package llm

import (
	"encoding/json"
	"eta/eta_api/controllers"
	"eta/eta_api/models"
	"eta/eta_api/models/rag"
	"eta/eta_api/models/rag/request"
	"eta/eta_api/models/rag/response"
	"eta/eta_api/services"
	"eta/eta_api/services/elastic"
	"eta/eta_api/utils"
	"fmt"
	"github.com/rdlucklib/rdluck_tools/paging"
	"strings"
	"time"
)

// QuestionController
// @Description: 提示词库管理
type QuestionController struct {
	controllers.BaseAuthController
}

// List
// @Title 列表
// @Description 列表
// @Param   PageSize   query   int  true       "每页数据条数"
// @Param   CurrentIndex   query   int  true       "当前页页码，从1开始"
// @Param   KeyWord   query   string  true       "搜索关键词"
// @Success 200 {object} []*rag.QuestionListListResp
// @router /question/list [get]
func (c *QuestionController) List() {
	br := new(models.BaseResponse).Init()
	defer func() {
		c.Data["json"] = br
		c.ServeJSON()
	}()

	sysUser := c.SysUser
	if sysUser == nil {
		br.Msg = "请登录"
		br.ErrMsg = "请登录，SysUser Is Empty"
		return
	}
	pageSize, _ := c.GetInt("PageSize")
	currentIndex, _ := c.GetInt("CurrentIndex")
	keyWord := c.GetString("KeyWord")

	var startSize int
	if pageSize <= 0 {
		pageSize = utils.PageSize20
	}
	if currentIndex <= 0 {
		currentIndex = 1
	}
	startSize = utils.StartIndex(currentIndex, pageSize)

	var total int
	viewList := make([]rag.QuestionView, 0)

	if keyWord == `` {
		var condition string
		var pars []interface{}

		if keyWord != "" {
			condition += fmt.Sprintf(` AND %s like ?`, rag.QuestionColumns.QuestionContent)
			pars = append(pars, `%`+keyWord+`%`)
		}
		obj := new(rag.Question)
		tmpTotal, list, err := obj.GetPageListByCondition(condition, pars, startSize, pageSize)
		if err != nil {
			br.Msg = "获取失败"
			br.ErrMsg = "获取失败，Err:" + err.Error()
			return
		}
		total = tmpTotal

		if list != nil && len(list) > 0 {
			viewList = list[0].ListToViewList(list)
		}
	} else {
		sortMap := map[string]string{
			//"ArticleCreateTime": "desc",
			//"WechatArticleId":   "desc",
		}
		tmpTotal, list, err := elastic.RagQuestionEsSearch(keyWord, startSize, pageSize, sortMap)
		if err != nil {
			br.Msg = "获取失败"
			br.ErrMsg = "获取失败，Err:" + err.Error()
			return
		}
		total = int(tmpTotal)
		if list != nil && len(list) > 0 {
			viewList = list[0].ToViewList(list)
		}
	}

	page := paging.GetPaging(currentIndex, pageSize, total)
	resp := response.QuestionListListResp{
		List:   viewList,
		Paging: page,
	}

	br.Ret = 200
	br.Success = true
	br.Msg = "获取成功"
	br.Data = resp
}

// TitleList
// @Title 标题列表
// @Description 标题列表
// @Param   PageSize   query   int  true       "每页数据条数"
// @Param   CurrentIndex   query   int  true       "当前页页码，从1开始"
// @Param   KeyWord   query   string  true       "搜索关键词"
// @Success 200 {object} []*rag.QuestionListListResp
// @router /question/title/list [get]
func (c *QuestionController) TitleList() {
	br := new(models.BaseResponse).Init()
	defer func() {
		c.Data["json"] = br
		c.ServeJSON()
	}()

	sysUser := c.SysUser
	if sysUser == nil {
		br.Msg = "请登录"
		br.ErrMsg = "请登录，SysUser Is Empty"
		return
	}
	pageSize, _ := c.GetInt("PageSize")
	currentIndex, _ := c.GetInt("CurrentIndex")
	keyWord := c.GetString("KeyWord")

