declare -a errorList
declare -a packageList
if [[ $# -eq 0 ]]; then
    echo "Checking your system..."
    echo
fi
if command -v wine &> /dev/null ; then
    [[ $# -eq 0 ]] && echo "Wine is installed."
else
    errorList+=("Critical: Wine is not installed. You will not be able to play any games.")
fi
packageList+=("wine")
if command -v curl &> /dev/null ; then
    [[ $# -eq 0 ]] && echo "Curl is installed."
else
    errorList+=("Critical: Curl is not installed. Critical functionality will not work.")
fi
packageList+=("curl")
if command -v dialog &> /dev/null ; then
    [[ $# -eq 0 ]] && echo "Dialog is installed."
else
    errorList+=("Critical: Dialog is not installed. You will not be able to install, launch, or remove any games.")
fi
packageList+=("dialog")
for i in 7z cabextract unzip xz ; do
    if command -v $i &> /dev/null ; then
        [[ $# -eq 0 ]] && echo "${i^} is installed."
    else
        errorList+=("Critical: ${i^} is not installed. You will not be able to install some games or their components.")
    fi
    packageList+=("$i")
done
if command -v gawk &> /dev/null ; then
    [[ $# -eq 0 ]] && echo "Gawk is installed."
else
    errorList+=("Warning: gawk is not installed. Game removal with -r will not work.")
fi
packageList+=("gawk")
if command -v ocrdesktop &> /dev/null ; then
    [[ $# -eq 0 ]] && echo "Ocrdesktop is installed."
else
    errorList+=("Warning: ocrdesktop is not installed. It can help if the installer gets stuck to figure out what is happening.")
fi
packageList+=("ocrdesktop")
if command -v qjoypad &> /dev/null ; then
    [[ $# -eq 0 ]] && echo "Qjoypad is installed."
else
    errorList+=("Warning: qjoypad is not installed. Qjoypad allows you to play keyboard only games with a gamepad.")
fi
packageList+=("qjoypad")
if command -v sox &> /dev/null ; then
    [[ $# -eq 0 ]] && echo "Sox is installed."
else
    errorList+=("Warning: Sox is not installed. Audio will not work.")
fi
packageList+=("sox")
if command -v trans &> /dev/null ; then
    [[ $# -eq 0 ]] && echo "Translate-shell is installed."
else
    errorList+=("Warning: translate-shell is not installed. Games that require translation will not be translated.")
fi
packageList+=("translate-shell")
if command -v sqlite3 &> /dev/null ; then
    [[ $# -eq 0 ]] && echo "Sqlite3 is installed."
else
    errorList+=("Warning: sqlite is not installed. Required for games that need to be translated.")
fi
if command -v perl &> /dev/null ; then
    [[ $# -eq 0 ]] && echo "Perl is installed."
else
    errorList+=("Warning: perl is not installed. Required for games that need to be translated.")
fi
packageList+=("perl")
packageList+=("sqlite")
if command -v w3m &> /dev/null ; then
    [[ $# -eq 0 ]] && echo "W3m is installed."
else
    errorList+=("Warning: w3m is not installed. W3m is used to view game documentation.")
fi
packageList+=("w3m")
if command -v xclip &> /dev/null ; then
    [[ $# -eq 0 ]] && echo "Xclip is installed."
else
    errorList+=("Warning: Xclip is not installed. Some games may not speak or register properly.")
fi
packageList+=("xclip")
if command -v xdotool &> /dev/null ; then
    [[ $# -eq 0 ]] && echo "Xdotool is installed."
else
    errorList+=("Warning: Xdotool is not installed. Some installers may not work or may need manual intervention.")
fi
packageList+=("xdotool")
# Show the results
if [[ $# -ne 0 ]]; then
    for i in "${packageList[@]}" ; do
        echo "$i"
    done | sort
    exit 0
fi
if [[ ${#errorList[@]} -eq 0 ]]; then
    echo "No problems found, you are good to go."
    exit 0
fi
echo "Errors detected, here is a list along with the severity."
echo "Note that errors marked critical mean that you will not be able to install and play games until they are resolved."
for i in "${errorList[@]}" ; do
    echo "$i"
done
exit 0