import { existsSync, mkdirSync } from 'fs'
import path from 'path'
import { PATHS } from '../config/paths.js'

let tempDir: string | null = null

export const getTempDir = (): string => {
  if (!tempDir) {
    tempDir = PATHS.TEMP_ROOT
    if (!existsSync(tempDir)) {
      mkdirSync(tempDir, { recursive: true })
    }
  }
  return tempDir
}

export const getTempFilePath = (filename: string): string => {
  return path.join(getTempDir(), filename)
}

export const ensureTempDir = (): string => {
  return getTempDir()
}