	var startSize int
	if pageSize <= 0 {
		pageSize = utils.PageSize20
	}
	if currentIndex <= 0 {
		currentIndex = 1
	}
	startSize = utils.StartIndex(currentIndex, pageSize)

	var total int
	viewList := make([]rag.QuestionView, 0)

	if keyWord == `` {
		var condition string
		var pars []interface{}

		if keyWord != "" {
			condition += fmt.Sprintf(` AND %s like ?`, rag.QuestionColumns.QuestionContent)
			pars = append(pars, `%`+keyWord+`%`)
		}
		obj := new(rag.Question)
		tmpTotal, list, err := obj.GetTitlePageListByCondition(condition, pars, startSize, pageSize)
		if err != nil {
			br.Msg = "获取失败"
			br.ErrMsg = "获取失败，Err:" + err.Error()
			return
		}
		total = tmpTotal

		if list != nil && len(list) > 0 {
			viewList = list[0].ListToViewList(list)
		}
	} else {
		sortMap := map[string]string{
			//"ArticleCreateTime": "desc",
			//"WechatArticleId":   "desc",
		}
		tmpTotal, list, err := elastic.RagQuestionEsSearch(keyWord, startSize, pageSize, sortMap)
		if err != nil {
			br.Msg = "获取失败"
			br.ErrMsg = "获取失败，Err:" + err.Error()
			return
		}
		total = int(tmpTotal)
		if list != nil && len(list) > 0 {
			viewList = list[0].ToViewList(list)
		}
	}

	page := paging.GetPaging(currentIndex, pageSize, total)
	resp := response.QuestionListListResp{
		List:   viewList,
		Paging: page,
	}

	br.Ret = 200
	br.Success = true
	br.Msg = "获取成功"
	br.Data = resp
}

// Detail
// @Title 列表
// @Description 列表
// @Param   QuestionId   query   int  true       "提示词id"
// @Success 200 {object} []*rag.QuestionListListResp
// @router /question/detail [get]
func (c *QuestionController) Detail() {
	br := new(models.BaseResponse).Init()
	defer func() {
		c.Data["json"] = br
		c.ServeJSON()
	}()

	sysUser := c.SysUser
	if sysUser == nil {
		br.Msg = "请登录"
		br.ErrMsg = "请登录，SysUser Is Empty"
		return
	}
	questionId, _ := c.GetInt("QuestionId")
	if questionId <= 0 {
		br.Msg = "提示词id不能为空"
		br.ErrMsg = "提示词id不能为空"
		return
	}

	obj := new(rag.Question)
	questionItem, err := obj.GetByID(questionId)
	if err != nil {
		br.Msg = "获取失败"
		br.ErrMsg = "获取失败，Err:" + err.Error()
		return
	}

	br.Data = questionItem.ToView()

	br.Ret = 200
	br.Success = true
	br.Msg = "获取成功"
}

// Add
// @Title 新增提示词
// @Description 新增提示词
// @Param	request	body request.AddQuestionReq true "type json string"
// @Success 200 Ret=200 新增成功
// @router /question/add [post]
func (c *QuestionController) Add() {
	br := new(models.BaseResponse).Init()
	defer func() {
		c.Data["json"] = br
		c.ServeJSON()
	}()
	var req request.AddQuestionReq
	err := json.Unmarshal(c.Ctx.Input.RequestBody, &req)
	if err != nil {
		br.Msg = "参数解析异常！"
		br.ErrMsg = "参数解析失败，Err:" + err.Error()
		return
	}
	req.Content = strings.TrimSpace(req.Content)
	if req.Content == "" {
		br.Msg = "请输入提示词"
		br.IsSendEmail = false
		return
	}
	//obj := rag.Question{}
	//_, err = obj.GetByCondition(` AND question_content = ? `, []interface{}{req.Content})
	//if err == nil {
	//	br.Msg = "提示词已入库，请不要重复添加"
	//	br.IsSendEmail = false
	//	return
	//}

	title := utils.GetFirstNChars(req.Content, 20)
	item := &rag.Question{
		QuestionId:      0,
		QuestionTitle:   title,
		QuestionContent: req.Content,
		Sort:            0,
		ModifyTime:      time.Now(),
		CreateTime:      time.Now(),
	}
	err = item.Create()
	if err != nil {
		br.Msg = "添加失败"
		br.ErrMsg = "添加失败，Err:" + err.Error()
		return
	}

