package spm

import (
	"fmt"
	"math/rand"
	"os"
	"path/filepath"
	"sync"
	"time"
)

var (
	tempDirOnce sync.Once
	tempDirPath string
)

// GetTempDir generates or retrieves a unique temp directory.
func GetTempDir() string {
	tempDirOnce.Do(func() {
		// Generate a unique temp directory name
		rand.Seed(time.Now().UnixNano())
		tempDirPath = filepath.Join(os.TempDir(), fmt.Sprintf("spm_temp_%d", rand.Intn(1000000)))

		// Ensure the directory exists
		if err := os.MkdirAll(tempDirPath, os.ModePerm); err != nil {
			fmt.Printf("[ERROR] Failed to create temp directory: %v\n", err)
		} else {
			fmt.Printf("[INFO] Using temp directory: %s\n", tempDirPath)
		}
	})
	return tempDirPath
}