package main

import (
	"bytes"
	"errors"
	"io"
	"log"
	"os"

	"hakurei.app/command"
)

func main() {
	log.SetFlags(0)
	log.SetPrefix("irdump: ")

	var (
		flagOutput string
		flagReal   bool
	)
	c := command.New(os.Stderr, log.Printf, "irdump", func(args []string) (err error) {
		var input *os.File
		if len(args) < 1 {
			return errors.New("irdump requires 1 argument")
		}
		if input, err = os.Open(args[0]); err != nil {
			return
		}
		defer input.Close()

		var output *os.File
		if flagOutput == "" {
			output = os.Stdout
		} else {
			defer output.Close()
			if output, err = os.Create(flagOutput); err != nil {
				return
			}
		}

		inputData := bytes.NewBuffer(nil)
		if _, err = io.Copy(inputData, input); err != nil {
			return
		}
		var out string
		if out, err = Disassemble(inputData.Bytes(), flagReal); err != nil {
			return
		}
		if _, err = output.WriteString(out); err != nil {
			return
		}
		return
	}).Flag(
		&flagOutput,
		"o", command.StringFlag(""),
		"Output file for asm (leave empty for stdout)",
	).Flag(
		&flagReal,
		"r", command.BoolFlag(false),
		"skip label generation; idents print real value")

	c.MustParse(os.Args[1:], func(err error) {
		log.Fatal(err)
	})
}
func Disassemble(ir []byte, real bool) (string, error) {
	return "hello world", nil
}