#!/bin/bash

# Number of spaces to indent
SPACES=110
SPACER="$(printf '%*s' "$SPACES" '')"

# 1. Set prompt (PS1) for current session
export PS1="${SPACER}\u@\h:\w\$ "

# 2. Define indent() function for on-demand use
indent() {
    "$@" | sed "s/^/${SPACER}/"
}

# 3. Setup output redirection using FIFO and trap
FIFO="/tmp/ttyshift.$$"
exec 3>&1  # Save original stdout

# Clean up on exit
cleanup() {
    exec 1>&3
    rm -f "$FIFO"
}
trap cleanup EXIT

# Create FIFO and hook stdout through sed
mkfifo "$FIFO"
sed "s/^/${SPACER}/" < "$FIFO" >&3 &
exec 1> "$FIFO"

echo
echo "${SPACER}✅ TTY right shift active (in-memory only)"
echo "${SPACER}Type 'exit' or press Ctrl+D to quit and restore normal output"
echo

# Launch interactive shell with shifted output
bash --norc