	// 新增/编辑ES数据
	go services.AddOrEditEsRagQuestion(item.QuestionId)

	br.Ret = 200
	br.Success = true
	br.Msg = `添加成功`
}

// Edit
// @Title 编辑提示词
// @Description 编辑提示词
// @Param	request	body request.EditQuestionReq true "type json string"
// @Success 200 Ret=200 新增成功
// @router /question/edit [post]
func (c *QuestionController) Edit() {
	br := new(models.BaseResponse).Init()
	defer func() {
		c.Data["json"] = br
		c.ServeJSON()
	}()

	var req request.EditQuestionReq
	err := json.Unmarshal(c.Ctx.Input.RequestBody, &req)
	if err != nil {
		br.Msg = "参数解析异常！"
		br.ErrMsg = "参数解析失败，Err:" + err.Error()
		return
	}
	if req.QuestionId <= 0 {
		br.Msg = "提示词id不能为空"
		br.IsSendEmail = false
		return
	}
	req.Content = strings.TrimSpace(req.Content)
	if req.Content == "" {
		br.Msg = "请输入提示词"
		br.IsSendEmail = false
		return
	}

	obj := rag.Question{}
	item, err := obj.GetByID(req.QuestionId)
	if err != nil {
		br.Msg = "修改失败"
		br.ErrMsg = "修改失败，查找提示词失败，Err:" + err.Error()
		if utils.IsErrNoRow(err) {
			br.Msg = "提示词不存在"
			br.IsSendEmail = false
		}
		return
	}

	// 编辑提示词：
	if item.IsDefault == 1 {
		total, err := services.GetNotFinishGenerateAbstractTaskNumByQuestionId(item.QuestionId)
		if err != nil {
			br.Msg = "修改失败"
			br.ErrMsg = "权限校验失败，Err:" + err.Error()
			return
		}
		if total > 0 {
			br.Msg = "当前提示词正在生成摘要，请稍后再修改"
			return
		}
	}

	// 添加问题的历史记录
	rag.AddQuestionHistoryByQuestion(item)

	item.QuestionTitle = utils.GetFirstNChars(req.Content, 20)
	item.QuestionContent = req.Content
	item.Version++
	item.GenerateStatus = `undo`
	item.ModifyTime = time.Now()
	err = item.Update([]string{"question_title", "question_content", `version`, `generate_status`, "modify_time"})
	if err != nil {
		br.Msg = "修改失败"
		br.ErrMsg = "修改失败，Err:" + err.Error()
		return
	}
	// 新增/编辑ES数据
	go services.AddOrEditEsRagQuestion(item.QuestionId)

	br.Ret = 200
	br.Success = true
	br.Msg = `修改成功`
}

// Del
// @Title 删除提示词
// @Description 删除提示词
// @Param	request	body request.EditQuestionReq true "type json string"
// @Success 200 Ret=200 新增成功
// @router /question/del [post]
func (c *QuestionController) Del() {
	br := new(models.BaseResponse).Init()
	defer func() {
		c.Data["json"] = br
		c.ServeJSON()
	}()
	var req request.EditQuestionReq
	err := json.Unmarshal(c.Ctx.Input.RequestBody, &req)
	if err != nil {
		br.Msg = "参数解析异常！"
		br.ErrMsg = "参数解析失败，Err:" + err.Error()
		return
	}
	if req.QuestionId <= 0 {
		br.Msg = "提示词id不能为空"
		br.IsSendEmail = false
		return
	}

	obj := rag.Question{}
	item, err := obj.GetByID(req.QuestionId)
	if err != nil {
		br.Msg = "修改失败"
		br.ErrMsg = "修改失败，查找提示词失败，Err:" + err.Error()
		if utils.IsErrNoRow(err) {
			br.Msg = "提示词不存在"
			br.IsSendEmail = false
		}
		return
	}

