/* ---------------------------------------------------------------------------
 * Activity resource — read-only debug feed.
 *
 * Activity rows are emitted by side effects elsewhere in the app (voting,
 * RSVPs, roadmap-ship transitions, pulse opens). The admin view is a tail
 * of the table for monitoring; no create, no edit, no delete.
 * ------------------------------------------------------------------------- */

import {
  getAllActivityForAdmin,
  type ActivityKind,
  type ActivityRow,
} from '../../lib/db';
import type { Resource } from '../resource-types';

const KIND_LABEL: Record<ActivityKind, string> = {
  voted: 'Voted',
  rsvped: 'RSVPed',
  booked_office_hours: 'Booked office hours',
  roadmap_shipped: 'Roadmap shipped',
  pulse_opened: 'Pulse opened',
};

const KIND_PILL_CLASS: Record<ActivityKind, string> = {
  voted: 'pill-update',
  rsvped: 'pill-published',
  booked_office_hours: 'pill-bts',
  roadmap_shipped: 'pill-shipping',
  pulse_opened: 'pill-pending',
};

const DAY_MS = 24 * 60 * 60 * 1000;

export const activityResource: Resource<ActivityRow> = {
  key: 'activity',
  label: 'Activity',
  pluralLabel: 'Activity',
  singularLabel: 'Event',
  groupKey: 'system',
  description: 'Recent member actions: votes, RSVPs, office-hour bookings, pulse opens, roadmap ships.',

  list: {
    queryFn: () => getAllActivityForAdmin(200),
    columns: [
      {
        key: 'actor_name',
        label: 'Actor',
        primary: true,
        width: '1.5fr',
        render: (item) => ({
          title: item.actor_name,
          subtitle: item.actor_role,
        }),
      },
      {
        key: 'kind',
        label: 'Kind',
        kind: 'pill',
        width: '160px',
        pillVariants: Object.fromEntries(
          (Object.keys(KIND_LABEL) as ActivityKind[]).map((k) => [
            k,
            { label: KIND_LABEL[k], class: KIND_PILL_CLASS[k] },
          ]),
        ),
      },
      {
        key: 'subject',
        label: 'Subject',
        width: '1fr',
        render: (item) => ({
          title: `${item.subject_type} #${item.subject_id}`,
        }),
      },
      {
        key: 'created_at',
        label: 'When',
        kind: 'relative-date',
        width: '120px',
      },
    ],
    filters: [
      { key: 'all', label: 'All', predicate: () => true, isDefault: true },
      {
        key: 'last_7_days',
        label: 'Last 7 days',
        predicate: (i) => Date.now() - new Date(i.created_at).getTime() < 7 * DAY_MS,
      },
      {
        key: 'last_30_days',
        label: 'Last 30 days',
        predicate: (i) => Date.now() - new Date(i.created_at).getTime() < 30 * DAY_MS,
      },
    ],
    defaultSort: { key: 'created_at', direction: 'desc' },
    pageSize: 100,
  },

  // Pure read view — no form, no summary, no ops, no actions.
  form: null,
  ops: {},
};