import { ExecOptions } from 'node:child_process'
import path from 'path'

export function getDirPath(id: string) {
  return `/tmp/pdfer-${id}`
}

export function getDocPath(id: string) {
  return path.join(getDirPath(id), 'doc.tex')
}

export function getPdfPath(id: string) {
  return path.join(getDirPath(id), 'doc.pdf')
}

export function getTexCmd(id: string): { cmd: string; options: ExecOptions } {
  return {
    cmd: `pdflatex -interaction nonstopmode ${getDocPath(id)}`,
    options: {
      cwd: getDirPath(id),
      env: {
        ...process.env,
        TEXMFHOME: path.join(process.cwd(), 'texmf'),
      }
    },
  }
}