package main

import (
	"fmt"
	"io/ioutil"

	"gopkg.in/yaml.v2"
)

type Config struct {
	ApplicationName   string `yaml:"application_name"`
	ApplicationPrefix string `yaml:"application_prefix"`
	DataDirectory     string `yaml:"data_directory"`
	ListenAddress     string `yaml:"listen_address"`
	AdminUser         string `yaml:"admin_user"`
	AdminPassword     string `yaml:"admin_password"`
	Generation        int    `yaml:"generation"`
}

func (c *Config) ParseFile(path string) (err error) {
	configRaw, err := ioutil.ReadFile(path)
	if err != nil {
		err = fmt.Errorf("can't load configuration: %s", err.Error())
		return
	}
	err = yaml.UnmarshalStrict(configRaw, c)
	if err != nil {
		err = fmt.Errorf("can't parse configuration: %s", err.Error())
		return
	}
	return
}

func NewConfig() *Config {
	return &Config{}
}

func NewConfigParseFile(path string) (c *Config, err error) {
	c = NewConfig()
	err = c.ParseFile(path)
	return
}