package request

import (
	"time"

	"github.com/flipped-aurora/gin-vue-admin/server/model/common/request"
	"github.com/flipped-aurora/gin-vue-admin/server/model/learning"
)

type UserExamSearch struct {
	learning.UserExam
	request.PageInfo
	StartCreatedAt *string `json:"startCreatedAt" form:"startCreatedAt"`
	EndCreatedAt   *string `json:"endCreatedAt" form:"endCreatedAt"`
}

type UserExamCreate struct {
	UserId        uint      `json:"userId" binding:"required"`
	ExamId        uint      `json:"examId" binding:"required"`
	AttemptNumber int       `json:"attemptNumber"`
	StartTime     time.Time `json:"startTime"`
	EndTime       time.Time `json:"endTime"`
	Duration      int       `json:"duration"`
	TotalScore    int       `json:"totalScore"`
	CorrectCount  int       `json:"correctCount"`
	WrongCount    int       `json:"wrongCount"`
	Status        string    `json:"status"`
	IsPassed      bool      `json:"isPassed"`
	SubmittedAt   time.Time `json:"submittedAt"`
}

type UserExamUpdate struct {
	ID            uint      `json:"id" binding:"required"`
	UserId        uint      `json:"userId" binding:"required"`
	ExamId        uint      `json:"examId" binding:"required"`
	AttemptNumber int       `json:"attemptNumber"`
	StartTime     time.Time `json:"startTime"`
	EndTime       time.Time `json:"endTime"`
	Duration      int       `json:"duration"`
	TotalScore    int       `json:"totalScore"`
	CorrectCount  int       `json:"correctCount"`
	WrongCount    int       `json:"wrongCount"`
	Status        string    `json:"status"`
	IsPassed      bool      `json:"isPassed"`
	SubmittedAt   time.Time `json:"submittedAt"`
}

type StartExamRequest struct {
	ExamId uint `json:"examId" binding:"required"`
	UserId uint `json:"userId" binding:"required"`
}

type SubmitExamRequest struct {
	UserExamId   uint `json:"userExamId" binding:"required"`
	TotalScore   int  `json:"totalScore"`
	CorrectCount int  `json:"correctCount"`
	WrongCount   int  `json:"wrongCount"`
}

type UserExamStatistics struct {
	TotalExams     int     `json:"totalExams"`     // 总考试次数
	PassedExams    int     `json:"passedExams"`    // 通过考试次数
	FailedExams    int     `json:"failedExams"`    // 未通过考试次数
	AverageScore   float64 `json:"averageScore"`   // 平均分数
	HighestScore   int     `json:"highestScore"`   // 最高分数
	TotalStudyTime int     `json:"totalStudyTime"` // 总学习时间（分钟）
	PassRate       float64 `json:"passRate"`       // 通过率
}

type ExamRankingItem struct {
	UserId      uint      `json:"userId"`
	UserName    string    `json:"userName"`
	Score       int       `json:"score"`
	Duration    int       `json:"duration"`
	Rank        int       `json:"rank"`
	IsPassed    bool      `json:"isPassed"`
	SubmittedAt time.Time `json:"submittedAt"`
}

type ExamRankingResponse struct {
	ExamId    uint              `json:"examId"`
	ExamTitle string            `json:"examTitle"`
	Rankings  []ExamRankingItem `json:"rankings"`
	Total     int64             `json:"total"`
}