export interface BaseSanityDoc {
  _type: string
  _id: string
  _rev: string
  _createdAt: string
  _updatedAt: string
}

export interface GenericSanityDoc extends BaseSanityDoc {
  [key: string]: any
}

export interface DocumentView<DocumentSchema = GenericSanityDoc> {
  documentId: string
  document: {
    displayed: DocumentSchema
    draft: DocumentSchema
    historical: DocumentSchema | null
    published: DocumentSchema | null
  }
  // there are some other properties such as options and schemaType, which we can define here once we need them
}

export interface SanityImage {
  _type?: string
  asset?: {
    _ref?: string
    _type?: string
  }
  crop?: {
    _type: string
    bottom: number
    left: number
    right: number
    top: number
  }
  hotspot?: {
    _type: string
    height: number
    width: number
    x: number
    y: number
  }
}

export interface BasePreviewProps {
  title: string
  url: string
  description?: string
  /**
   * Pass an image object for images hosted in Sanity;
   * or a full URL for external images
   */
  image?: SanityImage | string
}

export type PrepareFunction = (doc: GenericSanityDoc) => BasePreviewProps | undefined

export interface SocialPreviewProps {
  /**
   * Function to determine how the SEO/social title, description, url and image are extracted from the document.
   *
   * Takes the current Sanity document and returns an object with BasePreviewProps.
   * 
   * @example
   * ({ title, seo, body }) => ({
        title: seo.title || title,
        description: seo.description || toPlainText(body || []),
        siteUrl: 'https://example.com',
        image: seo.ogImage,
      })
   */
  prepareData?: PrepareFunction
  google?: PrepareFunction | false
  twitter?: PrepareFunction | false
  linkedin?: PrepareFunction | false
  facebook?: PrepareFunction | false
}

export type Network = 'google' | 'twitter' | 'linkedin' | 'facebook'