package media

import (
	"errors"
	logger "eta/eta_mini_ht_api/common/component/log"
	"eta/eta_mini_ht_api/common/exception"
	"eta/eta_mini_ht_api/common/utils/page"
	stringUtils "eta/eta_mini_ht_api/common/utils/string"
	permissionService "eta/eta_mini_ht_api/domian/config"
	mediaService "eta/eta_mini_ht_api/domian/media"
	userService "eta/eta_mini_ht_api/domian/user"
	"eta/eta_mini_ht_api/service/user"
	"fmt"
	"gorm.io/gorm"
	"strconv"
	"strings"
	"sync"
)

const (
	RiskLevelUnMatch = "unMatch"
	RiskLevelUnTest  = "unTest"
	RiskLevelExpired = "expired"
	RiskLevelMatch   = "match"
)

type RecordCount struct {
	UserId     int
	Mobile     string
	MediaId    int
	MediaType  string
	IpAddress  string
	Location   string
	Referer    string
	Additional string
}

func convertToMediaCountDTO(record RecordCount) (dto userService.RecordCountDTO) {
	return userService.RecordCountDTO{
		UserId:   record.UserId,
		Mobile:   record.Mobile,
		SourceId: record.MediaId,
	}
}

func CountMedia(count RecordCount) (err error) {
	meida, err := mediaService.GetMediaById(count.MediaType, count.MediaId)
	if err != nil {
		err = exception.New(exception.MediaFoundFailed)
		return
	}
	dto := convertToMediaCountDTO(count)
	return userService.CountMedia(dto, meida.MediaType)
}
func GetTotalPageCount(mediaType string) (count int64, latestId int64) {
	if mediaType == "" {
		return
	}
	return mediaService.GetTotalPageCount(mediaType)
}
func GetTotalPageCountByAnalystId(mediaType string, analystId int) (total int64, latestId int64) {
	if mediaType == "" {
		return
	}
	return mediaService.GetTotalPageCountByAnalystId(mediaType, analystId)
}

func RangeSearchByAnalyst(mediaType string, analystId int, userId int) (total int64, latestId int64, ids []int) {
	var err error
	//登录了需要校验风险等级，如果风险等级没做或者过期直接返回空，做了就筛选风险等级
	userProfile, userErr := user.GetUserProfile(userId)
	if userErr != nil {
		if errors.Is(userErr, gorm.ErrRecordNotFound) {
			err = exception.New(exception.TemplateUserNotFound)
		} else {
			err = exception.New(exception.TemplateUserFoundFailed)
		}
		logger.Error("分页查询报告列表失败:%v", err)
		return
	}
	//获取产品风险等级
	if userProfile.RiskLevel == user.RiskUnTest {
		logger.Error("客户未做风险等级测评,mobile：%d", userProfile.Mobile)
		return
	}
	if userProfile.RiskLevelStatus == user.RiskExpired {
		logger.Error("客户风险等级已过期,mobile：%d", userProfile.Mobile)
		return
	}
	mapping, mappingErr := permissionService.GetRiskMappingByCustomerRiskLevel(userProfile.RiskLevel)
	if mappingErr != nil {
		logger.Error("查询产品风险等级映射失败:%v", mappingErr)
		return
	}
	var permissionList []permissionService.PermissionDTO
	//获取所有设置风险等级的品种
	permissionList, err = permissionService.GetPermissionListWithRisk()
	permissionList = filterPermissionsByRisk(permissionList, mapping.ProductRiskLevel)
	if len(permissionList) == 0 {
		return
	}
	var filterPermissionIds []int
	for _, permission := range permissionList {
		filterPermissionIds = append(filterPermissionIds, permission.PermissionId)
	}
	return mediaService.GetAnalystMediaPermissionMappingByPermissionIds(mediaType, filterPermissionIds, analystId)
}

