import type { CollectionConfig } from "payload";

/**
 * Factory for an upload-enabled media collection. We keep separate media
 * collections per R2 bucket (conferences vs activities) because a single
 * collection can only be bound to one bucket by the S3 storage plugin.
 */
export function makeMediaCollection(
  slug: string,
  labelSingular: string,
  labelPlural: string,
): CollectionConfig {
  return {
    slug,
    labels: { singular: labelSingular, plural: labelPlural },
    access: {
      read: () => true,
    },
    fields: [
      { name: "alt", type: "text", localized: true },
      { name: "caption", type: "text", localized: true },
    ],
    upload: true,
  };
}

/** General-purpose media (Pages/Posts, etc.). Default storage. */
export const Media = makeMediaCollection("media", "Media", "Media");

/** Conference thumbnails/files → the conferences R2 bucket. */
export const ConferenceMedia = makeMediaCollection(
  "conferenceMedia",
  "Conference media",
  "Conference media",
);

/** Activity thumbnails/files → the activities R2 bucket. */
export const ActivityMedia = makeMediaCollection(
  "activityMedia",
  "Activity media",
  "Activity media",
);