const api_key = 'app-NvKwdHvEK2UmJdmjTGDR0xu6'
const url = 'http://192.168.2.24/v1'
export default {
    data() {
        return {
            controller:null,
        }
    },
    computed:{
        userinfo(){
            return this.$s.getObj('userinfo')
        }
    },
    methods: {
        async getResult(){
            if(!this.notice_file.guid){
                this.$message.warning('请先上传审查意见书')
                return
            }
            
            this.cancelRun()

            this.controller = new AbortController();
            let patent_fileUrls = {}
            // if(this.patent_fileUrls && this.patent_fileUrls.length){
            //     this.patent_fileUrls.forEach(item=>{
            //         patent_fileUrls[item.name] = item.guid
            //     })
            // }
            if(this.relevant_file.contrast_file && this.relevant_file.contrast_file.length){
                this.relevant_file.contrast_file.forEach(item=>{
                    if(item.file && item.file.guid){
                        patent_fileUrls['D' + item.order + '-' + item.file.name] = item.file.guid
                    }
                })
            }
            // var params = {
            //     inputs:{
            //         fileUrl:'http://192.168.2.24:8803/fileManager/downloadFile?fileId='+this.notice_file.guid,
            //         patent_fileUrls:JSON.stringify(patent_fileUrls)
            //     },
            //     query:'OA答辩',
            //     response_mode:'streaming',
            //     user:this.userinfo.id
            // }
            // this.loading = true
            // this.result = null
            // const response = await fetch('https://ai.xsip.cn/v1/chat-messages', {
            //   method: 'POST',
            //   headers: {
            //     'Content-Type': 'application/json',
            //     // 'Accept': 'text/event-stream',
            //     'Authorization': `Bearer ${api_key}`,
            //   },
            //   body:JSON.stringify(params),
            //   signal: this.controller.signal
            // });
            var params = {
                confessionSessionId:this.currentConversation.id,
                patentFileUrls:JSON.stringify(patent_fileUrls),
                appFileGuid:this.relevant_file.app_file.guid,
                modifyFileGuid:this.relevant_file.modify_file.guid
            }
            this.loading = true
            this.loading_text = ''
            var loading_text = ''
            this.result = null
            const response = await fetch('/api/xiaoshi/dify/sendOADefense', {
                method: 'POST',
                headers: {
                  'Content-Type': 'application/json',
                  'Accept': 'text/event-stream',
                },
                body:JSON.stringify(params),
                signal: this.controller.signal
              });
            if (!response.ok) throw new Error('AI API 调用失败');
            const reader = response.body.getReader();
            const decoder = new TextDecoder('utf-8');
            let noFinishMessage = ''
            while (true) {
                const { done, value } = await reader.read();
                if (done){
                    this.loading = false
                    break;
                } 
                const chunk = decoder.decode(value);
                const lines2 = chunk.split('\n\n').filter(line => line.trim() !== '' && line.trim() !== 'data:event: ping')
                for(const line of lines2){
                    const jsonStr1 = line.replace(/^data:\s{0,}/, '');
                    const jsonStr = jsonStr1.trim()
                    if(jsonStr == 'event: ping' || jsonStr ==''){
                        continue;
                    }
                    try {
                        const json = JSON.parse(jsonStr);
                        if(json.event == 'message'){
                            let answer = json.answer
                            try{
                                let answer_json = JSON.parse(answer)
                                if(answer_json.code == 1001){//缺少专利文件
                                    this.result = answer_json
                                    this.$refs.errorTip.open(answer_json)
                                }else if(answer_json.code == 200){
                                    this.queryConfessionSession(false,false,true) 
                                }else if(answer_json.code == 1003){
                                    this.loading_text = answer_json.data
                                    loading_text = answer_json.data
                                }
                            }catch(e){
                                if(loading_text!=''){
                                    loading_text = ''
                                    this.loading_text = ''
                                }
                                this.result += answer;
                            }
                            
                        }else if(json.event == 'message_replace'){
                            this.result = json.answer
                        }else  if(json.event == 'message_end'){
                        }
                        
                    } catch (e) {
                        if(jsonStr.indexOf('{') == 0){
                            noFinishMessage = jsonStr
                        }else{
                            noFinishMessage += jsonStr
                            if(jsonStr.lastIndexOf('}') == jsonStr.length - 1){
                                try{
                                    const json = JSON.parse(noFinishMessage);
                                    if(json.event == 'message'){
                                        let answer = json.answer
                                        try{
                                            let answer_json = JSON.parse(answer)
                                            if(answer_json.code == 1001){//缺少专利文件
                                                this.result = answer_json
                                                this.$refs.errorTip.open(answer_json)
                                            }else if(answer_json.code == 1001){//请求超时
                                                this.result = answer_json
                                            }else if(answer_json.code == 200){
                                                this.queryConfessionSession(false,false,true) 
                                            }else if(answer_json.code == 1003){
                                                this.loading_text = answer_json.data
                                                loading_text = answer_json.data
                                            }
                                        }catch(e){
                                            if(loading_text!=''){
                                                loading_text = ''
                                                this.loading_text = ''
                                            }
                                            this.result += answer;
                                        }
                                    }else if(json.event == 'message_replace'){
                                        this.result = json.answer
                                    }else if(json.event == 'message_end'){
                                    }
                                }
                                catch(e){
                                    console.error('解析响应数据出错:', e);
                                }finally{
                                    noFinishMessage = ''
                                }
                            }
                        }
                    }
                    
