PIbd-31_Zhirnova_A_E_PMD/lib/presentation/home_page/card.dart

part of 'home_page.dart';

typedef OnLikeCallback = void Function(String? id, String title, bool isLiked)?;

class _Card extends StatelessWidget { // состояние карточки регулируется извне; виджеты с точкой убираем
  final String text;
  final String descriptionText;
  final String? imageUrl;
  final OnLikeCallback onLike;
  final VoidCallback? onTap;
  final String? id;
  final bool isLiked;

  const _Card(this.text, {
    required this.descriptionText,
    this.imageUrl,
    this.onLike,
    this.onTap,
    this.id,
    this.isLiked = false,
  });

  factory _Card.fromData(CardData data, {
    OnLikeCallback onLike,
    VoidCallback? onTap,
    bool isLiked = false,
  }) =>
      _Card(
        data.text,
        descriptionText: data.descriptionText,
        imageUrl: data.imageUrl,
        onLike: onLike,
        onTap: onTap,
        isLiked: isLiked,
        id: data.id,
      );

  @override
  Widget build(BuildContext context) {
    return GestureDetector(
      onTap: onTap,
      child: Container(
        margin: const EdgeInsets.all(16),
        constraints: const BoxConstraints(minHeight: 130),
        decoration: BoxDecoration(
          color: Colors.white.withOpacity(0.9),
          borderRadius: BorderRadius.circular(20),
          border: Border.all(color: Colors.purpleAccent, width: 2),
          boxShadow: [
            BoxShadow(
              color: Colors.grey.withOpacity(0.5),
              spreadRadius: 4,
              offset: const Offset(0, 5),
              blurRadius: 8,
            ),
          ],
        ),
        child: IntrinsicHeight(
          child: Row(
            crossAxisAlignment: CrossAxisAlignment.start,
            children: [
              ClipRRect(
                borderRadius: const BorderRadius.only(
                  bottomLeft: Radius.circular(20),
                  topLeft: Radius.circular(20),
                ),
                child: SizedBox(
                  height: double.infinity,
                  width: 120,
                  child: Image.network(
                    imageUrl ?? '',
                    fit: BoxFit.cover,

                    errorBuilder: (_, __, ___) => const Placeholder(),
                  ),
                ),
              ),
              Expanded(
                child: Padding(
                  padding: const EdgeInsets.symmetric(horizontal: 16.0),
                  child: Column(
                    mainAxisAlignment: MainAxisAlignment.center,
                    children: [
                      Center(
                        child: Text(
                          text,
                          style: Theme
                              .of(context)
                              .textTheme
                              .headlineSmall
                              ?.apply(color: Colors.purple),
                          textAlign: TextAlign.center,
                        ),
                      ),
                      SizedBox(height: 4),
                    ],
                  ),
                ),
              ),
              Align(
                alignment: Alignment.bottomRight,
                child: Padding(
                  padding: const EdgeInsets.only(
                      left: 8, right: 16, bottom: 16),
                  child: GestureDetector(
                    onTap: () => onLike?.call(id, text, isLiked),
                    child: AnimatedSwitcher(
                      duration: const Duration(milliseconds: 200),
                      child: Container(
                        decoration: BoxDecoration(
                          border: Border.all(
                            color: isLiked ? Colors.transparent : Colors.purple,
                            width: 2,
                          ),
                          borderRadius: BorderRadius.circular(20),
                        ),
                        child: AnimatedContainer(
                          duration: const Duration(milliseconds: 200),
                          padding: const EdgeInsets.all(8),
                          child: isLiked
                              ? const Icon(
                            Icons.favorite,
                            color: Colors.purple,
                            key: ValueKey<int>(0),
                          )
                              : const Icon(
                            Icons.favorite_border,
                            color: Colors.purple,
                            key: ValueKey<int>(1),
                          ),
                        ),
                      ),
                    ),
                  ),
                ),
              ),
            ],
          ),
        ),
      ),
    );
  }
}