pharmacy/lib/chatview.dart

import 'dart:convert';

import 'package:flutter/material.dart';
import 'package:healthcare_pharmacy/models/chatconversation_model.dart';
import 'package:healthcare_pharmacy/settings.dart';
import 'ChatMessage.dart';

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

  @override
  State<ChatUIconvoid> createState() => _ChatUIconvoidState();
}

class _ChatUIconvoidState extends State<ChatUIconvoid> {

  TextEditingController _messageController = TextEditingController();
  bool isLoading=false;
  List<GetCoversatitonIdModel> chatCoversatitonIdList = [];
  List<ChatMessage> messages = [
    ChatMessage(message: "Hello", type: "receiver"),
    ChatMessage(message: "How have you?", type: "receiver"),
    ChatMessage(
        message: "I am doing fine.How have you?",
        type: "sender"),

  ];

  @override
  void initState() {
    // TODO: implement initState
    isLoading=true;
    getConversasionId();
    super.initState();
  }
  Future<void> getConversasionId() async {
    isLoading = true;
    try {
      var response = await AppSettings.getChatId();
      setState(() {
        chatCoversatitonIdList =
            ((jsonDecode(response)['newConversation']) as List).map((dynamic model) {
              return GetCoversatitonIdModel.fromJson(model);
            }).toList();

        // Extracting the conversation_id from the response
        String conversationId =
        jsonDecode(response)['newConversation']['conversation_id'];

        // Use the conversationId as needed in your code
        print('Conversation ID: $conversationId');

        isLoading = false;
        isLoading = false;
      });


    } catch (e) {
      setState(() {
        isLoading = false;
      });
    }
  }
  @override
  Widget build(BuildContext context) {
    return Scaffold(
        appBar: AppBar(
          elevation: 0,
          automaticallyImplyLeading: false,
          backgroundColor: Colors.white,
          flexibleSpace: SafeArea(
            child: Container(
              padding: EdgeInsets.only(right: 16),
              child: Row(
                children: <Widget>[
                  IconButton(
                    onPressed: (){
                      Navigator.pop(context);
                    },
                    icon: Icon(Icons.arrow_back,color: Colors.black,),
                  ),
                  SizedBox(width: 2,),
                  CircleAvatar(
                    backgroundImage: NetworkImage("https://www.shutterstock.com/image-photo/pharmacist-holding-medicine-box-capsule-260nw-717437125.jpg"),
                    maxRadius: 20,
                  ),
                  SizedBox(width: 12,),
                  Expanded(
                    child: Column(
                      crossAxisAlignment: CrossAxisAlignment.start,
                      mainAxisAlignment: MainAxisAlignment.center,
                      children: <Widget>[
                        Text("Arminta pharma",style: TextStyle( fontSize: 16 ,fontWeight: FontWeight.w600),),
                        // SizedBox(height: 6,),
                        // Text("Online",style: TextStyle(color: Colors.grey.shade600, fontSize: 13),),
                      ],
                    ),
                  ),
                  Icon(Icons.settings,color: Colors.black54,),
                ],
              ),
            ),
          ),
        ),
        body: Stack(
          children: <Widget>[
            ListView.builder(
              itemCount: messages.length,
              shrinkWrap: true,
              padding: EdgeInsets.only(top: 10,bottom: 60),
              itemBuilder: (context, index){
                return Container(
                  padding: EdgeInsets.only(left: 14,right: 14,top: 10,bottom: 10),
                  child: Align(
                    alignment: (messages[index].type == "receiver"?Alignment.topLeft:Alignment.topRight),
                    child: Container(
                      decoration: BoxDecoration(
                        borderRadius: BorderRadius.circular(20),
                        color: (messages[index].type  == "receiver"?Colors.grey.shade200:Colors.blue[200]),
                      ),
                      padding: EdgeInsets.symmetric(horizontal: 16,vertical: 10),
                      child: Text(messages[index].message, style: TextStyle(fontSize: 15),),
                    ),
                  ),
                );
              },
            ),
            Align(
              alignment: Alignment.bottomLeft,
              child: Container(
                padding: EdgeInsets.only(left: 10, bottom: 10, top: 10),
                height: 60,
                width: double.infinity,
                color: Colors.white,
                child: Row(
                  children: <Widget>[
                    GestureDetector(
                      onTap: () {},
                      child: Container(
                        height: 30,
                        width: 30,
                        decoration: BoxDecoration(
                          color: Colors.lightBlue,
                          borderRadius: BorderRadius.circular(30),
                        ),
                        child: Icon(
                          Icons.add,
                          color: Colors.white,
                          size: 20,
                        ),
                      ),
                    ),
                    SizedBox(
                      width: 15,
                    ),
                    Expanded(
                      child: TextField(
                        controller: _messageController,
                        decoration: InputDecoration(
                            hintText: "Write message...",
                            hintStyle: TextStyle(color: Colors.black54),
                            border: InputBorder.none),
                      ),
                    ),
                    SizedBox(
                      width: 15,
                    ),
                    FloatingActionButton(
                      onPressed: () {
                        String newMessage = _messageController.text;
                        if (newMessage.isNotEmpty) {
                          // Add the new message to the list
                          setState(() {
                            messages.add(
                              ChatMessage(
                                message: newMessage,
                                type: "sender",
                              ),
                            );
                          });

                          // Clear the text field
                          _messageController.clear();
                        }
                      },
                      child: Icon(
                        Icons.send,
                        color: Colors.white,
                        size: 18,
                      ),
                      backgroundColor: Colors.blue,
                      elevation: 0,
                    ),
                  ],
                ),
              ),
            ),
          ],
        ));
  }
}