package learning

import (
	"strconv"

	"github.com/flipped-aurora/gin-vue-admin/server/global"
	"github.com/flipped-aurora/gin-vue-admin/server/model/common/response"
	"github.com/flipped-aurora/gin-vue-admin/server/model/learning"
	learningReq "github.com/flipped-aurora/gin-vue-admin/server/model/learning/request"
	"github.com/flipped-aurora/gin-vue-admin/server/service"
	"github.com/flipped-aurora/gin-vue-admin/server/utils"
	"github.com/gin-gonic/gin"
	"go.uber.org/zap"
)

type UserExamApi struct{}

// CreateUserExam 创建用户考试记录
// @Tags UserExam
// @Summary 创建用户考试记录
// @Security ApiKeyAuth
// @accept application/json
// @Produce application/json
// @Param data body learningReq.UserExamCreate true "创建用户考试记录"
// @Success 200 {object} response.Response{msg=string} "创建成功"
// @Router /userExam/createUserExam [post]
func (userExamApi *UserExamApi) CreateUserExam(c *gin.Context) {
	var req learningReq.UserExamCreate
	err := c.ShouldBindJSON(&req)
	if err != nil {
		response.FailWithMessage(err.Error(), c)
		return
	}

	userExam := learning.UserExam{
		UserId:        req.UserId,
		ExamId:        req.ExamId,
		AttemptNumber: req.AttemptNumber,
		StartTime:     req.StartTime,
		EndTime:       req.EndTime,
		Duration:      req.Duration,
		TotalScore:    req.TotalScore,
		CorrectCount:  req.CorrectCount,
		WrongCount:    req.WrongCount,
		Status:        req.Status,
		IsPassed:      req.IsPassed,
		SubmittedAt:   req.SubmittedAt,
	}

	err = service.ServiceGroupApp.LearningServiceGroup.UserExamService.CreateUserExam(c.Request.Context(), &userExam)
	if err != nil {
		global.GVA_LOG.Error("创建失败!", zap.Error(err))
		response.FailWithMessage("创建失败", c)
		return
	}
	response.OkWithMessage("创建成功", c)
}

// DeleteUserExam 删除用户考试记录
// @Tags UserExam
// @Summary 删除用户考试记录
// @Security ApiKeyAuth
// @accept application/json
// @Produce application/json
// @Param data body request.IdsReq true "批量删除用户考试记录"
// @Success 200 {object} response.Response{msg=string} "删除成功"
// @Router /userExam/deleteUserExam [delete]
func (userExamApi *UserExamApi) DeleteUserExam(c *gin.Context) {
	ID := c.Query("ID")
	err := service.ServiceGroupApp.LearningServiceGroup.UserExamService.DeleteUserExam(c.Request.Context(), ID)
	if err != nil {
		global.GVA_LOG.Error("删除失败!", zap.Error(err))
		response.FailWithMessage("删除失败", c)
		return
	}
	response.OkWithMessage("删除成功", c)
}

// DeleteUserExamByIds 批量删除用户考试记录
// @Tags UserExam
// @Summary 批量删除用户考试记录
// @Security ApiKeyAuth
// @accept application/json
// @Produce application/json
// @Success 200 {object} response.Response{msg=string} "批量删除成功"
// @Router /userExam/deleteUserExamByIds [delete]
func (userExamApi *UserExamApi) DeleteUserExamByIds(c *gin.Context) {
	IDs := c.QueryArray("IDs[]")
	err := service.ServiceGroupApp.LearningServiceGroup.UserExamService.DeleteUserExamByIds(c.Request.Context(), IDs)
	if err != nil {
		global.GVA_LOG.Error("批量删除失败!", zap.Error(err))
		response.FailWithMessage("批量删除失败", c)
		return
	}
	response.OkWithMessage("批量删除成功", c)
}

// UpdateUserExam 更新用户考试记录
// @Tags UserExam
// @Summary 更新用户考试记录
// @Security ApiKeyAuth
// @accept application/json
// @Produce application/json
// @Param data body learningReq.UserExamUpdate true "更新用户考试记录"
// @Success 200 {object} response.Response{msg=string} "更新成功"
// @Router /userExam/updateUserExam [put]
func (userExamApi *UserExamApi) UpdateUserExam(c *gin.Context) {
	var req learningReq.UserExamUpdate
	err := c.ShouldBindJSON(&req)
	if err != nil {
		response.FailWithMessage(err.Error(), c)
		return
	}

