package user

import (
	"errors"
	"eta/eta_mini_ht_api/common/component/cache"
	logger "eta/eta_mini_ht_api/common/component/log"
	"eta/eta_mini_ht_api/common/exception"
	"eta/eta_mini_ht_api/common/utils/page"
	"eta/eta_mini_ht_api/controllers"
	permissionService "eta/eta_mini_ht_api/domian/config"
	reportDomian "eta/eta_mini_ht_api/domian/report"
	chartService "eta/eta_mini_ht_api/service/media"
	"eta/eta_mini_ht_api/service/report"
	"eta/eta_mini_ht_api/service/user"
	userService "eta/eta_mini_ht_api/service/user"
	"gorm.io/gorm"
	"sync"
)

// BookMarkController Operations about bookmark
type BookMarkController struct {
	controllers.ListController
	redis *cache.RedisCache
}

const (
	Chart  = "chart"
	Report = "report"
)

func (bk *BookMarkController) Prepare() {
	bk.ListController.Prepare()
	bk.redis = cache.GetInstance()
}

type BookMarkReq struct {
	SourceType  string `json:"sourceType"`
	SourceId    int    `json:"sourceId"`
	ChartImage  string `json:"chartImage"`
	ChartInfoId int    `json:"chartInfoId"`
	ChartName   string `json:"chartName"`
	UniqueCode  string `json:"uniqueCode"`
}

// BookMark  收藏
// @Summary 收藏
// @Description 收藏
// @Success 200 {object} controllers.BaseResponse
// @router /bookMark [post]
func (bk *BookMarkController) BookMark() {
	controllers.Wrap(&bk.BaseController, func() (result *controllers.WrapData, err error) {
		result = bk.InitWrapData("收藏失败")
		bookMark := new(BookMarkReq)
		bk.GetPostParams(bookMark)
		var userInfo user.User
		userInfo = bk.Data["user"].(user.User)
		if bookMark.SourceType == "" {
			bk.FailedResult("收藏失败", result)
			err = exception.New(exception.IllegalSourceType)
			return
		}
		if bookMark.SourceId == 0 {
			bk.FailedResult("收藏失败", result)
			err = exception.New(exception.IllegalSourceId)
			return
		}
		err = userService.BookMark(userInfo.Id, bookMark.SourceId, bookMark.SourceType)
		if err != nil {
			err = exception.NewWithException(exception.FeedBackError, err.Error())
			bk.FailedResult("收藏失败", result)
			return
		}
		//将图表加入es
		if bookMark.SourceType == Chart {
			chartService.AddChartToEs(chartService.ChartInfo{
				ChartImage:  bookMark.ChartImage,
				ChartInfoId: bookMark.ChartInfoId,
				ChartName:   bookMark.ChartName,
				UniqueCode:  bookMark.UniqueCode,
			})
		}
		bk.SuccessResult("收藏成功", nil, result)
		return
	})
}

// UnBookMark  取消收藏
// @Summary 取消收藏
// @Description 取消收藏
// @Success 200 {object} controllers.BaseResponse
// @router /unBookMark [post]
func (bk *BookMarkController) UnBookMark() {
	controllers.Wrap(&bk.BaseController, func() (result *controllers.WrapData, err error) {
		result = bk.InitWrapData("取消收藏失败")
		bookMark := new(BookMarkReq)
		bk.GetPostParams(bookMark)
		var userInfo user.User
		userInfo = bk.Data["user"].(user.User)
		if bookMark.SourceType == "" {
			bk.FailedResult("取消收藏失败", result)
			err = exception.New(exception.IllegalSourceType)
			return
		}
		if bookMark.SourceId == 0 {
			bk.FailedResult("取消收藏失败", result)
			err = exception.New(exception.IllegalSourceId)
			return
		}
		err = userService.UnBookMark(userInfo.Id, bookMark.SourceId, bookMark.SourceType)
		if err != nil {
			err = exception.NewWithException(exception.FeedBackError, err.Error())
			bk.FailedResult("取消收藏失败", result)
			return
		}
		bk.SuccessResult("收藏成功", nil, result)
		return
	})
}

