// ===========================================
// 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"

// Semester 学期模型，对应 semesters 表
type Semester struct {
	SemesterID   int        `gorm:"column:semester_id;primaryKey;autoIncrement" json:"semester_id"`
	SemesterName string     `gorm:"column:semester_name;type:varchar(100);not null" json:"semester_name"`
	StartDate    *time.Time `gorm:"column:start_date;type:date" json:"start_date"`
	EndDate      *time.Time `gorm:"column:end_date;type:date" json:"end_date"`
	IsActive     int8       `gorm:"column:is_active;default:0" json:"is_active"`
	IsArchived   int8       `gorm:"column:is_archived;default:0" json:"is_archived"`
	CreatedAt    time.Time  `gorm:"column:created_at;autoCreateTime" json:"created_at"`

	// 虚拟字段
	ConductCount   int64 `gorm:"-" json:"conduct_count,omitempty"`
	AttendanceCount int64 `gorm:"-" json:"attendance_count,omitempty"`
	CurrentWeek    *int   `gorm:"-" json:"current_week,omitempty"`
}

// TableName 指定表名
func (Semester) TableName() string {
	return "semesters"
}

// SemesterArchive 学期归档快照模型，对应 semester_archives 表
type SemesterArchive struct {
	ArchiveID             int       `gorm:"column:archive_id;primaryKey;autoIncrement" json:"archive_id"`
	SemesterID            int       `gorm:"column:semester_id;not null;index:idx_semester_id" json:"semester_id"`
	ClassID               int       `gorm:"column:class_id;not null;index:idx_archive_class" json:"class_id"`
	StudentID             int       `gorm:"column:student_id;not null" json:"student_id"`
	StudentNo             string    `gorm:"column:student_no;type:varchar(20);not null" json:"student_no"`
	StudentName           string    `gorm:"column:student_name;type:varchar(50);not null" json:"student_name"`
	FinalPoints           int       `gorm:"column:final_points;not null" json:"final_points"`
	RankPosition          *int      `gorm:"column:rank_position" json:"rank_position"`
	TotalStudents         *int      `gorm:"column:total_students" json:"total_students"`
	AttendancePresent     int       `gorm:"column:attendance_present;default:0" json:"attendance_present"`
	AttendanceAbsent      int       `gorm:"column:attendance_absent;default:0" json:"attendance_absent"`
	AttendanceLate        int       `gorm:"column:attendance_late;default:0" json:"attendance_late"`
	AttendanceLeave       int       `gorm:"column:attendance_leave;default:0" json:"attendance_leave"`
	HomeworkSubmitted     int       `gorm:"column:homework_submitted;default:0" json:"homework_submitted"`
	HomeworkNotSubmitted  int       `gorm:"column:homework_not_submitted;default:0" json:"homework_not_submitted"`
	HomeworkLate          int       `gorm:"column:homework_late;default:0" json:"homework_late"`
	ArchivedAt            time.Time `gorm:"column:archived_at;autoCreateTime" json:"archived_at"`

	// 虚拟字段
	SemesterName *string    `gorm:"-" json:"semester_name,omitempty"`
	SStartDate   *time.Time `gorm:"-" json:"start_date,omitempty"`
	SEndDate     *time.Time `gorm:"-" json:"end_date,omitempty"`
}

// TableName 指定表名
func (SemesterArchive) TableName() string {
	return "semester_archives"
}

// PeriodArchive 周期归档快照模型，对应 period_archives 表
type PeriodArchive struct {
	ArchiveID    int       `gorm:"column:archive_id;primaryKey;autoIncrement" json:"archive_id"`
	ClassID      int       `gorm:"column:class_id;not null;index:idx_period_archive_class" json:"class_id"`
	PeriodType   string    `gorm:"column:period_type;type:enum('weekly','monthly');not null;index:idx_period_archive_type" json:"period_type"`
	PeriodLabel  string    `gorm:"column:period_label;type:varchar(50);not null;index:idx_period_archive_type" json:"period_label"`
	StudentID    int       `gorm:"column:student_id;not null" json:"student_id"`
	StudentNo    string    `gorm:"column:student_no;type:varchar(20);not null" json:"student_no"`
	StudentName  string    `gorm:"column:student_name;type:varchar(50);not null" json:"student_name"`
	FinalPoints  int       `gorm:"column:final_points;not null" json:"final_points"`
	RankPosition *int      `gorm:"column:rank_position" json:"rank_position"`
	TotalStudents *int     `gorm:"column:total_students" json:"total_students"`
	ArchivedAt   time.Time `gorm:"column:archived_at;autoCreateTime" json:"archived_at"`
	ResetBy      string    `gorm:"column:reset_by;type:varchar(20);default:auto" json:"reset_by"`
	OperatorID   *int      `gorm:"column:operator_id" json:"operator_id"`
}

// TableName 指定表名
func (PeriodArchive) TableName() string {
	return "period_archives"
}