#!/usr/bin/env bash

# author:   Daniel Sommer <daniel.sommer@velvettear.de>
# license:  MIT

dir="$(dirname $(realpath "$0"))"

. "$dir/config.env"

function checkVariable() {
    [[ -z "$1" ]] && printf "${FONT_BOLD}error: ${FONT_NORMAL}no $2 given\n" && exit 1
    ! [ "$1" -eq "$1" ] 2> /dev/null && printf "${FONT_BOLD}error: ${FONT_NORMAL}given $2 \'$1\' is not a number\n" && exit 1
}

checkVariable "$1" "midi channel"
checkVariable "$2" "midi controller"
checkVariable "$3" "value"

url="$(""$dir"/url.sh" "/midi")"

printf "> sending POST request to \'$url\'...${FONT_BOLD}"
[ "$(curl -X POST -s -f -w "\n%{http_code}" "$url" -d "channel=$1" -d "controller=$2" -d "value=$3" | tail -n1)" -ne 200 ] && printf " error!\n" || printf " done!\n"