#!/bin/bash
#  _     _ _                           
# | |   (_) |__  _ __ __ _ _ __ _   _  
# | |   | | '_ \| '__/ _` | '__| | | | 
# | |___| | |_) | | | (_| | |  | |_| | 
# |_____|_|_.__/|_|  \__,_|_|   \__, | 
#                               |___/  
#  
# by Benjamin Palko [based on Stephan Raabe] (2023) 
# ----------------------------------------------------- 

# ------------------------------------------------------
# Function: Is package installed
# ------------------------------------------------------
_isInstalledPacman() {
    package="$1";
    check="$(sudo pacman -Qs --color always "${package}" | grep "local" | grep "${package} ")";
    if [ -n "${check}" ] ; then
        echo 0; #'0' means 'true' in Bash
        return; #true
    fi;
    echo 1; #'1' means 'false' in Bash
    return; #false
}

_isInstalledYay() {
    package="$1";
    check="$(yay -Qs --color always "${package}" | grep "local" | grep "\." | grep "${package} ")";
    if [ -n "${check}" ] ; then
        echo 0; #'0' means 'true' in Bash
        return; #true
    fi;
    echo 1; #'1' means 'false' in Bash
    return; #false
}

_isInstalledBrew() {
    package="$1";
    check="$(brew list | grep "${package} ")";
    if [ -n "${check}" ] ; then
        echo 0; #'0' means 'true' in Bash
        return; #true
    fi;
    echo 1; #'1' means 'false' in Bash
    return; #false
}

# ------------------------------------------------------
# Function Install all package if not installed
# ------------------------------------------------------
_installPackagesPacman() {
    toInstall=();
    for pkg; do
        if [[ $(_isInstalledPacman "${pkg}") == 0 ]]; then
            echo ":: ${pkg} is already installed.";
            continue;
        fi;
        toInstall+=("${pkg}");
    done;

    if [[ "${toInstall[@]}" == "" ]] ; then
        # echo "All pacman packages are already installed.";
        return;
    fi;

    # printf "Package not installed:\n%s\n" "${toInstall[@]}";
    sudo pacman --noconfirm -S "${toInstall[@]}";
}

_installPackagesYay() {
    toInstall=();
    for pkg; do
        if [[ $(_isInstalledYay "${pkg}") == 0 ]]; then
            echo ":: ${pkg} is already installed.";
            continue;
        fi;
        toInstall+=("${pkg}");
    done;

    if [[ "${toInstall[@]}" == "" ]] ; then
        # echo "All packages are already installed.";
        return;
    fi;

    # printf "AUR packags not installed:\n%s\n" "${toInstall[@]}";
    yay --noconfirm -S "${toInstall[@]}";
}

_installPackagesBrew() {
    toInstall=();
    for pkg; do
        if [[ $(_isInstalledBrew "${pkg}") == 0 ]]; then
            echo ":: ${pkg} is already installed.";
            continue;
        fi;
        toInstall+=("${pkg}");
    done;

    if [[ "${toInstall[@]}" == "" ]] ; then
        echo "All brew packages are already installed.";
        return;
    fi;

    brew install "${toInstall[@]}";
}