import 'dart:async';

import 'package:PiliPlus/common/widgets/progress_bar/audio_video_progress_bar.dart';
import 'package:PiliPlus/common/widgets/progress_bar/segment_progress_bar.dart';
import 'package:PiliPlus/pages/video/controller.dart';
import 'package:PiliPlus/plugin/pl_player/controller.dart';
import 'package:PiliPlus/plugin/pl_player/view.dart';
import 'package:PiliPlus/utils/feed_back.dart';
import 'package:PiliPlus/utils/utils.dart';
import 'package:flutter/material.dart';
import 'package:flutter/rendering.dart';
import 'package:get/get.dart';

class BottomControl extends StatelessWidget {
  const BottomControl({
    super.key,
    required this.maxWidth,
    required this.isFullScreen,
    required this.controller,
    required this.buildBottomControl,
    required this.videoDetailController,
  });

  final double maxWidth;
  final bool isFullScreen;
  final PlPlayerController controller;
  final Widget Function() buildBottomControl;
  final VideoDetailController videoDetailController;

  @override
  Widget build(BuildContext context) {
    final theme = Theme.of(context);
    Color colorTheme = theme.colorScheme.primary;
    //阅读器限制
    Timer? accessibilityDebounce;
    double lastAnnouncedValue = -1;
    return Padding(
      padding: const EdgeInsets.fromLTRB(10, 0, 10, 12),
      child: Column(
        mainAxisSize: MainAxisSize.min,
        children: [
          Padding(
            padding: const EdgeInsets.fromLTRB(10, 0, 10, 7),
            child: Obx(
              () => Stack(
                clipBehavior: Clip.none,
                alignment: Alignment.bottomCenter,
                children: [
                  Obx(() {
                    final int value = controller.sliderPositionSeconds.value;
                    final int max = controller.durationSeconds.value.inSeconds;
                    final int buffer = controller.bufferedSeconds.value;
                    if (value > max || max <= 0) {
                      return const SizedBox.shrink();
                    }
                    return ProgressBar(
                      progress: Duration(seconds: value),
                      buffered: Duration(seconds: buffer),
                      total: Duration(seconds: max),
                      progressBarColor: colorTheme,
                      baseBarColor: Colors.white.withValues(alpha: 0.2),
                      bufferedBarColor: colorTheme.withValues(alpha: 0.4),
                      timeLabelLocation: TimeLabelLocation.none,
                      thumbColor: colorTheme,
                      barHeight: 3.5,
                      thumbRadius: 7,
                      onDragStart: (duration) {
                        feedBack();
                        controller.onChangedSliderStart(duration.timeStamp);
                      },
                      onDragUpdate: (duration) {
                        if (controller.showSeekPreview) {
                          controller.updatePreviewIndex(
                            duration.timeStamp.inSeconds,
                          );
                        }
                        double newProgress = duration.timeStamp.inSeconds / max;
                        if ((newProgress - lastAnnouncedValue).abs() > 0.02) {
                          accessibilityDebounce?.cancel();
                          accessibilityDebounce = Timer(
                            const Duration(milliseconds: 200),
                            () {
                              SemanticsService.announce(
                                "${(newProgress * 100).round()}%",
                                TextDirection.ltr,
                              );
                              lastAnnouncedValue = newProgress;
                            },
                          );
                        }
                        controller.onUpdatedSliderProgress(
                          duration.timeStamp,
                        );
                      },
                      onSeek: (duration) {
                        if (controller.showSeekPreview) {
                          controller.showPreview.value = false;
                        }
                        controller
                          ..onChangedSliderEnd()
                          ..onChangedSlider(duration.inSeconds.toDouble())
                          ..seekTo(
                            Duration(seconds: duration.inSeconds),
                            isSeek: false,
                          );
                        SemanticsService.announce(
                          "${(duration.inSeconds / max * 100).round()}%",
                          TextDirection.ltr,
                        );
                      },
                    );
                  }),
                  if (controller.enableSponsorBlock &&
                      videoDetailController.segmentProgressList.isNotEmpty)
                    Positioned(
                      left: 0,
                      right: 0,
                      bottom: 5.25,
                      child: IgnorePointer(
                        child: RepaintBoundary(
                          child: CustomPaint(
                            key: const Key('segmentList'),
                            size: const Size(double.infinity, 3.5),
                            painter: SegmentProgressBar(
                              segmentColors:
                                  videoDetailController.segmentProgressList,
                            ),
                          ),
                        ),
                      ),
                    ),
                  if (controller.showViewPoints &&
                      videoDetailController.viewPointList.isNotEmpty &&
                      videoDetailController.showVP.value) ...[
                    Positioned(
                      left: 0,
                      right: 0,
                      bottom: 5.25,
                      child: IgnorePointer(
                        child: RepaintBoundary(
                          child: CustomPaint(
                            key: const Key('viewPointList'),
                            size: const Size(double.infinity, 3.5),
                            painter: SegmentProgressBar(
                              segmentColors:
                                  videoDetailController.viewPointList,
                            ),
                          ),
                        ),
                      ),
                    ),
                    if (!Utils.isMobile)
                      buildViewPointWidget(
                        videoDetailController,
                        controller,
                        8.75,
                        maxWidth - 40,
                      ),
                  ],
                  if (controller.showDmChart &&
                      videoDetailController.showDmTreandChart.value)
                    if (videoDetailController.dmTrend.value?.dataOrNull
                        case final list?)
                      buildDmChart(theme, list, videoDetailController, 4.5),
                ],
              ),
            ),
          ),
          buildBottomControl(),
        ],
      ),
    );
  }
}