package model

import "time"

// CustomerEntitlement 客户权益记录（防重复购买的核心表） // Logan.Li
type CustomerEntitlement struct {
	ID         uint       `json:"id" gorm:"primaryKey"`
	CustomerID uint       `json:"customer_id"`
	Customer   Customer   `json:"customer,omitempty" gorm:"foreignKey:CustomerID"`
	ProductID  uint       `json:"product_id"`
	Product    Product    `json:"product,omitempty" gorm:"foreignKey:ProductID"`
	PlanID     uint       `json:"plan_id"`
	Plan       Plan       `json:"plan,omitempty" gorm:"foreignKey:PlanID"`
	LicenseID  uint       `json:"license_id"`
	LicenseKey string     `json:"license_key" gorm:"size:100"`
	PlanType   string     `json:"plan_type" gorm:"size:50"`                   // perpetual / monthly / yearly / lifetime
	Status     string     `json:"status" gorm:"size:20;default:'active'"`     // active / expired / revoked
	ValidFrom  time.Time  `json:"valid_from"`
	ValidUntil *time.Time `json:"valid_until,omitempty"` // 买断/永久为 null
	Renewable  bool       `json:"renewable" gorm:"default:true"` // 订阅到期后是否可续费
	CreatedAt  time.Time  `json:"created_at"`
	UpdatedAt  time.Time  `json:"updated_at"`
}

// TableName 指定表名 // Logan.Li
func (CustomerEntitlement) TableName() string {
	return "customer_entitlements"
}