let path = require('path')
let fspromises = require('fs').promises
import { Tools } from '../tools'
import { DEFINE_STRING } from '../../define/define_string'
import { PublicMethod } from '../Public/publicMethod'
import { define } from '../../define/define'
import { get, has, isEmpty } from 'lodash'
import { errorMessage, successMessage } from '../Public/generalTools'
import { ServiceBase } from '../../define/db/service/serviceBase'
import {
  GetDoubaoErrorResponse,
  GetKimiErrorResponse,
  GetOpenAISuccessResponse,
  GetRixApiErrorResponse
} from '../../define/response/openAIResponse'
import axios from 'axios'
import { ValidateJson } from '../../define/Tools/validate'
import { RetryWithBackoff } from '../../define/Tools/common'
const { v4: uuidv4 } = require('uuid') // 引入UUID库来生成唯一标识符
let tools = new Tools()

export class Writing extends ServiceBase {
  pm: PublicMethod
  constructor(global) {
    super()
    this.pm = new PublicMethod(global)
    axios.defaults.baseURL = define.lms
  }

  /**
   * AI 请求发送
   * @param {*} setting
   * @param {*} aiData
   * @param {*} word
   * @returns
   */
  async AIRequest(setting, aiData, word): Promise<string> {
    // 开始请求AI
    let axiosRes = await axios.post('/lms/Forward/ForwardWord', {
      promptTypeId: setting.gptType,
      promptId: setting.gptData,
      gptUrl: aiData.gpt_url + '/v1/chat/completions',
      model: aiData.model,
      machineId: global.machineId,
      apiKey: aiData.api_key,
      word: word
    })

    // 判断返回的状态，如果是失败的话直接返回错误信息
    if (axiosRes.status != 200) {
      throw new Error('请求失败')
    }
    let dataRes = axiosRes.data
    if (dataRes.code == 1) {
      // 获取成功
      // 解析返回的数据
      return GetOpenAISuccessResponse(dataRes.data);

    } else {
      // 系统报错
      if (dataRes.code == 5000) {
        throw new Error('系统错误，错误信息如下：' + dataRes.message)
      } else {
        // 处理不同类型的错误消息
        if (setting.gptAI == 'laiapi') {
          throw new Error(GetRixApiErrorResponse(dataRes.data))
        } else if (setting.gptAI == 'kimi') {
          throw new Error(GetKimiErrorResponse(dataRes.data))
        } else if (setting.gptAI == 'doubao') {
          throw new Error(GetDoubaoErrorResponse(dataRes.data))
        } else {
          throw new Error(dataRes.data)
        }
      }
    }
  }

  /**
   * 流式请求接口
   * @param setting 
   * @param aiData 
   * @param word 
   */
  async AIRequestStream(setting, aiData, word, oldData: string) {
    let body = {
      promptTypeId: setting.gptType,
      promptId: setting.gptData,
      gptUrl: aiData.gpt_url,
      model: aiData.model,
      machineId: global.machineId,
      apiKey: aiData.api_key,
      word: word
    }

    var myHeaders = new Headers();
    myHeaders.append("User-Agent", "Apifox/1.0.0 (https://apifox.com)");
    myHeaders.append("Content-Type", "application/json");

    var requestOptions = {
      method: 'POST',
      headers: myHeaders,
      body: JSON.stringify(body),
    };

    let resData = '\n\n';
    return new Promise((resolve, reject) => {
      fetch(define.lms + "/lms/Forward/ForwardWordStream", requestOptions)
        .then(response => {
          if (!response.body) {
            throw new Error('ReadableStream not yet supported in this browser.');
          }
          const reader = response.body.getReader();
          return new ReadableStream({
            start(controller) {
              function push() {
                reader.read().then(({
                  done,
                  value
                }) => {
                  if (done) {
                    controller.close();
                    resolve(resData)
                    return;
                  }
                  // 假设服务器发送的是文本数据
                  const text = new TextDecoder().decode(value);
                  resData += text
                  // 将数据返回前端
                  global.newWindow[0].win.webContents.send(DEFINE_STRING.GPT.GPT_STREAM_RETURN, oldData + resData)
                  controller.enqueue(value); // 可选：将数据块放入流中
                  push();
                }).catch(err => {
                  controller.error(err);
                  reject(err)
                });
              }
              push();
            }
          });
        })
        .catch(error => {
          reject(error)
        });
    })
  }

