/// PocketBase migration: Overview chart favourites.
///
/// Apply on the server (from /opt/pocketbase or wherever the binary lives):
///
///   sudo cp this_file /opt/pocketbase/pb_migrations/
///   sudo chown pocketbase:pocketbase /opt/pocketbase/pb_migrations/*.js
///   sudo -u pocketbase /opt/pocketbase/pocketbase migrate up
///   sudo systemctl restart pocketbase
///
/// Depends on usersapp (same owner rules as labels / recurring_templates).
migrate((app) => {
  const users = app.findCollectionByNameOrId("usersapp");

  const ownerRules = {
    listRule: "user = @request.auth.id",
    viewRule: "user = @request.auth.id",
    createRule: "@request.auth.id != '' && user = @request.auth.id",
    updateRule: "user = @request.auth.id",
    deleteRule: "user = @request.auth.id",
  };

  const overviewFavourites = new Collection({
    type: "base",
    name: "overview_favourites",
    ...ownerRules,
    fields: [
      {
        type: "relation",
        name: "user",
        required: true,
        collectionId: users.id,
        cascadeDelete: true,
        maxSelect: 1,
      },
      {
        // App-side OverviewFavourite.id
        type: "text",
        name: "client_id",
        required: true,
        min: 1,
        max: 120,
      },
      {
        type: "text",
        name: "name",
        required: true,
        min: 1,
        max: 200,
      },
      {
        // Show on Favourites overview view
        type: "bool",
        name: "display",
        required: false,
      },
      {
        // "flow" | "labels"
        type: "text",
        name: "metric",
        required: true,
        min: 1,
        max: 32,
      },
      {
        // "monthly" | "yearly"
        type: "text",
        name: "period",
        required: true,
        min: 1,
        max: 32,
      },
      {
        // Label client_ids included on Labels chart ([] = all)
        type: "json",
        name: "label_ids",
        required: false,
      },
      {
        // "all" | "income" | "expense"
        type: "text",
        name: "flow",
        required: true,
        min: 1,
        max: 32,
      },
      {
        // "parallel" | "stacked"
        type: "text",
        name: "bar_style",
        required: true,
        min: 1,
        max: 32,
      },
      {
        type: "bool",
        name: "invert_expense_perspective",
        required: false,
      },
    ],
    indexes: [
      "CREATE UNIQUE INDEX idx_overview_favourites_user_client ON overview_favourites (user, client_id)",
    ],
  });
  app.save(overviewFavourites);
}, (app) => {
  try {
    const col = app.findCollectionByNameOrId("overview_favourites");
    app.delete(col);
  } catch (_) {}
});