package utils

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

// GetEnv retrieves environment variable with fallback
func GetEnv(key, defaultValue string) string {
	if value := os.Getenv(key); value != "" {
		return value
	}
	return defaultValue
}

// GetEnvAsInt retrieves environment variable as integer with fallback
func GetEnvAsInt(key string, defaultValue int) int {
	valueStr := GetEnv(key, "")
	if value, err := strconv.Atoi(valueStr); err == nil {
		return value
	}
	return defaultValue
}

// GetEnvAsBool retrieves environment variable as boolean with fallback
func GetEnvAsBool(key string, defaultValue bool) bool {
	valueStr := GetEnv(key, "")
	if value, err := strconv.ParseBool(valueStr); err == nil {
		return value
	}
	return defaultValue
}

// GetEnvAsDuration retrieves environment variable as duration with fallback
func GetEnvAsDuration(key string, defaultValue time.Duration) time.Duration {
	valueStr := GetEnv(key, "")
	if value, err := time.ParseDuration(valueStr); err == nil {
		return value
	}
	return defaultValue
}