func RangeSearch(mediaType string, isLogin bool, userId int) (total int64, latestId int64, ids []int) {
	var err error
	//登录了需要校验风险等级，如果风险等级没做或者过期直接返回空，做了就筛选风险等级
	if isLogin {
		userProfile, userErr := user.GetUserProfile(userId)
		if userErr != nil {
			if errors.Is(userErr, gorm.ErrRecordNotFound) {
				err = exception.New(exception.TemplateUserNotFound)
			} else {
				err = exception.New(exception.TemplateUserFoundFailed)
			}
			logger.Error("分页查询报告列表失败:%v", err)
			return
		}
		//获取产品风险等级
		if userProfile.RiskLevel == user.RiskUnTest {
			logger.Error("客户未做风险等级测评,mobile：%d", userProfile.Mobile)
			return
		}
		if userProfile.RiskLevelStatus == user.RiskExpired {
			logger.Error("客户风险等级已过期,mobile：%d", userProfile.Mobile)
			return
		}
		mapping, mappingErr := permissionService.GetRiskMappingByCustomerRiskLevel(userProfile.RiskLevel)
		if mappingErr != nil {
			logger.Error("查询产品风险等级映射失败:%v", mappingErr)
			return
		}
		var permissionList []permissionService.PermissionDTO
		//获取所有设置风险等级的品种
		permissionList, err = permissionService.GetPermissionListWithRisk()
		permissionList = filterPermissionsByRisk(permissionList, mapping.ProductRiskLevel)
		if len(permissionList) == 0 {
			return
		}
		var filterPermissionIds []int
		for _, permission := range permissionList {
			filterPermissionIds = append(filterPermissionIds, permission.PermissionId)
		}
		return mediaService.GetMediaPermissionMappingByPermissionIds(mediaType, filterPermissionIds)
	} else { //没有登录的时候展示所有设置了风险等级的品种报告，筛选的时候过滤传入ID中没有设置风险等级的品种
		var permissionList []permissionService.PermissionDTO
		//获取所有设置风险等级的品种
		permissionList, err = permissionService.GetPermissionListWithRisk()
		if err != nil {
			logger.Error("根据ID查询品种列表失败:%v", err)
		}
		var filterPermissionIds []int
		for _, permission := range permissionList {
			filterPermissionIds = append(filterPermissionIds, permission.PermissionId)
		}
		//查询品种
		return mediaService.GetMediaPermissionMappingByPermissionIds(mediaType, filterPermissionIds)
	}
}
func GetTotalPageCountByPermissionIds(mediaType string, permissionIds []int, isLogin bool, userId int) (total int64, latestId int64, ids []int) {
	if mediaType == "" {
		return
	}
	var err error
	//登录了需要校验风险等级，如果风险等级没做或者过期直接返回空，做了就筛选风险等级
	if isLogin {
		userProfile, userErr := user.GetUserProfile(userId)
		if userErr != nil {
			if errors.Is(userErr, gorm.ErrRecordNotFound) {
				err = exception.New(exception.TemplateUserNotFound)
			} else {
				err = exception.New(exception.TemplateUserFoundFailed)
			}
			logger.Error("分页查询媒体列表失败:%v", err)
			return
		}
		//获取产品风险等级
		if userProfile.RiskLevel == user.RiskUnTest {
			logger.Error("客户未做风险等级测评,mobile：%d", userProfile.Mobile)
			return
		}
		if userProfile.RiskLevelStatus == user.RiskExpired {
			logger.Error("客户风险等级已过期,mobile：%d", userProfile.Mobile)
			return
		}
		mapping, mappingErr := permissionService.GetRiskMappingByCustomerRiskLevel(userProfile.RiskLevel)
		if mappingErr != nil {
			logger.Error("查询产品风险等级映射失败:%v", mappingErr)
			return
		}
		var permissionList []permissionService.PermissionDTO
		if len(permissionIds) == 0 {
			//获取所有设置风险等级的品种
			permissionList, err = permissionService.GetPermissionListWithRisk()
		} else {
			//更具id过滤设置了风险等级的品种
			permissionList, err = permissionService.GetPermissionListByIds(permissionIds)
		}
		permissionList = filterPermissionsByRisk(permissionList, mapping.ProductRiskLevel)
		if len(permissionList) == 0 {
			return
		}
		var filterPermissionIds []int
		for _, permission := range permissionList {
			filterPermissionIds = append(filterPermissionIds, permission.PermissionId)
		}
		return mediaService.GetMediaPermissionMappingByPermissionIds(mediaType, filterPermissionIds)
	} else { //没有登录的时候展示所有设置了风险等级的品种报告，筛选的时候过滤传入ID中没有设置风险等级的品种
		var permissionList []permissionService.PermissionDTO
		if len(permissionIds) == 0 {
			//获取所有设置风险等级的品种
			permissionList, err = permissionService.GetPermissionListWithRisk()
		} else {
			//更具id过滤设置了风险等级的品种
			permissionList, err = permissionService.GetPermissionListByIds(permissionIds)
		}
		if err != nil {
			logger.Error("根据ID查询品种列表失败:%v", err)
		}
		var filterPermissionIds []int
		for _, permission := range permissionList {
			filterPermissionIds = append(filterPermissionIds, permission.PermissionId)
		}
		//查询品种
		return mediaService.GetMediaPermissionMappingByPermissionIds(mediaType, filterPermissionIds)
	}
	//if len(permissionIds) == 0 {
	//	total, latestId = mediaService.GetTotalPageCount(mediaType)
	//	ids = []int{}
	//	return
	//}
	//return mediaService.GetMediaPermissionMappingByPermissionIds(mediaType, permissionIds)
}
func parseRiskLevel(level string) (int, error) {
	parts := strings.Split(level, "R")
	if len(parts) < 2 {
		return 0, fmt.Errorf("无效的风险等级: %s", level)
	}
	numberStr := parts[1]
	number, err := strconv.Atoi(numberStr)
	if err != nil {
