package main

import (
	"encoding/json"
	"log"
	"os"
	"path/filepath"
	"time"
)

func writemeta(filename string, expiry int64) error {

        f, _ := os.Open(filename)
        stat, _ := f.Stat()
        size := stat.Size()
        f.Close()

        if expiry < 0 {
                expiry = conf.expiry
        }

        meta := metadata{
                Filename: filepath.Base(filename),
                Size:     size,
                Expiry:   time.Now().Unix() + expiry,
        }

        if verbose {
                log.Printf("Saving metadata for %s in %s", meta.Filename, conf.metapath+"/"+meta.Filename+".json")
        }

        f, err := os.Create(conf.metapath + "/" + meta.Filename + ".json")
        if err != nil {
                return err
        }
        defer f.Close()

        j, err := json.Marshal(meta)
        if err != nil {
                return err
        }

	_, err = f.Write(j)

	return err
}