package semantic_analysis

import (
	"encoding/json"
	"eta/eta_api/controllers"
	"eta/eta_api/models"
	saModel "eta/eta_api/models/semantic_analysis"
	"eta/eta_api/services"
	"eta/eta_api/utils"
	"fmt"
	"github.com/rdlucklib/rdluck_tools/paging"
	"html"
	"strings"
	"time"
)

// SaDocController 语义分析-文档
type SaDocController struct {
	controllers.BaseAuthController
}

// Add
// @Title 新增文档
// @Description 新增文档
// @Param	request	body saModel.SaDocAddReq true "type json string"
// @Success 200 Ret=200 操作成功
// @router /doc/add [post]
func (this *SaDocController) Add() {
	br := new(models.BaseResponse).Init()
	defer func() {
		if br.ErrMsg == "" {
			br.IsSendEmail = false
		}
		this.Data["json"] = br
		this.ServeJSON()
	}()
	var req saModel.SaDocAddReq
	if e := json.Unmarshal(this.Ctx.Input.RequestBody, &req); e != nil {
		br.Msg = "参数解析异常！"
		br.ErrMsg = "参数解析失败，Err:" + e.Error()
		return
	}
	req.Title = strings.TrimSpace(req.Title)
	if req.Title == "" {
		br.Msg = "请输入标题"
		return
	}
	if req.ClassifyId <= 0 {
		br.Msg = "请选择分类"
		return
	}
	// 过滤Editor版权内容
	req.Content = strings.Replace(req.Content, "Powered by Froala Editor", "", -1)
	req.Content = strings.Replace(req.Content, " ", "", -1)
	req.Content = strings.Replace(req.Content, "<p data-f-id=\"pbf\" style=\"text-align: center; font-size: 14px; margin-top: 30px; opacity: 0.65; font-family: sanered by <a href=\"https://www.froala.com/wysiwyg-editor?pb=1\" title=\"Froala Editor\">Froala Editor</a></p>", "", -1)
	if req.Content == "" {
		br.Msg = "请输入文档内容"
		return
	}

	// 重名校验、内容重复校验
	contentMd5 := utils.MD5(req.Content)
	existItem := new(saModel.SaDoc)
	existCond := ` AND %s = ? OR %s = ?`
	existCond = fmt.Sprintf(existCond, saModel.SaDocColumns.Title, saModel.SaDocColumns.ContentMd5)
	existPars := make([]interface{}, 0)
	existPars = append(existPars, req.Title, contentMd5)
	if e := existItem.GetItemByCondition(existCond, existPars); e != nil && e.Error() != utils.ErrNoRow() {
		br.Msg = "操作失败"
		br.ErrMsg = "获取重复文档失败, Err: " + e.Error()
		return
	}
	if existItem != nil && existItem.SaDocId > 0 {
		if existItem.Title == req.Title {
			br.Msg = "文档名称已存在"
		}
		if existItem.ContentMd5 == contentMd5 {
			br.Msg = "该文档内容已上传"
		}
		return
	}

	// 拆分文档成段落, 分段读取
	sections, e := services.LoadSaDocContent2Section(req.Content)
	if e != nil || len(sections) == 0 {
		br.Msg = "内容段落信息有误"
		br.ErrMsg = "读取内容段落失败, Err: " + e.Error()
		return
	}

	// 分类
	classifyItem := new(saModel.SaDocClassify)
	if e = classifyItem.GetItemById(req.ClassifyId); e != nil {
		br.Msg = "分类信息有误"
		br.ErrMsg = "获取文档分类信息失败, Err: " + e.Error()
		return
	}

	// 新增
	newDoc := new(saModel.SaDoc)
	newDoc.ClassifyId = req.ClassifyId
	newDoc.ClassifyName = classifyItem.ClassifyName
	newDoc.Title = req.Title
	newDoc.CoverImg = classifyItem.CoverImg
	newDoc.ContentMd5 = contentMd5
	newDoc.SysAdminId = this.SysUser.AdminId
	newDoc.SysAdminName = this.SysUser.RealName
	newDoc.CreateTime = time.Now().Local()
	newDoc.ModifyTime = time.Now().Local()
	newSections := make([]*saModel.SaDocSection, 0)
	for i := range sections {
		newSections = append(newSections, &saModel.SaDocSection{
			Content: html.EscapeString(sections[i]),
			Sort:    i + 1,
		})
	}
	if e = saModel.InsertSaDocAndSections(newDoc, newSections); e != nil {
		br.Msg = "操作失败"
		br.ErrMsg = "新增文档和段落失败, Err: " + e.Error()
		return
	}

