/**
 * PDF Download Composable
 * Handles PDF generation with preview in new tab
 */

export function useResumePdf() {
  const isGenerating = ref(false)
  const { getPdfFilename } = useResumeData()

  // Open PDF in new tab for preview (user can download from there)
  async function openPdf() {
    if (isGenerating.value) return

    isGenerating.value = true

    try {
      const filename = getPdfFilename()
      // Opens PDF in browser's built-in viewer
      window.open(`/api/resume/pdf?filename=${encodeURIComponent(filename)}`, '_blank')

      await new Promise((resolve) => setTimeout(resolve, 1500))
    } finally {
      isGenerating.value = false
    }
  }

  // Force download PDF directly
  async function downloadPdf() {
    if (isGenerating.value) return

    isGenerating.value = true

    try {
      const filename = getPdfFilename()
      // download=true forces attachment header
      window.open(`/api/resume/pdf?filename=${encodeURIComponent(filename)}&download=true`, '_blank')

      await new Promise((resolve) => setTimeout(resolve, 1500))
    } finally {
      isGenerating.value = false
    }
  }

  return {
    isGenerating,
    openPdf,
    downloadPdf,
  }
}