package model

import (
	"time"

	"gorm.io/gorm"
)

// UserMembership 表示会员订阅记录（DDL 见 docs/sql/users.sql）。
type UserMembership struct {
	ID        uint           `gorm:"primarykey" json:"id"`
	CreatedAt time.Time      `gorm:"comment:创建时间" json:"created_at"`
	UpdatedAt time.Time      `gorm:"comment:更新时间" json:"updated_at"`
	DeletedAt gorm.DeletedAt `gorm:"index;comment:删除时间" json:"-"`

	MiniProgramID uint `gorm:"index:idx_membership_user,priority:1;index:idx_membership_status,priority:1;comment:小程序ID" json:"mini_program_id"`
	UserID        uint `gorm:"index:idx_membership_user,priority:2;index:idx_membership_status,priority:2;comment:用户ID" json:"user_id"`

	Plan   string `gorm:"size:30;comment:会员套餐" json:"plan"`
	Status string `gorm:"size:20;index:idx_membership_status,priority:3;comment:状态(active/canceled/expired)" json:"status"`

	StartsAt time.Time `gorm:"comment:开始时间" json:"starts_at"`
	EndsAt   time.Time `gorm:"index:idx_membership_user,priority:3;index:idx_membership_status,priority:4;comment:结束时间" json:"ends_at"`
}

func (UserMembership) TableName() string {
	return "user_memberships"
}

func (UserMembership) TableComment() string {
	return "用户会员订阅"
}