package model

import "encoding/json"

// OrderInstance 订单数据模型
type OrderInstance struct {
	Model
	ModelTenant
	UID     uint64              `gorm:"column:uid;type:int;default:0;comment:用户uuid" json:"-"`
	Channel string              `gorm:"column:channel;type:varchar(30);default:'';comment:订单支付渠道" json:"channel"`
	OrderNo string              `gorm:"column:order_no;type:varchar(30);default:'';comment:订单号" json:"order_no"`
	Amount  float64             `gorm:"column:amount;type:decimal(10,2);default:0;comment:订单金额" json:"amount"`
	Params  string              `gorm:"column:params;type:varchar(255);default:'';comment:订单参数" json:"-"`
	Status  OrderInstanceStatus `gorm:"column:status;type:tinyint(1);default:0;comment:订单状态" json:"status"`
	Remark  string              `gorm:"column:remark;type:varchar(255);default:'';comment:订单备注" json:"remark"`
	ModelDeleted
	ModelAt
}

// OrderInstanceParams 订单参数
type OrderInstanceParams struct {
	Kind OrderInstanceParamsKind `json:"kind"`
	Data interface{}             `json:"data"`
}

// OrderInstanceParamsKind 订单参数类型信息
type OrderInstanceParamsKind int

const (
	// OrderInstanceParamsKindForActivity 活动信息
	OrderInstanceParamsKindForActivity OrderInstanceParamsKind = iota + 1e2 + 1
)

// OrderInstanceParamsForActivity 订单活动参数
type OrderInstanceParamsForActivity struct {
	ID uint64 `json:"id"`
}

// OrderInstanceStatus 订单状态
type OrderInstanceStatus int

const (
	// OrderInstanceStatusForInvalid 失效-未在规定时间内支付
	OrderInstanceStatusForInvalid OrderInstanceStatus = iota - 9
	// OrderInstanceStatusForCancel 取消-用户主动取消订单
	OrderInstanceStatusForCancel OrderInstanceStatus = iota - 2
	// OrderInstanceStatusForInit 初始化-初始化订单，待支付
	OrderInstanceStatusForInit
	// OrderInstanceStatusForPaid 已支付
	OrderInstanceStatusForPaid
	// OrderInstanceStatusForComplete 完成
	OrderInstanceStatusForComplete
)

func (m *OrderInstance) TableName() string {
	return "order_instance"
}

func (m *OrderInstance) SetParamsAttribute(kind OrderInstanceParamsKind, data interface{}) {
	value := &OrderInstanceParams{Kind: kind, Data: data}
	_bytes, _ := json.Marshal(value)
	m.Params = string(_bytes)
}

func (m *OrderInstance) GetParamsAttribute() *OrderInstanceParams {
	out := new(OrderInstanceParams)

	_ = json.Unmarshal([]byte(m.Params), out)

	return out
}

func NewOrderInstance() *OrderInstance {
	return &OrderInstance{}
}