package config

import "os"

type Config struct {
	HTTPAddr     string
	WSAddr       string
	MQTTHost     string
	MQTTUser     string
	MQTTPass     string
	MQTTClientID string
	KafkaURL     string
	DBHost       string
	DBUser       string
	DBPass       string
	DBName       string
	HTTPClientID string
	ClientSecret string
	HTTPUsername string
	HTTPPassword string
	HTTPAudience string
}

// getEnv returns env var value or a default if not set.
func getEnv(key, def string) string {
	if v := os.Getenv(key); v != "" {
		return v
	}
	return def
}

func Load() *Config {
	return &Config{
		HTTPAddr:     getEnv("HTTP_HOST_PATH", "0.0.0.0:1902"),
		WSAddr:       getEnv("HTTPWS_HOST_PATH", "0.0.0.0:8088"),
		MQTTHost:     getEnv("MQTT_HOST", "192.168.1.101"),
		MQTTUser:     getEnv("MQTT_USERNAME", "user"),
		MQTTPass:     getEnv("MQTT_PASSWORD", "pass"),
		MQTTClientID: getEnv("MQTT_CLIENT_ID", "presence-detector"),
		KafkaURL:     getEnv("KAFKA_URL", "127.0.0.1:9092"),
		DBHost:       getEnv("DBHost", "127.0.0.1"),
		DBUser:       getEnv("DBUser", "postgres"),
		DBPass:       getEnv("DBPass", "postgres"),
		DBName:       getEnv("DBName", "go_crud_db"),
		HTTPClientID: getEnv("HTTPClientID", "Fastapi"),
		ClientSecret: getEnv("ClientSecret", "wojuoB7Z5xhlPFrF2lIxJSSdVHCApEgC"),
		HTTPUsername: getEnv("HTTPUsername", "core"),
		HTTPPassword: getEnv("HTTPPassword", "C0r3_us3r_Cr3d3nt14ls"),
		HTTPAudience: getEnv("HTTPAudience", "Fastapi"),
	}
}