import 'package:commons_core/commons_core.dart';
import 'package:flutter/material.dart';
import 'package:flutter_test/flutter_test.dart';
import 'package:tane/data/species_repository.dart';
import 'package:tane/db/database.dart';

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

void main() {
  late AppDatabase db;

  setUp(() => db = newTestDatabase());
  tearDown(() => db.close());

  testWidgets('renders the variety label, category and its lots', (
    tester,
  ) async {
    final repo = newTestRepository(db);
    final id = await repo.addQuickVariety(label: 'Maize', category: 'Poaceae');
    await repo.addLot(
      varietyId: id,
      harvestYear: 2024,
      quantity: const Quantity(kind: QuantityKind.cob),
    );

    await tester.pumpWidget(
      wrapDetail(
        repository: repo,
        varietyId: id,
        species: newTestSpeciesRepository(db),
      ),
    );
    await tester.pumpAndSettle();

    expect(find.text('Maize'), findsOneWidget); // app bar title
    expect(find.text('Poaceae'), findsOneWidget); // category chip
    expect(find.text('Year 2024 · cob'), findsOneWidget); // lot line
    await disposeTree(tester);
  });

  testWidgets('editing the name updates the title', (tester) async {
    final repo = newTestRepository(db);
    final id = await repo.addQuickVariety(label: 'Old name');

    await tester.pumpWidget(
      wrapDetail(
        repository: repo,
        varietyId: id,
        species: newTestSpeciesRepository(db),
      ),
    );
    await tester.pumpAndSettle();

    await tester.tap(find.byKey(const Key('detail.edit')));
    await tester.pumpAndSettle();

    await tester.enterText(
      find.byKey(const Key('editVariety.name')),
      'New name',
    );
    await tester.tap(find.byKey(const Key('editVariety.save')));
    await tester.pumpAndSettle();

    expect(find.text('New name'), findsOneWidget);
    await disposeTree(tester);
  });

  testWidgets('adding a lot shows it in the list', (tester) async {
    final repo = newTestRepository(db);
    final id = await repo.addQuickVariety(label: 'Bean');

    await tester.pumpWidget(
      wrapDetail(
        repository: repo,
        varietyId: id,
        species: newTestSpeciesRepository(db),
      ),
    );
    await tester.pumpAndSettle();

    expect(find.text('No lots yet.'), findsOneWidget);

    await tester.tap(find.byKey(const Key('detail.addLot')));
    await tester.pumpAndSettle();

    await tester.enterText(find.byKey(const Key('addLot.year')), '2023');
    await tester.tap(find.text('handful')); // pick the unit from the scale
    await tester.pumpAndSettle();
    await tester.enterText(find.byKey(const Key('quantity.count')), '2');
    await tester.tap(find.byKey(const Key('addLot.save')));
    await tester.pumpAndSettle();

    expect(find.text('Year 2023 · 2 handfuls'), findsOneWidget);
    await disposeTree(tester);
  });

  testWidgets('deleting the variety shows the not-found state', (tester) async {
    final repo = newTestRepository(db);
    final id = await repo.addQuickVariety(label: 'Doomed');

    await tester.pumpWidget(
      wrapDetail(
        repository: repo,
        varietyId: id,
        species: newTestSpeciesRepository(db),
      ),
    );
    await tester.pumpAndSettle();

    await tester.tap(find.byKey(const Key('detail.delete')));
    await tester.pumpAndSettle();
    await tester.tap(find.byKey(const Key('detail.deleteConfirm')));
    await tester.pumpAndSettle();

    // The variety is soft-deleted: the reactive view re-emits null.
    expect(find.text('This seed is no longer here.'), findsOneWidget);
    await disposeTree(tester);
  });

  testWidgets(
    'linking a species from the edit sheet shows its scientific name',
    (tester) async {
      final repo = newTestRepository(db);
      final species = newTestSpeciesRepository(db);
      await species.seedBundled(const [
        SpeciesSeed(
          scientificName: 'Solanum lycopersicum',
          family: 'Solanaceae',
          commonNames: {
            'en': ['Tomato'],
          },
        ),
      ]);
      final id = await repo.addQuickVariety(label: "Grandma's tomato");

      await tester.pumpWidget(
        wrapDetail(repository: repo, varietyId: id, species: species),
      );
      await tester.pumpAndSettle();

      await tester.tap(find.byKey(const Key('detail.edit')));
      await tester.pumpAndSettle();

      await tester.enterText(
        find.byKey(const Key('editVariety.species')),
        'toma',
      );
      await tester.pumpAndSettle();

      await tester.tap(find.text('Tomato (Solanum lycopersicum)'));
      await tester.pumpAndSettle();

      await tester.tap(find.byKey(const Key('editVariety.save')));
      await tester.pumpAndSettle();

      // Detail now shows the scientific name and the family-prefilled category.
      expect(find.text('Solanum lycopersicum'), findsOneWidget);
      expect(find.text('Solanaceae'), findsOneWidget);
      await disposeTree(tester);
    },
  );

  testWidgets('recording a germination test shows the rate badge on the lot', (
    tester,
  ) async {
    final repo = newTestRepository(db);
    final id = await repo.addQuickVariety(label: 'Maize');
    await repo.addLot(
      varietyId: id,
      harvestYear: 2024,
      quantity: const Quantity(kind: QuantityKind.cob),
    );

    await tester.pumpWidget(
      wrapDetail(
        repository: repo,
        varietyId: id,
        species: newTestSpeciesRepository(db),
      ),
    );
    await tester.pumpAndSettle();

    await tester.tap(find.byIcon(Icons.grass_outlined).first);
    await tester.pumpAndSettle();

    await tester.enterText(
      find.byKey(const Key('germination.germinated')),
      '18',
    );
    await tester.enterText(
      find.byKey(const Key('germination.sampleSize')),
      '20',
    );
    await tester.tap(find.byKey(const Key('germination.save')));
    await tester.pumpAndSettle();

    expect(find.text('90%'), findsOneWidget); // germination badge on the lot
    await disposeTree(tester);
  });
}