package rag

import (
	"encoding/json"
	"eta/eta_api/controllers"
	"eta/eta_api/controllers/rag/llm_http"
	"eta/eta_api/models"
	"eta/eta_api/models/llm"
	"eta/eta_api/utils"
	"time"
)

type UserChatController struct {
	controllers.BaseAuthController
}

// NewChat @Title 新建对话框
// @Description 新建对话框
// @Success 101 {object} response.ListResp
// @router /chat/new_chat [post]
func (ucCtrl *UserChatController) NewChat() {
	br := new(models.BaseResponse).Init()
	defer func() {
		ucCtrl.Data["json"] = br
		ucCtrl.ServeJSON()
	}()
	var req llm_http.UserChatReq
	err := json.Unmarshal(ucCtrl.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
	}
	sysUser := ucCtrl.SysUser
	if sysUser == nil {
		br.Msg = "请登录"
		br.ErrMsg = "请登录，SysUser Is Empty"
		br.Ret = 408
		return
	}
	if req.ChatTitle == "" {
		req.ChatTitle = "新会话"
	}
	session := llm.UserLlmChat{
		UserId:      sysUser.AdminId,
		CreatedTime: time.Now(),
		ChatTitle:   req.ChatTitle,
	}
	err = session.CreateChatSession()
	if err != nil {
		br.Msg = "创建失败"
		br.ErrMsg = "创建失败,Err:" + err.Error()
		return
	}
	br.Ret = 200
	br.Success = true
	br.Msg = "创建成功"
}

// RenameChat @Title 新建对话框
// @Description 新建对话框
// @Success 101 {object} response.ListResp
// @router /chat/rename_chat [post]
func (ucCtrl *UserChatController) RenameChat() {
	br := new(models.BaseResponse).Init()
	defer func() {
		ucCtrl.Data["json"] = br
		ucCtrl.ServeJSON()
	}()
	var req llm_http.UserChatReq
	err := json.Unmarshal(ucCtrl.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
	}
	sysUser := ucCtrl.SysUser
	if sysUser == nil {
		br.Msg = "请登录"
		br.ErrMsg = "请登录，SysUser Is Empty"
		br.Ret = 408
		return
	}
	if req.ChatId <= 0 {
		br.Msg = "非法的对话框Id"
		br.ErrMsg = "非法的对话框Id"
		return
	}
	if req.ChatTitle == "" {
		br.Msg = "重命名不能为空"
		br.ErrMsg = "重命名不能为空"
		return
	}
	session := llm.UserLlmChat{
		Id:         req.ChatId,
		UpdateTime: time.Now(),
		UserId:     sysUser.AdminId,
		ChatTitle:  req.ChatTitle,
	}
	err = session.RenameChatSession()
	if err != nil {
		br.Msg = "重命名失败"
		br.ErrMsg = "重命名失败,Err:" + err.Error()
		return
	}
	br.Ret = 200
	br.Success = true
	br.Msg = "重命名成功"
}

// GetUserChatList @Title 获取用户对话框列表
// @Description  获取用户对话框列表
// @Success 101 {object} response.ListResp
// @router /chat/user_chat_list [get]
func (ucCtrl *UserChatController) GetUserChatList() {
	br := new(models.BaseResponse).Init()
	defer func() {
		ucCtrl.Data["json"] = br
		ucCtrl.ServeJSON()
	}()
	sysUser := ucCtrl.SysUser
	if sysUser == nil {
		br.Msg = "请登录"
		br.ErrMsg = "请登录，SysUser Is Empty"
		br.Ret = 408
		return
	}
	//周日是0,周六是6
	toDay := time.Now().Weekday()
	offset := int(time.Monday - toDay)
	if offset > 0 {
		offset -= 7
	}
	monDay := time.Now().AddDate(0, 0, offset).Format(utils.FormatDate)
	chatList, err := llm.GetUserChatList(sysUser.AdminId, monDay, time.Now().Format(utils.FormatDate))
	if err != nil {
		br.Msg = "重命名失败"
		br.ErrMsg = "重命名失败,Err:" + err.Error()
		return
	}
	br.Data = chatList
	br.Ret = 200
	br.Success = true
	br.Msg = "重命名成功"
}