#!/bin/bash -eu

cd "$(dirname "$0")" || exit 1
#CWD=$(pwd)

STATE_HOME=${XDG_STATE_HOME:-$HOME/.local/state}

STATEDIR=${STATEDIR:-$STATE_HOME/sb4xng/49g}
mkdir -p "$STATEDIR"

if [ ! -e "$STATEDIR"/rom ]; then
    if [ ! -d ../share/sb4xng/ROMs/ ]; then
        echo "Error: No ROMs/ dir found"
        exit 1
    fi
    if [ ! -d "$STATEDIR"/../ROMs ]; then
        cp -R ../share/sb4xng/ROMs/ "$STATEDIR"/../ROMs
    fi
    make -C "$STATEDIR"/../ROMs rom.49g
    cp "$STATEDIR"/../ROMs/rom.49g "$STATEDIR"/rom
fi

RESET=''
if [ ! -e "$STATEDIR"/ram ]; then
    RESET=-reset
fi

sb4xng --49g --state-dir "$STATEDIR" "$RESET" "$@"