export interface IUtil {
  nodeStringToObject: (node: string) => object; 
  Random: (time: number) => number; 
  _require: (name: string) => object | void | null
  wrapper: (style: string, str: any) => string; 
  colors: object; 
  bold: (str: any) => string; 
}

const COLORS = {
    "reset": "\033[0m",
    "bold": "\033[1m",
    "boldoff": "\033[22m",
    "underline": "\033[4m",
    "inverse": "\033[7m",
    // foreground colors
    "black": "\033[30m",
    "red": "\033[31m",
    "green": "\033[32m",
    "yellow": "\033[33m",
    "blue": "\033[34m",
    "magenta": "\033[35m",
    "cyan": "\033[36m",
    "white": "\033[37m",
    // background colors
    "bg_black": "\033[40m",
    "bg_red": "\033[41m",
    "bg_green": "\033[42m",
    "bg_yellow": "\033[43m",
    "bg_blue": "\033[44m",
    "bg_magenta": "\033[45m",
    "bg_cyan": "\033[46m",
    "bg_white": "\033[47m"
  }

export let Util: IUtil = {
  Random (time) {
    return Math.random() * time
  }, 

  nodeStringToObject (str) {
    return {host: str.split(':')[0], port: str.split(':')[1]}
  }, 

  _require (name) {
    // if the user has passed a require object to the XYZ()
    if (typeof (name) === 'object' || typeof(name) === 'function')
      return name

    let ret
    try {
      ret = require(`./../Service/${name}`)
    } catch (e) {
      ret = false
    } finally {
      return ret
    }
  }, 

  wrapper(style, str) {
    return `${COLORS[style]}${str}${COLORS['reset']}`
  }, 

  bold(str) {
    return `${COLORS['bold']}${str}${COLORS['reset']}`
  }, 

  colors : COLORS
} 

export let wrapper = Util.wrapper
export let bold = Util.bold