import 'dart:convert';

import 'package:flutter/material.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 '../../../../data/services/db/sqflite_api.dart';
import '../../../../data/services/network/api.dart';
import '../../controllers/meeting_details_controller.dart';

class SpeakerBottomSheet extends StatefulWidget {
  final int id;
  final String speakerName;

  const SpeakerBottomSheet(this.id, this.speakerName, {super.key});

  @override
  State<SpeakerBottomSheet> createState() => _SpeakerBottomSheetState();
}

class _SpeakerBottomSheetState extends State<SpeakerBottomSheet> {
  final _controller = Get.find<MeetingDetailsController>();
  final GetStorage _storage = GetStorage();

  final TextEditingController _speakerController = TextEditingController();
  int _type = 1;
  List _historySpeakerList = [];
  List _speakerList = [];

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

  void _getSpeakerList() {
    _historySpeakerList = _storage.read("speaker_list") ?? [];
    List speakerList = List.from(_historySpeakerList);
    List textList = _controller.textList;
    for (var element in textList) {
      String speaker = element['speaker'];
      if (speaker.isNotEmpty &&
          !RegExp(r'^Speaker \d+$').hasMatch(speaker) &&
          !speakerList.contains(speaker)) {
        speakerList.add(speaker);
      }
    }
    setState(() {
      _speakerList = speakerList;
    });
  }

  @override
  void dispose() {
    _speakerController.dispose();
    super.dispose();
  }

  @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(
              mainAxisAlignment: MainAxisAlignment.spaceBetween,
              children: [
                Text(
                  'nameCurrentSpeaker'.tr, // 对应中文：命名当前发言者
                  style: TextStyle(
                    fontSize: 16.sp,
                    color: Colors.black87,
                    fontWeight: FontWeight.bold,
                  ),
                ),
                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],
                    ),
                  ),
                )
              ],
            ),
          ),
          Divider(
            height: 1,
            color: Colors.grey[300],
          ),
          Container(
            margin: EdgeInsets.symmetric(vertical: 15.w),
            alignment: Alignment.center,
            decoration: BoxDecoration(
              color: Colors.white,
              borderRadius: BorderRadius.circular(12.r),
            ),
            child: TextField(
              controller: _speakerController,
              style: TextStyle(
                fontSize: 16.sp,
                color: Colors.black87,
                letterSpacing: 0,
                height: 1.4,
              ),
              decoration: InputDecoration(
                hintText: widget.speakerName,
                hintStyle: TextStyle(
                  fontSize: 16.sp,
                  color: Colors.grey[400],
                  letterSpacing: 0,
                  height: 1.4,
                ),
                isDense: true,
                fillColor: Colors.transparent,
                border: InputBorder.none,
                contentPadding: EdgeInsets.symmetric(
                  horizontal: 10.w,
                  vertical: 12.w,
                ),
              ),
            ),
          ),
          Container(
            constraints: BoxConstraints(
              maxHeight:
                  1.sh - 390.w - MediaQuery.of(context).viewInsets.bottom,
            ),
            child: ListView.builder(
              itemCount: _speakerList.length,
              shrinkWrap: true,
              itemBuilder: (BuildContext context, int index) {
                return Container(
                  padding: EdgeInsets.only(left: 10.w),
                  decoration: BoxDecoration(
                    border: Border(
                      bottom: BorderSide(
                        width: 1,
                        color: Colors.grey[300]!,
                      ),
                    ),
                  ),
                  child: Column(
                    crossAxisAlignment: CrossAxisAlignment.start,
                    children: [
                      if (index == 0)
                        Text(
                          'recentlyUsedNames'.tr, // 对应中文：最近使用过的名称
                          style: TextStyle(
                            fontSize: 12.sp,
                            color: Colors.grey[600]!,
                          ),
                        ),
                      GestureDetector(
                        onTap: () {
                          _speakerController.text = _speakerList[index];
                        },
                        behavior: HitTestBehavior.translucent,
                        child: SizedBox(
                          height: 42.w,
                          child: Align(
                            alignment: Alignment.centerLeft,
                            child: Text(
                              _speakerList[index],
                              style: TextStyle(
                                fontSize: 14.sp,
                                color: Colors.black87,
                              ),
                            ),
                          ),
                        ),
                      ),
                    ],
                  ),
                );
              },
            ),
          ),
          _row(
              'applyToCurrentParagraph'.tr, // 对应中文：应用到当前段落
              _type == 0, onTap: () {
            setState(() {
              _type = 0;
            });
          }),
          _row(
            'applyToAllParagraphs'.tr, // 对应中文：应用到这个发言者的所有段落
            _type == 1,
            description:
                'summaryWillBeUpdatedAutomatically'.tr, // 对应中文：总结将根据模版自动更新
            onTap: () {
              setState(() {
                _type = 1;
              });
            },
          ),
          Padding(
            padding: EdgeInsets.only(top: 10.w, bottom: 20.w),
            child: GestureDetector(
              onTap: _save,
              child: Container(
                height: 48.w,
                alignment: Alignment.center,
                decoration: BoxDecoration(
                  color: Colors.black,
                  borderRadius: BorderRadius.circular(12.r),
                ),
                child: Text(
                  'save'.tr, // 对应中文：保存
                  style: TextStyle(
                    fontSize: 16.sp,
                    color: Colors.white,
                  ),
                ),
              ),
            ),
          ),
          ],
        ),
      ),
    );
  }

