#/bin/bash
#
# message ()
# ----------
#
# External library to display colored messages
#

DEBUG=0
EXIT_ON_ERROR=0
ERROR_CODE=10

DATE_FORMAT=""

msg () {
    declare -A attr
    local c="default"
    
    #foreground colors
    attr[default]="\e[39m"
    attr[red]="\e[31m"
    attr[green]="\e[32m"
    attr[yellow]="\e[33m"
    attr[blue]="\e[34m"
    attr[magenta]="\e[35m"
    attr[cyan]="\e[36m"
    
    #formatting
    attr[reset]="\e[0m"
    attr[bold]="\e[1m"
    attr[r_bold]="\e[22m"
    attr[underl]="\e[4m"
    attr[r_underl]="\e[24m"
    if [[ $1 =~ ^(red|green|yellow|blue|magenta|cyan)$ ]]
    then
        c=$1
        shift
    else
        c="default"
    fi
    #printf "Select color %s with numero %s\n" $c ${attr[$c]}
    #variables
    local message=$(echo "$@" | sed -E "
        s/\*\*([^\*\*]*)\*\*/\\${attr[bold]}\1\\${attr[r_bold]}/g;
        s/__([^__]*)__/\\${attr[underl]}\1\\${attr[r_underl]}/g
    ")
    printf "${attr[$c]}${message}${attr[reset]}"
}

error (){
    msg "red" "ERROR : $@\n"
    [[ $EXIT_ON_ERROR -eq 1 ]] && exit $ERROR_CODE
    exit
}

warning () {
    msg "yellow" "WARNING : $@\n"
}

debug(){
    if [ $DEBUG -eq 1 ]
    then
        local message=$(echo "$@")
        msg "cyan" "DEBUG : ${message}\n"
    fi
}