	// 新增ES文档
	go func() {
		_ = services.HandleElasticSaDocAndSection(newDoc, newSections, []int{})
	}()

	br.Ret = 200
	br.Success = true
	br.Msg = "操作成功"
	br.Data = newDoc.SaDocId
}

// Edit
// @Title 编辑文档
// @Description 编辑文档
// @Param	request	body saModel.SaDocEditReq true "type json string"
// @Success 200 Ret=200 操作成功
// @router /doc/edit [post]
func (this *SaDocController) Edit() {
	br := new(models.BaseResponse).Init()
	defer func() {
		if br.ErrMsg == "" {
			br.IsSendEmail = false
		}
		this.Data["json"] = br
		this.ServeJSON()
	}()
	var req saModel.SaDocEditReq
	if e := json.Unmarshal(this.Ctx.Input.RequestBody, &req); e != nil {
		br.Msg = "参数解析异常！"
		br.ErrMsg = "参数解析失败，Err:" + e.Error()
		return
	}
	if req.SaDocId <= 0 {
		br.Msg = "参数异常"
		return
	}
	req.Title = strings.TrimSpace(req.Title)
	if req.Title == "" {
		br.Msg = "请输入标题"
		return
	}
	if req.ClassifyId <= 0 {
		br.Msg = "请选择分类"
		return
	}
	if len(req.SectionList) == 0 {
		br.Msg = "段落不可为空"
		return
	}
	sectionIds := make([]int, 0)
	for i := range req.SectionList {
		if req.SectionList[i].Content == "" {
			br.Msg = "段落不可为空"
			return
		}
		if req.SectionList[i].SaDocSectionId > 0 {
			sectionIds = append(sectionIds, req.SectionList[i].SaDocSectionId)
		}
	}

	item := new(saModel.SaDoc)
	e := item.GetItemById(req.SaDocId)
	if e != nil {
		if e.Error() == utils.ErrNoRow() {
			br.Msg = "文档已被删除, 请刷新页面"
			return
		}
		br.Msg = "获取失败"
		br.ErrMsg = "获取文档信息失败, Err: " + e.Error()
		return
	}

	// 获取原段落
	sectionOB := new(saModel.SaDocSection)
	sectionCond := fmt.Sprintf(` AND %s = ?`, saModel.SaDocSectionColumns.DocId)
	sectionPars := make([]interface{}, 0)
	sectionPars = append(sectionPars, item.SaDocId)
	originSections, e := sectionOB.GetItemsByCondition(sectionCond, sectionPars, []string{saModel.SaDocSectionColumns.SaDocSectionId}, "")
	if e != nil {
		br.Msg = "获取失败"
		br.ErrMsg = "获取段落信息失败, Err: " + e.Error()
		return
	}
	originSectionIds := make([]int, 0)
	for i := range originSections {
		originSectionIds = append(originSectionIds, originSections[i].SaDocSectionId)
	}

	// 比对原段落, 判断段落SQL操作类型
	insertSecs := make([]*saModel.SaDocSection, 0)
	updateSecs := make([]*saModel.SaDocSection, 0)
	delSecIds := utils.MinusInt(originSectionIds, sectionIds)
	for i, v := range req.SectionList {
		v.Content = html.EscapeString(v.Content)
		v.Sort = i + 1
		// 新增
		if v.SaDocSectionId == 0 {
			insertSecs = append(insertSecs, v)
			continue
		}
		if utils.InArrayByInt(originSectionIds, v.SaDocSectionId) {
			updateSecs = append(updateSecs, v)
		}
	}