  Widget _row(String name, bool isActive,
      {String? description, Function()? onTap}) {
    return GestureDetector(
      onTap: onTap,
      child: Padding(
        padding: EdgeInsets.symmetric(vertical: 10.w),
        child: Row(
          children: [
            isActive ? _round() : _circle(),
            Expanded(
              child: Column(
                crossAxisAlignment: CrossAxisAlignment.start,
                children: [
                  Text(
                    name,
                    style: TextStyle(
                      fontSize: 14.sp,
                      color: Colors.black87,
                    ),
                  ),
                  if (description != null)
                    Text(
                      description,
                      style: TextStyle(
                        fontSize: 10.sp,
                        color: Colors.grey[500]!,
                      ),
                    ),
                ],
              ),
            ),
          ],
        ),
      ),
    );
  }

  Widget _circle() {
    return Container(
      width: 18.w,
      height: 18.w,
      margin: EdgeInsets.only(right: 6.w),
      decoration: BoxDecoration(
        borderRadius: BorderRadius.circular(18.r),
        border: Border.all(
          width: 1.5,
          color: Colors.grey[300]!,
        ),
      ),
    );
  }

  Widget _round() {
    return Container(
      width: 18.w,
      height: 18.w,
      padding: EdgeInsets.all(2.w),
      margin: EdgeInsets.only(right: 6.w),
      decoration: BoxDecoration(
        borderRadius: BorderRadius.circular(18.r),
        border: Border.all(
          width: 1.5,
          color: Colors.black87,
        ),
      ),
      child: Container(
        decoration: BoxDecoration(
          color: Colors.black87,
          borderRadius: BorderRadius.circular(18.r),
        ),
      ),
    );
  }

  void _save() {
    if (_speakerController.text.isNotEmpty &&
        _speakerController.text != widget.speakerName) {
      if (_type == 0) {
        _single();
      } else {
        _all();
      }
    } else {
      Get.back();
    }
  }

  void _single() async {
    EasyLoading.show();
    List list = [
      {
        'id': widget.id,
        'speaker': _speakerController.text,
      }
    ];
    var result = await SqfliteApi.editMeetingSpeaker(list);
    if (result != null) {
      int index =
          _controller.textList.indexWhere((item) => item['id'] == widget.id);
      if (index != -1) {
        final dataMap = Map<String, dynamic>.from(_controller.textList[index]);
        dataMap['speaker'] = _speakerController.text;
        _controller.textList[index] = dataMap;
      }
      await Api.modifyRecordEchomeet({
        'id': _controller.meetingData.value.id,
        'translate': jsonEncode(_controller.textList),
      });
      _addHistorySpeaker();
      Get.back();
    }
    EasyLoading.dismiss();
  }

  void _all() async {
    EasyLoading.show();
    List textList = _controller.textList;
    List newTextList = [];
    List editSpeakerList = [];
    String personnel = '';
    for (var element in textList) {
      final dataMap = Map<String, dynamic>.from(element);
      if (dataMap['speaker'] == widget.speakerName) {
        dataMap['speaker'] = _speakerController.text;
        editSpeakerList.add({
          'id': dataMap['id'],
          'speaker': dataMap['speaker'],
        });
      }
      String speaker = dataMap['speaker'];
      if (!personnel.contains(speaker)) {
        personnel += '[$speaker] ';
      }
      newTextList.add(dataMap);
    }
    var result = await SqfliteApi.editMeetingSpeaker(editSpeakerList);
    if (result != null) {
      _controller.textList.value = newTextList;
      Map modifyData = {
        'id': _controller.meetingData.value.id,
        'translate': jsonEncode(_controller.textList),
        'personnel': personnel,
      };
      if (_controller.meetingDetails.value.summary
          .contains('[${widget.speakerName}]')) {
        String summaryText = _controller.meetingDetails.value.summary
            .replaceAll(
                '[${widget.speakerName}]', '[${_speakerController.text}]');
        SqfliteApi.editMeeting(_controller.id, {
          'summary': summaryText,
          'personnel': personnel,
        });
        modifyData.addAll({'summary': summaryText});
        _controller.meetingDetails.value.summary = summaryText;
        _controller.summaryNumberModifications.value++;
      } else {
        SqfliteApi.editMeeting(_controller.id, {'personnel': personnel});
      }
      await Api.modifyRecordEchomeet(modifyData);
      _controller.meetingDetails.value.personnel = personnel;
      _addHistorySpeaker();
      Get.back();
    }
    EasyLoading.dismiss();
  }

  void _addHistorySpeaker() {
    String speaker = _speakerController.text;
    if (speaker.isNotEmpty &&
        !RegExp(r'^Speaker \d+$').hasMatch(speaker) &&
        !_historySpeakerList.contains(speaker)) {
      _historySpeakerList.insert(0, speaker);
      _storage.write("speaker_list", _historySpeakerList);
    }
  }
}