package config

import (
	"log"
	"os"
	"strings"

	"github.com/joho/godotenv"
)

type Config struct {
	DBHost     string
	DBPort     string
	DBUser     string
	DBPassword string
	DBName     string
	DBSSLMode  string
	Topics     []string
	LogDebug   bool
}

func Load() *Config {
	_ = godotenv.Load()

	return &Config{
		DBHost:     getEnv("DB_HOST", "localhost"),
		DBPort:     getEnv("DB_PORT", "5432"),
		DBUser:     getEnv("DB_USER", "postgres"),
		DBPassword: getEnv("DB_PASSWORD", "postgres"),
		DBName:     getEnv("DB_NAME", "middleware"),
		DBSSLMode:  getEnv("DB_SSLMODE", "disable"),
		Topics:     strings.Split(getEnv("WATERMILL_TOPICS", "example_topic"), ","),
		LogDebug:   getEnv("LOG_DEBUG", "false") == "true",
	}
}

func getEnv(key, def string) string {
	if val, ok := os.LookupEnv(key); ok {
		return val
	}
	return def
}

func Must(err error) {
	if err != nil {
		log.Fatalf("❌ %v", err)
	}
}