	// 分类
	classifyItem := new(saModel.SaDocClassify)
	if e = classifyItem.GetItemById(req.ClassifyId); e != nil {
		br.Msg = "分类信息有误"
		br.ErrMsg = "获取文档分类信息失败, Err: " + e.Error()
		return
	}

	item.Title = req.Title
	item.ClassifyId = req.ClassifyId
	item.ClassifyName = classifyItem.ClassifyName
	item.ModifyTime = time.Now().Local()
	updateCols := []string{
		saModel.SaDocColumns.Title, saModel.SaDocColumns.Theme, saModel.SaDocColumns.ClassifyId,
		saModel.SaDocColumns.ClassifyName, saModel.SaDocColumns.ModifyTime,
	}
	// 保存文档和段落
	updateSecCols := []string{saModel.SaDocSectionColumns.Content, saModel.SaDocSectionColumns.Sort}
	if e = saModel.UpdateSaDocAndSections(item, insertSecs, updateSecs, delSecIds, updateCols, updateSecCols); e != nil {
		br.Msg = "操作失败"
		br.ErrMsg = "更新文档段落失败, Err: " + e.Error()
		return
	}

	// 编辑ES文档
	go func() {
		sections := make([]*saModel.SaDocSection, 0)
		sections = append(sections, insertSecs...)
		sections = append(sections, updateSecs...)
		_ = services.HandleElasticSaDocAndSection(item, sections, delSecIds)
	}()

	br.Ret = 200
	br.Success = true
	br.Msg = "操作成功"
	br.Data = item.SaDocId
}

// Del
// @Title 删除文档
// @Description 删除文档
// @Param	request	body saModel.SaDocDelReq true "type json string"
// @Success 200 Ret=200 操作成功
// @router /doc/del [post]
func (this *SaDocController) Del() {
	br := new(models.BaseResponse).Init()
	defer func() {
		if br.ErrMsg == "" {
			br.IsSendEmail = false
		}
		this.Data["json"] = br
		this.ServeJSON()
	}()
	var req saModel.SaDocDelReq
	if e := json.Unmarshal(this.Ctx.Input.RequestBody, &req); e != nil {
		br.Msg = "参数解析异常！"
		br.ErrMsg = "参数解析失败，Err:" + e.Error()
		return
	}
	if req.SaDocId <= 0 {
		br.Msg = "参数有误"
		return
	}

	item := new(saModel.SaDoc)
	e := item.GetItemById(req.SaDocId)
	if e != nil {
		if e.Error() == utils.ErrNoRow() {
			br.Msg = "文档已被删除, 请刷新页面"
			return
		}
		br.Msg = "操作失败"
		br.ErrMsg = "获取文档信息失败, Err: " + e.Error()
		return
	}
	secOB := new(saModel.SaDocSection)
	secCond := fmt.Sprintf(` AND %s = ?`, saModel.SaDocSectionColumns.DocId)
	secPars := make([]interface{}, 0)
	secPars = append(secPars, item.SaDocId)
	sections, e := secOB.GetItemsByCondition(secCond, secPars, []string{saModel.SaDocSectionColumns.SaDocSectionId}, "")
	if e != nil {
		br.Msg = "操作失败"
		br.ErrMsg = "获取文档段落信息失败, Err: " + e.Error()
		return
	}
	secIds := make([]int, 0)
	for i := range sections {
		secIds = append(secIds, sections[i].SaDocSectionId)
	}

	// 校验文档引用数
	useCond := fmt.Sprintf(` AND %s = ?`, saModel.SaCompareLabelColumns.DocId)
	usePars := make([]interface{}, 0)
	usePars = append(usePars, item.SaDocId)
	useOB := new(saModel.SaCompareLabel)
	count, e := useOB.GetCountByCondition(useCond, usePars)
	if e != nil {
		br.Msg = "操作失败"
		br.ErrMsg = "获取文档引用数失败, Err: " + e.Error()
		return
	}
	if count > 0 {
		br.Msg = "文档已被引用, 不可删除"
		return
	}

	// 删除文档及段落
	if e = saModel.DelSaDocAndSections(item.SaDocId); e != nil {
		br.Msg = "操作失败"
		br.ErrMsg = "删除文档失败, Err: " + e.Error()
		return
	}

