import 'dart:typed_data';

import 'package:flutter/material.dart';
import 'package:flutter_test/flutter_test.dart';
import 'package:tane/i18n/strings.g.dart';
import 'package:tane/ui/inventory_list_screen.dart';

import '../support/test_support.dart';

void main() {
  // A valid 1×1 PNG so Image.memory decodes it in the widget test (the seed
  // only nudges a trailing byte to keep captures distinct).
  Uint8List photo(int seed) => Uint8List.fromList([
    0x89, 0x50, 0x4E, 0x47, 0x0D, 0x0A, 0x1A, 0x0A, //
    0x00, 0x00, 0x00, 0x0D, 0x49, 0x48, 0x44, 0x52,
    0x00, 0x00, 0x00, 0x01, 0x00, 0x00, 0x00, 0x01,
    0x08, 0x06, 0x00, 0x00, 0x00, 0x1F, 0x15, 0xC4,
    0x89, 0x00, 0x00, 0x00, 0x0A, 0x49, 0x44, 0x41,
    0x54, 0x78, 0x9C, 0x63, 0x00, 0x01, 0x00, 0x00,
    0x05, 0x00, 0x01, 0x0D, 0x0A, 0x2D, 0xB4, 0x00,
    0x00, 0x00, 0x00, 0x49, 0x45, 0x4E, 0x44, 0xAE,
    0x42, 0x60, 0x82, seed,
  ]);

  testWidgets(
    'drafts show a triage banner, stay out of the list, and can be named',
    (tester) async {
      LocaleSettings.setLocaleSync(AppLocale.en);
      final db = newTestDatabase();
      addTearDown(db.close);
      final repo = newTestRepository(db);
      await repo.addDraftVariety(photo(1));
      await repo.addDraftVariety(photo(2));

      await tester.pumpWidget(
        wrapScreen(repository: repo, child: const InventoryListScreen()),
      );
      await tester.pumpAndSettle();

      // The two captures are in the tray, not the main list.
      expect(find.byKey(const Key('inventory.triageBanner')), findsOneWidget);
      expect(find.text('2 to catalogue'), findsOneWidget);
      expect(find.text('No seeds yet. Tap + to add your first.'), findsOneWidget);

      // Open the tray and name the first draft.
      await tester.tap(find.byKey(const Key('inventory.triageBanner')));
      await tester.pumpAndSettle();
      expect(find.text('Unnamed'), findsNWidgets(2));

      await tester.tap(find.text('Unnamed').first);
      await tester.pumpAndSettle();
      await tester.enterText(
        find.byKey(const Key('draft.nameField')),
        'Grandma tomato',
      );
      await tester.tap(find.byKey(const Key('draft.nameSave')));
      await tester.pumpAndSettle();

      // One draft left in the tray…
      expect(find.text('Unnamed'), findsOneWidget);

      // …and close the sheet: the named seed is now in the inventory, the
      // banner shows one remaining.
      await tester.tapAt(const Offset(20, 20));
      await tester.pumpAndSettle();
      expect(find.text('Grandma tomato'), findsOneWidget);
      expect(find.text('1 to catalogue'), findsOneWidget);

      await disposeTree(tester);
    },
  );
}