#!/bin/bash
#
## Wizard Kit: ddrescue TUI Launcher

SESSION_NAME="ddrescue-tui"
WINDOW_NAME="ddrescue TUI"
MENU="ddrescue-tui-menu"

function ask() {
    while :; do
        read -p "$1 " -r answer
        if echo "$answer" | egrep -iq '^(y|yes|sure)$'; then
            return 0
        elif echo "$answer" | egrep -iq '^(n|no|nope)$'; then
            return 1
        fi
    done
}

die () {
    echo "$0:" "$@" >&2
    exit 1
}

# Check for running session
if tmux list-session | grep -q "$SESSION_NAME"; then
    echo "WARNING: tmux session $SESSION_NAME already exists."
    echo ""
    if ask "Kill current session?"; then
        tmux kill-session -t "$SESSION_NAME" || \
            die "Failed to kill session: $SESSION_NAME"
    else
        echo "Aborted."
        echo ""
        echo -n "Press Enter to exit... "
        read -r
        exit 0
    fi
fi

# Start session
tmux new-session -s "$SESSION_NAME" -n "$WINDOW_NAME" "$MENU" $*