#!/bin/bash

# Error handling
set -e

# For styling/colorizing output
txtbld=$(tput bold)
# txtblue=${txtbld}$(tput setaf 4)
# txtgreen=${txtbld}$(tput setaf 2)
txtred=${txtbld}$(tput setaf 1)
# txtyellow=${txtbld}$(tput setaf 3)
txtwhite=${txtbld}$(tput setaf 7)


# Dependency check
function dependencycheck()
{
    numdependencies="$#"
    dependencies=("$@")
    missingdependencies=0
    for ((i = 0; i < numdependencies; i++)) ;
    do
        if ! command -v "${dependencies[$i]}" &> /dev/null
        then
            echo "${txtred}dependency not met: ${dependencies[$i]}${txtwhite}"
            missingdependencies=$((missingdependencies+1))
        fi
    done
}

#invoke function
dependencycheck "$@"

if [ $missingdependencies -gt 0 ] ; then
    echo "${txtred}Please install needed dependencies${txtwhite}"
    exit 1
fi