export class PHDParser {
  /**
   * 数据类型
   */
  dataType = ''

  /**
   * 类型 B G 等
   */
  fileType = ''

  /**
   * 质量 FULL 等
   */
  qualify = ''

  /**
   * 生存时间
   */

  liveTime = ''

  /**
   * sample 谱的文件名
   */
  sampleFileName = ''

  /**
   * 其他文件名
   */
  otherFileNames = []

  /**
   * 构造函数
   * @param {string} text
   */
  constructor(text) {
    const getLine = this.readTextLine(text)
    const dataTypeLine = getLine(4)
    const fileTypeLine = getLine(6)
    const fileNameLine = getLine(8)
    const liveTimeLine = getLine(18)

    this.dataType = this.getOnymousData(dataTypeLine)[0]
    const fileType = this.splitLineText(fileTypeLine)
    this.fileType = fileType[2]
    this.qualify = fileType[4]

    const liveTime = parseFloat(this.splitLineText(liveTimeLine)[3]).toFixed(1)
    this.liveTime = liveTime.indexOf('.0') == -1 ? liveTime : liveTime.slice(0, -2)

    // 如果是 Beta 谱
    if (this.fileType == 'B') {
      // 如果解析的是sample 文件，则获取其他三个文件
      if (this.dataType == PHD_DATA_TYPE.SAMPLEPHD) {
        const fileNames = this.getFileNames(fileNameLine)
        this.sampleFileName = fileNames.splice(0, 1)[0]
        this.otherFileNames = fileNames
      }
    }
  }
  /**
   * 将文本按行分割
   * @param {string} text
   * @returns { (line: number) => string }
   */
  readTextLine(text) {
    const splited = text.split('\n')
    return line => {
      return splited[line - 1]
    }
  }

  /**
   * 获取 具名 行的数据
   * @param {string} text
   * @example DATA_TYPE SAMPLEPHD 返回['SAMPLEPHD']
   * @returns {string[]}
   */
  getOnymousData(text) {
    return text.split(' ').slice(1)
  }

  /**
   * 将一行中的文本按空格切割
   * @param {string} text
   */
  splitLineText(text) {
    return text.replace(/\s+/g, ',').split(',')
  }

  /**
   * 获取全部文件名
   * @param {string} text
   */
  getFileNames(text) {
    const unHandledfileNames = this.splitLineText(text)
    const fileTypes = ['S', 'D', 'G']
    const fileNames = unHandledfileNames
      .filter(fileName => fileName)
      .map((fileName, index) => {
        fileName = fileName.replace(/(\d{4})\/(\d{2})\/(\d{2})-(\d{2}):(\d{2})/, '$1$2$3_$4$5')
        return `${fileName}_${fileTypes[index]}_${this.qualify}`
      })
    return fileNames
  }
}

/**
 * PHD 类型
 */
export const PHD_DATA_TYPE = {
  QCPHD: 'QCPHD',
  DETBKPHD: 'DETBKPHD',
  SAMPLEPHD: 'SAMPLEPHD',
  GASBKPHD: 'GASBKPHD'
}