package megauploader

import (
	"io/ioutil"
	"os"

	"github.com/pkg/errors"

	yaml "gopkg.in/yaml.v2"
)

// ParseConfFile will read and load a config file
func ParseConfFile(filename string) (Config, error) {
	buf, err := os.Open(filename)
	if err != nil {
		return Config{}, errors.Wrap(err, "Error opening config file")
	}
	defer buf.Close()
	content, err := ioutil.ReadAll(buf)
	if err != nil {
		return Config{}, errors.Wrap(err, "Error reading config file")
	}
	return ParseConf(content)
}

// ParseConf will parse configuration content
func ParseConf(content []byte) (Config, error) {
	var c Config
	err := yaml.UnmarshalStrict(content, &c)
	if err != nil {
		return c, err
	}
	if c.UserHome == nil {
		c.UserHome = new(UserHome)
	}
	return c, nil
}