  async SplitWord(word: string, wordCount: number) {
    let word_list = word.split('\n')
    let new_word = []
    let tmp_str = ''
    let result = []
    for (let i = 0; i < word_list.length; i++) {
      const element = word_list[i];
      if (tmp_str.length + element.length > wordCount) {
        result.push({
          index: i,
          word: new_word.join('\n')
        })

        new_word = []
        tmp_str = ""
        new_word.push(element);
      } else {
        tmp_str += ',' + element
        new_word.push(element);
      }
    }
    result.push({
      index: word_list.length,
      word: new_word.join('\n')
    })
    return result

  }

  /**
   * 文案处理，GPT进行推理
   * @param {*} setting
   * @param {*} word
   * @returns
   */
  async ActionStart(setting, word) {
    try {
      await this.InitService()
      // console.log(setting, word)
      if (isEmpty(setting.gptType)) {
        throw new Error('请选择GPT类型')
      }
      if (isEmpty(setting.gptData)) {
        throw new Error('请选择GPT预设')
      }
      if (isEmpty(setting.gptAI)) {
        throw new Error('请选择使用的AI')
      }

      // 判断对应的AI的设置是不是有
      let aiSetting = this.softService.GetSoftWarePropertyData('aiSetting')
      if (isEmpty(aiSetting)) {
        throw new Error('请先设置AI设置')
      }
      let tryP = ValidateJson(aiSetting)
      if (!tryP) {
        throw new Error('AI设置的数据格式不正确')
      }
      aiSetting = JSON.parse(aiSetting)
      // 判断是不是有对应的AI设置
      let aiData = get(aiSetting, setting.gptAI)
      for (const aid in aiData) {
        if (isEmpty(aid)) {
          throw new Error('请先设置AI设置')
        }
      }
      if (isEmpty(word)) {
        throw new Error('请先设置文案')
      }
      let result = ''
      if (setting.isSplit) {
        // 这边拆分文案
        let spiltWord = await this.SplitWord(word, setting.splitNumber)
        for (let i = 0; i < spiltWord.length; i++) {
          const element = spiltWord[i];
          if (setting.isStream) {
            result += await RetryWithBackoff(async () => {
              return await this.AIRequestStream(setting, aiData, element.word, result)
            }, 3, 1000) + '\n'
          } else {
            result = await RetryWithBackoff(async () => {
              return await this.AIRequest(setting, aiData, word)
            }, 3, 1000)
          }
        }
      } else {
        if (setting.isStream) {
          result += await RetryWithBackoff(async () => {
            return await this.AIRequestStream(setting, aiData, word, '')
          }, 3, 1000) + '\r\n\n'
        } else {
          result = await RetryWithBackoff(async () => {
            return await this.AIRequest(setting, aiData, word)
          }, 3, 1000)
        }
      }
      return successMessage(result, "执行文案相关任务成功", 'Writing_ActionStart');
    } catch (error) {
      return errorMessage(
        '执行文案相关任务失败，失败信息如下：' + error.toString(),
        'Writing_ActionStart'
      )
    }
  }

  //#region 下面是文案的处理相关

  /**
   * 将文案信息写入到本地的文案文件中
   * @param {*} value
   */
  async SaveWordTxt(value) {
    try {
      let word_path = path.join(global.config.project_path, '文案.txt')
      await tools.writeArrayToFile(value, word_path)
      return {
        code: 1,
        message: '保存成功'
      }
    } catch (error) {
      throw new Error(error)
    }
  }

  /**
   * 将分镜的时间信息添加道配置文件中
   * @param {*} value 是一个数组，0 ：写入的数据 1：写入的属性 2：是否需要解析
   */
  async SaveCopywritingInformation(value) {
    try {
      return await this.pm.SaveConfigJsonProperty(value)
    } catch (error) {
      return {
        code: 0,
        message: error.toString()
      }
    }
  }

