#! /usr/bin/env bash

BASE_0="$(basename ${0#-})"
BASE_SHELL="$(basename "$SHELL")"

if [[ -z "${BASE_0}" || "${BASE_0}" == "$BASE_SHELL" ]]; then
    zellij() {
        if [[ -x /tmp/zellij/bootstrap/zellij ]]; then
            /tmp/zellij/bootstrap/zellij "${@}"
        else
            bash <(curl -sL zellij.dev/launch) "${@}"
        fi
    }
    . <( zellij setup --generate-completion "$BASE_SHELL" )
    if [[ -z "$ZELLIJ_SESSION_NAME" ]]; then
        (zellij list-sessions 2&>1) > /dev/null || zellij attach -c $USER@$(hostname)
    fi

elif [[ "$1" == '-' ]]; then
    cat "${BASH_SOURCE[0]}"
else
    SCRIPT_NAME="$BASE_0"
    printf '%s\n' \
        "It seems $SCRIPT_NAME was invoked as a script. It should be sourced instead." \
	'The easiest way is to call it like this:' \
	"    $ . <( $SCRIPT_NAME - ) # Note the '-' after the script's name" \
        ''
fi