package config

import (
	"os"
	"strconv"
)

type Config struct {
	DBHost     string
	DBPort     int
	DBUser     string
	DBPassword string
	DBName     string

	JWTSecret          string
	JWTExpirationHours int
	RefreshExpDays     int
}

func Load() *Config {
	return &Config{
		DBHost:             getEnv("DB_HOST", "localhost"),
		DBPort:             getEnvAsInt("DB_PORT", 5432),
		DBUser:             getEnv("DB_USER", "econ_user"),
		DBPassword:         getEnv("DB_PASSWORD", "econ_pass"),
		DBName:             getEnv("DB_NAME", "econ_db"),
		JWTSecret:          getEnv("JWT_SECRET", "your-secret-key-change-in-production"),
		JWTExpirationHours: 15 * 60, // 15 minutes in minutes (900 minutes = 15 hours)
		RefreshExpDays:     7,
	}
}

func getEnv(key, defaultValue string) string {
	if value, exists := os.LookupEnv(key); exists {
		return value
	}
	return defaultValue
}

func getEnvAsInt(key string, defaultValue int) int {
	if value, exists := os.LookupEnv(key); exists {
		if intValue, err := strconv.Atoi(value); err == nil {
			return intValue
		}
	}
	return defaultValue
}