admin/lib/seo/publicPageMetadata.ts

import type { Metadata } from 'next'

import { buildCanonicalUrl, resolveOgImage } from '@/lib/seo/metadata'

export function buildPublicPageMetadata({
  path,
  metaTitle,
  metaDescription,
  ogImage,
}: {
  path: string
  metaTitle: string
  metaDescription: string
  ogImage?: string
}): Metadata {
  const canonical = path.startsWith('/') ? path : `/${path}`
  const url = buildCanonicalUrl(canonical)
  const image = ogImage?.startsWith('http') ? ogImage : ogImage ? buildCanonicalUrl(ogImage) : resolveOgImage()

  return {
    title: metaTitle,
    description: metaDescription,
    alternates: { canonical },
    openGraph: {
      type: 'website',
      title: metaTitle,
      description: metaDescription,
      url,
      locale: 'fa_IR',
      images: [{ url: image, alt: metaTitle }],
    },
    twitter: {
      card: 'summary_large_image',
      title: metaTitle,
      description: metaDescription,
      images: [image],
    },
  }
}