package main

import (
	"fmt"
	"os"
	//"encoding/binary"
	//"bufio"
	//"bytes"
	//"io"
	"path/filepath"

	"github.com/alexflint/go-arg"

	"git.zorchenhimer.com/go-fds"
)

type Arguments struct {
	Input string `arg:"positional,required"`
}


func main() {
	args := &Arguments{}
	arg.MustParse(args)

	err := run(args)
	if err != nil {
		fmt.Fprintln(os.Stderr, err)
		os.Exit(1)
	}
}

func run(args *Arguments) error {
	file, err := os.Open(args.Input)
	if err != nil {
		return err
	}
	defer file.Close()

	blocks, err := fds.ReadRom(file, filepath.Ext(args.Input) == ".fds")
	if err != nil {
		return err
	}

	rom, err := fds.RomFromBlocks(filepath.Base(args.Input), blocks)
	if err != nil {
		return err
	}

	fmt.Println(rom.Info())

	return nil
}