package models
 
 import "time"
 
 // CheckInCategory 打卡分类
 type CheckInCategory string
 
 const (
 	CategoryStudy  CheckInCategory = "study"
 	CategoryHealth CheckInCategory = "health"
 	CategoryHabit  CheckInCategory = "habit"
 	CategoryHobby  CheckInCategory = "hobby"
 	CategoryGoal   CheckInCategory = "goal"
 )
 
 // CycleType 打卡周期
 type CycleType string
 
 const (
 	CycleDaily        CycleType = "daily"
 	CycleWeekly       CycleType = "weekly"
 	CycleEveryOther   CycleType = "every_other_day"
 	CycleCustom       CycleType = "custom"
 )
 
 // ItemStatus 打卡项状态
 type ItemStatus string
 
 const (
 	StatusActive   ItemStatus = "active"
 	StatusPaused   ItemStatus = "paused"
 	StatusArchived ItemStatus = "archived"
 	StatusDeleted  ItemStatus = "deleted"
 )
 
 // RecordStatus 打卡记录状态
 type RecordStatus string
 
 const (
 	RecordNormal RecordStatus = "normal"
 	RecordMakeup RecordStatus = "makeup"
 )
 
 // CheckInItem 打卡项
 type CheckInItem struct {
 	ID        string         `gorm:"primaryKey;type:varchar(32)" json:"id"`
 	UserID    string         `gorm:"column:user_id;type:varchar(32);not null;index" json:"userId"`
 	Name      string         `gorm:"type:varchar(100);not null" json:"name"`
 	Icon      *string        `gorm:"type:varchar(50)" json:"icon,omitempty"`
 	Category  CheckInCategory `gorm:"type:varchar(20);not null" json:"category"`
 	DailyGoal *string        `gorm:"column:daily_goal;type:varchar(200)" json:"dailyGoal,omitempty"`
 	CycleType CycleType      `gorm:"column:cycle_type;default:daily;type:varchar(20)" json:"cycleType"`
 	Privacy   PrivacyLevel   `gorm:"default:2" json:"privacy"`
 	Status    ItemStatus     `gorm:"default:active;type:varchar(20)" json:"status"`
 	CreatedAt time.Time      `gorm:"column:created_at" json:"createdAt"`
 
 	User    User            `gorm:"foreignKey:UserID" json:"-"`
 	Records []CheckInRecord `gorm:"foreignKey:ItemID" json:"-"`
 }
 
 func (CheckInItem) TableName() string { return "checkin_items" }
 
 // CheckInRecord 打卡记录
 type CheckInRecord struct {
 	ID        string       `gorm:"primaryKey;type:varchar(32)" json:"id"`
 	ItemID    string       `gorm:"column:item_id;type:varchar(32);not null;index" json:"itemId"`
 	UserID    string       `gorm:"column:user_id;type:varchar(32);not null;index" json:"userId"`
 	CheckDate time.Time    `gorm:"column:check_date;not null;index" json:"checkDate"`
 	Status    RecordStatus `gorm:"default:normal;type:varchar(20)" json:"status"`
 	Note      *string      `gorm:"type:varchar(500)" json:"note,omitempty"`
 	Images    *string      `gorm:"type:text" json:"images,omitempty"`
 	CreatedAt time.Time    `gorm:"column:created_at" json:"createdAt"`
 
 	Item CheckInItem `gorm:"foreignKey:ItemID" json:"-"`
 	User User        `gorm:"foreignKey:UserID" json:"-"`
 }
 
 func (CheckInRecord) TableName() string { return "checkin_records" }