package model

import "time"

// ReferralBinding 对应表 referral_bindings
type ReferralBinding struct {
	ID                string     `gorm:"column:id;primaryKey;size:50"`
	ReferrerID        string     `gorm:"column:referrer_id;size:50"`
	RefereeID         string     `gorm:"column:referee_id;size:50"`
	ReferralCode      string     `gorm:"column:referral_code;size:20"`
	Status            *string    `gorm:"column:status;size:20"`
	BindingDate       time.Time  `gorm:"column:binding_date"`
	ExpiryDate        time.Time  `gorm:"column:expiry_date"`
	CommissionAmount  *float64   `gorm:"column:commission_amount;type:decimal(10,2)"`
	PurchaseCount     *int       `gorm:"column:purchase_count"`                        // 购买次数
	TotalCommission   *float64   `gorm:"column:total_commission;type:decimal(10,2)"`  // 累计佣金
	LastPurchaseDate  *time.Time `gorm:"column:last_purchase_date"`                   // 最后购买日期
	CreatedAt         time.Time  `gorm:"column:created_at"`
	UpdatedAt         time.Time  `gorm:"column:updated_at"`
}

func (ReferralBinding) TableName() string { return "referral_bindings" }