                }
            }
        },
        cancelRun(){
            if (this.controller) {
                this.controller.abort();
            }
            this.loading = false
        },
        //格式化AI答复
        formateAIAnswer(chat){
            let answer = chat.replace('null','')

            // let regx1 = /<think>[\s\S]*<\/think>/g
            // let regx2 = /<details style="color:gray;background-color: #f8f8f8;padding: 8px;border-radius: 4px;" open> <summary> Thinking... <\/summary>[\s\S]*<\/details>/g
            // // let regx1 = new RegExp("<think>.*</think>", "g")
            // // let regx2 = new RegExp('<details style="color:gray;background-color: #f8f8f8;padding: 8px;border-radius: 4px;" open> <summary> Thinking... </summary>.*</details>', "g")
            // let text = answer.replace(regx1,'').replace(regx2,'')
            // return [
            //     {
            //         type:'text',
            //         content:text.trim()
            //     }
            // ]

            let len = answer.length

            let signs = [
                {
                    start:'<think>',
                    end:'</think>'
                },
                {
                    start:'<details style="color:gray;background-color: #f8f8f8;padding: 8px;border-radius: 4px;" open> <summary> Thinking... </summary>',
                    end:'</details>'
                },
            ]
            let sign_obj = {}
            let start_index = -1
            let end_index = -1

            for(let i = 0;i<signs.length;i++){
                let item = signs[i]
                let index = answer.indexOf(item.start)
                if(index!=-1){
                    sign_obj = item
                    start_index = index
                    end_index = answer.indexOf(item.end)
                    break;
                }
            }

            var arr = []
            if(start_index == -1){
                let obj = {
                    type:'text',
                    content:answer.trim()
                }
                arr.push(obj)
                return arr
            }
            if(end_index == -1){
                let obj = {
                    type:'text',
                    content:answer.substring(0, start_index).trim()
                }
                arr.push(obj)
                obj = {
                    type:'think',
                    content:answer.substring(start_index + sign_obj.start.length,len).trim(),
                    show:false
                }
                if(chat.id == this.currentMessage.id){
                    obj.show = true
                }
                arr.push(obj)
                return arr
            }
            let obj = {
                type:'text',
                content:answer.substring(0, start_index).trim()
            }
            arr.push(obj)
            obj = {
                type:'think',
                show:false,
                content:answer.substring(start_index + sign_obj.start.length, end_index).trim()
            }
            arr.push(obj)
            obj = {
                type:'text',
                content:answer.substring(end_index + sign_obj.end.length,len).trim()
            }
            arr.push(obj)
            return arr

        },
        async copy(chat){
            let answerDomList = document.querySelectorAll('#answer')
    
            if(answerDomList.length == 0){
                return
            }
            let answerDom = answerDomList[answerDomList.length - 1]
            let answerHtml = answerDom.innerHTML
            let answer_text = answerDom.textContent || answerDom.innerText;
            if(navigator.clipboard && navigator.clipboard.write){
                // 复制复杂内容（纯文本 + HTML）
                navigator.clipboard.write([
                    new ClipboardItem({
                        'text/html': new Blob([answerHtml], { type: 'text/html' }),
                        'text/plain': new Blob([answer_text], { type: 'text/plain' })
                    })
                ]).then(() => {
                    console.log('内容已复制到剪贴板');
                    this.$message.success('复制成功');
                });
                return
            }
            
            let textArea = document.createElement("textarea");
            textArea.value = answer_text;
            // 防止滚动到页面底部
            textArea.style.top = "0";
            textArea.style.left = "0";
            textArea.style.position = "fixed";
            textArea.style.opacity = "0";
            document.body.appendChild(textArea);
            textArea.select();
            try {
                document.execCommand('copy');
                this.$message.success('复制成功');
            } catch (err) {
                this.$message.error('复制失败');
            }
            document.body.removeChild(textArea);
        },

        /**
         * 上传文件处理
         *  */
        // 上传的文件监听
        onchangeFile(file, fileList) {
            if(!this.patent_fileUrls){
                this.$set(this,'patent_fileUrls',[])
            }
            if (file.guid) {
                let index = this.patent_fileUrls.findIndex(item => {
                    return item.uid == file.uid
                })
                if (index != -1) {
                    this.patent_fileUrls.splice(index, 1, file)
                }
            } else {
                this.patent_fileUrls.push(file.raw)
            }
    
        },
        // 删除上传的文件
        onRemove(file, fileList) {
            let index = this.patent_fileUrls.findIndex(item => {
                return item.uid == file.uid
            })
            if (index != -1) {
                this.patent_fileUrls.splice(index, 1)
            }
        },
    },
}