package main

import (
	"flag"
	"log/slog"

	"git.algo.com.cn/public/bloomtool/internal/bloom"
)

func RunInfo(args ...string) error {
	fs := flag.NewFlagSet("info", flag.ExitOnError)

	bmpFile := fs.String("b", "", "bitmap filename")

	if err := fs.Parse(args); err != nil {
		return err
	} else if fs.NArg() > 0 || *bmpFile == "" {
		fs.Usage()
		return nil
	}

	return info(*bmpFile)
}

func info(bmpFile string) error {

	slog.Info("load bitmap file", "filename", bmpFile)
	bfile, err := bloom.LoadFromFile(bmpFile, true)
	if err != nil {
		slog.Error("open bitmap file error", "err", err)
		return err
	}

	stat := bfile.GetStat()
	slog.Info("bitmap info", "stat", stat)

	return nil
}