import type { CollectionConfig } from "payload";
import { FixedToolbarFeature, lexicalEditor } from "@payloadcms/richtext-lexical";
import hasRoles from "@/utils/access-control/hasRoles";

function isStoryAuthor(user: Parameters<typeof hasRoles>[1]): boolean {
  return hasRoles(["admin", "developer"], user);
}

export const StoryBeats: CollectionConfig = {
  slug: "story-beats",
  admin: {
    group: "Story",
    useAsTitle: "title",
    defaultColumns: ["title", "status", "occurredAt", "order", "mission"],
    listSearchableFields: ["title", "body"],
    description:
      "Chronicle story beats. Drafts are visible to staff only; published beats are readable by any logged-in user on /story.",
  },
  access: {
    // Guests see nothing; admin/developer see everything; any other logged-in
    // user sees only published beats.
    read: ({ req }) => {
      if (!req.user) return false;
      if (isStoryAuthor(req.user)) return true;
      return { status: { equals: "published" } };
    },
    create: ({ req }) => isStoryAuthor(req.user),
    update: ({ req }) => isStoryAuthor(req.user),
    delete: ({ req }) => isStoryAuthor(req.user),
  },
  fields: [
    {
      name: "title",
      type: "text",
      required: true,
    },
    {
      name: "occurredAt",
      type: "date",
      admin: {
        description: "In-story timestamp used to order the chronicle.",
      },
    },
    {
      name: "order",
      type: "number",
      admin: {
        description: "Tie-breaker for beats that share the same timestamp.",
      },
    },
    {
      name: "status",
      type: "select",
      required: true,
      defaultValue: "draft",
      index: true,
      options: [
        { label: "Draft", value: "draft" },
        { label: "Published", value: "published" },
      ],
    },
    {
      name: "body",
      type: "richText",
      required: true,
      editor: lexicalEditor({
        features: ({ defaultFeatures }) => [...defaultFeatures, FixedToolbarFeature()],
      }),
      admin: {
        description: "Rich text body of the beat, rendered on /story with the Lexical renderer.",
      },
    },
    {
      name: "mission",
      type: "relationship",
      relationTo: "missions",
      admin: {
        description: "Optional mission this beat is tied to. Beats may stand alone.",
      },
    },
  ],
};