package internal

import (
	"errors"
	"fmt"
	"time"

	"github.com/jinzhu/configor"
)

type Config = struct {
	LogLevel       string `default:"Info" env:"METALLB_IP_FLOATER_LOGLEVEL"`
	LabelSelector  string `default:"kops.k8s.io/instance-role=Node" env:"METALLB_IP_FLOATER_LABELSELECTOR"`
	Protocol       string `default:"http" env:"METALLB_IP_FLOATER_PROTOCOL"`
	HcloudToken    string `default:"" env:"METALLB_IP_FLOATER_HCLOUD_TOKEN"`
	FloatingIPName string `default:"" env:"METALLB_IP_FLOATER_FLOATING_IP_NAME"`
	DryRun         bool   `default:"false" env:"METALLB_IP_FLOATER_DRY_RUN"`
}

func GenConfig() (cfg *Config, err error) {

	cfg = &Config{}

	err = configor.New(&configor.Config{
		ENVPrefix:          "METALLB_IP_FLOATER",
		AutoReload:         true,
		Silent:             true,
		AutoReloadInterval: time.Minute}).Load(cfg, "config.json")
	if err != nil {
		return nil, errors.New(fmt.Sprintf("Error generating Config: %s", err.Error()))
	}
	return cfg, nil

}