	// 删除提示词：若删除默认提示词，提示：当前提示词不允许删除；若删除非默认提示词：提示删除成功（项目eta4.0，时间：2025-4-16 17:39:38）
	if item.IsDefault == 1 {
		br.Msg = "当前提示词不允许删除！"
		return
	}

	// 添加问题的历史记录
	rag.AddQuestionHistoryByQuestion(item)

	err = item.Del()
	if err != nil {
		br.Msg = "删除失败"
		br.ErrMsg = "删除失败，Err:" + err.Error()
		return
	}

	// 删除ES数据
	go services.DelEsRagQuestion(item.QuestionId)

	br.Ret = 200
	br.Success = true
	br.Msg = `删除成功`
}

// SetDefault
// @Title 设置默认提示词
// @Description 设置默认提示词
// @Param	request	body request.EditQuestionReq true "type json string"
// @Success 200 Ret=200 设置成功
// @router /question/default/set [post]
func (c *QuestionController) SetDefault() {
	br := new(models.BaseResponse).Init()
	defer func() {
		c.Data["json"] = br
		c.ServeJSON()
	}()
	var req request.EditQuestionReq
	err := json.Unmarshal(c.Ctx.Input.RequestBody, &req)
	if err != nil {
		br.Msg = "参数解析异常！"
		br.ErrMsg = "参数解析失败，Err:" + err.Error()
		return
	}
	if req.QuestionId <= 0 {
		br.Msg = "提示词id不能为空"
		br.IsSendEmail = false
		return
	}

	obj := rag.Question{}
	item, err := obj.GetByID(req.QuestionId)
	if err != nil {
		br.Msg = "修改失败"
		br.ErrMsg = "修改失败，查找提示词失败，Err:" + err.Error()
		if utils.IsErrNoRow(err) {
			br.Msg = "提示词不存在"
			br.IsSendEmail = false
		}
		return
	}

	if item.IsDefault == 1 {
		br.Msg = "该提示词已经是默认提示词，无需设置"
		br.IsSendEmail = false
		return
	}
	item.IsDefault = 1
	item.GenerateStatus = `undo`
	item.ModifyTime = time.Now()
	err = item.Update([]string{"is_default", "generate_status", "modify_time"})
	if err != nil {
		br.Msg = "设置失败"
		br.ErrMsg = "设置失败，Err:" + err.Error()
		return
	}

	br.Ret = 200
	br.Success = true
	br.Msg = `设置成功`
}

// UnSetDefault
// @Title 取消设置默认提示词
// @Description 取消设置默认提示词
// @Param	request	body request.EditQuestionReq true "type json string"
// @Success 200 Ret=200 设置成功
// @router /question/default/unset [post]
func (c *QuestionController) UnSetDefault() {
	br := new(models.BaseResponse).Init()
	defer func() {
		c.Data["json"] = br
		c.ServeJSON()
	}()
	var req request.EditQuestionReq
	err := json.Unmarshal(c.Ctx.Input.RequestBody, &req)
	if err != nil {
		br.Msg = "参数解析异常！"
		br.ErrMsg = "参数解析失败，Err:" + err.Error()
		return
	}
	if req.QuestionId <= 0 {
		br.Msg = "提示词id不能为空"
		br.IsSendEmail = false
		return
	}

	obj := rag.Question{}
	item, err := obj.GetByID(req.QuestionId)
	if err != nil {
		br.Msg = "修改失败"
		br.ErrMsg = "修改失败，查找提示词失败，Err:" + err.Error()
		if utils.IsErrNoRow(err) {
			br.Msg = "提示词不存在"
			br.IsSendEmail = false
		}
		return
	}

	if item.IsDefault == 0 {
		br.Msg = "该提示词不是默认提示词，无需取消"
		br.IsSendEmail = false
		return
	}

