package controller

import (
	"case-api/api/dao"
	"case-api/api/dto"
	"case-api/api/model"
	"case-api/api/requests"
	"case-api/api/responses"
	"case-api/api/service"
	"case-api/global"
	"case-api/utils"
	"github.com/gin-gonic/gin"
	"math"
	"strconv"
	"time"
)

type Case struct {
}

// GetCasePage 获取列表-分页
func (b *Case) GetCasePage(c *gin.Context) {
	caseRequest := requests.CaseRequest{}
	req := caseRequest.GetCasePage
	if err := c.ShouldBind(&req); err != nil {
		responses.FailWithMessage(err.Error(), c)
		return
	}

	// 参数验证
	if err := global.Validate.Struct(req); err != nil {
		responses.FailWithMessage(utils.Translate(err), c)
		return
	}

	if req.Page == 0 {
		req.Page = 1
	}

	if req.PageSize == 0 {
		req.PageSize = 20
	}

	platformId := c.GetInt64("PlatformId") // 平台id
	if platformId == 0 {
		responses.FailWithMessage("内部错误", c)
		return
	}

	req.PlatformId = platformId

	userId := c.GetInt64("UserId") // 用户id
	if userId == 0 {
		responses.FailWithMessage("内部错误", c)
		return
	}

	req.UserId = userId

	// 获取用户信息
	userDao := dao.UserDao{}
	user, err := userDao.GetUserById(userId)
	if err != nil {
		responses.FailWithMessage("内部错误", c)
		return
	}

	// 获取数据
	caseDao := dao.CaseDao{}
	cases, total, err := caseDao.GetCasePageSearch(req, req.Page, req.PageSize)
	if err != nil {
		responses.FailWithMessage(err.Error(), c)
		return
	}

	// 处理返回值
	g := dto.GetCaseListDto(cases)

	projectPlatformDao := dao.ProjectPlatformDao{}
	casePlatformDao := dao.CasePlatformDao{}
	userService := service.UserService{}
	for _, caseDto := range g {
		// 加载是否为新病例(最近7天)
		caseDto.LoadIsNew(caseDto.CreatedAt)

		// 获取项目关联平台
		maps := make(map[string]interface{})
		maps["project_id"] = caseDto.ProjectId
		maps["platform_id"] = platformId
		projectPlatform, _ := projectPlatformDao.GetProjectPlatform(maps)
		if projectPlatform != nil {
			if caseDto.CaseStatus != 1 {
				continue
			}

			// 获取病例平台表
			maps = make(map[string]interface{})
			maps["case_id"] = caseDto.CaseId
			maps["platform_id"] = platformId
			casePlatform, err := casePlatformDao.GetCasePlatform(maps)
			if err != nil && casePlatform == nil {
				continue
			}

			if projectPlatform.IsWelfare == 1 {
				// 单个病例总积分-单个病例已发放积分
				diffScore := projectPlatform.SingleCaseScore - casePlatform.IssuedScore
				if diffScore > 0 {
					caseDto.IsWelfare = 1
				}
			}
		}

		// 检测用户是否已参与过病例 -- 需考虑相同手机号的用户
		caseId, err := strconv.ParseInt(caseDto.CaseId, 10, 64)
		if err != nil {
			responses.Fail(c)
			return
		}

		isJoin := userService.CheckUserIsJoinCase(caseId, user.MobileEncryption)
		if isJoin == true {
			caseDto.LoadIsJoin(true)
		}
	}

	result := make(map[string]interface{})
	result["page"] = req.Page
	result["page_size"] = req.PageSize
	result["total"] = total
	result["data"] = g
	responses.OkWithData(result, c)
}

// GetCaseQuestionSelectList 获取病例题目选择列表
func (b *Case) GetCaseQuestionSelectList(c *gin.Context) {
	id := c.Param("case_id")
	if id == "" {
		responses.FailWithMessage("缺少参数", c)
		return
	}