  /**
   * 获取Config.json文件中指定的属性
   * @param {Array} value 传入的值 0 ： 需要获取的属性 1： 返回的默认值
   * @returns
   */
  async GetConfigJson(value) {
    try {
      return await this.pm.GetConfigJson(value, false)
    } catch (error) {
      return {
        code: 0,
        message: error.toString()
      }
    }
  }

  /**
   * 获取当前项目下面的文案
   */
  async GetProjectWord() {
    try {
      // 先判断当前的项目文件下面是不是又配置文件。没有才读取文案
      let srt_config_path = path.join(global.config.project_path, 'scripts/config.json')
      let isExist = await tools.checkExists(srt_config_path)
      let data = null
      let isImformation = false
      if (isExist) {
        let config_1 = JSON.parse(await fspromises.readFile(srt_config_path))
        isImformation = has(config_1, 'srt_time_information')
        if (isImformation) {
          data = JSON.parse(await fspromises.readFile(srt_config_path)).srt_time_information
        }
      }

      if (!isExist || !isImformation) {
        let word_path = path.join(global.config.project_path, '文案.txt')
        let isExistWord = await tools.checkExists(word_path)
        if (!isExistWord) {
          return {
            code: 0,
            message: '没有文案文件'
          }
        }
        let data = await fspromises.readFile(word_path, { encoding: 'utf-8' })
        let lines = data.split(/\r?\n/)
        // 打印或返回这个数组
        // console.log(lines);
        // 判断是不是有洗稿后的文件
        let new_srt_path = path.join(global.config.project_path, 'new_word.txt')
        let isExistAfterGPTWord = await tools.checkExists(new_srt_path)
        let after_data = null
        if (isExistAfterGPTWord) {
          after_data = (await fspromises.readFile(new_srt_path, { encoding: 'utf-8' })).split(
            /\r?\n/
          )
        }
        // 判断抽帧文件是不是存在
        // 返回图片信息
        let old_image_path_list = await tools.getFilesWithExtensions(
          path.join(global.config.project_path, 'tmp/input_crop'),
          '.png'
        )
        let res = []
        let lastId = ''
        // 处理数据
        for (let i = 0; i < lines.length; i++) {
          const line = lines[i]
          let id = uuidv4()
          let after_gpt = null
          if (after_data != null) {
            after_gpt = after_data[i]
          }

          let img_path = null
          if (old_image_path_list != null) {
            img_path = old_image_path_list[i]
          }
          let obj = {
            no: i + 1,
            id: id,
            lastId: lastId,
            word: line,
            old_image: img_path,
            after_gpt: after_gpt,
            start_time: null,
            end_time: null,
            timeLimit: null,
            subValue: []
          }
          res.push(obj)
          lastId = id
        }
        return {
          code: 1,
          type: 0,
          data: res
        }
      } else {
        let data = JSON.parse(await fspromises.readFile(srt_config_path)).srt_time_information
        return {
          code: 1,
          type: 1,
          data: data
        }
      }
    } catch (error) {
      throw new Error(error)
    }
  }

  /**
   * 搭导入srt。然后加载时间轴。完全匹配失败的将会还是会导入然后手动手动切换
   * @param {文案洗稿界面信息} textData
   */
  async ImportSrtAndGetTime(data) {
    let textData = data[0]
    let init_num = textData.length
    let srt_path = data[1]
    let current_text = ''
    let iii = 0
    let sss = ''
    try {
      if (!srt_path) {
        // 获取项目下面的所有的srt
        let srtfiles = await tools.getFilesWithExtensions(global.config.project_path, '.srt')
        if (srtfiles.length <= 0) {
          throw new Error('没有SRT文件')
        }
        srt_path = srtfiles[0]
      }
      let srt_data = (await fspromises.readFile(srt_path, 'utf-8')).toString('utf-8')
      const entries = srt_data.replace(/\r\n/g, '\n').split('\n\n')
      let data = entries
        .map((entry) => {
          const lines = entry.split('\n')
          if (lines.length >= 3) {
            const times = lines[1]
            const text = lines.slice(2).join(' ')
            const [start, end] = times.split(' --> ').map((time) => {
              const [hours, minutes, seconds] = time.split(':')
              const [sec, millis] = seconds.split(',')
              return (
                (parseInt(hours) * 3600 + parseInt(minutes) * 60 + parseInt(sec)) * 1000 +
                parseInt(millis)
              )
            })
            return { start, end, text, id: uuidv4() }
          }
        })
        .filter((entry) => entry)
      // 开始匹配（洗稿后的）
      let srt_list = []
      let srt_obj = null
      let text_count = 0
      let tmp_str = ''

