import 'package:flutter/material.dart';
import 'package:get/get.dart';
import 'package:hgdj/assets_tool/images.dart';
import 'package:hgdj/hj_model/acg/comic_chapters_model.dart';
import 'package:hgdj/hj_page/live/live_widget.dart';
import 'package:hgdj/hj_utils/screen.dart';
import 'package:hgdj/tools_base/widget/sheet_handle_bar.dart';
import 'package:hgdj/tools_base/widget/stagger_in_item.dart';

import '../../assets_tool/app_colors.dart';
import '../../hj_utils/widget_util.dart';
import 'widget/free_badge.dart';

//有声小说 选择子集
class AudioPlayerBottomSheet extends StatefulWidget {
  final String title;
  final List<ComicChapterInfo> allAudiobooks;
  final Function(int)? indexHandler;
  final int? currentPlayIndex;
  final String? unit; //子集单位(章/集...)，与详情子集 title 格式统一
  final bool hasPermission; //整本是否已解锁：false 时前 N 集显示「免费」角标

  AudioPlayerBottomSheet(
    this.title, {
    super.key,
    required this.allAudiobooks,
    this.indexHandler,
    this.currentPlayIndex,
    this.unit,
    this.hasPermission = false,
  });

  @override
  State<AudioPlayerBottomSheet> createState() => _AudioPlayerBottomSheetState();
}

class _AudioPlayerBottomSheetState extends State<AudioPlayerBottomSheet> {
  int sortType = 1; //0-降序，1-升序

  @override
  Widget build(BuildContext context) {
    return Container(
      padding: const EdgeInsets.symmetric(horizontal: 16, vertical: 13),
      constraints: BoxConstraints(maxHeight: Get.height / 2),
      decoration: const BoxDecoration(
        color: AppColors.primaryColor,
        borderRadius: BorderRadius.vertical(top: Radius.circular(18)),
      ),
      child: Column(
        crossAxisAlignment: CrossAxisAlignment.start,
        children: [
          const Center(child: SheetHandleBar(color: Color(0xff989898))),
          18.sizeBoxH,
          Row(
            children: [
              Text(
                widget.title,
                style: const TextStyle(
                  color: Colors.white,
                  fontSize: 16,
                  fontWeight: FontWeight.w500,
                ),
              ),
              Spacer(),
              InkWell(
                enableFeedback: false,
                onTap: () => setState(() => sortType = sortType == 1 ? 0 : 1),
                child: Row(
                  children: [
                    AnimatedRotation(
                      turns: sortType == 1 ? 0 : 0.5,
                      duration: const Duration(milliseconds: 250),
                      curve: Curves.easeOutCubic,
                      child: Image.asset('text_play_sort.png'.acgImgPath,
                          width: 18),
                    ),
                    4.sizeBoxW,
                    Text(
                      sortType == 1 ? '正序' : '倒序',
                      style: textStyle(12, Colors.white.withValues(alpha: .45),
                          FontWeight.w400),
                    ),
                  ],
                ),
              )
            ],
          ),
          18.sizeBoxH,
          Expanded(
            child: ListView.separated(
              key: ValueKey(sortType), // 切换正/倒序时 key 变化→列表重建→item 重新错峰入场
              separatorBuilder: (context, index) => Divider(
                height: 0.5,
                color: Colors.white.withValues(alpha: .05),
              ),
              itemCount: widget.allAudiobooks.length,
              itemBuilder: (context, index) {
                final realIndex = getRealIndex(index);
                final model = widget.allAudiobooks[realIndex];
                final select = widget.currentPlayIndex == realIndex;
                return StaggerInItem(
                    index: index,
                    child: InkWell(
                      enableFeedback: false,
                      onTap: () {
                        Get.back(result: realIndex);
                        widget.indexHandler?.call(realIndex);
                      },
                      child: Container(
                          padding: const EdgeInsets.only(bottom: 6),
                          child: Column(
                            children: [
                              16.sizeBoxH,
                              Row(
                                children: [
                                  if (select) ...[
                                    AudioWaveView(),
                                    8.sizeBoxW,
                                  ],
                                  Expanded(
                                    child: Text(
                                      //与详情/抽屉子集 title 格式一致：第X章
                                      '第${model.episodeNumber ?? 1}${widget.unit ?? ''}',
                                      style: TextStyle(
                                        color: select
                                            ? AppColors.actionRed
                                            : Colors.white
                                                .withValues(alpha: .9),
                                        fontSize: 14,
                                      ),
                                      maxLines: 1,
                                      overflow: TextOverflow.ellipsis,
                                    ),
                                  ),
                                  //无任何权限时，前 N 集免费展示「免费」角标
                                  if (widget.hasPermission == false &&
                                      model.inFreeEpisode) ...[
                                    8.sizeBoxW,
                                    const FreeBadge(),
                                  ],
                                  8.sizeBoxW,
                                  const Icon(
                                    Icons.navigate_next,
                                    size: 18,
                                    color: Color(0xffDCDCDC),
                                  )
                                ],
                              ),
                              16.sizeBoxH,
                            ],
                          )),
                    ));
              },
            ),
          )
        ],
      ),
    );
  }

  int getRealIndex(int index) {
    return (sortType == 1) ? index : widget.allAudiobooks.length - index - 1;
  }
}