	// 删除ES文档
	go func() {
		_ = services.DeleteElasticSaDocAndSection(item.SaDocId, secIds)
	}()

	br.Ret = 200
	br.Success = true
	br.Msg = "操作成功"
}

// Detail
// @Title 文档详情
// @Description 文档详情
// @Param   DocId  query  string  true  "文档ID"
// @Success 200 Ret=200 获取成功
// @router /doc/detail [get]
func (this *SaDocController) Detail() {
	br := new(models.BaseResponse).Init()
	defer func() {
		if br.ErrMsg == "" {
			br.IsSendEmail = false
		}
		this.Data["json"] = br
		this.ServeJSON()
	}()
	docId, _ := this.GetInt("DocId", 0)
	if docId <= 0 {
		br.Msg = "参数异常"
		return
	}

	item := new(saModel.SaDoc)
	e := item.GetItemById(docId)
	if e != nil {
		if e.Error() == utils.ErrNoRow() {
			br.Msg = "文档已被删除, 请刷新页面"
			return
		}
		br.Msg = "获取失败"
		br.ErrMsg = "获取文档信息失败, Err: " + e.Error()
		return
	}

	// 获取段落
	sectionOB := new(saModel.SaDocSection)
	sectionCond := fmt.Sprintf(` AND %s = ?`, saModel.SaDocSectionColumns.DocId)
	sectionPars := make([]interface{}, 0)
	sectionPars = append(sectionPars, item.SaDocId)
	sectionList, e := sectionOB.GetItemsByCondition(sectionCond, sectionPars, []string{}, "")
	if e != nil {
		br.Msg = "获取失败"
		br.ErrMsg = "获取段落信息失败, Err: " + e.Error()
		return
	}
	secIds := make([]int, 0)
	for _, s := range sectionList {
		secIds = append(secIds, s.SaDocSectionId)
	}

	// 段落引用数
	useMap := make(map[int]int)
	usePartMap := make(map[int]int)
	if len(secIds) > 0 {
		// 整段
		useOB := new(saModel.SaCompareLabel)
		useCond := fmt.Sprintf(` AND %s IN (%s) AND %s = 0`, saModel.SaCompareLabelColumns.SectionId, utils.GetOrmInReplace(len(secIds)), saModel.SaCompareLabelColumns.IsPart)
		usePars := make([]interface{}, 0)
		usePars = append(usePars, secIds)
		countList, e := useOB.GetGroupCountByCondition(useCond, usePars, saModel.SaCompareLabelColumns.SectionId)
		if e != nil && e.Error() != utils.ErrNoRow() {
			br.Msg = "获取失败"
			br.ErrMsg = "获取标签段落引用数失败, Err: " + e.Error()
			return
		}
		for i := range countList {
			useMap[countList[i].SectionId] = countList[i].UseNum
		}
		// 片段
		usePartCond := fmt.Sprintf(` AND %s IN (%s) AND %s = 1`, saModel.SaCompareLabelColumns.SectionId, utils.GetOrmInReplace(len(secIds)), saModel.SaCompareLabelColumns.IsPart)
		usePartPars := make([]interface{}, 0)
		usePartPars = append(usePartPars, secIds)
		countPartList, e := useOB.GetGroupCountByCondition(usePartCond, usePartPars, saModel.SaCompareLabelColumns.SectionId)
		for i := range countPartList {
			usePartMap[countPartList[i].SectionId] = countPartList[i].UseNum
		}
	}

	secList := make([]*saModel.SaDocSectionItem, 0)
	for _, s := range sectionList {
		c := html.UnescapeString(s.Content)
		c = strings.ReplaceAll(c, `<p>`, "")
		c = strings.ReplaceAll(c, `</p>`, "")
		s.Content = c
		v := new(saModel.SaDocSectionItem)
		v.SaDocSection = *s
		v.UseNum = useMap[s.SaDocSectionId]
		v.UsePartNum = usePartMap[s.SaDocSectionId]
		secList = append(secList, v)
	}

	detail := new(saModel.SaDocDetail)
	detail.SaDocId = item.SaDocId
	detail.ClassifyId = item.ClassifyId
	detail.ClassifyName = item.ClassifyName
	detail.Title = item.Title
	detail.Theme = item.Theme
	detail.CoverImg = item.CoverImg
	detail.SysAdminId = item.SysAdminId
	detail.SysAdminName = item.SysAdminName
	detail.CreateTime = item.CreateTime.Format(utils.FormatDateTime)
	detail.SectionList = secList
	br.Data = detail
	br.Ret = 200
	br.Success = true
	br.Msg = "获取成功"
}

