time `gorm:"column:updated_at" json:"updatedAt"`
}

func (PlatformResourcePool) TableName() string { return "platform_resource_pool" }

// PlatformResourcePurchase 平台从云服务商采购的资源批次。
type PlatformResourcePurchase struct {
	ID         int64      `gorm:"primaryKey;column:id;type:BIGINT;not null" json:"id"`
	BatchNo    string     `gorm:"column:batch_no;type:VARCHAR(64);not null;uniqueIndex:uk_resource_purchase_batch" json:"batchNo"`
	Provider   string     `gorm:"column:provider;type:VARCHAR(32);not null" json:"provider"`
	TotalBytes int64      `gorm:"column:total_bytes;type:BIGINT;not null" json:"totalBytes"`
	UnitCost   float64    `gorm:"column:unit_cost;type:DECIMAL(12,6)" json:"unitCost"`
	TotalCost  float64    `gorm:"column:total_cost;type:DECIMAL(14,2)" json:"totalCost"`
	ExpiresAt  *time.Time `gorm:"column:expires_at" json:"expiresAt"`
	Status     string     `gorm:"column:status;type:VARCHAR(16);default:active" json:"status"`
	Remark     string     `gorm:"column:remark;type:VARCHAR(256)" json:"remark"`
	CreatedBy  int64      `gorm:"column:created_by;type:BIGINT;not null" json:"createdBy"`
	CreatedAt  time.Time  `gorm:"column:created_at" json:"createdAt"`
	UpdatedAt  time.Time  `gorm:"column:updated_at" json:"updatedAt"`
}

func (PlatformResourcePurchase) TableName() string { return "platform_resource_purchase" }

// TrafficPackage 用户购买的虚拟流量套餐。
type TrafficPackage struct {
	ID           int64     `gorm:"primaryKey;column:id;type:BIGINT;not null" json:"id"`
	Code         string    `gorm:"column:code;type:VARCHAR(64);not null;uniqueIndex:uk_traffic_package_code" json:"code"`
	Name         string    `gorm:"column:name;type:VARCHAR(128);not null" json:"name"`
	AmountBytes  int64     `gorm:"column:amount_bytes;type:BIGINT;not null" json:"amountBytes"`
	Price        float64   `gorm:"column:price;type:DECIMAL(10,2);not null" json:"price"`
	ValidityDays int       `gorm:"column:validity_days;type:INT" json:"validityDays"`
	Status       string    `gorm:"column:status;type:VARCHAR(16);default:active" json:"status"`
	Sort         int       `gorm:"column:sort;type:INT;default:0" json:"sort"`
	CreatedAt    time.Time `gorm:"column:created_at" json:"createdAt"`
	UpdatedAt    time.Time `gorm:"column:updated_at" json:"updatedAt"`
}

func (TrafficPackage) TableName() string { return "traffic_package" }

// TrafficLedger 统一追加式账务流水。
type TrafficLedger struct {
	ID             int64     `gorm:"primaryKey;column:id;type:BIGINT;not null" json:"id"`
	AccountType    string    `gorm:"column:account_type;type:VARCHAR(16);not null" json:"accountType"`
	AccountID      int64     `gorm:"column:account_id;type:BIGINT;not null" json:"accountId"`
	Direction      string    `gorm:"column:direction;type:VARCHAR(8);not null" json:"direction"`
	AmountBytes    int64     `gorm:"column:amount_bytes;type:BIGINT;not null" json:"amountBytes"`
	BalanceBefore  int64     `gorm:"column:balance_before;type:BIGINT;not null" json:"balanceBefore"`
	BalanceAfter   int64     `gorm:"column:balance_after;type:BIGINT;not null" json:"balanceAfter"`
	SourceType     string    `gorm:"column:source_type;type:VARCHAR(32);not null" json:"sourceType"`
	SourceID       string    `gorm:"column:source_id;type:VARCHAR(128)" json:"sourceId"`
	IdempotencyKey string    `gorm:"column:idempotency_key;type:VARCHAR(128);not null;uniqueIndex:uk_traffic_ledger_idempotency" json:"idempotencyKey"`
	OperatorID     int64     `gorm:"column:operator_id;type:BIGINT" json:"operatorId"`
	Remark         string    `gorm:"column:remark;type:VARCHAR(256)" json:"remark"`
	CreatedAt      time.Time `gorm:"column:created_at" json:"createdAt"`
}

func (TrafficLedger) TableName() string { return "traffic_ledger" }

// LiveBillingSegment 直播已结算的确定时间段。
type LiveBillingSegment struct {
	ID             int64      `gorm:"primaryKey;column:id;type:BIGINT;not null" json:"id"`
	SessionID      string     `gorm:"column:session_id;type:VARCHAR(128);not null" json:"sessionId"`
	UserID         int64      `gorm:"column:user_id;type:BIGINT;not null" json:"userId"`
	PeriodStart    time.Time  `gorm:"column:period_start;not null" json:"periodStart"`
	PeriodEnd      time.Time  `gorm:"column:period_end;not null" json:"periodEnd"`
	Bytes          int64      `gorm:"column:bytes;type:BIGINT;not null" json:"bytes"`
	Status         string     `gorm:"column:status;type:VARCHAR(16);default:pending" json:"status"`
	IdempotencyKey string     `gorm:"column:idempotency_key;type:VARCHAR(160);not null;uniqueIndex:uk_live_billing_segment_idempotency" json:"idempotencyKey"`
	CreatedAt      time.Time  `gorm:"column:created_at" json:"createdAt"`
	SettledAt      *time.Time `gorm:"column:settled_at" json:"settledAt"`
}

func (LiveBillingSegment) TableName() string { return "live_billing_segment" }