import 'package:PiliPlus/common/widgets/loading_widget/loading_widget.dart';
import 'package:PiliPlus/http/loading_state.dart';
import 'package:PiliPlus/models_new/fav/fav_folder/list.dart';
import 'package:PiliPlus/pages/common/common_intro_controller.dart';
import 'package:PiliPlus/utils/fav_util.dart';
import 'package:PiliPlus/utils/feed_back.dart';
import 'package:flutter/material.dart';
import 'package:get/get.dart';

class FavPanel extends StatefulWidget {
  const FavPanel({
    super.key,
    required this.ctr,
    this.scrollController,
  });

  final CommonIntroController ctr;
  final ScrollController? scrollController;

  @override
  State<FavPanel> createState() => _FavPanelState();
}

class _FavPanelState extends State<FavPanel> {
  LoadingState loadingState = LoadingState.loading();

  @override
  void initState() {
    super.initState();
    _query();
  }

  Future<void> _query() async {
    var res = await widget.ctr.queryVideoInFolder();
    if (mounted) {
      if (res['status']) {
        loadingState = const Success(null);
      } else {
        loadingState = Error(res['msg']);
      }
      setState(() {});
    }
  }

  Widget get _buildBody {
    return switch (loadingState) {
      Loading() => loadingWidget,
      Success() => ListView.builder(
          controller: widget.scrollController,
          itemCount: widget.ctr.favFolderData.value.list!.length,
          itemBuilder: (context, index) {
            FavFolderInfo item = widget.ctr.favFolderData.value.list![index];
            return Material(
              type: MaterialType.transparency,
              child: ListTile(
                onTap: () => setState(
                    () => widget.ctr.onChoose(item.favState != 1, index)),
                dense: true,
                leading: FavUtil.isPublicFav(item.attr)
                    ? const Icon(Icons.folder_outlined)
                    : const Icon(Icons.lock_outline),
                minLeadingWidth: 0,
                title: Text(item.title),
                subtitle: Text(
                  '${item.mediaCount}个内容 . ${FavUtil.isPublicFavText(item.attr)}',
                ),
                trailing: Transform.scale(
                  scale: 0.9,
                  child: Checkbox(
                    value: item.favState == 1,
                    onChanged: (bool? checkValue) =>
                        setState(() => widget.ctr.onChoose(checkValue!, index)),
                  ),
                ),
              ),
            );
          },
        ),
      Error(:var errMsg) => scrollErrorWidget(
          controller: widget.scrollController,
          errMsg: errMsg,
          onReload: _query,
        ),
    };
  }

  @override
  Widget build(BuildContext context) {
    final theme = Theme.of(context);
    return Column(
      children: [
        AppBar(
          backgroundColor: Colors.transparent,
          leading: IconButton(
            tooltip: '关闭',
            onPressed: Get.back,
            icon: const Icon(Icons.close_outlined),
          ),
          title: const Text('添加到收藏夹'),
          actions: [
            TextButton.icon(
              onPressed: () => Get.toNamed('/createFav')?.then((data) {
                if (data != null) {
                  widget.ctr.favFolderData
                    ..value.list?.insert(1, data)
                    ..refresh();
                }
              }),
              icon: Icon(
                Icons.add,
                color: theme.colorScheme.primary,
              ),
              label: const Text('新建收藏夹'),
              style: TextButton.styleFrom(
                padding:
                    const EdgeInsets.symmetric(horizontal: 18, vertical: 14),
                visualDensity: VisualDensity.compact,
              ),
            ),
            const SizedBox(width: 16),
          ],
        ),
        Expanded(child: _buildBody),
        Divider(
          height: 1,
          color: theme.disabledColor.withValues(alpha: 0.08),
        ),
        Padding(
          padding: EdgeInsets.only(
            left: 20,
            right: 20,
            top: 12,
            bottom: MediaQuery.paddingOf(context).bottom + 12,
          ),
          child: Row(
            mainAxisAlignment: MainAxisAlignment.end,
            children: <Widget>[
              TextButton(
                onPressed: () => Get.back(),
                style: TextButton.styleFrom(
                  padding:
                      const EdgeInsets.symmetric(horizontal: 20, vertical: 10),
                  visualDensity: const VisualDensity(
                    horizontal: -1,
                    vertical: -2,
                  ),
                  foregroundColor: theme.colorScheme.outline,
                  backgroundColor: theme.colorScheme.onInverseSurface,
                ),
                child: const Text('取消'),
              ),
              const SizedBox(width: 25),
              FilledButton.tonal(
                onPressed: () {
                  feedBack();
                  widget.ctr.actionFavVideo();
                },
                style: FilledButton.styleFrom(
                  padding:
                      const EdgeInsets.symmetric(horizontal: 20, vertical: 10),
                  visualDensity: const VisualDensity(
                    horizontal: -1,
                    vertical: -2,
                  ),
                ),
                child: const Text('完成'),
              ),
            ],
          ),
        ),
      ],
    );
  }
}