import 'package:bubble/bubble.dart';
import 'package:flutter/material.dart';
import 'package:jiffy/jiffy.dart';
import 'package:marianum_mobile/api/marianumcloud/talk/chat/getChatResponse.dart';
import 'package:marianum_mobile/screen/pages/talk/chatMessage.dart';

import '../../../api/marianumcloud/talk/room/getRoomResponse.dart';
import '../../settings/debug/jsonViewer.dart';

class ChatBubble {
  static const styleSystem = BubbleStyle(
    color: Color(0xffd4eaf4),
    borderWidth: 1,
    elevation: 2,
    margin: BubbleEdges.only(bottom: 15),
    alignment: Alignment.center,
  );

  static BubbleStyle getStyleOther(bool seamless) {
    return BubbleStyle(
      nip: BubbleNip.leftTop,
      color: seamless ? Colors.transparent : Colors.white,
      borderWidth: seamless ? 0 : 1,
      elevation: seamless ? 0 : 1,
      margin: const BubbleEdges.only(bottom: 15, left: 10, right: 50),
      alignment: Alignment.topLeft,
    );
  }

  static BubbleStyle getStyleSelf(bool seamless) {
    return BubbleStyle(
      nip: BubbleNip.rightBottom,
      color: seamless ? Colors.transparent : const Color(0xffd9fdd3),
      borderWidth: seamless ? 0 : 1,
      elevation: seamless ? 0 : 1,
      margin: const BubbleEdges.only(bottom: 15, right: 10, left: 50),
      alignment: Alignment.topRight,
    );
  }

  BuildContext context;
  bool isSender;
  GetChatResponseObject bubbleData;
  GetRoomResponseObject chatData;
  late ChatMessage message;

  ChatBubble({
    required this.context,
    required this.isSender, 
    required this.bubbleData,
    required this.chatData,
  }) {
    message = ChatMessage(originalMessage: bubbleData.message, originalData: bubbleData.messageParameters);
  }

  BubbleStyle getStyle() {
    if(bubbleData.messageType == GetRoomResponseObjectMessageType.comment) {
      if(isSender) {
        return getStyleSelf(message.containsFile);
      } else {
        return getStyleOther(message.containsFile);
      }
    } else {
      return styleSystem;
    }
  }

  Widget generateBubble() {
    bool showActorDisplayName = bubbleData.messageType == GetRoomResponseObjectMessageType.comment && chatData.type != GetRoomResponseObjectConversationType.oneToOne;
    bool showBubbleTime = bubbleData.messageType != GetRoomResponseObjectMessageType.system;
    var actorTextStyle = TextStyle(color: Theme.of(context).primaryColor, fontWeight: FontWeight.bold);

    return GestureDetector(
      child: Bubble(

        style: getStyle(),
        child: Container(
          constraints: BoxConstraints(
            maxWidth: MediaQuery.of(context).size.width * 0.9,
            minWidth: showActorDisplayName ? _textSize(bubbleData.actorDisplayName, actorTextStyle).width : 30,
          ),
          child: Stack(
            children: [
              Padding(
                  padding: EdgeInsets.only(bottom: showBubbleTime ? 18 : 0, top: showActorDisplayName ? 18 : 0),
                  child: FutureBuilder(
                    future: message.getWidget(),
                    builder: (context, snapshot) {
                      if(!snapshot.hasData) return const CircularProgressIndicator();
                      return snapshot.data ?? const Icon(Icons.error);
                    },
                  )
              ),
              Visibility(
                visible: showActorDisplayName,
                child: Positioned(
                  top: 0,
                  left: 0,
                  child: Text(
                    bubbleData.actorDisplayName,
                    textAlign: TextAlign.start,
                    style: actorTextStyle,
                  ),
                ),
              ),
              Visibility(
                visible: showBubbleTime,
                child: Positioned(
                  bottom: 0,
                  right: 0,
                  child: Text(
                    Jiffy.unixFromSecondsSinceEpoch(bubbleData.timestamp).format("HH:mm"),
                    textAlign: TextAlign.end,
                    style: const TextStyle(color: Colors.grey, fontSize: 12),
                  ),
                ),
              ),
            ],
          ),
        ),
      ),
      onLongPress: () {
        showDialog(context: context, builder: (context) {
          return SimpleDialog(
            children: [
              ListTile(
                leading: Icon(Icons.copy),
                title: Text("Nachricht kopieren"),
              ),
              ListTile(
                leading: Icon(Icons.person),
                title: Text("Zu '${bubbleData.actorDisplayName}' wechseln"),
              ),
              ListTile(
                leading: Icon(Icons.bug_report_outlined),
                title: Text("Debugdaten anzeigen"),
                onTap: () => JsonViewer.asDialog(context, bubbleData.toJson()),
              )
            ],
          );
        });
      },
    );
  }


  Size _textSize(String text, TextStyle style) {
    final TextPainter textPainter = TextPainter(
        text: TextSpan(text: text, style: style),
        maxLines: 1,
        textDirection: TextDirection.ltr)
      ..layout(minWidth: 0, maxWidth: double.infinity);
    return textPainter.size;
  }
}