	// 将 id 转换为 int64 类型
	caseId, err := strconv.ParseInt(id, 10, 64)
	if err != nil {
		responses.Fail(c)
		return
	}

	platformId := c.GetInt64("PlatformId") // 平台id
	if platformId == 0 {
		responses.FailWithMessage("内部错误", c)
		return
	}

	userId := c.GetInt64("UserId") // 用户id
	if userId == 0 {
		responses.FailWithMessage("内部错误", c)
		return
	}

	// 检测病例是否属于平台
	casePlatformDao := dao.CasePlatformDao{}
	maps := make(map[string]interface{})
	maps["case_id"] = caseId
	maps["platform_id"] = platformId
	_, err = casePlatformDao.GetCasePlatform(maps)
	if err != nil {
		responses.FailWithMessage("非法数据", c)
		return
	}

	// 获取病例详情
	caseDao := dao.CaseDao{}
	result, err := caseDao.GetCaseById(caseId)
	if err != nil {
		responses.FailWithMessage(err.Error(), c)
		return
	}

	// 获取病例题目列表
	caseItemQuestionDao := dao.CaseItemQuestionDao{}
	maps = make(map[string]interface{})
	maps["case_id"] = caseId
	caseItemQuestions, err := caseItemQuestionDao.GetCaseItemQuestionPreloadList(maps)

	g := make([]*dto.CaseItemQuestionDto, len(caseItemQuestions))

	for i, v := range caseItemQuestions {
		questionDto := dto.GetCaseItemQuestionDto(v)

		// 加载数据-病例明细-题目-选项
		if len(v.CaseItemQuestionOption) > 0 {
			questionDto = questionDto.LoadCaseItemQuestionOption(v.CaseItemQuestionOption)
		}

		if len(v.StatCaseQuestion) > 0 {
			for _, optionDto := range questionDto.CaseItemQuestionOption {
				for _, caseQuestionDto := range v.StatCaseQuestion {
					// 将 id 转换为 int64 类型
					optionId, err := strconv.ParseInt(optionDto.OptionId, 10, 64)
					if err != nil {
						responses.Fail(c)
						return
					}

					if optionId == caseQuestionDto.QuestionId {
						// 占比
						proportion := math.Round(float64(caseQuestionDto.SelectNum)/float64(result.JoinNum)*10000) / 100

						optionDto.LoadProportion(proportion)
					}
				}
			}
		}

		// 将转换后的结构体添加到新切片中
		g[i] = questionDto
	}

	responses.OkWithData(g, c)
}

// FinishCase 完成病例
func (b *Case) FinishCase(c *gin.Context) {
	caseRequest := requests.CaseRequest{}
	req := caseRequest.FinishCase
	if err := c.ShouldBindJSON(&req); err != nil {
		responses.FailWithMessage(err.Error(), c)
		return
	}

	// 参数验证
	if err := global.Validate.Struct(req); err != nil {
		responses.FailWithMessage(utils.Translate(err), c)
		return
	}

	if len(req.Answer) > 0 || req.Answer == nil {
		for _, answer := range req.Answer {
			if err := global.Validate.Struct(answer); err != nil {
				responses.FailWithMessage(utils.Translate(err), c)
				return
			}
		}
	}

	id := c.Param("case_id")
	if id == "" {
		responses.FailWithMessage("缺少参数", c)
		return
	}

	// 将 id 转换为 int64 类型
	caseId, err := strconv.ParseInt(id, 10, 64)
	if err != nil {
		responses.Fail(c)
		return
	}

	platformId := c.GetInt64("PlatformId") // 平台id
	if platformId == 0 {
		responses.FailWithMessage("内部错误", c)
		return
	}

	userId := c.GetInt64("UserId") // 用户id
	if userId == 0 {
		responses.FailWithMessage("内部错误", c)
		return
	}

	projectId, err := strconv.ParseInt(req.ProjectId, 10, 64)
	if err != nil {
		responses.Fail(c)
		return
	}

	req.PlatformId = platformId
	req.UserId = userId

	// 获取病例数据
	caseDao := dao.CaseDao{}
	caseResult, err := caseDao.GetCaseById(caseId)
	if err != nil {
		responses.FailWithMessage("非法病例", c)
		return
	}

	if caseResult.CaseStatus == 2 {
		responses.FailWithMessage("非法病例", c)
		return
	}

