import 'dart:io';

import 'package:common_utils/common_utils.dart';
import 'package:flutter/material.dart';
import 'package:flutter/services.dart';
import 'package:flutter_easyloading/flutter_easyloading.dart';
import 'package:flutter_screenutil/flutter_screenutil.dart';
import 'package:get/get.dart';
import 'package:get_storage/get_storage.dart';
import 'package:htmltopdfwidgets/htmltopdfwidgets.dart' as pdf;
import 'package:path_provider/path_provider.dart';
import 'package:share_plus/share_plus.dart';

import 'package:webview_flutter/webview_flutter.dart';

import '../../../../data/services/version_update_service.dart';
import '../../../../data/services/network/dio_manager.dart';
import '../../controllers/meeting_details_controller.dart';
import '../../controllers/mind_map_controller.dart';
import 'second_level_bottom_sheet.dart';

class ShareBottomSheet extends StatefulWidget {
  const ShareBottomSheet({super.key});

  @override
  State<ShareBottomSheet> createState() => _ShareBottomSheetState();
}

class _ShareBottomSheetState extends State<ShareBottomSheet> {
  final _controller = Get.find<MeetingDetailsController>();

  @override
  Widget build(BuildContext context) {
    return SafeArea(
      top: false,
      child: Padding(
        padding: EdgeInsets.symmetric(horizontal: 12.w),
        child: Column(
          mainAxisSize: MainAxisSize.min,
          children: [
          Container(
            padding: EdgeInsets.symmetric(vertical: 10.w),
            child: Row(
              children: [
                Icon(
                  Icons.audio_file_outlined,
                  color: Colors.grey,
                  size: 32.w,
                ),
                5.horizontalSpace,
                Expanded(
                  child: Text(
                    _controller.meetingData.value.title,
                    style: TextStyle(
                      fontSize: 16.sp,
                      color: Colors.black87,
                    ),
                  ),
                ),
                GestureDetector(
                  onTap: () => Get.back(),
                  child: Container(
                    width: 26.w,
                    height: 26.w,
                    decoration: BoxDecoration(
                      color: Colors.white,
                      borderRadius: BorderRadius.circular(26.r),
                    ),
                    child: Icon(
                      Icons.close,
                      size: 18.w,
                      color: Colors.grey[400],
                    ),
                  ),
                )
              ],
            ),
          ),
          Padding(
            padding: EdgeInsets.symmetric(vertical: 10.w),
            child: Column(
              children: [
                _box([
                  _shareItem(
                    Icons.link,
                    'shareLink'.tr, // 对应中文：分享链接
                    isBorder: false,
                    onTap: () async {
                      Get.back();
                      final GetStorage storage = GetStorage();
                      String token = storage.read("logintoken") ?? '';
                      int id = _controller.meetingData.value.id;

                      // final thumbnail = await getAssetThumbnailFile(
                      //   'assets/images/mine-background.png',
                      //   'share_thumb.png',
                      // );

                      // 获取动态服务器地址
                      final serverUrl = DioManager().baseUrl;
                      final serverHost = serverUrl
                          .replaceFirst('https://', '')
                          .replaceFirst('http://', '');

