/**
 * 知识库项目编辑
 */

import { Text, View } from "@tarojs/components";

import PageCustom from "@/components/page-custom/index";
import NavBarNormal from "@/components/NavBarNormal/index";
import BottomBar from "@/components/BottomBar";

import IconQ from "@/components/icon/IconQ";
import IconA from "@/components/icon/IconA";

import IconPlusColor14 from "@/components/icon/IconPlusColor14";
import IconALink from "@/components/icon/IconALink";
import IconDeleteGray16 from "@/components/icon/IconDeleteGray16";
import { useEffect, useRef, useState } from "react";
import IconAImage from "@/components/icon/IconAImage";
import WemetaTextarea from "@/components/wemeta-textarea";
import WemetaInput from "@/components/wemeta-input";
import UploaderGrid from '@/components/UploaderGrid'
import type { TMediaType } from "@/types/index";

import { uploadFile } from "@/utils/http";
import { EUploadFileScene } from "@/consts/enum";

import Taro, { useRouter } from "@tarojs/taro";
import { isSuccess } from "@/utils";
import { editVisitorDislikeAnswer, getVisitorMessagesByMsgId } from "@/service/visitor";

import { TVisitorChat } from "@/types/visitor";
import { EContentType, TMessageBodyContent } from "@/types/bot";

type TFormdata = {content:string, correctionAnswer: string, links: string[], mediaList: TMediaType[]}

export default function Index() {

  const router = useRouter()
  const { msgId, visitorId, agentId } = router.params as {msgId: string, visitorId: string, agentId: string}

  
  
  const [visitorQ, setQVisitor] = useState<TVisitorChat|null>(null)
  const [visitor, setVisitor] = useState<TVisitorChat|null>(null)
  const [isDislike, setIsDislike] = useState(false)
  const [formData, setFormData] = useState<TFormdata>(
    {
      content: '',
      correctionAnswer: '',
      links: [],
      mediaList: [] //{fileType: 'image',url: 'https://cdn.wehome.cn/cmn/png/53/META-H8UKWHWU-2JNUAG2BARJF55VHU9QS3-YBQGHDAM-IW.png'}
    }
  );

  const handleInput = (value: string) => {
    setFormData({
      ...formData,
      content: value,
    });
  };
  const handleValueAInput = (value: string) => {
    setFormData({
      ...formData,
      correctionAnswer: value,
    });
  };

  // 添加链接
  const addLink = () => {
    setFormData({
      ...formData,
      links: [...formData.links, ""],
    });
  };

  // 删除链接
  const removeLink = (e, index) => {
    e.stopPropagation();
    const newLinks = [...formData.links];
    newLinks.splice(index, 1);
    setFormData({
      ...formData,
      links: newLinks,
    });
  };

  // 更新单个链接
  const handleLinkChange = (index:number, value: string) => {
    const newLinks = [...formData.links];
    newLinks[index] = value;
    setFormData({
      ...formData,
      links: newLinks,
    });
  };

  const handleDeleteMedia = (index:number) => {
    setFormData(prev => ({
      ...prev,
      mediaList: prev.mediaList.filter((_, i) => i !== index)
    }));
  };

  const handleSubmit = async () => {
    if(!msgId || !visitorId || !visitor){
      return
    }
    const dataToSubmit = {
      questions : visitorQ?.content ? [visitorQ?.content] : [],
      visitorId: visitorId,
      answer: formData.correctionAnswer,
      content: formData.content,
      agentId: agentId,
      msgId: msgId,
      correctionId: visitor.correctionId,
      links: formData.links.filter(link => link.trim() !== ''),
      pics: formData.mediaList.map( item => item.url),
    }
    console.log(dataToSubmit)
    
    const {status} = await editVisitorDislikeAnswer(dataToSubmit)
    if(isSuccess(status)){
      Taro.showToast({title: '保存成功', icon: 'success'})
    }
  }
  const getDetail = async () => {
    const {status, data} = await getVisitorMessagesByMsgId({
      msgId,
      visitorId,
      size: 2,
    })
    
    if(isSuccess(status), data[0]){
      const _visitor = data[0]
      setVisitor(_visitor)
      if(data[1]){
        setQVisitor(data[1])
      }

      setIsDislike(_visitor.isDislike)
      
