/// PocketBase migration: `tx_deletes` — synced tombstones for deleted admin
/// test transactions so another device cannot push them back into `transactions`.
///
/// Apply on the server:
///
///   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
migrate((app) => {
  const users = app.findCollectionByNameOrId("usersapp");

  try {
    app.findCollectionByNameOrId("tx_deletes");
    return;
  } catch (_) {}

  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 txDeletes = new Collection({
    type: "base",
    name: "tx_deletes",
    ...ownerRules,
    fields: [
      {
        type: "relation",
        name: "user",
        required: true,
        collectionId: users.id,
        cascadeDelete: true,
        maxSelect: 1,
      },
      {
        // Clipped BankTransaction.id
        type: "text",
        name: "tx_id",
        required: true,
        min: 1,
        max: 2000,
      },
      {
        type: "text",
        name: "date",
        required: true,
        min: 1,
        max: 32,
      },
      {
        type: "text",
        name: "description",
        required: true,
        min: 1,
        max: 4000,
      },
      {
        type: "number",
        name: "amount",
        required: true,
      },
      {
        type: "text",
        name: "currency",
        required: true,
        min: 1,
        max: 8,
      },
    ],
    indexes: [
      "CREATE UNIQUE INDEX idx_tx_deletes_user_tx ON tx_deletes (user, tx_id)",
    ],
  });
  app.save(txDeletes);
}, (app) => {
  try {
    app.delete(app.findCollectionByNameOrId("tx_deletes"));
  } catch (_) {}
});