package config

import "os"

type Config struct {
	Port       string
	Env        string
	DataDir    string
	IoTSvcURL  string
}

func Load() *Config {
	cfg := &Config{
		Port:      "8094",
		Env:       "development",
		DataDir:   "./data",
		IoTSvcURL: "http://localhost:8093",
	}
	if v := os.Getenv("PORT"); v != "" {
		cfg.Port = v
	}
	if v := os.Getenv("ENV"); v != "" {
		cfg.Env = v
	}
	if v := os.Getenv("DATA_DIR"); v != "" {
		cfg.DataDir = v
	}
	if v := os.Getenv("IOT_SERVICE_URL"); v != "" {
		cfg.IoTSvcURL = v
	}
	return cfg
}