// ===========================================
// 多班级版班级管理系统 - Go 后端
//
// 开发者: Canglan
// 联系方式: admin@sea-studio.top
// 版权归属: Sea Network Technology Studio
// 许可证: Apache License 2.0
//
// 版权所有 © Sea Network Technology Studio
// ===========================================

package model

import "time"

// Class 班级模型，对应 classes 表
type Class struct {
	ClassID     int       `gorm:"column:class_id;primaryKey;autoIncrement" json:"class_id"`
	ClassName   string    `gorm:"column:class_name;type:varchar(100);uniqueIndex:uk_class_name;not null" json:"class_name"`
	Grade       *string   `gorm:"column:grade;type:varchar(50)" json:"grade"`
	Description *string   `gorm:"column:description;type:varchar(255)" json:"description"`
	Status      int8      `gorm:"column:status;default:1" json:"status"`
	CreatedAt   time.Time `gorm:"column:created_at;autoCreateTime" json:"created_at"`

	// 虚拟字段
	StudentCount int64 `gorm:"-" json:"student_count,omitempty"`
}

// TableName 指定表名
func (Class) TableName() string {
	return "classes"
}

// ClassSetting 班级设置模型，对应 class_settings 表
type ClassSetting struct {
	SettingID    int       `gorm:"column:setting_id;primaryKey;autoIncrement" json:"setting_id"`
	ClassID      int       `gorm:"column:class_id;not null;uniqueIndex:uk_class_setting" json:"class_id"`
	SettingKey   string    `gorm:"column:setting_key;type:varchar(50);not null;uniqueIndex:uk_class_setting" json:"setting_key"`
	SettingValue string    `gorm:"column:setting_value;type:varchar(255);not null" json:"setting_value"`
	UpdatedAt    time.Time `gorm:"column:updated_at;autoUpdateTime" json:"updated_at"`
}

// TableName 指定表名
func (ClassSetting) TableName() string {
	return "class_settings"
}

// ClassFeature 班级功能开关模型，对应 class_features 表
type ClassFeature struct {
	FeatureID  int       `gorm:"column:feature_id;primaryKey;autoIncrement" json:"feature_id"`
	ClassID    int       `gorm:"column:class_id;not null;uniqueIndex:uk_class_feature" json:"class_id"`
	FeatureKey string    `gorm:"column:feature_key;type:varchar(50);not null;uniqueIndex:uk_class_feature" json:"feature_key"`
	Enabled    int8      `gorm:"column:enabled;default:1" json:"enabled"`
	UpdatedAt  time.Time `gorm:"column:updated_at;autoUpdateTime" json:"updated_at"`
}

// TableName 指定表名
func (ClassFeature) TableName() string {
	return "class_features"
}