type CheckBookMarkResp struct {
	IsBookMarked bool `json:"isBookMarked"`
}

// CheckBookMark  取消收藏
// @Summary 取消收藏
// @Description 取消收藏
// @Success 200 {object} controllers.BaseResponse
// @router /checkBookMark [post]
func (bk *BookMarkController) CheckBookMark() {
	controllers.Wrap(&bk.BaseController, func() (result *controllers.WrapData, err error) {
		result = bk.InitWrapData("取消收藏失败")
		bookMark := new(BookMarkReq)
		bk.GetPostParams(bookMark)
		var userInfo user.User
		userInfo = bk.Data["user"].(user.User)
		if bookMark.SourceType == "" {
			bk.FailedResult("获取是否收藏失败", result)
			err = exception.New(exception.IllegalSourceType)
			return
		}
		if bookMark.SourceId == 0 {
			bk.FailedResult("获取是否收藏失败", result)
			err = exception.New(exception.IllegalSourceId)
			return
		}
		isBookMarked, err := userService.CheckBookMarkStatus(userInfo.Id, bookMark.SourceId, bookMark.SourceType)
		if err != nil {
			err = exception.NewWithException(exception.FeedBackError, err.Error())
			bk.FailedResult("获取是否收藏失败", result)
			return
		}
		bk.SuccessResult("获取是否收藏成功", &CheckBookMarkResp{
			IsBookMarked: isBookMarked,
		}, result)
		return
	})
}

// BookMarkSearch 搜索收藏列表
// @Description 搜索报告列表
// @Success 200 {object}
// @router /bookMarkSearch [get]
func (bk *BookMarkController) BookMarkSearch(key string) {
	controllers.Wrap(&bk.BaseController, func() (result *controllers.WrapData, err error) {
		result = bk.InitWrapData("分页搜索报告列表失败")
		if key == "" {
			err = exception.New(exception.SearchKeyEmptyError)
			bk.FailedResult("分页搜索报告列表失败", result)
			return
		}
		userInfo := bk.Data["user"].(user.User)
		pageRes := page.Page{
			Current:  bk.PageInfo.Current,
			PageSize: bk.PageInfo.PageSize,
		}
		//获取当前可以被搜索的报告原始ID
		//先要限制查询的id范围
		var reportIds []int
		var mappingRiskLevel string
		var userRiskStatus string
		pageRes.Total, pageRes.LatestId, reportIds, _, mappingRiskLevel, userRiskStatus, err = report.RangeSearch(key, true, userInfo.Id)
		if err != nil {
			logger.Error("获取报告原始ID列表失败:%v", err)
			bk.FailedResult("分页搜索报告列表失败", result)
			return
		}
		if len(reportIds) == 0 {
			reports := new(page.PageResult)
			reports.Data = []reportDomian.ReportDTO{}
			reports.Page = pageRes
			logger.Info("没有可以查询的报告列表")
			bk.SuccessResult("分页搜索报告列表成功", reports, result)
			return
		}

		if bk.PageInfo.LatestId == 0 {
			//pageRes.Total, pageRes.LatestId = report.SearchMaxReportId(key)
			bk.PageInfo.LatestId = pageRes.LatestId
			bk.PageInfo.Total = pageRes.Total
		} else {
			pageRes.LatestId = bk.PageInfo.LatestId
			pageRes.Total = bk.PageInfo.Total
		}
		pageRes.TotalPage = page.TotalPages(pageRes.Total, pageRes.PageSize)
		list := make([]reportDomian.ReportDTO, 0)
		if pageRes.LatestId > 0 {
			list, err = report.SearchReportList(key, reportIds, bk.PageInfo, true, userInfo.Id, mappingRiskLevel, userRiskStatus)
			if err != nil {
				bk.FailedResult("分页搜索报告列表失败", result)
				return
			}
		}
		reports := new(page.PageResult)
		reports.Data = list
		reports.Page = pageRes
		bk.SuccessResult("分页搜索报告列表成功", reports, result)
		return
	})
}

