package model

import (
	"time"
)

// PointsHistory 积分历史记录
type PointsHistory struct {
	ID          uint      `json:"id" gorm:"primaryKey"`
	UserID      uint      `json:"user_id" gorm:"not null;index"`
	Type        int       `json:"type" gorm:"not null;comment:类型 1=获得 2=消费"`
	Points      int       `json:"points" gorm:"not null;comment:积分数量"`
	Description string    `json:"description" gorm:"size:255;comment:描述"`
	OrderID     *uint     `json:"order_id" gorm:"index;comment:关联订单ID"`
	OrderNo     string    `json:"order_no" gorm:"size:50;comment:订单号"`
	ProductName string    `json:"product_name" gorm:"size:255;comment:商品名称"`
	CreatedAt   time.Time `json:"created_at"`
	UpdatedAt   time.Time `json:"updated_at"`
	
	// 关联
	User  User   `json:"user" gorm:"foreignKey:UserID"`
	Order *Order `json:"order,omitempty" gorm:"foreignKey:OrderID"`
}

// PointsRule 积分规则
type PointsRule struct {
	ID          uint      `json:"id" gorm:"primaryKey"`
	Title       string    `json:"title" gorm:"size:100;not null;comment:规则标题"`
	Description string    `json:"description" gorm:"size:500;comment:规则描述"`
	Icon        string    `json:"icon" gorm:"size:100;comment:图标"`
	Points      int       `json:"points" gorm:"comment:积分数量"`
	Type        int       `json:"type" gorm:"comment:类型 1=获得 2=消费"`
	Status      int       `json:"status" gorm:"default:1;comment:状态 0=禁用 1=启用"`
	Sort        int       `json:"sort" gorm:"default:0;comment:排序"`
	CreatedAt   time.Time `json:"created_at"`
	UpdatedAt   time.Time `json:"updated_at"`
}

// PointsExchange 积分兑换商品
type PointsExchange struct {
	ID          uint      `json:"id" gorm:"primaryKey"`
	Name        string    `json:"name" gorm:"size:255;not null;comment:商品名称"`
	Description string    `json:"description" gorm:"size:500;comment:商品描述"`
	Image       string    `json:"image" gorm:"size:255;comment:商品图片"`
	Points      int       `json:"points" gorm:"not null;comment:所需积分"`
	Stock       int       `json:"stock" gorm:"default:0;comment:库存数量"`
	ExchangeCount int     `json:"exchange_count" gorm:"default:0;comment:兑换次数"`
	Status      int       `json:"status" gorm:"default:1;comment:状态 0=下架 1=上架"`
	Sort        int       `json:"sort" gorm:"default:0;comment:排序"`
	CreatedAt   time.Time `json:"created_at"`
	UpdatedAt   time.Time `json:"updated_at"`
}

// PointsExchangeRecord 积分兑换记录
type PointsExchangeRecord struct {
	ID               uint             `json:"id" gorm:"primaryKey"`
	UserID           uint             `json:"user_id" gorm:"not null;index"`
	PointsExchangeID uint             `json:"points_exchange_id" gorm:"not null;index"`
	Points           int              `json:"points" gorm:"not null;comment:消耗积分"`
	Status           int              `json:"status" gorm:"default:1;comment:状态 1=已兑换 2=已发放"`
	CreatedAt        time.Time        `json:"created_at"`
	UpdatedAt        time.Time        `json:"updated_at"`
	
	// 关联
	User           User           `json:"user" gorm:"foreignKey:UserID"`
	PointsExchange PointsExchange `json:"points_exchange" gorm:"foreignKey:PointsExchangeID"`
}

// TableName 设置表名
func (PointsHistory) TableName() string {
	return "points_history"
}

func (PointsRule) TableName() string {
	return "points_rules"
}

func (PointsExchange) TableName() string {
	return "points_exchange"
}

func (PointsExchangeRecord) TableName() string {
	return "points_exchange_records"
}