#!/bin/bash 

function install_deps_raspbian {

    local PHP_BINARY="$(which php)"
    local PACKAGES=""
    if [ -z $PHP_BINARY ]; then
        debug "PHP Version: None"
        PACKAGES="php5-cli $PACKAGES"
    else
        debug "PHP Version: $(php --version | head -n1 | cut -d' ' -f2)"
        MAJOR=$(php -r 'echo substr(PHP_VERSION_ID,0,1);')
        if [ "$MAJOR" != "5" ]; then
            error "The Raspbian dependency installer only support PHP 5"
            exit 
        fi
    fi

    local PHPDEV_STATE="$(dpkg --get-selections | grep php5-dev | awk '{ print $2 }')"
    if [ "$PHPDEV_STATE" != "install" ]; then
        PACKAGES="php5-dev $PACKAGES"
    fi

    local PHPPEAR_STATE="$(dpkg --get-selections | grep php-pear | awk '{ print $2 }')"
    if [ "$PHPPEAR_STATE" != "install" ]; then
        PACKAGES="php-pear $PACKAGES"
    fi

    local GPGME_STATE="$(dpkg --get-selections | grep libgpgme11-dev | awk '{ print $2 }')"
    if [ "$GPGME_STATE" != "install" ]; then
        PACKAGES="libgpgme11-dev $PACKAGES"
    fi

    if [ -z "$PACKAGES" ]; then
        debug "All required packages are already installed"
    else
        exec "sudo apt -qq -y install $PACKAGES"
    fi

}

install_deps_raspbian