	// 检测病例是否属于平台
	casePlatformDao := dao.CasePlatformDao{}
	maps := make(map[string]interface{})
	maps["case_id"] = caseId
	maps["platform_id"] = platformId
	casePlatform, err := casePlatformDao.GetCasePlatform(maps)
	if err != nil {
		responses.FailWithMessage("非法数据", c)
		return
	}

	// 获取用户信息
	userDao := dao.UserDao{}
	user, err := userDao.GetUserById(userId)
	if err != nil {
		responses.FailWithMessage("非法用户", c)
		return
	}

	// 检测用户是否属于白名单
	projectPlatformWhiteService := service.ProjectPlatformWhiteService{}
	isWhite, _ := projectPlatformWhiteService.CheckProjectPlatformWhiteByUser(user, projectId, platformId)

	// 开始事务
	tx := global.Db.Begin()
	defer func() {
		if r := recover(); r != nil {
			tx.Rollback()
		}
	}()

	// 检测用户是否已参与过病例 -- 需考虑相同手机号的用户
	userService := service.UserService{}
	isJoin := userService.CheckUserIsJoinCase(caseId, user.MobileEncryption)
	if isJoin == true {
		tx.Rollback()
		// 已参与该病例，无法完成
		responses.Ok(c)
		return
	}

	caseService := service.CaseService{}

	if req.Content != "" {
		// 处理评论内容
		basicSensitiveWordService := service.BasicSensitiveWordService{}
		content, isSensitive := basicSensitiveWordService.Filter(req.Content)

		// 新增评论
		caseCommentDao := dao.CaseCommentDao{}
		caseComment := &model.CaseComment{
			CaseId:             caseId,
			PlatformId:         platformId,
			Level:              1,
			UserId:             userId,
			Status:             1,
			IsSensitive:        isSensitive,
			IsHighQuality:      0,
			IsGrantHighQuality: 0,
			LikeNum:            0,
			Content:            content,
		}

		if isSensitive == 1 {
			caseComment.ContentWord = req.Content
		}

		caseComment, err = caseCommentDao.AddCaseComment(tx, caseComment)
		if err != nil {
			tx.Rollback()
			responses.FailWithMessage("评论失败", c)
			return
		}

		// 增加病例留言人数
		err = caseService.AddCaseMessageNum(tx, caseId, casePlatform.CasePlatformId)
		if err != nil {
			tx.Rollback()
			responses.FailWithMessage("评论失败", c)
			return
		}
	}

	if req.StartRead == "" || req.EndRead == "" {
		tx.Rollback()
		responses.FailWithMessage("参数错误", c)
		return
	}

	// 新增参与记录
	caseUser := &model.CaseUser{
		CaseId:        caseId,
		PlatformId:    platformId,
		UserId:        userId,
		ShareUserIden: req.ShareUserIden,
		TotalScore:    0,
	}

	// 开始参与时间
	startRead, err := time.Parse("2006-01-02 15:04:05", req.StartRead)
	if err != nil {
		tx.Rollback()
		responses.FailWithMessage("评论失败9", c)
		return
	}
	caseUser.StartTime = model.LocalTime(startRead)

	// 结束参与时间
	endRead, err := time.Parse("2006-01-02 15:04:05", req.EndRead)
	if err != nil {
		tx.Rollback()
		responses.FailWithMessage("评论失败8", c)
		return
	}
	caseUser.EndTime = model.LocalTime(endRead)

