package model

import "time"

// ActivityInstance 活动数据模型
type ActivityInstance struct {
	Model
	Local
	Mode ActivityInstanceMode `gorm:"column:mode;type:tinyint(1);default:1;comment:活动模式" json:"mode"`
	Image
	ActivityInstanceBasic
	Amount    float64                `gorm:"column:amount;type:decimal(10,2);default:0;comment:活动收费金额" json:"amount"`
	Content   string                 `gorm:"column:title;type:text;comment:活动详情" json:"content"`
	MaxNumber int                    `gorm:"column:max_number;type:int(6);default:0;comment:报名限制人数，0不做限制" json:"max_number"`
	Status    ActivityInstanceStatus `gorm:"column:status;type:tinyint(1);default:1;comment:活动状态（1：显示，2：隐藏）" json:"status"`
	ModelDeleted
	ModelAt
}

// ActivityInstanceBasic 活动基本信息
type ActivityInstanceBasic struct {
	Title        string    `gorm:"column:title;type:varchar(50);default:'';comment:活动名称" json:"title"`
	BeginAt      time.Time `gorm:"column:begin_at;type:datetime;not null;comment:活动开始" json:"begin_at"`
	FinishAt     time.Time `gorm:"column:finish_at;type:datetime;not null;comment:活动结束时间" json:"finish_at"`
	JoinDeadline time.Time `gorm:"column:join_deadline;type:datetime;not null;comment:报名截止时间" json:"join_deadline"`
}

// ActivityInstanceMode 活动类型
type ActivityInstanceMode int

const (
	// ActivityInstanceModeForOrdinary  普通活动
	ActivityInstanceModeForOrdinary ActivityInstanceMode = iota + 1
	// ActivityInstanceModeForCharge 收费活动
	ActivityInstanceModeForCharge
)

// ActivityInstanceStatus 活动状态
type ActivityInstanceStatus int

const (
	// ActivityInstanceStatusForShow 状态显示
	ActivityInstanceStatusForShow ActivityInstanceStatus = iota + 1
	// ActivityInstanceStatusForHidden 状态隐藏
	ActivityInstanceStatusForHidden
)

func (m *ActivityInstanceBasic) IsOngoing() bool {
	now := time.Now()
	return m.BeginAt.Before(now) && m.FinishAt.After(now)
}

func (m *ActivityInstanceBasic) IsCanJoin() bool {
	return m.JoinDeadline.After(time.Now())
}

func (m *ActivityInstance) TableName() string {
	return "activity_instance"
}

func NewActivityInstance() *ActivityInstance {
	return &ActivityInstance{}
}