// PageList
// @Title 文档列表
// @Description 文档列表
// @Param   Keyword  query  string  false  "文档关键词"
// @Param   ClassifyId  query  int  false  "文档分类ID"
// @Success 200 Ret=200 获取成功
// @router /doc/page_list [get]
func (this *SaDocController) PageList() {
	br := new(models.BaseResponse).Init()
	defer func() {
		if br.ErrMsg == "" {
			br.IsSendEmail = false
		}
		this.Data["json"] = br
		this.ServeJSON()
	}()
	keyword := this.GetString("Keyword", "")
	classifyId, _ := this.GetInt("ClassifyId", 0)

	var startSize int
	pageSize, _ := this.GetInt("PageSize")
	currentIndex, _ := this.GetInt("CurrentIndex")
	if pageSize <= 0 {
		pageSize = utils.PageSize20
	}
	if currentIndex <= 0 {
		currentIndex = 1
	}
	startSize = paging.StartIndex(currentIndex, pageSize)

	itemOB := new(saModel.SaDoc)
	cond := ``
	pars := make([]interface{}, 0)
	if keyword != "" {
		kw := "%" + keyword + "%"
		cond += fmt.Sprintf(` AND %s LIKE ?`, saModel.SaDocColumns.Title)
		pars = append(pars, kw)
	}
	if classifyId > 0 {
		cond += fmt.Sprintf(` AND %s = ?`, saModel.SaDocColumns.ClassifyId)
		pars = append(pars, classifyId)
	}
	total, list, e := itemOB.GetPageItemsByCondition(startSize, pageSize, cond, pars, []string{}, "sort ASC, create_time DESC, sa_doc_id ASC")
	if e != nil {
		br.Msg = "获取失败"
		br.ErrMsg = "获取文档列表失败, Err: " + e.Error()
		return
	}

	respList := make([]*saModel.SaDocItem, 0)
	for i := range list {
		v := new(saModel.SaDocItem)
		v.SaDocId = list[i].SaDocId
		v.ClassifyId = list[i].ClassifyId
		v.ClassifyName = list[i].ClassifyName
		v.CoverImg = list[i].CoverImg
		v.Title = list[i].Title
		v.Theme = list[i].Theme
		v.SysAdminId = list[i].SysAdminId
		v.SysAdminName = list[i].SysAdminName
		v.Sort = list[i].Sort
		v.CreateTime = list[i].CreateTime.Format(utils.FormatDateTime)
		respList = append(respList, v)
	}

	page := paging.GetPaging(currentIndex, pageSize, total)
	resp := &saModel.SaDocPageListResp{
		Paging: page,
		List:   respList,
	}
	br.Data = resp
	br.Ret = 200
	br.Success = true
	br.Msg = "获取成功"
}

// Move
// @Title 移动文档
// @Description 移动文档
// @Param	request	body saModel.SaDocEditReq true "type json string"
// @Success 200 Ret=200 操作成功
// @router /doc/move [post]
func (this *SaDocController) Move() {
	br := new(models.BaseResponse).Init()
	defer func() {
		if br.ErrMsg == "" {
			br.IsSendEmail = false
		}
		this.Data["json"] = br
		this.ServeJSON()
	}()
	var req saModel.SaDocMoveReq
	if e := json.Unmarshal(this.Ctx.Input.RequestBody, &req); e != nil {
		br.Msg = "参数解析异常！"
		br.ErrMsg = "参数解析失败，Err:" + e.Error()
		return
	}
	if req.SaDocClassifyId <= 0 {
		br.Msg = "请选择分类"
		return
	}
	if req.SaDocId <= 0 {
		br.Msg = "参数异常"
		return
	}

	item := new(saModel.SaDoc)
	e := item.GetItemById(req.SaDocId)
	if e != nil {
		if e.Error() == utils.ErrNoRow() {
			br.Msg = "文档已被删除, 请刷新页面"
			return
		}
		br.Msg = "操作失败"
		br.ErrMsg = "获取文档信息失败, Err: " + e.Error()
		return
	}
	originClassifyId := item.ClassifyId

