#!/bin/sh

# ***************************************************************************************
#     Mech-Mind Robotics Technologies Inc. Copyright (c) 2016-2025
# ***************************************************************************************

DisplayHelp() {
    echo ""
    echo "NAME"
    echo "    install_libraries.sh - Installs or removes the libraries from the path."
    echo ""
    echo "SYNOPSIS"
    echo "    install_libraries.sh [ --install ][ --uninstall ][ --help ]"
    echo ""
    echo "DESCRIPTION"
    echo "    This script is used to add the libraries to the ldconfig application."
    echo ""
    echo ""
    echo "COPYRIGHT"
    echo "    Mech-Mind Robotics Technologies Inc. Copyright (c) 2016-2022"
    echo ""
    echo "VERSION"
    echo "    1.5.0"
    echo ""
}

Install() {
    if [ -f "/etc/ld.so.conf.d/mech-eye-sdk.conf" ]; then
        echo "Removing /etc/ld.so.conf.d/mech-eye-sdk.conf."
        rm -f /etc/ld.so.conf.d/mech-eye-sdk.conf
    fi

    if [ ! -d "/etc/ld.so.conf.d" ]; then
        echo "Create /etc/ld.so.conf.d folder."
        mkdir /etc/ld.so.conf.d
    fi

    echo "Creating /etc/ld.so.conf.d/mech-eye-sdk.conf."

    SCRIPT_DIR=$(readlink -f $0)
    SDK_BIN_DIR=$(dirname $SCRIPT_DIR)
    SDK_DIR=$(
        cd $SDK_BIN_DIR/..
        pwd
    )
    SDK_LIB_DIR="$SDK_DIR/lib"

    >/etc/ld.so.conf.d/mech-eye-sdk.conf
    cat >/etc/ld.so.conf.d/mech-eye-sdk.conf <<__END__
$SDK_LIB_DIR
__END__

    echo "Reloading library path."
    /sbin/ldconfig
}

Uninstall() {
    if [ -f "/etc/ld.so.conf.d/mech-eye-sdk.conf" ]; then
        echo "Removing /etc/ld.so.conf.d/mech-eye-sdk.conf."
        rm -f /etc/ld.so.conf.d/mech-eye-sdk.conf

        echo "Reloading library path."
        /sbin/ldconfig
    fi
}

ACTION=""

# Parse the input arguments
for i in $*; do
    case $i in
    --install)
        ACTION="INSTALL"
        ;;
    --uninstall)
        ACTION="UNINSTALL"
        ;;
    --help)
        DisplayHelp
        exit 0
        ;;
    *)
        # unknown option
        DisplayHelp
        exit 1
        ;;
    esac
done

# Default variables
USER_ID=$(id -u)

# Check required priviledge
if [ "$USER_ID" != "0" ]; then
    echo "You need to run this script as superuser (root account)."
    exit 1
fi

if [ -z "$ACTION" ]; then
    echo ""
    echo "The following operations can be performed by this script:"
    echo ""
    echo "0 - Add libraries to the path."
    echo "1 - Remove libraries from the path."
    echo ""
    ANSWER="not set"
    until [ "$ANSWER" = "0" -o "$ANSWER" = "1" ]; do
        echo -n "Enter your selection [0|1]. Default is 0. "
        read ANSWER
        if [ -z "$ANSWER" ]; then
            ANSWER="0"
        fi
    done

    # Convert the selection into usable variables
    if [ "$ANSWER" = "0" ]; then
        ACTION="INSTALL"
    elif [ "$ANSWER" = "1" ]; then
        ACTION="UNINSTALL"
    fi
fi

# Now we can install if this was the action to perform
if [ "$ACTION" = "INSTALL" ]; then
    Install
elif [ "$ACTION" = "UNINSTALL" ]; then
    Uninstall
fi