package models

import "time"

// Class đại diện cho lớp học từ QLĐT
type Class struct {
	ID             uint      `gorm:"primaryKey" json:"id"`
	CreatedAt      time.Time `json:"createdAt"`
	UpdatedAt      time.Time `json:"updatedAt"`
	RkID           int64     `gorm:"column:rk_id;uniqueIndex;not null" json:"rkId"`
	Name           string    `gorm:"column:name;size:512" json:"name"`
	ClassCode      string    `gorm:"column:class_code;size:128" json:"classCode"`
	Type           string    `gorm:"column:type;size:64" json:"type"`
	StudentCount   int       `gorm:"column:student_count;default:0" json:"studentCount"`
	SpecializeRkID *int64    `gorm:"column:specialize_rk_id" json:"specializeRkId"`
	SpecializeName *string   `gorm:"column:specialize_name;size:255" json:"specializeName"`
	SystemRkID     *int64    `gorm:"column:system_rk_id;index" json:"systemRkId"`
	SystemCode     *string   `gorm:"column:system_code;size:64" json:"systemCode"`
	SystemName     *string   `gorm:"column:system_name;size:512" json:"systemName"`
	IsStudying     bool      `gorm:"column:is_studying;default:false;index" json:"isStudying"`
}

func (Class) TableName() string { return "classes" }

// ClassCourseLink lưu danh sách môn học của mỗi lớp
type ClassCourseLink struct {
	ClassRkID   int64  `gorm:"column:class_rk_id;primaryKey;not null" json:"classRkId"`
	CourseRkID  int64  `gorm:"column:course_rk_id;primaryKey;not null" json:"courseRkId"`
	CourseName  string `gorm:"column:course_name;size:512" json:"courseName"`
	CourseOrder int    `gorm:"column:course_order;default:0" json:"courseOrder"`
}

func (ClassCourseLink) TableName() string { return "class_course_links" }

// Student đại diện cho sinh viên
type Student struct {
	ID          uint       `gorm:"primaryKey" json:"id"`
	CreatedAt   time.Time  `json:"createdAt"`
	UpdatedAt   time.Time  `json:"updatedAt"`
	RkID        int64      `gorm:"column:rk_id;uniqueIndex;not null" json:"rkId"`
	StudentCode string     `gorm:"column:student_code;size:64;index" json:"studentCode"`
	FullName    string     `gorm:"column:full_name;size:255;index" json:"fullName"`
	Phone       *string    `gorm:"column:phone;size:32" json:"phone"`
	Email       string     `gorm:"column:email;size:255;index" json:"email"`
	DateOfBirth *time.Time `gorm:"column:date_of_birth" json:"dateOfBirth"`
	Gender      *int       `gorm:"column:gender" json:"gender"`
	Status      *string    `gorm:"column:status;size:64" json:"status"`
	Location    *string    `gorm:"column:location;size:32" json:"location"`
	SystemID    *int64     `gorm:"column:system_id" json:"systemId"`
	SystemName  *string    `gorm:"column:system_name;size:255" json:"systemName"`
}

func (Student) TableName() string { return "students" }

// ClassStudent map sinh viên vào lớp tương ứng
type ClassStudent struct {
	ClassRkID   int64 `gorm:"column:class_rk_id;primaryKey;not null;index" json:"classRkId"`
	StudentRkID int64 `gorm:"column:student_rk_id;primaryKey;not null;index" json:"studentRkId"`
}

func (ClassStudent) TableName() string { return "class_students" }