import 'package:flutter/material.dart';
import 'package:queue_client/backend/DataManager.dart';
import 'package:queue_client/backend/DebugHelper.dart';
import 'package:queue_client/home.dart';

class ServiceInfoPage extends StatefulWidget {
  ServiceInfoPage({Key? key,required this.id, required this.tokenId}) : super(key: key);
  int id;
  int tokenId;
  @override
  State<ServiceInfoPage> createState() => _ServiceInfoPageState();
}

class _ServiceInfoPageState extends State<ServiceInfoPage> {
  @override
  Widget build(BuildContext context) {
    Map<String,dynamic> service = DataManager.instance().GetServiceFromID(widget.id);
    int hours = int.parse(service['duration'].toString().split(":")[0]);
    int mins = int.parse(service['duration'].toString().split(":")[1]);
    DateTime eta = DateTime.parse(service['start_time']).add(Duration(hours:  hours, minutes: mins) * widget.tokenId);

    Debug.Log(service);
    return Scaffold(
      appBar: AppBar(title: Text(service['name']),),
      body: Container(
        padding: EdgeInsets.all(20),
        child: Column(
          children: [
            Row(children: [
              Text("Starting Time : "),
              Text(dateTimeFormat.format(DateTime.parse(service['start_time'])))
            ],),
            Row(children: [
              Text("Ending Time : "),
              Text(dateTimeFormat.format(DateTime.parse(service['end_time'])))
            ],),
            Row(children: [
              Text("Session Duration : "),
              Text(service['duration'])
            ],),
            Row(children: [
              Text("Participants : "),
              Text((service['members'].toString().split(',').length-1).toString()),
            ],),
            SizedBox(height: 20,),
            widget.tokenId > 0 ?Column(
              children: [
                Text("Already Joined"),
                SizedBox(height: 20,),
                Text("Token Id : ${widget.tokenId}"),
                Text("ETA : ${dateTimeFormat.format(eta)}")
              ],
            ) :ElevatedButton(onPressed: () async{
              await DataManager.instance().JoinService(widget.id);
              setState(() {

              });
              Navigator.of(context).pop();
            }, child: Text("Join"))
          ],
        ),
      ),
    );
  }
}