		return 0, fmt.Errorf("无法将风险等级转换为数字: %s", err)
	}
	return number, nil
}
func filterPermissionsByRisk(permissionList []permissionService.PermissionDTO, riskLevel string) (resultList []permissionService.PermissionDTO) {
	riskLevelNum, err := parseRiskLevel(riskLevel)
	if err != nil {
		logger.Error("风险等级解析失败:%v", err)
		return
	}
	for _, permission := range permissionList {
		pRiskNum, riskErr := parseRiskLevel(permission.RiskLevel)
		if riskErr != nil {
			logger.Error("解析品种风险等级失败 permission:%d,risk:%v", permission.PermissionId, permission.RiskLevel)
			continue
		}
		if pRiskNum <= riskLevelNum {
			resultList = append(resultList, permission)
		}
	}
	return
}
func SearchMaxMediaId(mediaType string, key string) (total int64, latestId int64) {
	return mediaService.SearchMaxMediaId(mediaType, key)
}
func GetMediaById(mediaType string, mediaId int, isLogin bool, userId int) (media mediaService.MediaDTO, err error) {
	media, err = mediaService.GetMediaById(mediaType, mediaId)
	if err != nil {
		logger.Error("获取媒体失败:%v", err)
		err = exception.New(exception.MediaFoundFailed)
		return
	}
	var status string
	status, err = matchRiskLevel(userId, media)
	if err != nil {
		logger.Error("匹配风险等级失败:%v", err)
		err = exception.New(exception.ReportRiskLevelUnSet)
		return
	}
	idStr := strings.Split(media.PermissionIDs, ",")
	var ids []int
	ids, err = stringUtils.StringToIntSlice(idStr)
	if err != nil {
		logger.Error("品种名称列表转换失败:%v", err)
		return
	}
	media.PermissionNames = getMediaPermissionNames(ids)
	if isLogin {
		media.Login = true
		if status != RiskLevelMatch {
			media.Src = ""
		}
		media.RiskLevelStatus = status
	} else {
		logger.Info("当前用户未登录,展示部分详情")
		media.Src = ""
		media.RiskLevelStatus = RiskLevelUnMatch
		media.Login = false
	}
	return
}
func matchRiskLevel(userId int, media mediaService.MediaDTO) (riskLevelMatch string, err error) {
	userProfile, userErr := user.GetUserProfile(userId)
	if userErr != nil {
		if errors.Is(userErr, gorm.ErrRecordNotFound) {
			logger.Error("用户信息不存在,mobile：%d", userProfile.Mobile)
			err = exception.New(exception.TemplateUserNotFound)
			return
		} else {
			logger.Error("获取用户信息失败:%v", userErr)
			err = exception.New(exception.TemplateUserFoundFailed)
			return
		}
	}
	//比较风险等级
	if userProfile.RiskLevelStatus == user.RiskUnTest {
		logger.Info("客户风险等级未测试,mobile：%d", userProfile.Mobile)
		riskLevelMatch = RiskLevelUnTest
		return
	}
	if userProfile.RiskLevelStatus == user.RiskExpired {
		logger.Info("客户风险等级已过期,mobile：%d", userProfile.Mobile)
		riskLevelMatch = RiskLevelExpired
		return
	}
	level, err := permissionService.GetRiskMappingByCustomerRiskLevel(userProfile.RiskLevel)
	if err != nil {
		logger.Error("获取媒体风险等级设置失败:%v", err)
		return
	}
	var permissionIds []int
	permissionStrList := strings.Split(media.PermissionIDs, ",")
	permissionIds, err = stringUtils.StringToIntSlice(permissionStrList)
	if err != nil {
		logger.Error("解析媒体品种ID列表失败:%v", err)
	}
	permissionDTOs, err := permissionService.GetPermissionListByIds(permissionIds)
	if err != nil {
		logger.Error("获取品种风险等级失败:%v", err)
		return
	}
	//能够查看最高等级
	matchNum, err := parseRiskLevel(level.ProductRiskLevel)
	if err != nil {
		logger.Error("解析风险等级失败:%v", err)
		return
	}
	if len(permissionDTOs) == 0 {
		logger.Error("当前报告对应品种未设置风险等级")
		err = exception.New(exception.ReportRiskLevelUnSet)
		return
	}
	//能够查看需要的最小等级
	num := getLowestRiskLevel(permissionDTOs)
	if num > matchNum {
		riskLevelMatch = RiskLevelUnMatch
		return
	} else {
		riskLevelMatch = RiskLevelMatch
		return
	}
}
func getLowestRiskLevel(permissions []permissionService.PermissionDTO) (riskLevelNum int) {
	for _, permission := range permissions {
		pRiskNum, err := parseRiskLevel(permission.RiskLevel)
		if err != nil {
			logger.Error("解析风险等级失败:%v", err)
			continue
		}
		if riskLevelNum == 0 {
			riskLevelNum = pRiskNum
		} else {
			if riskLevelNum > pRiskNum {
				riskLevelNum = pRiskNum
			}
		}
	}
	return
}
func GetMediaPageByAnalystId(mediaType string, pageInfo page.PageInfo, analystId int, mediaIds []int) (list []mediaService.MediaDTO, err error) {
	list, err = mediaService.GetMediaPageByAnalystId(mediaType, pageInfo, analystId, mediaIds)
	if err != nil {
		err = exception.New(exception.GetAnalystMediaListFailed)
		return
	}
	if len(list) == 0 {
		logger.Info("研究员媒体列表为空")
		return
	}
	//并发获取媒体的标签
	var wg sync.WaitGroup
	wg.Add(len(list))
	for i := 0; i < len(list); i++ {
		go func(media *mediaService.MediaDTO) {
			defer wg.Done()
			idStr := strings.Split(media.PermissionIDs, ",")
			var ids []int
			ids, err = stringUtils.StringToIntSlice(idStr)
			if err != nil {
				logger.Error("品种名称列表转换失败:%v", err)
			}
			media.PermissionNames = getMediaPermissionNames(ids)
		}(&list[i])
	}
	wg.Wait()
	if err != nil {
		err = exception.New(exception.GetAnalystMediaListFailed)
	}
	return
}