      for (let i = 0; i < data.length;) {
        iii = i
        sss = data[i].after_gpt
        let srt_value = data[i].text
        current_text = `字幕： “${srt_value}” 和文案第${text_count + 1} 行数据 “${textData[text_count].after_gpt
          }” 数据不匹配（检查一下上下文）`
        let start_time = data[i].start
        let end_time = data[i].end
        let obj = {
          start_time,
          end_time,
          srt_value,
          id: data[i].id
        }
        // 判断当前字幕是不是在当前句
        // 不能用简单的包含，而是将数据进行去除特殊符号拼接后判断是不是相同
        tmp_str += srt_value
        if (
          tools
            .removePunctuationIncludingEllipsis(textData[text_count].after_gpt)
            .startsWith(tools.removePunctuationIncludingEllipsis(tmp_str))
        ) {
          if (srt_obj == null) {
            srt_obj = {}
            srt_obj.id = uuidv4()
            srt_obj.start_time = start_time
            srt_obj.value = srt_value
            srt_obj.subValue = [obj]
          } else {
            srt_obj.value = srt_obj.value + srt_value
            srt_obj.subValue = [...srt_obj.subValue, obj]
          }
          textData[text_count].start_time = srt_obj.start_time
          textData[text_count].subValue = srt_obj.subValue
          srt_list.push(obj)
          i++
        } else {
          // 判断下一句文件是不是以当当前巨开头。是的话继续。不是的话。直接返回后面的所有信息
          if (
            tools
              .removePunctuationIncludingEllipsis(textData[text_count + 1].after_gpt)
              .startsWith(tools.removePunctuationIncludingEllipsis(srt_value))
          ) {
            textData[text_count].end_time = srt_list[srt_list.length - 1].end_time
            text_count++
            srt_obj = null
            tmp_str = ''
          } else {
            // 将下面的数据直接 添加到textData后面。
            // 修改当前行数据的结束事件为
            if (srt_list.length > 0) {
              textData[text_count].end_time = srt_list[srt_list.length - 1].end_time
              text_count++
            }
            // 将后面的数据直接添加
            let lastId = textData[textData.length - 1].id
            for (let j = i; j < data.length; j++) {
              // 直接修改原有数据
              if (text_count < init_num) {
                textData[text_count].subValue = [
                  {
                    start_time: data[j].start,
                    end_time: data[j].end,
                    id: data[j].id,
                    srt_value: data[j].text
                  }
                ]
                textData[text_count].start_time = data[j].start
                textData[text_count].end_time = data[j].end
                text_count++
              } else {
                let id = uuidv4()
                // 添加
                let obj = {
                  no: j + 1,
                  id: id,
                  word: null,
                  lastId: lastId,
                  old_image: path.normalize(define.zhanwei_image),
                  after_gpt: null,
                  start_time: data[j].start,
                  end_time: data[j].end,
                  subValue: [
                    {
                      start_time: data[j].start,
                      end_time: data[j].end,
                      id: data[j].id,
                      srt_value: data[j].text
                    }
                  ]
                }
                lastId = id
                textData.push(obj)
              }
            }
            global.newWindow[0].win.webContents.send(DEFINE_STRING.SHOW_MESSAGE_DIALOG, {
              code: 0,
              message: current_text
            })
            return {
              code: 1,
              data: textData
            }
          }
        }
      }
      // 最后对齐
      textData[textData.length - 1].end_time = srt_list[srt_list.length - 1].end_time
      // 返回数据
      return {
        code: 1,
        data: textData
      }
    } catch (error) {
      // console.log(iii)
      // console.log(sss)
      return {
        code: 0,
        message: error.toString()
      }
    }
  }

  //#endregion
}