type BookMarkListReq struct {
	SourceType string `json:"source_type"`
}

// SearchBookMark 获取收藏列表
// @Description 获取收藏列表
// @Success 200 {object}
// @router /searchBookMark [get]
func (bk *BookMarkController) SearchBookMark(sourceType string, key string) {
	controllers.Wrap(&bk.BaseController, func() (result *controllers.WrapData, err error) {
		result = bk.InitWrapData("分页搜索收藏列表失败")
		pageRes := page.Page{
			Current:  bk.PageInfo.Current,
			PageSize: bk.PageInfo.PageSize,
		}
		if sourceType == "" || (sourceType != Report && sourceType != Chart) {
			err = exception.New(exception.IllegalSourceType)
			bk.FailedResult("分页搜索收藏列表失败", result)
			return
		}
		userInfo := bk.Data["user"].(user.User)
		var sourceIds []int
		pageRes.Total, sourceIds, err = user.GetTotalBookMarkPageBySourceType(userInfo.Id, sourceType)
		//隐藏品种信息未设置风险等级的报告
		if sourceType == Report {
			pageRes.Total, sourceIds, err = report.FilterReportIds(sourceIds)
		}
		if pageRes.Total == 0 {
			bookMarks := new(page.PageResult)
			bookMarks.Data = []interface{}{}
			bookMarks.Page = pageRes
			bk.SuccessResult("分页搜索收藏列表列表成功", bookMarks, result)
			return
		}
		pageRes.Total = bk.PageInfo.Total
		pageRes.TotalPage = page.TotalPages(pageRes.Total, pageRes.PageSize)
		var bookMarkList []userService.BookMarkInterface
		bookMarkList, err = user.SearchBookMark(key, sourceType, sourceIds, bk.PageInfo, userInfo.Id)
		if err != nil {
			err = exception.New(exception.BookMarkListFailed)
			bk.FailedResult("分页搜索收藏列表失败", result)
			return
		}
		bookMarks := new(page.PageResult)
		bookMarks.Data = bookMarkList
		bookMarks.Page = pageRes
		bk.SuccessResult("分页搜索收藏列表成功", bookMarks, result)
		return
	})
}

// BookMarkList 获取收藏列表
// @Description 获取收藏列表
// @Success 200 {object}
// @router /bookMarkList [get]
func (bk *BookMarkController) BookMarkList(sourceType string) {
	controllers.Wrap(&bk.BaseController, func() (result *controllers.WrapData, err error) {
		result = bk.InitWrapData("分页查询收藏列表失败")
		pageRes := page.Page{
			Current:  bk.PageInfo.Current,
			PageSize: bk.PageInfo.PageSize,
		}
		if sourceType == "" || (sourceType != Report && sourceType != Chart) {
			err = exception.New(exception.IllegalSourceType)
			bk.FailedResult("分页查询收藏列表失败", result)
			return
		}
		userInfo := bk.Data["user"].(user.User)
		var sourceIds []int
		pageRes.Total, sourceIds, err = user.GetTotalBookMarkPageBySourceType(userInfo.Id, sourceType)
		//隐藏品种信息未设置风险等级的报告
		if sourceType == Report {
			pageRes.Total, sourceIds, err = report.FilterReportIds(sourceIds)
		}
		if pageRes.Total == 0 {
			bookMarks := new(page.PageResult)
			bookMarks.Data = []interface{}{}
			bookMarks.Page = pageRes
			bk.SuccessResult("分页查询收藏列表成功", bookMarks, result)
			return
		}
		pageRes.Total = bk.PageInfo.Total
		pageRes.TotalPage = page.TotalPages(pageRes.Total, pageRes.PageSize)
		switch sourceType {
		case Report:
			var list []userService.BookMarkReport
			list, err = getReportList(bk.PageInfo, userInfo.Id, sourceIds)
			if err != nil {
				err = exception.NewWithException(exception.GetBookMarkListFailed, err.Error())
				bk.FailedResult("分页查询收藏列表失败", result)
				return
			}
			bookMarks := new(page.PageResult)
			bookMarks.Data = list
			bookMarks.Page = pageRes
			bk.SuccessResult("分页查询收藏列表成功", bookMarks, result)
			return
		case Chart:
			var list []userService.BookMarkChart
			list, err = getChartList(bk.PageInfo, userInfo.Id)
			if err != nil {
				err = exception.NewWithException(exception.GetBookMarkListFailed, err.Error())
				bk.FailedResult("分页查询收藏列表失败", result)
				return
			}
			bookMarks := new(page.PageResult)
			bookMarks.Data = list
			bookMarks.Page = pageRes
			bk.SuccessResult("分页查询收藏列表成功", bookMarks, result)
			return
		default:
			err = exception.New(exception.IllegalSourceType)
			bk.FailedResult("分页查询收藏列表失败", result)
			return
		}
	})
}