	// 如果是取消已经设置成默认的提示词，那么需要判断是否有正在生成摘要的提示词任务，如果存在的话，那么就不允许取消
	auth, err := services.CheckOpQuestionAuth()
	if err != nil {
		br.Msg = "修改失败"
		br.ErrMsg = "权限校验失败，Err:" + err.Error()
		return
	}
	if !auth {
		br.Msg = "当前有提示词正在生成摘要，请稍后再修改"
		return
	}

	item.IsDefault = 1
	item.GenerateStatus = `undo`
	item.ModifyTime = time.Now()
	err = item.Update([]string{"is_default", "generate_status", "modify_time"})
	if err != nil {
		br.Msg = "取消设置失败"
		br.ErrMsg = "取消设置失败，Err:" + err.Error()
		return
	}

	// todo 对应的提示词生成的摘要库和向量库内容也取消，同时需要加锁，不允许重复操作

	br.Ret = 200
	br.Success = true
	br.Msg = `取消设置成功`
}

// GenerateAbstract
// @Title 生成摘要
// @Description 生成摘要
// @Param	request	body request.EditQuestionReq true "type json string"
// @Success 200 Ret=200 设置成功
// @router /question/abstract/generate [post]
func (c *QuestionController) GenerateAbstract() {
	br := new(models.BaseResponse).Init()
	defer func() {
		c.Data["json"] = br
		c.ServeJSON()
	}()
	var req request.EditQuestionReq
	err := json.Unmarshal(c.Ctx.Input.RequestBody, &req)
	if err != nil {
		br.Msg = "参数解析异常！"
		br.ErrMsg = "参数解析失败，Err:" + err.Error()
		return
	}
	if req.QuestionId <= 0 {
		br.Msg = "提示词id不能为空"
		br.IsSendEmail = false
		return
	}

	obj := rag.Question{}
	item, err := obj.GetByID(req.QuestionId)
	if err != nil {
		br.Msg = "修改失败"
		br.ErrMsg = "修改失败，查找提示词失败，Err:" + err.Error()
		if utils.IsErrNoRow(err) {
			br.Msg = "提示词不存在"
			br.IsSendEmail = false
		}
		return
	}

	if item.IsDefault != 1 {
		br.Msg = "该提示词不是默认提示词，不允许生成"
		br.IsSendEmail = false
		return
	}
	if item.GenerateStatus != `undo` {
		br.Msg = "该提示词已经生成过摘要，不允许重复生成"
		br.IsSendEmail = false
		return
	}

	// 如果是需要对提示词做摘要的生成，那么需要判断是否有正在生成摘要的提示词任务，如果存在的话，那么就不允许生成（暂定，后面可以改成加到任务中去，等上一个批次的任务完成后，继续该任务）
	auth, err := services.CheckOpQuestionAuth()
	if err != nil {
		br.Msg = "修改失败"
		br.ErrMsg = "权限校验失败，Err:" + err.Error()
		return
	}
	if !auth {
		br.Msg = "当前有提示词正在生成摘要，请稍后再重新生成"
		return
	}

	// 标记摘要生成状态，避免重复生成
	item.GenerateStatus = `done`
	item.ModifyTime = time.Now()
	err = item.Update([]string{"generate_status", "modify_time"})
	if err != nil {
		br.Msg = "取消设置失败"
		br.ErrMsg = "取消设置失败，Err:" + err.Error()
		return
	}

	// 添加任务
	services.AddGenerateAbstractTask(item, c.SysUser)

	// todo 开始任务

	br.Ret = 200
	br.Success = true
	br.Msg = `摘要生成中`
}

//func init() {
//	// 提示词加到es
//	{
//		obj := rag.Question{}
//		list, _ := obj.GetListByCondition(``, ` `, []interface{}{}, 0, 10000)
//		total := len(list)
//		for k, item := range list {
//			fmt.Println(k, "/", total)
//			services.AddOrEditEsRagQuestion(item.QuestionId)
//		}
//
//		fmt.Println("结束了")
//	}
//}