import XRegExp from 'xregexp'

// Parser function
const parseLog = (data: string) => {
  const patterns = [
    XRegExp(
      '^.*Software.*\\((?<SOFTWARE_IMAGE>\\S+)\\),\\s+Version\\s+(?<VERSION>.+?),\\s+RELEASE.*\\((?<RELEASE>\\S+)\\)'
    ),
    XRegExp('Active-image:\\s+(?<SOFTWARE_IMAGE>\\S+)'),
    XRegExp('Version:\\s+(?<VERSION>\\S+)'),
    XRegExp('^ROM:\\s+(?<ROMMON>\\S+)'),
    XRegExp('^(?<HOSTNAME>\\S+)\\s+uptime\\s+is\\s+(?<UPTIME>.+)'),
    XRegExp('Date:\\s+(?<UPTIME>\\S+)'),
    XRegExp('uptime\\s+is.*\\s+(?<UPTIME_YEARS>\\d+)\\syear'),
    XRegExp('uptime\\s+is.*\\s+(?<UPTIME_WEEKS>\\d+)\\sweek'),
    XRegExp('uptime\\s+is.*\\s+(?<UPTIME_DAYS>\\d+)\\sday'),
    XRegExp('uptime\\s+is.*\\s+(?<UPTIME_HOURS>\\d+)\\shour'),
    XRegExp('uptime\\s+is.*\\s+(?<UPTIME_MINUTES>\\d+)\\sminute'),
    XRegExp('System\\s+image\\s+file\\s+is\\s+"(?:.*?):(?<RUNNING_IMAGE>\\S+)"'),
    XRegExp('(?:Last reload reason:|System returned to ROM by)\\s+(?<RELOAD_REASON>.+)'),
    XRegExp('[Pp]rocessor\\s+board\\s+ID\\s+(?<SERIAL>\\w+)'),
    XRegExp(
      '[Cc]isco\\s+(?<HARDWARE>\\S+|\\S+\\d\\S+)\\s+\\(.+\\)\\s+with\\s+(?<MEMORY>.+)\\s+bytes'
    ),
    // XRegExp("^(?<USB_FLASH>.+)\\s+bytes\\s+of\\s+[Uu][Ss][Bb]+\\s+[Ff]lash"),
    XRegExp(
      '^(?<USB_FLASH>.+?)\\s+bytes\\s+of\\s+(?:' +
        '[Uu][Ss][Bb]+\\s+[Ff]lash' + // USB Flash
        '|ATA\\s+System\\s+CompactFlash.*' + // ATA System CompactFlash
        '|flash\\s+memory\\s+at\\s+bootflash:' + // flash memory at bootflash
        ')'
    ),
    XRegExp(
      'Base\\s+[Ee]thernet\\s+MAC\\s+[Aa]ddress\\s+:\\s+(?<MAC_ADDRESS>[0-9a-fA-F]{2}(?::[0-9a-fA-F]{2}){5})'
    ),
    XRegExp('Configuration\\s+register\\s+is\\s+(?<CONFIG_REGISTER>\\S+)'),
  ]

  const lines = data.split('\n')
  const records: any = {
    SOFTWARE_IMAGE: '',
    VERSION: '',
    RELEASE: '',
    ROMMON: '',
    HOSTNAME: '',
    UPTIME: '',
    UPTIME_YEARS: '',
    UPTIME_WEEKS: '',
    UPTIME_DAYS: '',
    UPTIME_HOURS: '',
    UPTIME_MINUTES: '',
    RELOAD_REASON: '',
    RUNNING_IMAGE: '',
    HARDWARE: '',
    SERIAL: '',
    CONFIG_REGISTER: '',
    MAC_ADDRESS: '',
    MEMORY: '',
    USB_FLASH: '',
  }

  for (const line of lines) {
    for (const pattern of patterns) {
      const match = XRegExp.exec(line, pattern)
      if (match) {
        const item = match?.groups || {}
        Object.keys(item).forEach((key) => {
          if (item[key] !== undefined) {
            records[key] = item[key]
          }
        })
        break
      }
    }
  }

  return [records]
}

export default parseLog