import 'dart:math';

import 'package:flutter/material.dart';
import 'package:hooks_riverpod/hooks_riverpod.dart';
import 'package:shelfsdk/audiobookshelf_api.dart';
import 'package:whispering_pages/widgets/shelves/author_shelf.dart';
import 'package:whispering_pages/widgets/shelves/book_shelf.dart';

/// A shelf that displays books/authors/series on the home page
///
/// this will build the appropriate shelf based on the type of the shelf
class HomeShelf extends HookConsumerWidget {
  const HomeShelf({
    super.key,
    required this.shelf,
    required this.title,
  });

  final String title;
  final Shelf shelf;

  @override
  Widget build(BuildContext context, WidgetRef ref) {
    return switch (shelf.type) {
      ShelfType.book => BookHomeShelf(
          title: title,
          shelf: LibraryItemShelf.fromJson(shelf.toJson()),
        ),
      ShelfType.authors => AuthorHomeShelf(
          title: title,
          shelf: AuthorShelf.fromJson(shelf.toJson()),
        ),
      _ => Container(),
    };
  }
}

/// A shelf that displays children on the home page
class SimpleHomeShelf extends HookConsumerWidget {
  const SimpleHomeShelf({
    super.key,
    required this.children,
    required this.title,
    this.height,
  });

  /// the title of the shelf
  final String title;

  /// the children to display on the shelf
  final List<Widget> children;
  final double? height;

  @override
  Widget build(BuildContext context, WidgetRef ref) {
    // if height is null take up 30% of the smallest screen dimension

    return Padding(
      padding: const EdgeInsets.all(8.0),
      child: Column(
        crossAxisAlignment: CrossAxisAlignment.start,
        children: [
          Text(title, style: Theme.of(context).textTheme.titleLarge),
          const SizedBox(height: 16),
          SizedBox(
            height: max(
              min(
                height ?? 0.3 * MediaQuery.of(context).size.shortestSide,
                200.0,
              ),
              150.0,
            ),
            child: ListView.separated(
              scrollDirection: Axis.horizontal,
              itemBuilder: (context, index) => children[index],
              separatorBuilder: (context, index) => const SizedBox(width: 16),
              itemCount: children.length,
            ),
          ),
        ],
      ),
    );
  }
}