	// 分类
	classifyItem := new(saModel.SaDocClassify)
	if e = classifyItem.GetItemById(req.SaDocClassifyId); e != nil {
		br.Msg = "分类信息有误"
		br.ErrMsg = "获取文档分类信息失败, Err: " + e.Error()
		return
	}

	// CV的指标库指标的移动, 没有技术, 全是感情~
	if req.PrevSaDocId > 0 {
		prevDoc := new(saModel.SaDoc)
		if e = prevDoc.GetItemById(req.PrevSaDocId); e != nil {
			if e.Error() == utils.ErrNoRow() {
				br.Msg = "上一个文档已被删除, 请刷新页面"
				return
			}
			br.Msg = "操作失败"
			br.ErrMsg = "获取上一个文档信息失败, Err: " + e.Error()
			return
		}
		// 如果是在两个文档之间
		if req.NextSaDocId > 0 {
			nextDoc := new(saModel.SaDoc)
			if e = nextDoc.GetItemById(req.NextSaDocId); e != nil {
				if e.Error() == utils.ErrNoRow() {
					br.Msg = "下一个文档已被删除, 请刷新页面"
					return
				}
				br.Msg = "操作失败"
				br.ErrMsg = "获取下一个文档信息失败, Err: " + e.Error()
				return
			}
			// 判断上一个文档与当前文档/下一个文档的位置
			if prevDoc.Sort == item.Sort || prevDoc.Sort == nextDoc.Sort {
				_ = saModel.UpdateSaDocSort(prevDoc.ClassifyId, prevDoc.Sort, prevDoc.SaDocId, `sort + 2`)
			} else {
				if nextDoc.Sort-prevDoc.Sort == 1 {
					_ = saModel.UpdateSaDocSort(prevDoc.ClassifyId, prevDoc.Sort, prevDoc.SaDocId, `sort + 1`)
				}
			}
		}
		item.Sort = prevDoc.Sort + 1
	} else {
		firstDoc, e := saModel.GetFirstSortSaDoc(req.SaDocClassifyId)
		if e != nil && e.Error() != utils.ErrNoRow() {
			br.Msg = "操作失败"
			br.ErrMsg = "获取首个文档失败, Err: " + e.Error()
			return
		}
		if firstDoc != nil && firstDoc.Sort == 0 {
			_ = saModel.UpdateSaDocSort(firstDoc.ClassifyId, 0, firstDoc.SaDocId-1, `sort + 1`)
		}
		item.Sort = 0
	}

	// 更新
	item.ClassifyId = classifyItem.SaDocClassifyId
	item.ClassifyName = classifyItem.ClassifyName
	item.ModifyTime = time.Now().Local()
	updateCols := []string{
		saModel.SaDocColumns.ClassifyId, saModel.SaDocColumns.ClassifyName, saModel.SaDocColumns.Sort, saModel.SaDocColumns.ModifyTime,
	}
	if e = item.Update(updateCols); e != nil {
		br.Msg = "操作失败"
		br.ErrMsg = "移动文档失败, Err: " + e.Error()
		return
	}

	// 若更改了分类-则更新ES文档
	if originClassifyId != req.SaDocClassifyId {
		go func() {
			sectionOB := new(saModel.SaDocSection)
			sectionCond := fmt.Sprintf(` AND %s = ?`, saModel.SaDocSectionColumns.DocId)
			sectionPars := make([]interface{}, 0)
			sectionPars = append(sectionPars, item.SaDocId)
			sections, e := sectionOB.GetItemsByCondition(sectionCond, sectionPars, []string{}, "")
			if e != nil {
				return
			}
			_ = services.HandleElasticSaDocAndSection(item, sections, []int{})
		}()
	}

	br.Ret = 200
	br.Success = true
	br.Msg = "操作成功"
	br.Data = item.SaDocId
}