#!/bin/sh

die()
{
   echo "Error: $1"
   exit 1
}

if [ -z "$1" ]; then
   die "Need at least one argument"
fi

COMP_FILE="$1"
TMPROM="`mktemp`"
shift

extract_zip()
{
   ZIP_LOC="`which unzip`"
   ZIPINFO_LOC="`which zipinfo`"
   if [ -z "$ZIP_LOC" ]; then
      die "Cannot find location of unzip"
   fi
   if [ -z "$ZIPINFO_LOC" ]; then
      die "Cannot find location of zipinfo"
   fi

   FILENAME="`$ZIPINFO_LOC -1 \"$1\" | grep '\.s[mf]c$' | head -n1`"
   if [ -z "$FILENAME" ]; then
      die "Cannot find .smc nor .sfc file in archive"
   fi

   $ZIP_LOC -p "$1" "$FILENAME" > "$2"
}

case "$COMP_FILE" in
   *.zip )
      extract_zip "$COMP_FILE" "$TMPROM"
      EXTENSION=".zip"
      ;;
   * )
      die "Couldn't find valid zipped rom."
      ;;
esac

SAVENAME="`basename \"$COMP_FILE\" $EXTENSION`"
DIRNAME="`dirname \"$COMP_FILE\"`"
SAVENAME="${SAVENAME}.srm"
echo "Savename: ${DIRNAME}/${SAVENAME}"

SSNES_PATH="`which ssnes`"
if [ -z "$SSNES_PATH" ]; then
   die "Cannot find SSNES in path."
fi

"$SSNES_PATH" "$TMPROM" -s "${DIRNAME}/${SAVENAME}" "$@"
rm -f "$TMPROM"