	userExam := learning.UserExam{
		GVA_MODEL:     global.GVA_MODEL{ID: req.ID},
		UserId:        req.UserId,
		ExamId:        req.ExamId,
		AttemptNumber: req.AttemptNumber,
		StartTime:     req.StartTime,
		EndTime:       req.EndTime,
		Duration:      req.Duration,
		TotalScore:    req.TotalScore,
		CorrectCount:  req.CorrectCount,
		WrongCount:    req.WrongCount,
		Status:        req.Status,
		IsPassed:      req.IsPassed,
		SubmittedAt:   req.SubmittedAt,
	}

	err = service.ServiceGroupApp.LearningServiceGroup.UserExamService.UpdateUserExam(c.Request.Context(), userExam)
	if err != nil {
		global.GVA_LOG.Error("更新失败!", zap.Error(err))
		response.FailWithMessage("更新失败", c)
		return
	}
	response.OkWithMessage("更新成功", c)
}

// FindUserExam 用id查询用户考试记录
// @Tags UserExam
// @Summary 用id查询用户考试记录
// @Security ApiKeyAuth
// @accept application/json
// @Produce application/json
// @Param data query learning.UserExam true "用id查询用户考试记录"
// @Success 200 {object} response.Response{data=learning.UserExam,msg=string} "查询成功"
// @Router /userExam/findUserExam [get]
func (userExamApi *UserExamApi) FindUserExam(c *gin.Context) {
	ID := c.Query("ID")
	reuserExam, err := service.ServiceGroupApp.LearningServiceGroup.UserExamService.GetUserExam(c.Request.Context(), ID)
	if err != nil {
		global.GVA_LOG.Error("查询失败!", zap.Error(err))
		response.FailWithMessage("查询失败", c)
		return
	}
	response.OkWithData(reuserExam, c)
}

// GetUserExamList 分页获取用户考试记录列表
// @Tags UserExam
// @Summary 分页获取用户考试记录列表
// @Security ApiKeyAuth
// @accept application/json
// @Produce application/json
// @Param data query learningReq.UserExamSearch true "分页获取用户考试记录列表"
// @Success 200 {object} response.Response{data=response.PageResult,msg=string} "获取成功"
// @Router /userExam/getUserExamList [get]
func (userExamApi *UserExamApi) GetUserExamList(c *gin.Context) {
	var pageInfo learningReq.UserExamSearch
	err := c.ShouldBindQuery(&pageInfo)
	if err != nil {
		response.FailWithMessage(err.Error(), c)
		return
	}
	list, total, err := service.ServiceGroupApp.LearningServiceGroup.UserExamService.GetUserExamInfoList(c.Request.Context(), pageInfo)
	if err != nil {
		global.GVA_LOG.Error("获取失败!", zap.Error(err))
		response.FailWithMessage("获取失败", c)
		return
	}
	response.OkWithDetailed(response.PageResult{
		List:     list,
		Total:    total,
		Page:     pageInfo.Page,
		PageSize: pageInfo.PageSize,
	}, "获取成功", c)
}

// StartExam 开始考试
// @Tags UserExam
// @Summary 开始考试
// @Security ApiKeyAuth
// @accept application/json
// @Produce application/json
// @Param data body learningReq.StartExamRequest true "开始考试请求"
// @Success 200 {object} response.Response{data=learning.UserExam,msg=string} "开始成功"
// @Router /userExam/startExam [post]
func (userExamApi *UserExamApi) StartExam(c *gin.Context) {
	var req learningReq.StartExamRequest
	err := c.ShouldBindJSON(&req)
	if err != nil {
		response.FailWithMessage(err.Error(), c)
		return
	}

	// 如果没有提供userId，从JWT中获取当前用户ID
	if req.UserId == 0 {
		req.UserId = uint(utils.GetUserID(c))
	}

	userExam, err := service.ServiceGroupApp.LearningServiceGroup.UserExamService.StartExam(c.Request.Context(), req.UserId, req.ExamId)
	if err != nil {
		global.GVA_LOG.Error("开始考试失败!", zap.Error(err))
		response.FailWithMessage(err.Error(), c)
		return
	}
	response.OkWithData(userExam, c)
}

