Fix back button behavior

fixes #12

tests/acceptance/navigation-test.js

@@ -0,0 +1,106 @@
+import { module, test } from 'qunit';
+import { visit, currentURL, click, settled } from '@ember/test-helpers';
+import { setupApplicationTest } from 'marco/tests/helpers';
+import Service from '@ember/service';
+import sinon from 'sinon';
+
+class MockOsmService extends Service {
+  async getNearbyPois() {
+    return [
+      {
+        osmId: '123',
+        lat: 1,
+        lon: 1,
+        osmTags: { name: 'Test Place', amenity: 'cafe' },
+        osmType: 'node',
+      },
+    ];
+  }
+  async getPoiById() {
+    return {
+      osmId: '123',
+      lat: 1,
+      lon: 1,
+      osmTags: { name: 'Test Place', amenity: 'cafe' },
+      osmType: 'node',
+    };
+  }
+}
+
+class MockStorageService extends Service {
+  savedPlaces = [];
+  findPlaceById() {
+    return null;
+  }
+  loadPlacesInBounds() {
+    return [];
+  }
+  get placesInView() {
+    return [];
+  }
+  rs = {
+    on: () => {},
+  };
+}
+
+module('Acceptance | navigation', function (hooks) {
+  setupApplicationTest(hooks);
+
+  hooks.beforeEach(function () {
+    this.owner.register('service:osm', MockOsmService);
+    this.owner.register('service:storage', MockStorageService);
+  });
+
+  test('navigating from search results to place and back uses history', async function (assert) {
+    const mapUi = this.owner.lookup('service:map-ui');
+    const backStub = sinon.stub(window.history, 'back');
+
+    try {
+      await visit('/search?lat=1&lon=1');
+      assert.strictEqual(currentURL(), '/search?lat=1&lon=1');
+
+      await click('.place-item');
+      assert.ok(currentURL().includes('/place/'), 'Navigated to place');
+      assert.true(mapUi.returnToSearch, 'Flag returnToSearch is set');
+
+      // Click the back button in the sidebar
+      await click('.back-btn');
+
+      assert.true(backStub.calledOnce, 'window.history.back() was called');
+    } finally {
+      backStub.restore();
+    }
+  });
+
+  test('closing the sidebar resets the returnToSearch flag', async function (assert) {
+    const mapUi = this.owner.lookup('service:map-ui');
+
+    await visit('/search?lat=1&lon=1');
+    await click('.place-item'); // Sets returnToSearch = true
+
+    assert.true(mapUi.returnToSearch, 'Flag is set upon entering place');
+
+    // Click the Close (X) button
+    await click('.close-btn');
+    await settled();
+
+    assert.strictEqual(currentURL(), '/', 'Returned to index');
+    assert.false(mapUi.returnToSearch, 'Flag is reset after closing sidebar');
+  });
+
+  test('navigating directly to place and back closes sidebar', async function (assert) {
+    const backStub = sinon.stub(window.history, 'back');
+    try {
+      await visit('/place/osm:node:123');
+      assert.ok(currentURL().includes('/place/'), 'Visited place directly');
+
+      await click('.back-btn');
+      await settled();
+
+      assert.strictEqual(currentURL(), '/', 'Returned to index/map');
+      assert.true(backStub.notCalled, 'window.history.back() was NOT called');
+    } finally {
+      backStub.restore();
+    }
+  });
+});