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import { blue, green, yellow, red } from 'https://deno.land/std@0.90.0/fmt/colors.ts'
export type LevelNames = 'debug' | 'info' | 'warn' | 'error' | 'fatal'
export enum Level {  Debug = 0,  Info = 1,  Warn = 2,  Error = 3,  Fatal = 4,}
export class Logger {  #level: Level = Level.Info
  setLevel(level: LevelNames) {    switch (level) {      case 'debug':        this.#level = Level.Debug        break      case 'info':        this.#level = Level.Info        break      case 'warn':        this.#level = Level.Warn        break      case 'error':        this.#level = Level.Error        break      case 'fatal':        this.#level = Level.Fatal        break    }  }
  debug(...args: unknown[]) {    if (this.#level <= Level.Debug) {      console.log(blue('DEBUG'), ...args)    }  }
  info(...args: unknown[]) {    if (this.#level <= Level.Info) {      console.log(green('INFO'), ...args)    }  }
  warn(...args: unknown[]) {    if (this.#level <= Level.Warn) {      console.log(yellow('WARN'), ...args)    }  }
  error(...args: unknown[]) {    if (this.#level <= Level.Error) {      console.log(red('ERROR'), ...args)    }  }
  fatal(...args: unknown[]) {    if (this.#level <= Level.Fatal) {      console.log(red('FATAL'), ...args)      Deno.exit(1)    }  }}
export default new Logger()