package config

import (
  "flag"
  "log"
  "github.com/BurntSushi/toml"
)

type config struct {
  Test int
  ConfigPath string
}

var Settings config

func parseFlags(c *config) {
  flag.StringVar(&c.ConfigPath, "config", ".ozai.toml",  ".ozai.toml to load")
  flag.Parse()
}

func Load() {
  parseFlags(&Settings)

  metadata, err := toml.DecodeFile(Settings.ConfigPath, &Settings)

  if err != nil {
    log.Fatalf("error loading config.toml: %v", err)
  }

  bad_keys := metadata.Undecoded()

  if len(bad_keys) > 0 {
    log.Fatalf("unknown configuration keys: %v", bad_keys);
  }
}