#!/bin/bash
function help_message() {
    echo "$USAGE"
    echo
    echo "Where [SYSTEMS] are:"
    for WORD in $SYSTEMS; do
        echo -e "\t$WORD"
    done
}

readonly USAGE="
USAGE:
$(basename "$0") [ROM_FOLDER] [THUMBNAILS_FOLDER]"

readonly SYSTEMS="atari2600 atari7800 atarilynx coleco dreamcast fds gamegear gb gba gbc mastersystem megadrive msx n64 nds nes ngp ngpc pcengine psp psx saturn sega32x segacd snes virtualboy wonderswan wonderswancolor"

# check if there are all the parameters
if [ "$#" -ne 2 ]; then
    help_message
    exit 0
fi

if ! test -d "${ROM_FOLDER}"/"${SYSTEM}"; then
    echo "${ROM_FOLDER}"/"${SYSTEM}" does not exists
    exit 0
fi

#readonly SCRIPT_DIR="$(cd "$(dirname "$0")" && pwd)"
readonly ROM_FOLDER="$1"
readonly THUMBNAILS_FOLDER="$2"
readonly SCRIPT_DIR="$(cd "$(dirname "$0")" && pwd)"
readonly SYSTEMS="atari2600 atari7800 atarilynx coleco dreamcast fds gamegear gb gba gbc mastersystem megadrive msx n64 nds nes ngp ngpc pcengine psp psx saturn sega32x segacd sg-1000 snes virtualboy wonderswan wonderswancolor"

for SYSTEM in $SYSTEMS; do
    "${SCRIPT_DIR}"/create_retroarch_thumbnails.sh "${SYSTEM}" "${ROM_FOLDER}" "${THUMBNAILS_FOLDER}"
done