// SubmitExam 提交考试
// @Tags UserExam
// @Summary 提交考试
// @Security ApiKeyAuth
// @accept application/json
// @Produce application/json
// @Param data body learningReq.SubmitExamRequest true "提交考试请求"
// @Success 200 {object} response.Response{msg=string} "提交成功"
// @Router /userExam/submitExam [put]
func (userExamApi *UserExamApi) SubmitExam(c *gin.Context) {
	var req learningReq.SubmitExamRequest
	err := c.ShouldBindJSON(&req)
	if err != nil {
		response.FailWithMessage(err.Error(), c)
		return
	}

	err = service.ServiceGroupApp.LearningServiceGroup.UserExamService.SubmitExam(c.Request.Context(), req.UserExamId, req.TotalScore, req.CorrectCount, req.WrongCount)
	if err != nil {
		global.GVA_LOG.Error("提交考试失败!", zap.Error(err))
		response.FailWithMessage(err.Error(), c)
		return
	}
	response.OkWithMessage("提交成功", c)
}

// GetUserExamHistory 获取用户考试历史
// @Tags UserExam
// @Summary 获取用户考试历史
// @Security ApiKeyAuth
// @accept application/json
// @Produce application/json
// @Param userId query uint false "用户ID"
// @Success 200 {object} response.Response{data=[]learning.UserExam,msg=string} "获取成功"
// @Router /userExam/getUserExamHistory [get]
func (userExamApi *UserExamApi) GetUserExamHistory(c *gin.Context) {
	userIdStr := c.Query("userId")

	var userId uint
	if userIdStr != "" {
		userIdUint, err := strconv.ParseUint(userIdStr, 10, 32)
		if err != nil {
			response.FailWithMessage("用户ID格式错误", c)
			return
		}
		userId = uint(userIdUint)
	} else {
		// 如果没有提供userId，从JWT中获取当前用户ID
		userId = uint(utils.GetUserID(c))
	}

	list, err := service.ServiceGroupApp.LearningServiceGroup.UserExamService.GetUserExamHistory(c.Request.Context(), userId)
	if err != nil {
		global.GVA_LOG.Error("获取失败!", zap.Error(err))
		response.FailWithMessage("获取失败", c)
		return
	}
	response.OkWithData(list, c)
}

// GetUserExamStatistics 获取用户考试统计
// @Tags UserExam
// @Summary 获取用户考试统计
// @Security ApiKeyAuth
// @accept application/json
// @Produce application/json
// @Param userId query uint false "用户ID"
// @Success 200 {object} response.Response{data=learningReq.UserExamStatistics,msg=string} "获取成功"
// @Router /userExam/getUserExamStatistics [get]
func (userExamApi *UserExamApi) GetUserExamStatistics(c *gin.Context) {
	userIdStr := c.Query("userId")

	var userId uint
	if userIdStr != "" {
		userIdUint, err := strconv.ParseUint(userIdStr, 10, 32)
		if err != nil {
			response.FailWithMessage("用户ID格式错误", c)
			return
		}
		userId = uint(userIdUint)
	} else {
		// 如果没有提供userId，从JWT中获取当前用户ID
		userId = uint(utils.GetUserID(c))
	}

	stats, err := service.ServiceGroupApp.LearningServiceGroup.UserExamService.GetUserExamStatistics(c.Request.Context(), userId)
	if err != nil {
		global.GVA_LOG.Error("获取失败!", zap.Error(err))
		response.FailWithMessage("获取失败", c)
		return
	}
	response.OkWithData(stats, c)
}

// GetExamRanking 获取考试排行榜
// @Tags UserExam
// @Summary 获取考试排行榜
// @Security ApiKeyAuth
// @accept application/json
// @Produce application/json
// @Param examId query uint true "考试ID"
// @Param limit query int false "限制数量"
// @Success 200 {object} response.Response{data=learningReq.ExamRankingResponse,msg=string} "获取成功"
// @Router /userExam/getExamRanking [get]
func (userExamApi *UserExamApi) GetExamRanking(c *gin.Context) {
	examIdStr := c.Query("examId")
	limitStr := c.Query("limit")

	examId, err := strconv.ParseUint(examIdStr, 10, 32)
	if err != nil {
		response.FailWithMessage("考试ID格式错误", c)
		return
	}

	limit := 10 // 默认限制10条
	if limitStr != "" {
		if l, err := strconv.Atoi(limitStr); err == nil {
			limit = l
		}
	}

	ranking, err := service.ServiceGroupApp.LearningServiceGroup.UserExamService.GetExamRanking(c.Request.Context(), uint(examId), limit)
	if err != nil {
		global.GVA_LOG.Error("获取失败!", zap.Error(err))
		response.FailWithMessage("获取失败", c)
		return
	}
	response.OkWithData(ranking, c)
}