	// 计算阅读时长
	readDuration := endRead.Sub(startRead)
	if readDuration <= 0 {
		tx.Rollback()
		responses.FailWithMessage("评论失败7", c)
		return
	}
	caseUser.ReadDuration = int(readDuration.Seconds())
	caseUserDao := dao.CaseUserDao{}
	_, err = caseUserDao.AddCaseUser(tx, caseUser)
	if err != nil {
		tx.Rollback()
		responses.FailWithMessage("评论失败6", c)
		return
	}

	// 增加病例参加人数
	err = caseService.AddCaseJoinNum(tx, caseId, casePlatform.CasePlatformId, isWhite)
	if err != nil {
		tx.Rollback()
		responses.FailWithMessage("评论失败5", c)
		return
	}

	// 增加用户答题记录
	if len(req.Answer) > 0 || req.Answer == nil {
		err = userService.AddCaseUserAnswer(tx, caseId, platformId, userId, caseUser.CaseUserId, req.Answer)
		if err != nil {
			tx.Rollback()
			responses.FailWithMessage("评论失败4", c)
			return
		}
	}

	// 发放积分-完成阅读
	err = userService.ReportUserScore(tx, caseResult.ProjectId, caseId, platformId, 1, user)
	if err != nil {
		tx.Rollback()
		responses.FailWithMessage("评论失败3", c)
		return
	}

	// 获取项目关联平台配置
	projectPlatformDao := dao.ProjectPlatformDao{}
	maps = make(map[string]interface{})
	maps["project_id"] = req.ProjectId
	maps["platform_id"] = platformId
	projectPlatform, err := projectPlatformDao.GetProjectPlatform(maps)
	if err != nil {
		tx.Rollback()
		responses.FailWithMessage("评论失败1", c)
		return
	}

	// 发放积分-阅读时间满足
	if int(readDuration.Seconds()) >= projectPlatform.ReadDuration {
		err = userService.ReportUserScore(tx, caseResult.ProjectId, caseId, platformId, 2, user)
		if err != nil {
			tx.Rollback()
			responses.FailWithMessage("评论失败2", c)
			return
		}
	}

	// 上报用户答题数据
	if len(req.Answer) > 0 || req.Answer == nil {
		err = userService.ReportCaseUserAnswer(caseId, platformId, user, caseUser)
		if err != nil {
			// 失败不返回，只记录日志。
			utils.LogJsonErr("上报用户答题数据", err.Error())
		}
	}

	tx.Commit()
	responses.Ok(c)
}

// GetCase 获取详情
func (b *Case) GetCase(c *gin.Context) {
	id := c.Param("case_id")
	if id == "" {
		responses.FailWithMessage("缺少参数", c)
		return
	}

	// 将 id 转换为 int64 类型
	caseId, err := strconv.ParseInt(id, 10, 64)
	if err != nil {
		responses.Fail(c)
		return
	}

	platformId := c.GetInt64("PlatformId") // 平台id
	if platformId == 0 {
		responses.FailWithMessage("内部错误", c)
		return
	}

	userId := c.GetInt64("UserId") // 用户id
	if userId == 0 {
		responses.FailWithMessage("内部错误", c)
		return
	}

	// 获取用户信息
	userDao := dao.UserDao{}
	user, err := userDao.GetUserById(userId)
	if err != nil {
		responses.FailWithMessage("内部错误", c)
		return
	}

	// 检测病例是否属于平台
	casePlatformDao := dao.CasePlatformDao{}
	maps := make(map[string]interface{})
	maps["case_id"] = caseId
	maps["platform_id"] = platformId
	_, err = casePlatformDao.GetCasePlatform(maps)
	if err != nil {
		responses.FailWithMessage("非法数据", c)
		return
	}

	// 获取病例详情
	caseDao := dao.CaseDao{}
	result, err := caseDao.GetCaseById(caseId)
	if err != nil {
		responses.FailWithMessage(err.Error(), c)
		return
	}

	if result.CaseStatus == 2 {
		responses.FailWithMessage("数据异常", c)
		return
	}

	g := dto.GetCaseDto(result)

	caseItemDao := dao.CaseItemDao{}
	maps = make(map[string]interface{})
	maps["case_id"] = caseId
	caseItems, err := caseItemDao.GetCaseItemList(maps)
	if err != nil {
		responses.FailWithMessage("数据异常", c)
		return
	}

