import 'dart:typed_data';

import 'package:cookit/src/database/database.dart';
import 'package:cookit/src/recipes/course_repository.dart';
import 'package:cookit/src/recipes/models/course.dart';
import 'package:cookit/src/recipes/photo_store.dart';
import 'package:cookit/src/recipes/recipe_repository.dart';
import 'package:flutter_test/flutter_test.dart';

import '../support/fixtures.dart';
import '../support/test_database.dart';

void main() {
  late AppDatabase db;
  late PhotoStore photos;
  late RecipeRepository recipes;
  late CourseRepository courses;

  setUp(() async {
    db = testDatabase();
    photos = await tempPhotoStore();
    recipes = RecipeRepository(db, photos);
    courses = CourseRepository(db);
  });

  tearDown(() async {
    await db.close();
    await photos.directory.delete(recursive: true);
  });

  test('a fresh database starts with the default Courses in order', () async {
    final all = await courses.allCourses();
    expect(all.map((c) => c.name), defaultCourses.map((c) => c.$1));
    expect(all.first.label, '🍝 Hauptgericht');
  });

  test('saves and reads back a whole Recipe', () async {
    final course = (await courses.allCourses()).first;
    final original = recipe(courseId: course.id, tags: ['Brot'], reviewReasons: ['Portionen fehlen.']);
    await recipes.saveRecipe(original);

    final read = (await recipes.watchRecipe('r1').first)!;
    expect(read.name, 'Focaccia');
    expect(read.courseId, course.id);
    expect(read.tags, ['Brot']);
    expect(read.calories!.kcal, 775);
    expect(
      [for (final g in read.ingredientGroups) g.toJson()],
      [for (final g in original.ingredientGroups) g.toJson()],
    );
    expect(read.stepSections.single.title, 'Teig');
    expect(read.sources, ['https://example.org/focaccia']);
    expect(read.needsReview, isTrue);
  });

  test('watchRecipes is sorted by name ignoring case', () async {
    await recipes.saveRecipe(recipe(id: 'b', name: 'zwiebelkuchen'));
    await recipes.saveRecipe(recipe(id: 'a', name: 'Apfelstrudel'));
    await recipes.saveRecipe(recipe(id: 'c', name: 'Brot'));
    final names = (await recipes.watchRecipes().first).map((r) => r.name);
    expect(names, ['Apfelstrudel', 'Brot', 'zwiebelkuchen']);
  });

  test('favourite and clearing the Review Flag', () async {
    await recipes.saveRecipe(recipe(reviewReasons: ['x']));
    await recipes.setFavourite('r1', true);
    await recipes.clearReview('r1');
    final read = (await recipes.watchRecipe('r1').first)!;
    expect(read.favourite, isTrue);
    expect(read.needsReview, isFalse);
  });

  test('deleting a Recipe removes its Photo files', () async {
    final photo = await photos.saveBytes(Uint8List.fromList([1, 2, 3]));
    await recipes.saveRecipe(recipe(photos: [photo]));
    await recipes.deleteRecipe((await recipes.watchRecipe('r1').first)!);
    expect(await recipes.watchRecipe('r1').first, isNull);
    expect(photos.file(photo).existsSync(), isFalse);
  });

  test('deleting a Course keeps its Recipes without one', () async {
    final course = await courses.addCourse('Suppe', emoji: '🍲');
    await recipes.saveRecipe(recipe(courseId: course.id));
    expect(await courses.recipeCount(course.id), 1);
    await courses.deleteCourse(course.id);
    expect((await recipes.watchRecipe('r1').first)!.courseId, isNull);
  });

  test('findOrCreate matches names ignoring case', () async {
    final existing = await courses.findOrCreate('dessert');
    expect(existing.name, 'Dessert');
    final created = await courses.findOrCreate('Suppe');
    expect(created.position, defaultCourses.length);
  });

  test('reorder and update Courses', () async {
    final all = await courses.allCourses();
    await courses.reorder(all.reversed.toList());
    await courses.updateCourse(all.first.id, name: 'Hauptspeise', emoji: null);
    final reordered = await courses.allCourses();
    expect(reordered.last.name, 'Hauptspeise');
    expect(reordered.last.emoji, isNull);
  });
}