                      final result = await SharePlus.instance.share(ShareParams(
                        title: _controller.meetingData.value.title,
                        subject:
                            'Voitrans WEB，由DeepSound.Ai提供支持-实时记录会议纪要，多语言翻译。',
                        uri: Uri.parse(
                          'https://share.deepechomeet.com/share/$serverHost/voitrans.net/$id/$token',
                        ),
                        //previewThumbnail: thumbnail,
                      ));
                      if (result.status == ShareResultStatus.success) {
                        EasyLoading.showToast('shareSuccess'.tr); // 对应中文：分享完成
                      }
                    },
                  ),
                ]),
                _box([
                  _shareItem(Icons.copy, 'copyTranscript'.tr, // 对应中文：复制转写
                      onTap: _controller.meetingDetails.value.tasktype >= 3 &&
                              _controller.meetingDetails.value.tasktype < 10002
                          ? () {
                              Get.back();
                              _copy(_getAllText());
                            }
                          : null),
                  _shareItem(Icons.copy, 'copySummary'.tr, // 对应中文：复制总结
                      isBorder: false,
                      onTap: _controller.meetingDetails.value.tasktype >= 5 &&
                              _controller.meetingDetails.value.tasktype < 10001
                          ? () {
                              Get.back();
                              _copy(_markdownToPlainText(
                                  _controller.meetingDetails.value.summary));
                            }
                          : null),
                ]),
                _box([
                  _shareItem(
                      Icons.multitrack_audio, 'exportAudio'.tr, // 对应中文：导出音频
                      onTap: () {
                    Get.back();
                    _share(_controller.meetingData.value.filepath,
                        'shareMeetingAudio'.tr); // 对应中文：分享会议音频
                  }),
                  _shareItem(Icons.message, 'exportTranscript'.tr, // 对应中文：导出转写
                      onTap: _controller.meetingDetails.value.tasktype >= 3 &&
                              _controller.meetingDetails.value.tasktype < 10002
                          ? () async {
                              Get.back();
                              final tempDir = await getTemporaryDirectory();
                              final file = File(
                                  '${tempDir.path}/${_controller.meetingData.value.title}_speaker.txt');
                              String allText = _getAllText();
                              await file.writeAsString(allText);
                              _share(file.path,
                                  'exportTranscript'.tr); // 对应中文：分享会议转写
                            }
                          : null),
                  _shareItem(Icons.article, 'exportSummary'.tr, // 对应中文：导出总结
                      onTap: _controller.meetingDetails.value.tasktype >= 5 &&
                              _controller.meetingDetails.value.tasktype < 10001
                          ? () async {
                              Get.back();
                              Get.bottomSheet(
                                SecondLevelBottomSheet(
                                  'exportSummary'.tr, // 对应中文：导出总结
                                  'exportAs'.tr, // 对应中文：导出为
                                  (int index) async {
                                    if (index == 0) {
                                      // 导出TXT
                                      final tempDir =
                                          await getTemporaryDirectory();
                                      final file = File(
                                          '${tempDir.path}/${_controller.meetingData.value.title}_summary.txt');
                                      await file.writeAsString(
                                          _markdownToPlainText(_controller
                                              .meetingDetails.value.summary));
                                      _share(file.path,
                                          'exportSummary'.tr); // 对应中文：分享会议总结
                                    } else {
                                      // 导出PDF
                                      _exportMarkdownPdf();
                                    }
                                  },
                                  const [
                                    {
                                      'icon': Icons.text_snippet,
                                      'title': 'TXT',
                                      'isBorder': true,
                                    },
                                    {
                                      'icon': Icons.picture_as_pdf,
                                      'title': 'PDF',
                                      'isBorder': false,
                                    },
                                  ],
                                ),
                                isScrollControlled: true,
                                backgroundColor: Colors.grey[100],
                                shape: RoundedRectangleBorder(
                                  borderRadius: BorderRadius.vertical(
                                    top: Radius.circular(12.r),
                                  ),
                                ),
                              );
                            }
                          : null),
                  _shareItem(
                    Icons.save_alt,
                    '保存思维导图',
                    onTap: _controller.meetingDetails.value.tasktype >= 5 &&
                            _controller.meetingDetails.value.tasktype < 10001
                        ? () {
                            Get.back();
                            final mindMapController =
                                Get.find<MindMapController>();
                            mindMapController.imageType = 1;
                            if (mindMapController.isWebViewReady) {
                              mindMapController.webViewController
                                  .runJavaScript('captureImage()');
                            } else {
                              mindMapController.webViewController
                                  .setNavigationDelegate(
                                NavigationDelegate(
                                  onPageFinished: (String url) {
                                    mindMapController.isWebViewReady = true;
                                    mindMapController.webViewController
                                        .runJavaScript('captureImage()');
                                  },
                                ),
                              );
                            }
                          }
                        : null,
                  ),
                  _shareItem(
                    Icons.lan,
                    'shareMindMap'.tr, // 对应中文：分享思维导图
                    isBorder: false,
                    onTap: _controller.meetingDetails.value.tasktype >= 5 &&
                            _controller.meetingDetails.value.tasktype < 10001
                        ? () {
                            Get.back();
                            final mindMapController =
                                Get.find<MindMapController>();
                            mindMapController.imageType = 2;
                            if (mindMapController.isWebViewReady) {
                              mindMapController.webViewController
                                  .runJavaScript('captureImage()');
                            } else {
                              mindMapController.webViewController
                                  .setNavigationDelegate(
                                NavigationDelegate(
                                  onPageFinished: (String url) {
                                    mindMapController.isWebViewReady = true;
                                    mindMapController.webViewController
                                        .runJavaScript('captureImage()');
                                  },
                                ),
                              );
                            }
                          }
                        : null,
                  ),
                ]),
              ],
            ),
          ),
          ],
        ),
      ),
    );
  }

  Widget _box(List<Widget> children) {
    return Container(
      margin: EdgeInsets.only(bottom: 10.w),
      clipBehavior: Clip.hardEdge,
      decoration: BoxDecoration(
        color: Colors.white,
        borderRadius: BorderRadius.circular(12.r),
      ),
      child: Column(
        children: children,
      ),
    );
  }

  Widget _shareItem(
    IconData icon,
    String title, {
    bool isBorder = true,
    VoidCallback? onTap,
  }) {
    return InkWell(
      onTap: onTap,
      child: Container(
        padding: EdgeInsets.symmetric(horizontal: 12.w, vertical: 14.w),
        decoration: BoxDecoration(
          color: onTap != null ? null : Colors.grey[200],
          border: isBorder
              ? Border(
                  bottom: BorderSide(
                    width: 0.5,
                    color: Colors.grey[300]!,
                  ),
                )
              : null,
        ),
        child: Row(
          children: [
            Opacity(
              opacity: onTap != null ? 1.0 : 0.5,
              child: Icon(
                icon,
                color: Colors.black87,
              ),
            ),
            10.horizontalSpace,
            Expanded(
              child: Text(
                title,
                style: TextStyle(
                  fontSize: 14.sp,
                  color:
                      Colors.black87.withValues(alpha: onTap != null ? 1 : 0.5),
                ),
              ),
            ),
          ],
        ),
      ),
    );
  }