func GetMediaPageByIds(mediaType string, pageInfo page.PageInfo, mediaIds []int, isLogin bool) (list []mediaService.MediaDTO, err error) {
	list, err = mediaService.GetMediaPageByIds(mediaType, pageInfo, mediaIds)
	if err != nil {
		err = exception.New(exception.GetMediaListFailed)
		return
	}
	//并发获取媒体的标签
	var wg sync.WaitGroup
	wg.Add(len(list))
	for i := 0; i < len(list); i++ {
		go func(media *mediaService.MediaDTO) {
			defer wg.Done()
			idStr := strings.Split(media.PermissionIDs, ",")
			var ids []int
			ids, err = stringUtils.StringToIntSlice(idStr)
			if err != nil {
				logger.Error("品种名称列表转换失败:%v", err)
			}
			media.PermissionNames = getMediaPermissionNames(ids)
			if !isLogin {
				media.Src = ""
			}
		}(&list[i])
	}
	wg.Wait()
	if err != nil {
		err = exception.New(exception.QueryReportPageFailed)
	}
	return
}
func getMediaPermissionNames(id []int) (labels []string) {
	permissions, err := mediaService.GetPermissionsByIds(id)
	if err != nil {
		logger.Error("查询品种名称列表失败:%v", err)
		labels = []string{}
		return
	}
	for _, permission := range permissions {
		labels = append(labels, permission.Name)
	}
	return
}

// stringToIntSlice 将一个包含数字字符串的切片转换为整数切片

func SearchMediaList(mediaType string, key string, mediaIds []int, pageInfo page.PageInfo, isLogin bool) (medias []mediaService.MediaDTO, err error) {
	offset := page.StartIndex(pageInfo.Current, pageInfo.PageSize)
	medias, err = mediaService.SearchMediaList(mediaType, key, mediaIds, offset, pageInfo.PageSize, pageInfo.LatestId)
	var wg sync.WaitGroup
	wg.Add(len(medias))
	for i := 0; i < len(medias); i++ {
		go func(media *mediaService.MediaDTO) {
			defer wg.Done()
			idStr := strings.Split(media.PermissionIDs, ",")
			var ids []int
			ids, err = stringUtils.StringToIntSlice(idStr)
			if err != nil {
				logger.Error("获取品种列表失败:%v", err)
			}
			media.PermissionNames = getMediaPermissionNames(ids)
			if !isLogin {
				media.Src = ""
			}
		}(&medias[i])
	}
	wg.Wait()
	if err != nil {
		err = exception.New(exception.SearchReportPageFailed)
	}
	return
}