import 'package:dating_touchme_app/config/emoji_config.dart';
import 'package:dating_touchme_app/model/home/post_data.dart';
import 'package:dating_touchme_app/network/home_api.dart';
import 'package:easy_refresh/easy_refresh.dart';
import 'package:flutter/material.dart';
import 'package:flutter_screenutil/flutter_screenutil.dart';
import 'package:flutter_smart_dialog/flutter_smart_dialog.dart';
import 'package:get/get.dart';
import 'package:dating_touchme_app/model/home/post_comment_data.dart' as pcd;

class TimelineInfoController extends GetxController {
  final String id;
  TimelineInfoController({required this.id});

  final showInput = false.obs;

  late final HomeApi _homeApi;

  final item = Records().obs;

  final imgList = <String>[].obs;


  final commentList = <pcd.Records>[].obs;

  final page = 1.obs;
  final size = 10.obs;
  final parentId = "0".obs;

  late final EasyRefreshController listRefreshController;


  final message = ''.obs;
  final messageController = TextEditingController().obs;

  final focusNode = FocusNode().obs;

  @override
  void onInit() {
    super.onInit();
    listRefreshController = EasyRefreshController(
      controlFinishRefresh: true,
      controlFinishLoad: true,
    );
    // 从全局依赖中获取HomeApi
    _homeApi = Get.find<HomeApi>();
    getPostData();
    getCommentData();

  }

  @override
  void onClose() {
    super.onClose();
    focusNode.value.dispose();
  }


  getPostData() async {
    try {
      final response = await _homeApi.userPagePostDetail(id: id);
      if (response.data.isSuccess && response.data.data != null) {
        item.value = response.data.data ?? Records();

        if(item.value.mediaUrls != null && item.value.mediaUrls != ""){
          imgList.value = item.value.mediaUrls!.split(",");
        }
      } else {

        // 响应失败，抛出异常
        throw Exception(response.data.message ?? '获取数据失败');
      }
    } catch(e){
      print('详情获取失败: $e');
      SmartDialog.showToast('详情获取失败');
      rethrow;

    }
  }

  getCommentData() async {
    try {
      final response = await _homeApi.userPagePostComment(
          postId: id,
        pageNum: page.value,
        pageSize: size.value
      );
      if (response.data.isSuccess && response.data.data != null) {
        final data = response.data.data?.records ?? [];

        commentList.addAll(data);

        if((data.length ?? 0) == size.value){

          listRefreshController.finishLoad(IndicatorResult.success);
        } else {
          listRefreshController.finishLoad(IndicatorResult.noMore);
        }

      } else {

        // 响应失败，抛出异常
        throw Exception(response.data.message ?? '获取数据失败');
      }
    } catch(e){
      print('详情获取失败: $e');
      SmartDialog.showToast('详情获取失败');
      rethrow;

    }
  }

  likePost() async {
    try {
      final response = await _homeApi.userLikePost({
        "id": id,
        "isLiked": !(item.value.isLiked ?? false),
      });
      if (response.data.isSuccess) {
        if(item.value.isLiked ?? false){
          SmartDialog.showToast('取消点赞成功');
        } else {
          SmartDialog.showToast('点赞成功');
        }
        getPostData();
      } else {

        // 响应失败，抛出异常
        throw Exception(response.data.message ?? '获取数据失败');
      }
    } catch(e){
      print('帖子发布失败: $e');
      SmartDialog.showToast('帖子发布失败');
      rethrow;

    }
  }

  sendComment() async {
    try {
      if(message.value == ""){
        SmartDialog.showToast('请输入评论');
        return;
      }
      final response = await _homeApi.userCreatePostComment({
        "postId": id,
        "parentId": parentId.value,
        "content": message.value,
      });
      if (response.data.isSuccess) {

        page.value = 1;
        commentList.clear();
        getPostData();
        getCommentData();
        showInput.value = false;

        FocusScope.of(Get.context!).unfocus();
        parentId.value = "0";

        message.value = "";
        messageController.value.value = TextEditingValue(
          text: message.value,
          selection: TextSelection.fromPosition(TextPosition(offset: message.value.length)),
        );
      } else {

        // 响应失败，抛出异常
        throw Exception(response.data.message ?? '获取数据失败');
      }
    } catch(e){
      print('帖子发布失败: $e');
      SmartDialog.showToast('帖子发布失败');
      rethrow;

    }
  }


  /// 构建输入框内容（文本+表情）
  List<Widget> buildInputContentWidgets() {
    final List<Widget> widgets = [];
    final text = item.value.content ?? "";
    final RegExp emojiRegex = RegExp(r'\[emoji:(\d+)\]');

    int lastMatchEnd = 0;
    final matches = emojiRegex.allMatches(text);

    for (final match in matches) {
      // 添加表情之前的文本
      if (match.start > lastMatchEnd) {
        final textPart = text.substring(lastMatchEnd, match.start);
        widgets.add(
          Text(
            textPart,
            style: TextStyle(fontSize: 14.sp, color: Colors.black),
          ),
        );
      }

      // 添加表情图片
      final emojiId = match.group(1);
      if (emojiId != null) {
        final emoji = EmojiConfig.getEmojiById(emojiId);
        if (emoji != null) {
          widgets.add(
            Padding(
              padding: EdgeInsets.symmetric(horizontal: 0),
              child: Image.asset(
                emoji.path,
                width: 24.w,
                height: 24.w,
                fit: BoxFit.contain,
              ),
            ),
          );
        }
      }

      lastMatchEnd = match.end;
    }

    // 添加剩余的文本
    if (lastMatchEnd < text.length) {
      final textPart = text.substring(lastMatchEnd);
      widgets.add(
        Text(
          textPart,
          style: TextStyle(fontSize: 14.sp, color: Colors.black),
        ),
      );
    }

    return widgets;
  }
}