  Future<void> _share(String filepath, String title) async {
    final result = await SharePlus.instance.share(ShareParams(
      text: title,
      files: [XFile(filepath)],
    ));
    if (result.status == ShareResultStatus.success) {
      EasyLoading.showToast('shareSuccess'.tr); // 对应中文：分享完成！
    }
  }

  void _copy(String text) {
    Clipboard.setData(ClipboardData(
      text: text,
    )).then(
      (value) => Get.snackbar(
        'success'.tr, // 对应中文：成功
        'copySuccess'.tr, // 对应中文：复制成功
        backgroundColor: Colors.blue.withValues(alpha: 0.8),
        colorText: Colors.white,
      ),
    );
  }

  /// 将Markdown格式转换为纯文本
  String _markdownToPlainText(String markdown) {
    String text = markdown;

    // 移除粗体标记 **text** 或 __text__
    text = text.replaceAllMapped(
        RegExp(r'\*\*(.*?)\*\*'), (match) => match.group(1) ?? '');
    text = text.replaceAllMapped(
        RegExp(r'__(.*?)__'), (match) => match.group(1) ?? '');

    // 移除斜体标记 *text* 或 _text_
    text = text.replaceAllMapped(
        RegExp(r'\*(.*?)\*'), (match) => match.group(1) ?? '');
    text = text.replaceAllMapped(
        RegExp(r'_(.*?)_'), (match) => match.group(1) ?? '');

    // 移除删除线标记 ~~text~~
    text = text.replaceAllMapped(
        RegExp(r'~~(.*?)~~'), (match) => match.group(1) ?? '');

    // 移除代码块标记 ```code```
    text = text.replaceAll(RegExp(r'```[\s\S]*?```'), '');

    // 移除行内代码标记 `code`
    text = text.replaceAllMapped(
        RegExp(r'`(.*?)`'), (match) => match.group(1) ?? '');

    // 移除链接标记 [text](url)
    text = text.replaceAllMapped(
        RegExp(r'\[([^\]]+)\]\([^\)]+\)'), (match) => match.group(1) ?? '');

    // 移除图片标记 ![alt](url)
    text = text.replaceAllMapped(
        RegExp(r'!\[([^\]]*)\]\([^\)]+\)'), (match) => match.group(1) ?? '');

    // 移除标题标记 # ## ### 等
    text = text.replaceAll(RegExp(r'^#{1,6}\s+', multiLine: true), '');

    // 移除引用标记 >
    text = text.replaceAll(RegExp(r'^>\s*', multiLine: true), '');

    // 移除列表标记 - * +
    text = text.replaceAll(RegExp(r'^[\s]*[-\*\+]\s+', multiLine: true), '');

    // 移除有序列表标记 1. 2. 等
    text = text.replaceAll(RegExp(r'^[\s]*\d+\.\s+', multiLine: true), '');

    // 移除水平分割线
    text =
        text.replaceAll(RegExp(r'^[\s]*[-\*_]{3,}[\s]*$', multiLine: true), '');

    // 清理多余的空行
    text = text.replaceAll(RegExp(r'\n\s*\n\s*\n'), '\n\n');

    return text.trim();
  }

  String _getAllText() {
    String text = '';
    for (var element in _controller.textList) {
      if (element['speaker'].isNotEmpty) {
        text += '${element['speaker']} ';
      }
      text += '${DateUtil.formatDateMs(
        element['starttime'],
        format: 'HH:mm:ss',
        isUtc: true,
      )}\n';
      text += '${element['content']}\n';
    }
    return text;
  }

  Future<XFile> getAssetThumbnailFile(String assetPath, String fileName) async {
    final byteData = await rootBundle.load(assetPath);
    final tempDir = await getTemporaryDirectory();
    final file = File('${tempDir.path}/$fileName');
    await file.writeAsBytes(byteData.buffer.asUint8List());
    return XFile(file.path);
  }

  Future<void> _exportMarkdownPdf() async {
    EasyLoading.show(status: 'exportingPDF'.tr); // 对应中文：正在导出PDF...
    final tempDir = await getTemporaryDirectory();
    final file = File(
        '${tempDir.path}/${_controller.meetingData.value.title}_summary.pdf');
    final List<pdf.Widget> markdownWidgets =
        await pdf.HTMLToPdf().convertMarkdown(
      _controller.meetingDetails.value.summary,
      fontFallback: [
        pdf.Font.ttf(
            await rootBundle.load('assets/fonts/NotoSansSC-Regular.ttf')),
      ],
    );
    final markdownPdf = pdf.Document();
    markdownPdf.addPage(pdf.MultiPage(
      build: (context) => markdownWidgets,
    ));
    await file.writeAsBytes(await markdownPdf.save());
    await _share(file.path, 'exportSummary'.tr); // 对应中文：分享会议总结
    EasyLoading.dismiss();
  }
}