func getReportList(info page.PageInfo, templateUserId int, sourceIds []int) (list []userService.BookMarkReport, err error) {
	sourceIds, err = userService.GetBookMarkPageRangeBySourceType(templateUserId, info, Report, sourceIds)
	if err != nil {
		return
	}
	userProfile, userErr := user.GetUserProfile(templateUserId)
	if userErr != nil {
		if errors.Is(userErr, gorm.ErrRecordNotFound) {
			err = exception.New(exception.TemplateUserNotFound)
		} else {
			err = exception.New(exception.TemplateUserFoundFailed)
		}
		logger.Error("获取临时客户信息失败:%v", err)
		return
	}
	var mappingRiskLevel, userRiskStatus string
	userRiskStatus = userProfile.RiskLevelStatus
	if userProfile.RiskLevel != "" {
		var mapping permissionService.CustomerProductRiskMappingDTO
		mapping, err = permissionService.GetRiskMappingByCustomerRiskLevel(userProfile.RiskLevel)
		if err != nil {
			logger.Error("查询产品风险等级映射失败:%v", err)
			return
		}
		mappingRiskLevel = mapping.ProductRiskLevel
	}
	reports, err := report.GetReportListById(templateUserId, sourceIds, mappingRiskLevel, userRiskStatus)
	if err != nil {
		return nil, err
	}
	list = make([]userService.BookMarkReport, len(sourceIds))
	// 并发获取数据
	for index, sourceId := range sourceIds {
		for _, reportDTO := range reports {
			if reportDTO.ReportID == sourceId {
				reportInfo := userService.ConvertToBookMarkReport(reportDTO)
				list[index] = reportInfo
			}
		}
	}
	return
}

func getChartList(info page.PageInfo, templateUserId int) (list []userService.BookMarkChart, err error) {
	sourceIds, err := userService.GetBookMarkPageBySourceType(templateUserId, info, Chart)
	if err != nil {
		return
	}
	// 创建一个切片来存储结果，长度与 sourceIds 相同
	list = make([]userService.BookMarkChart, len(sourceIds))
	// 使用 WaitGroup 来等待所有 goroutine 完成
	var wg sync.WaitGroup
	wg.Add(len(sourceIds))
	// 使用 Mutex 来保护对 list 的写操作
	var mu sync.Mutex
	// 并发获取数据
	for index, sourceId := range sourceIds {
		go func(index int, id int) {
			defer wg.Done()
			var data chartService.ChartInfo
			data, err = chartService.GetChartById(id)
			chartInfo := userService.ConvertToBookMarkChart(data)
			if err != nil {
				logger.Error("获取数据失败: %v", err)
			}
			// 使用 Mutex 保护对 list 的写操作
			mu.Lock()
			list[index] = chartInfo
			mu.Unlock()
		}(index, sourceId)

	}
	// 等待所有 goroutine 完成
	wg.Wait()
	return
}