#!/bin/bash


load_session() {

    if [ "$UID" -gt "59000" ]; then
	# Guest user 59999 and alumnat user 69999 must be ignored 
	exit 0
    fi
	
    # currently we are not supporting other desktop environments
    if [ "$XDG_CURRENT_DESKTOP" = "KDE" ]; then
        if [ "$UID" -gt 1041 ]; then
            RC=0
            RET=$(n4d-client -a https://server:9779  call Golem.is_frozen_user "['$USER']" 2>/dev/null || echo False)
            
            # Fallback in case function is not supported. It should be, but still...
            RET=$( echo $RET | grep FUNCTION 1>/dev/null && echo False || echo $RET )
            
            # If not False (ie True), user is frozen
            echo $RET | grep False 1>/dev/null || RC=1
            
            eval $(n4d-vars getvalues SRV_LITE_MODE SRV_MOVING_MODE)
            
            OVERRIDE_FILE="/etc/classroom-servermode-override"
            
            if [ -e "$OVERRIDE_FILE" ]; then
                eval $(cat $OVERRIDE_FILE)
            fi
            
            RUN=0
	    if [ "$SRV_LITE_MODE" = "True" ]; then
                if [ "$SRV_MOVING_MODE" = "False" ]; then
                    RUN=1
                fi
            fi
            
            if [ $RUN -eq 0 ]; then
                #perform session load
                llx-moving-cmd load || true
                #create session lock
                touch $XDG_RUNTIME_DIR/llx-moving-$XDG_SESSION_ID
                if [ $RC -eq 1 ]; then
                    rm -rf ~/.config/plasma*
                    rm -rf ~/.config/kwin*
                    #ToDo: add more setup files
                fi
            fi
        fi
    fi
}

save_session() {
    if [ -e $XDG_RUNTIME_DIR/llx-moving-$XDG_SESSION_ID ]; then
        
        #perform session save
        llx-moving-cmd save || true
        #remove lock
        rm -f $XDG_RUNTIME_DIR/llx-moving-$XDG_SESSION_ID
    fi
}

case $1 in
    
    load)
        load_session
    ;;
    
    save)
        save_session
    ;;
    
    *)
        echo "Unknown option"
    ;;
esac