#!/bin/bash

function group {
    echo -e "\e[1m$1\e[0m"
}
function good {
    echo -e "[\e[92m ok \e[0m] \e[32m$1\e[0m"
}
function bad {
    echo -e "[\e[91mfail\e[0m] \e[31m$1\e[0m"
}

function check {
    local NAME
    test -z "$2" || NAME="$2"
    test -z "$NAME" && NAME="$1"
    if [ -z "$(which $1)" ]; then
        bad "$NAME is missing"
    else
        good "Found $NAME at $(which $1)"
    fi
}

group "Checking for zenity"
check "zenity" 
check "dialog"

group "Checking tools"
check "ffprobe"
check "ffmpeg"
check "transcode"