package learning

import (
	"time"

	"github.com/flipped-aurora/gin-vue-admin/server/global"
)

// WrongQuestion 错题本模型
type WrongQuestion struct {
	global.GVA_MODEL
	UserId      uint      `json:"userId" form:"userId" gorm:"column:user_id;comment:关联用户ID;not null;" binding:"required"`
	QuestionId  uint      `json:"questionId" form:"questionId" gorm:"column:question_id;comment:关联题目ID;not null;" binding:"required"`
	WrongAnswer string    `json:"wrongAnswer" form:"wrongAnswer" gorm:"column:wrong_answer;comment:错误答案;type:text;"`
	WrongCount  int       `json:"wrongCount" form:"wrongCount" gorm:"column:wrong_count;comment:错误次数;default:1;"`
	LastWrongAt time.Time `json:"lastWrongAt" form:"lastWrongAt" gorm:"column:last_wrong_at;comment:最后错误时间;"`
	IsMastered  bool      `json:"isMastered" form:"isMastered" gorm:"column:is_mastered;comment:是否已掌握;default:false;"`
	MasteredAt  time.Time `json:"masteredAt" form:"masteredAt" gorm:"column:mastered_at;comment:掌握时间;"`
	Notes       string    `json:"notes" form:"notes" gorm:"column:notes;comment:用户笔记;type:longtext;"`

	// 关联关系 - 去掉外键约束，只保留逻辑关联
	Question Question `json:"question" gorm:"-"`
}

// TableName 设置表名
func (WrongQuestion) TableName() string {
	return "learning_wrong_questions"
}