package utils

import (
  "fmt"
  "strings"
  "os"
)

type Debug func(format string, v ...interface{})

func Init(flag string) Debug {
  enable := false

  env := os.Getenv("DEBUG")
  parts := strings.Split(env, ",")
  for _, part := range parts {
    if part == flag {
      enable = true
      break
    }
  }

  return func (format string, v ...interface{}) {
    if enable {
      fmt.Println(fmt.Sprintf(format, v...))
    }
  }
}