package utils

import (
	"os"
	"strconv"
	"time"
)

// GetEnv gets environment variable with fallback
func GetEnv(key, fallback string) string {
	if value, exists := os.LookupEnv(key); exists {
		return value
	}
	return fallback
}

// GetEnvInt gets environment variable as integer with fallback
func GetEnvInt(key string, fallback int) int {
	if value, exists := os.LookupEnv(key); exists {
		if intVal, err := strconv.Atoi(value); err == nil {
			return intVal
		}
	}
	return fallback
}

// GetEnvBool gets environment variable as boolean with fallback
func GetEnvBool(key string, fallback bool) bool {
	if value, exists := os.LookupEnv(key); exists {
		if boolVal, err := strconv.ParseBool(value); err == nil {
			return boolVal
		}
	}
	return fallback
}

// GetEnvDuration gets environment variable as time.Duration with fallback
func GetEnvDuration(key string, fallback time.Duration) time.Duration {
	if value, exists := os.LookupEnv(key); exists {
		if intVal, err := strconv.Atoi(value); err == nil {
			return time.Duration(intVal) * time.Second
		}
	}
	return fallback
}