#!/usr/bin/env bash

# ps -p $$ which shell the script

###########################################################################
#                          UTILITAIRES CHAINES                            #
###########################################################################
# change case from lower case to upper case
l2u() {
	echo "$@" |tr '[:lower:]' '[:upper:]';
}
# change case from lower case to upper case
u2l() {
	echo "$@" |tr '[:upper:]' '[:lower:]' ;
}


###########################################################################
#                                  DATE                                   #
###########################################################################

today() {
	echo "$(u2l "$(date '+%Y-%b-%d')")"
}
now() {
	echo "$(u2l "$(date '+%Y-%b-%d-%H:%M')")"
}

checkDirectory()
{
  p=1;
  for arg in "$@";
  do
    if [[ -z "$arg" || ! -d "$arg" ]] # missing argument or folder
    then
        printf "[!] Argument #%s or directory missing: %s\n" "$p" "$arg"
        printf "[!] Aborting...\n"
      return 0
    fi
    ((p++))
  done
}


checkFile()
{
  p=1;
  for arg in "$@";
  do
    if [[ -z "$arg" || ! -e "$arg" ]] # missing argument or folder
    then
        printf "[!] Argument #%s or directory missing: %s\n" "$p" "$arg"
        printf "[!] Aborting...\n"
      return 0
    fi
    ((p++))
  done
	return 1
}


checkArgument()
{
    for arg in "$@";
    do
        if [[ -z "$arg" ]] # empty argument
        then
            printf "[!] Argument #%s missing: %s\n" "$p" "$arg"
            printf "[!] Aborting...\n"
	        return 0
        else
        	return 1
        fi
    done
}

# @description: check if given directories exists, display missing one and quit if at least one directory is missing
# @param: array of string representing path to directories
quitIfMissing() {
    let status=0 # 0 = no problem, >0 = missing directory

    for directory in "$@";
    do
        if [[ ! -z "$directory" ]] && [[ ! -d "$directory" ]] # vrai si: chemin non-vide et dossier inexistant
        then
              printf "[!] Dossier inexistant: %s\n" "$directory"
              ((status+=1)) # increment status
        fi
    done

    if (($status > 0 ));
    then
        printf "%s\n[i] Directories are missing, you need them to run this script.\n\n" "--"
        return $status;
    fi
}

# eof