	// 检测用户是否已参与过病例 -- 需考虑相同手机号的用户
	userService := service.UserService{}
	isJoin := userService.CheckUserIsJoinCase(caseId, user.MobileEncryption)
	if isJoin == true {
		// 已参与该病例
		g.LoadIsJoin(true)
	}

	// 加载数据-病例明细
	g.LoadCaseItem(caseItems)

	// 获取项目关联平台
	projectPlatformDao := dao.ProjectPlatformDao{}
	maps = make(map[string]interface{})
	maps["project_id"] = result.ProjectId
	maps["platform_id"] = platformId
	projectPlatform, _ := projectPlatformDao.GetProjectPlatform(maps)
	if projectPlatform == nil {
		responses.FailWithMessage("数据异常", c)
		return
	}

	// 获取病例平台表
	maps = make(map[string]interface{})
	maps["case_id"] = result.CaseId
	maps["platform_id"] = platformId
	casePlatform, _ := casePlatformDao.GetCasePlatform(maps)
	if casePlatform == nil {
		responses.FailWithMessage("数据异常", c)
		return
	}

	if projectPlatform.IsWelfare == 1 {
		// 单个病例总积分-单个病例已发放积分
		diffScore := projectPlatform.SingleCaseScore - casePlatform.IssuedScore
		if diffScore > 0 {
			g.IsWelfare = 1
		}
	}

	caseItemQuestionDao := dao.CaseItemQuestionDao{}
	caseItemModelDao := dao.CaseItemModelDao{}
	for _, item := range g.CaseItem {
		// 模块
		maps = make(map[string]interface{})
		maps["case_item_id"] = item.CaseItemId
		caseItemModel, err := caseItemModelDao.GetCaseItemModelList(maps)
		if err != nil {
			responses.FailWithMessage("数据异常", c)
			return
		}

		item.LoadCaseItemModel(caseItemModel)

		maps = make(map[string]interface{})
		maps["case_item_id"] = item.CaseItemId
		caseItemQuestions, err := caseItemQuestionDao.GetCaseItemQuestionPreloadList(maps)
		if err == nil && len(caseItemQuestions) > 0 {
			// 加载数据-病例明细-题目
			caseItemQuestionDto := make([]*dto.CaseItemQuestionDto, len(caseItemQuestions))

			for i, v := range caseItemQuestions {
				questionDto := dto.GetCaseItemQuestionDto(v)

				// 加载数据-病例明细-题目-选项
				if len(v.CaseItemQuestionOption) > 0 {
					questionDto = questionDto.LoadCaseItemQuestionOption(v.CaseItemQuestionOption)
				}

				if len(v.StatCaseQuestion) > 0 {
					for _, optionDto := range questionDto.CaseItemQuestionOption {
						for _, caseQuestionDto := range v.StatCaseQuestion {
							// 将 id 转换为 int64 类型
							optionId, err := strconv.ParseInt(optionDto.OptionId, 10, 64)
							if err != nil {
								responses.Fail(c)
								return
							}

							if optionId == caseQuestionDto.OptionId {
								// 计算占比
								proportion := math.Round(float64(caseQuestionDto.SelectNum)/float64(result.JoinNum)*10000) / 100

								// 加载数据-占比
								optionDto.LoadProportion(proportion)

								// 加载数据-被选择数量
								optionDto.LoadSelectNum(caseQuestionDto.SelectNum)
							}
						}
					}
				}

				// 将转换后的结构体添加到新切片中
				caseItemQuestionDto[i] = questionDto
			}

			item.CaseItemQuestion = caseItemQuestionDto
		}

	}

	responses.OkWithData(g, c)
}