import 'package:flutter/material.dart';
import 'package:fluttertoast/fluttertoast.dart';
import 'package:provider/provider.dart';
import 'package:test_sa/controllers/api_routes/http_status_manger.dart';
import 'package:test_sa/controllers/localization/localization.dart';
import 'package:test_sa/controllers/providers/api/gas_refill_provider.dart';
import 'package:test_sa/controllers/providers/api/user_provider.dart';
import 'package:test_sa/controllers/providers/settings/setting_provider.dart';
import 'package:test_sa/models/enums/user_types.dart';
import 'package:test_sa/models/gas_refill/gas_refill_model.dart';
import 'package:test_sa/models/subtitle.dart';
import 'package:test_sa/views/app_style/sizing.dart';
import 'package:test_sa/views/widgets/buttons/app_back_button.dart';
import 'package:test_sa/views/widgets/buttons/app_button.dart';
import 'package:test_sa/views/widgets/buttons/app_icon_button.dart';
import 'package:test_sa/views/widgets/gas_refill/gas_refill_create_details_item.dart';
import 'package:test_sa/views/widgets/gas_refill/gas_refill_update_details_item.dart';
import 'package:test_sa/views/widgets/loaders/loading_manager.dart';
import 'package:test_sa/views/widgets/requests/info_row.dart';
import 'package:test_sa/views/widgets/requests/request_status.dart';
import 'package:test_sa/views/widgets/status/gas_refill/gas_status.dart';
import 'package:test_sa/views/widgets/titles/app_sub_title.dart';

import '../../../app_style/colors.dart';
class GasRefillDetails extends StatefulWidget {
  final GasRefillModel model;
  const GasRefillDetails({Key key, this.model}) : super(key: key);

  @override
  State<GasRefillDetails> createState() => _GasRefillDetailsState();
}

class _GasRefillDetailsState extends State<GasRefillDetails> {

  final GasRefillModel _model = GasRefillModel();
  bool _enableEdit = false;
  bool _validate = false;
  UserProvider _userProvider;
  SettingProvider _settingProvider;
  GasRefillProvider _gasRefillProvider;
  bool _isLoading = false;
  Subtitle _subtitle;
  final GlobalKey<FormState> _formKey = GlobalKey<FormState>();
  final GlobalKey<ScaffoldState> _scaffoldKey = GlobalKey<ScaffoldState>();
  _update() async {
    _validate = true;
    if(!_formKey.currentState.validate()){
      setState(() {});
      return false;
    }
    _formKey.currentState.save();

    _isLoading =true;
    setState(() {});
    int status = await _gasRefillProvider.updateModel(
      user: _userProvider.user,
      host: _settingProvider.host,
      newModel: _model,
      oldModel: widget.model
    );
    _isLoading =false;
    setState(() {});
    if(status >= 200 && status < 300){
      Fluttertoast.showToast(
        msg: _subtitle.requestCompleteSuccessfully,
      );
      _enableEdit = false;
      _validate = false;
      //Navigator.of(context).pop();
    }else{
      String errorMessage = HttpStatusManger.getStatusMessage(
          status: status, subtitle: _subtitle);
      ScaffoldMessenger.of(context).showSnackBar(
          SnackBar(
            content: Text(
                errorMessage
            ),
          )
      );
    }
  }

  @override
  void initState() {
    _model.fromGasRefillModel(widget.model);
    super.initState();
  }

  @override
  Widget build(BuildContext context) {
    _subtitle = AppLocalization.of(context).subtitle;
    _userProvider = Provider.of<UserProvider>(context);
    _settingProvider = Provider.of<SettingProvider>(context);
    _gasRefillProvider = Provider.of<GasRefillProvider>(context);
    return Scaffold(
      key: _scaffoldKey,
      body: SafeArea(
        child: Form(
          key: _formKey,
          child: LoadingManager(
            isLoading: _isLoading,
            isFailedLoading: false,
            stateCode: 200,
            onRefresh: () async {},
            child: Column(
              children: [
                Container(
                  color: Theme.of(context).colorScheme.primary,
                  padding: const EdgeInsets.symmetric(horizontal: 0,vertical: 4),
                  child: Row(
                    children: [
                      const ABackButton(),
                      Expanded(
                        child: Center(
                          child: Text(
                            _subtitle.details,
                            style: Theme.of(context).textTheme.headline6.copyWith(
                                color: AColors.white,
                                fontStyle: FontStyle.italic
                            ),
                          ),
                        ),
                      ),
                      if(_userProvider.user.type == UsersTypes.engineer)
                      AIconButton(
                        iconData: _enableEdit ? Icons.cancel : Icons.edit,
                        color: Theme.of(context).colorScheme.onPrimary,
                        buttonSize: 42,
                        backgroundColor: AColors.green,
                        onPressed: () async {
                          _enableEdit = !_enableEdit;
                          _model.fromGasRefillModel(widget.model);
                          setState(() {});
                        },
                      ),
                      const SizedBox(width: 16,)
                    ],
                  ),
                ),
                Expanded(
                  child: SingleChildScrollView(
                    padding: EdgeInsets.all(16*AppStyle.getScaleFactor(context)),
                    child: Column(
                      crossAxisAlignment: CrossAxisAlignment.start,
                      children: [
                        RequestInfoRow(
                          title: _subtitle.title,
                          info: _model.title,
                        ),
                        RequestInfoRow(
                          title: _subtitle.hospital,
                          info: _model.clientName,
                        ),
                        _enableEdit ?
                        Column(
                          crossAxisAlignment: CrossAxisAlignment.start,
                          children: [
                            const SizedBox(height: 8,),
                            ASubTitle(_subtitle.status),
                            if(_validate && _model.status == null)
                              ASubTitle(_subtitle.requiredWord,color: Colors.red,),
                            const SizedBox(height: 4,),
                            GasStatusMenu(
                              initialValue: _model.status,
                              onSelect: (status){
                                _model.status = status;
                              },
                            )
                          ],
                        ):
                        Row(
                          children: [
                            Expanded(
                              child: Text(
                                "${_subtitle.status} :  ",
                                style: Theme.of(context).textTheme.subtitle2,
                                textScaleFactor: AppStyle.getScaleFactor(context),
                              ),
                            ),
                            if(_model.status?.id != null)
                            StatusLabel(label: _model.status.name,
                                color: AColors.getGasStatusColor(_model.status.id)
                            ),
                          ],
                        ),
                        const SizedBox(height: 8,),
                        const ASubTitle("Gas Requests"),
                        const SizedBox(height: 8,),
                        ListView.builder(
                            shrinkWrap: true,
                            physics: const ClampingScrollPhysics(),
                            itemCount: _model.details.length,
                            itemBuilder: (context,index){
                              final details = _model.details[index];
                              return GasRefillUpdateDetailsItem(
                                details: details,
                                validate: _validate,
                                enableEdit: _enableEdit,
                              );
                            }
                        ),
                        if(_enableEdit)
                        Column(
                          children: [
                            const SizedBox(height: 16,),
                            AButton(
                              text: _subtitle.update,
                              onPressed: _update,
                            ),
                          ],
                        ),
                      ],
                    ),
                  ),
                ),
              ],
            ),
          ),
        ),
      ),
    );
  }
}