      let content = _visitor.content
      let links = _visitor.correctionLinks ?? []
      let pics = _visitor.correctionPics ?? []
      // 特殊处理消息内容
      if(_visitor.contentType === EContentType.AiseekQA){
        try{
          const json = JSON.parse(_visitor.content) as TMessageBodyContent
          content = json.answer.text
          links = json.answer.payload.links
          pics = json.answer.payload.pics
        }catch(e){}
      }

      setFormData({
        content: content,
        correctionAnswer: _visitor.correctionAnswer,
        links: links,
        mediaList: pics?.map( pic => {
          return {fileType: 'image', url: pic}
        }) ?? [],
      })
    }
  }


  const handleChooseMedia = ()=> {
    Taro.chooseMedia({
      count: 10,
      mediaType: ["image"],
      sourceType: ["album", "camera"],
      async success(r) {
        // const tempFiles = r.tempFiles;
        for (const tempFile of r.tempFiles){
          const result = await uploadFile(tempFile.tempFilePath, EUploadFileScene.OTHER)
          if(result?.publicUrl){
            setFormData(prev => {
              return {...prev, mediaList: [{fileType:'image', url: result.publicUrl}, ...prev.mediaList]}
            })
          }
        }
      }
    })
  }

  useEffect(()=> {
    if(visitorId && msgId){
        getDetail()
    }
    
  }, [visitorId, msgId])

  

  return (
    <PageCustom>
      <NavBarNormal scrollFadeIn>{isDislike ? '纠错' : '编辑'}</NavBarNormal>
      <View className="w-full pb-120">
        <View className="p-16">
          {isDislike && <View className="text-gray-45 text-14 text-center py-8">修改后的问答将存入知识库，持续训练提升您的智能体</View>}
          <View className="flex flex-col gap-16">
            <View className="flex flex-col">
              <View className="flex items-start gap-8 mb-6">
                <View className="flex-center h-28">
                  <IconQ />
                </View>
                <View className="flex-1 text-14 leading-28">提问</View>
              </View>
              <View className="p-16 bg-white rounded-12">
                {visitorQ?.content}
              </View>
            </View>
            <View className="flex flex-col">
              <View className="flex items-start gap-8 mb-6">
                <View className="flex-center h-28">
                  <IconA />
                </View>
                <View className="flex-1 text-14 leading-28">原回答</View>
              </View>
              <View className="">
                <WemetaTextarea
                  value={formData.content}
                  disabled
                  onInput={handleInput}
                />
              </View>
            </View>

            {/* 回答 */}
            <View className="flex flex-col">
              <View className="flex items-start gap-8 mb-6">
                <View className="flex-center h-28">
                  <IconA />
                </View>
                <View className="flex-1 text-14 leading-28">纠错回答</View>
              </View>
              <View>
                <WemetaTextarea
                  value={formData.correctionAnswer}
                  onInput={handleValueAInput}
                  placeholder="描述正确的回答"
                />
              </View>
            </View>

            {/* 链接 */}
            <View className="flex flex-col">
              <View className="flex items-start gap-8 mb-6">
                <View className="flex-center h-28">
                  <IconALink />
                </View>
                <View className="flex-1 text-14 leading-28">链接</View>
                <View className="flex-center px-8 gap-4" onClick={addLink}>
                  <IconPlusColor14 />
                  <View className="text-primary">新增</View>
                </View>
              </View>
              <View className="flex flex-col gap-8">
                {formData.links.map((link, index) => {
                  return (
                    <WemetaInput
                      value={link}
                      onInput={(value) => handleLinkChange(index, value)}
                      suffix={() => (
                        <View onClick={(e) => removeLink(e, index)}>
                          <IconDeleteGray16 />
                        </View>
                      )}
                      placeholder="请输入查看链接，支持长按粘贴..."
                    />
                  );
                })}
              </View>
            </View>

            {/* 图片 */}
            <View className="flex flex-col">
              <View className="flex items-start gap-8 mb-6">
                <View className="flex-center h-28">
                  <IconAImage />
                </View>
                <View className="flex-1 text-14 leading-28">图片</View>
              </View>
              <UploaderGrid onNewUpload={handleChooseMedia}  list = {formData.mediaList} onChange={()=> {}} onDelete={handleDeleteMedia} />
            </View>
            
          </View>
        </View>

        <BottomBar>
          <View className="button-rounded button-primary flex-1" onClick={handleSubmit}>保存</View>
        </BottomBar>
      </View>
    </PageCustom>
  );
}