#!/bin/bash

asksetting() {
    options="max
mainLeft
mainCenter
mainRight
MainMainVStack
MainVStackMain
VerticalTileTop
VerticalTileBottom
NestedRight
SmartNestedRight"

    echo ">>h Switch to a Workspace
$options" | instamenu -c -l 10 -w -400 -i -h -1 -bw 4 -q "${1:-Search...}"
}

while [ -n "$1" ]; do
    case $1 in
        "mainCenter")
            echo "mainCenter" | i3-instant-layout - && exit 1
        ;;
        *) 
            echo "Program terminated." && exit 1
        ;;
    esac
done

LOOPSETTING="true"
while [ -n "$LOOPSETTING" ]; do
    CHOICE="$(asksetting)"
    [ -n "$CHOICE" ] || exit
    unset LOOPSETTING
    case "$CHOICE" in
        $CHOICE)
            echo "$CHOICE" | i3-instant-layout - && exit 1
        ;;
        *)
            echo "Program terminated." && exit 1
        ;;
    esac
done