import 'package:flutter_test/flutter_test.dart';
import 'package:tane/data/variety_repository.dart';
import 'package:tane/db/database.dart';
import 'package:tane/db/enums.dart';

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

void main() {
  late AppDatabase db;
  late VarietyRepository repo;

  setUp(() {
    db = newTestDatabase();
    repo = newTestRepository(db);
  });

  tearDown(() async => db.close());

  Future<String> newLot({String? originName, String? originPlace}) async {
    final varietyId = await repo.addQuickVariety(label: 'Tomate rosa');
    return repo.addLot(
      varietyId: varietyId,
      harvestYear: 2025,
      originName: originName,
      originPlace: originPlace,
    );
  }

  group('recordCultivation', () {
    test('records a sown movement with defaults', () async {
      final lotId = await newLot();
      final id = await repo.recordCultivation(
        lotId: lotId,
        type: MovementType.sown,
      );
      expect(id, isNotEmpty);
      final history = await repo.lotHistory(lotId);
      final sown = history.where(
        (e) => e.movementType == MovementType.sown,
      );
      expect(sown, hasLength(1));
      expect(sown.first.kind, LotHistoryKind.movement);
      expect(sown.first.when, isNotNull);
    });

    test('records a harvested movement with a note and date', () async {
      final lotId = await newLot();
      await repo.recordCultivation(
        lotId: lotId,
        type: MovementType.harvested,
        occurredOn: DateTime(2026, 7, 1).millisecondsSinceEpoch,
        notes: 'great year',
      );
      final history = await repo.lotHistory(lotId);
      final harvested = history.singleWhere(
        (e) => e.movementType == MovementType.harvested,
      );
      expect(harvested.notes, 'great year');
      expect(
        harvested.when,
        DateTime(2026, 7, 1).millisecondsSinceEpoch,
      );
    });

    test('rejects non-cultivation movement types', () async {
      final lotId = await newLot();
      expect(
        () => repo.recordCultivation(lotId: lotId, type: MovementType.given),
        throwsA(isA<ArgumentError>()),
      );
    });
  });

  group('lotHistory', () {
    test('starts with the lot creation entry carrying its origin', () async {
      final lotId = await newLot(originName: 'María', originPlace: 'Aiako');
      final history = await repo.lotHistory(lotId);
      expect(history, isNotEmpty);
      // Most-recent first: creation is the last entry.
      final created = history.last;
      expect(created.kind, LotHistoryKind.created);
      expect(created.originName, 'María');
      expect(created.originPlace, 'Aiako');
    });

    test('merges movements, germination tests and condition checks', () async {
      final lotId = await newLot();
      await repo.addGerminationTest(
        lotId: lotId,
        testedOn: DateTime(2026, 2, 1).millisecondsSinceEpoch,
        sampleSize: 10,
        germinatedCount: 8,
      );
      await repo.addConditionCheck(
        lotId: lotId,
        checkedOn: DateTime(2026, 3, 1).millisecondsSinceEpoch,
        containerCount: 2,
        desiccantState: DesiccantState.dry,
      );
      await repo.recordCultivation(
        lotId: lotId,
        type: MovementType.sown,
        occurredOn: DateTime(2026, 4, 1).millisecondsSinceEpoch,
      );
      await repo.recordHandover(
        lotId: lotId,
        direction: HandoverDirection.iGave,
        counterparty: 'Pepe',
      );

      final history = await repo.lotHistory(lotId);
      expect(history.map((e) => e.kind).toSet(), {
        LotHistoryKind.created,
        LotHistoryKind.movement,
        LotHistoryKind.germinationTest,
        LotHistoryKind.conditionCheck,
      });

      final germination = history.singleWhere(
        (e) => e.kind == LotHistoryKind.germinationTest,
      );
      expect(germination.germinationRate, closeTo(0.8, 1e-9));

      final check = history.singleWhere(
        (e) => e.kind == LotHistoryKind.conditionCheck,
      );
      expect(check.containerCount, 2);

      // Most-recent first: the handover (today) leads, creation closes.
      expect(history.first.movementType, MovementType.given);
      expect(history.last.kind, LotHistoryKind.created);

      // The middle entries are ordered by their explicit dates, descending.
      final dated = history
          .where((e) => e.kind != LotHistoryKind.created)
          .toList();
      for (var i = 0; i + 1 < dated.length; i++) {
        expect(dated[i].when ?? 0, greaterThanOrEqualTo(dated[i + 1].when ?? 0));
      }
    });

    test('includes garden outcomes as story lines', () async {
      final lotId = await newLot();
      await repo.addGardenOutcome(
        lotId: lotId,
        year: 2026,
        rating: GardenOutcomeRating.good,
        notes: 'true to type, keeping it',
      );
      final history = await repo.lotHistory(lotId);
      final outcome = history.singleWhere(
        (e) => e.kind == LotHistoryKind.gardenOutcome,
      );
      expect(outcome.rating, GardenOutcomeRating.good);
      expect(outcome.year, 2026);
      expect(outcome.notes, 'true to type, keeping it');
    });

    test('ignores other lots', () async {
      final lotId = await newLot();
      final otherLot = await newLot();
      await repo.recordCultivation(lotId: otherLot, type: MovementType.sown);
      final history = await repo.lotHistory(lotId);
      expect(
        history.where((e) => e.kind == LotHistoryKind.movement),
        isEmpty,
      );
    });
  });
}