import 'package:PiliPlus/common/skeleton/whisper_item.dart';
import 'package:PiliPlus/common/widgets/loading_widget/http_error.dart';
import 'package:PiliPlus/common/widgets/refresh_indicator.dart';
import 'package:PiliPlus/grpc/bilibili/app/im/v1.pb.dart';
import 'package:PiliPlus/http/loading_state.dart';
import 'package:PiliPlus/pages/whisper/widgets/item.dart';
import 'package:PiliPlus/pages/whisper_secondary/controller.dart';
import 'package:PiliPlus/utils/extension.dart';
import 'package:flutter/material.dart';
import 'package:get/get.dart';

class WhisperSecPage extends StatefulWidget {
  const WhisperSecPage({
    super.key,
    required this.name,
    required this.sessionPageType,
  });

  final String name;
  final SessionPageType sessionPageType;

  @override
  State<WhisperSecPage> createState() => _WhisperSecPageState();
}

class _WhisperSecPageState extends State<WhisperSecPage> {
  late final WhisperSecController _controller = Get.put(
    WhisperSecController(sessionPageType: widget.sessionPageType),
    tag: widget.sessionPageType.name,
  );

  @override
  Widget build(BuildContext context) {
    return Scaffold(
      appBar: AppBar(
        title: Text(widget.name),
        actions: [
          Obx(() {
            if (_controller.threeDotItems.value?.isNotEmpty == true) {
              return PopupMenuButton(
                itemBuilder: (context) {
                  return _controller.threeDotItems.value!
                      .map((e) => PopupMenuItem(
                            onTap: () => e.type.action(
                              context: context,
                              controller: _controller,
                            ),
                            child: Row(
                              children: [
                                e.type.icon,
                                Text('  ${e.title}'),
                              ],
                            ),
                          ))
                      .toList();
                },
              );
            }
            return const SizedBox.shrink();
          }),
        ],
      ),
      body: refreshIndicator(
        onRefresh: _controller.onRefresh,
        child: CustomScrollView(
          physics: const AlwaysScrollableScrollPhysics(),
          slivers: [
            SliverPadding(
              padding: EdgeInsets.only(
                  bottom: MediaQuery.paddingOf(context).bottom + 80),
              sliver: Obx(() => _buildBody(_controller.loadingState.value)),
            )
          ],
        ),
      ),
    );
  }

  Widget _buildBody(LoadingState<List<Session>?> loadingState) {
    late final divider = Divider(
      indent: 72,
      endIndent: 20,
      height: 1,
      color: Colors.grey.withValues(alpha: 0.1),
    );
    return switch (loadingState) {
      Loading() => SliverList.builder(
          itemCount: 12,
          itemBuilder: (context, index) {
            return const WhisperItemSkeleton();
          },
        ),
      Success(:var response) => response?.isNotEmpty == true
          ? SliverList.separated(
              itemCount: response!.length,
              itemBuilder: (context, index) {
                if (index == response.length - 1) {
                  _controller.onLoadMore();
                }
                return WhisperSessionItem(
                  item: response[index],
                  onSetTop: (isTop, talkerId) =>
                      _controller.onSetTop(index, isTop, talkerId),
                  onSetMute: (isMuted, talkerUid) =>
                      _controller.onSetMute(index, isMuted, talkerUid),
                  onRemove: (talkerId) => _controller.onRemove(index, talkerId),
                );
              },
              separatorBuilder: (context, index) => divider,
            )
          : HttpError(
              onReload: _controller.onReload,
            ),
      Error(:var errMsg) => HttpError(
          errMsg: errMsg,
          onReload: _controller.onReload,
        ),
    };
  }
}