//import 'dart:io';
//import 'dart:convert';
import 'package:flutter/material.dart';
import 'package:shared_preferences/shared_preferences.dart';
import  '../matrix/cs-r0.5.0';

class RoomPage extends StatefulWidget {
  final String roomid;
  final String roomname;
  final SharedPreferences settings;
  RoomPage({Key key, @required this.settings, @required this.roomid, @required this.roomname}) : super(key: key);

  @override
  _RoomPageState createState() => _RoomPageState();
}

class _RoomPageState extends State<RoomPage> {
  List<Widget> _messages = List<Widget>();

  final _inputController = TextEditingController();

  void initState() {
    _messages = [ ];
    _updateMessages();
    super.initState();
  }

  void _sendMessage(@required String str) {
    var set = widget.settings;
    Matrix.sendMessage(uri: Uri.parse(set.getString("home_server")), accessToken: set.getString("access_token"), roomid: widget.roomid, message: str);
    _inputController.text = "";
    _updateMessages();
  }

  void _updateMessages() {
    var set = widget.settings;
    var cont = Matrix.roomsync(uri: Uri.parse(set.getString("home_server")), roomid: widget.roomid, accessToken: set.getString("access_token")).then((cont) {
      List<Widget> messages = [ ];
      for (var neko in cont) {
        if (neko["type"] == "m.room.message") {
          if (neko["content"]["msgtype"] == "m.text") {
            messages.add(
              ListTile(
                title: Column(
                  children: <Widget>[
                    Row( children: <Widget>[ Text(neko["sender"], style: TextStyle(fontWeight: FontWeight.bold), textAlign: TextAlign.start), Spacer()]),
                    Row( children: <Widget>[ Expanded(child: Text(neko["content"]["body"], textAlign: TextAlign.start))]),
                  ]
                ),
              ),
            );
          } else if (neko["content"]["msgtype"] == "m.notice") {
            messages.add(
              ListTile(
                title: Column(
                  children: <Widget>[
                    Text(neko["sender"], textAlign: TextAlign.center),
                    Text(neko["content"]["body"], textAlign: TextAlign.center),
                  ]
                ),
              ),
            );
          } else if (neko["content"]["msgtype"] == "m.emote") {
            messages.add(
              ListTile(
                title: Column(
                  children: <Widget>[
                    Row( children: <Widget> [
                      Text(neko["sender"], style: TextStyle(fontStyle: FontStyle.italic, fontWeight: FontWeight.bold), textAlign: TextAlign.left)
                    ]),
                    Row( children: <Widget> [
                      Text(neko["content"]["body"], style: TextStyle(fontStyle: FontStyle.italic), textAlign: TextAlign.left),
                    ]),
                  ]
                ),
              ),
            );
          }
        }
      }
      setState(() {
        _messages= messages;
      });
    });
  }

  @override
  Widget build(BuildContext context) {
    return Scaffold(
      appBar: AppBar(
        title: Text(widget.roomname),
        actions: <Widget>[
          IconButton(
            icon: Icon(Icons.autorenew, color: Colors.purple),
            onPressed: () {
              _updateMessages();
            }
          )
        ]
      ),
      body: Column(
        crossAxisAlignment: CrossAxisAlignment.start,
        children: <Widget>[
          Expanded(
            child: ListView(
              children: _messages
            ),
          ),
          Row(
            children: [
              Expanded(
                child: TextField(
                  onSubmitted: _sendMessage,
                  controller: _inputController,
                  minLines: 1,
                  maxLines: 4
                ),
              ),
              IconButton(
                icon: Icon(Icons.send),
                color: Colors.pink,
                onPressed: () { _sendMessage(_inputController.text); }
              ),
            ]
          ),
        ],
      ),
    );
  }
}