import 'package:flutter/foundation.dart';
import 'package:flutter/material.dart';
import 'package:flutter_redux/flutter_redux.dart';
import 'package:invoiceninja_flutter/data/models/models.dart';
import 'package:invoiceninja_flutter/redux/app/app_actions.dart';
import 'package:invoiceninja_flutter/redux/app/app_state.dart';
import 'package:invoiceninja_flutter/redux/client/client_actions.dart';
import 'package:invoiceninja_flutter/ui/app/buttons/bottom_buttons.dart';
import 'package:invoiceninja_flutter/ui/app/view_scaffold.dart';
import 'package:invoiceninja_flutter/ui/client/view/client_view_activity.dart';
import 'package:invoiceninja_flutter/ui/client/view/client_view_details.dart';
import 'package:invoiceninja_flutter/ui/client/view/client_view_documents.dart';
import 'package:invoiceninja_flutter/ui/client/view/client_view_ledger.dart';
import 'package:invoiceninja_flutter/ui/client/view/client_view_system_logs.dart';
import 'package:invoiceninja_flutter/ui/client/view/client_view_vm.dart';
import 'package:invoiceninja_flutter/ui/client/view/client_view_overview.dart';
import 'package:invoiceninja_flutter/utils/localization.dart';

class ClientView extends StatefulWidget {
  const ClientView({
    Key key,
    @required this.viewModel,
    @required this.isFilter,
    @required this.tabIndex,
  }) : super(key: key);

  final ClientViewVM viewModel;
  final bool isFilter;
  final int tabIndex;

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

class _ClientViewState extends State<ClientView>
    with SingleTickerProviderStateMixin {
  TabController _controller;

  @override
  void initState() {
    super.initState();

    final state = widget.viewModel.state;
    _controller = TabController(
        vsync: this,
        length: 6,
        initialIndex: widget.isFilter ? 0 : state.clientUIState.tabIndex);
    _controller.addListener(_onTabChanged);
  }

  void _onTabChanged() {
    if (widget.isFilter) {
      return;
    }

    final store = StoreProvider.of<AppState>(context);
    store.dispatch(UpdateClientTab(tabIndex: _controller.index));
  }

  @override
  void didUpdateWidget(oldWidget) {
    super.didUpdateWidget(oldWidget);

    if (oldWidget.tabIndex != widget.tabIndex) {
      _controller.index = widget.tabIndex;
    }
  }

  @override
  void dispose() {
    _controller.removeListener(_onTabChanged);
    _controller.dispose();
    super.dispose();
  }

  @override
  Widget build(BuildContext context) {
    final localization = AppLocalization.of(context);
    final store = StoreProvider.of<AppState>(context);
    final viewModel = widget.viewModel;
    final client = viewModel.client;
    final documents = client.documents;
    final userCompany = viewModel.state.userCompany;

    return ViewScaffold(
      isFilter: widget.isFilter,
      entity: client,
      appBarBottom: TabBar(
        controller: _controller,
        isScrollable: true,
        tabs: [
          Tab(
            text: localization.overview,
          ),
          Tab(
            text: localization.details,
          ),
          Tab(
            text: documents.isEmpty
                ? localization.documents
                : '${localization.documents} (${documents.length})',
          ),
          Tab(
            text: localization.ledger,
          ),
          Tab(
            text: localization.activity,
          ),
          Tab(
            text: localization.systemLogs,
          ),
        ],
      ),
      body: Builder(builder: (context) {
        return Column(
          children: <Widget>[
            Expanded(
              child: TabBarView(
                controller: _controller,
                children: <Widget>[
                  RefreshIndicator(
                    onRefresh: () => viewModel.onRefreshed(context),
                    child: ClientOverview(
                      viewModel: viewModel,
                      isFilter: widget.isFilter,
                    ),
                  ),
                  RefreshIndicator(
                    onRefresh: () => viewModel.onRefreshed(context),
                    child: ClientViewDetails(client: viewModel.client),
                  ),
                  RefreshIndicator(
                    onRefresh: () => viewModel.onRefreshed(context),
                    child: ClientViewDocuments(
                      viewModel: viewModel,
                      key: ValueKey(viewModel.client.id),
                    ),
                  ),
                  RefreshIndicator(
                    onRefresh: () => viewModel.onRefreshed(context),
                    child: ClientViewLedger(
                      viewModel: viewModel,
                      key: ValueKey(viewModel.client.id),
                    ),
                  ),
                  RefreshIndicator(
                    onRefresh: () => viewModel.onRefreshed(context),
                    child: ClientViewActivity(
                      viewModel: viewModel,
                      key: ValueKey(viewModel.client.id),
                    ),
                  ),
                  RefreshIndicator(
                    onRefresh: () => viewModel.onRefreshed(context),
                    child: ClientViewSystemLogs(
                      viewModel: viewModel,
                      key: ValueKey(viewModel.client.id),
                    ),
                  ),
                ],
              ),
            ),
            BottomButtons(
              entity: client,
              action1: EntityAction.settings,
              action2: EntityAction.newInvoice,
            ),
          ],
        );
      }),
      floatingActionButton: FloatingActionButton(
        heroTag: 'client_view_fab',
        backgroundColor: Theme.of(context).primaryColorDark,
        onPressed: () {
          showDialog<SimpleDialog>(
            context: context,
            builder: (BuildContext context) => SimpleDialog(children: <Widget>[
              userCompany.canViewOrCreate(EntityType.client)
                  ? ListTile(
                      //dense: true,
                      leading: Icon(Icons.add_circle_outline),
                      title: Text(localization.invoice),
                      onTap: () {
                        Navigator.of(context).pop();
                        handleClientAction(
                            context, [client], EntityAction.newInvoice);
                      },
                    )
                  : Container(),
              userCompany.canViewOrCreate(EntityType.payment)
                  ? ListTile(
                      //dense: true,
                      leading: Icon(Icons.add_circle_outline),
                      title: Text(localization.payment),
                      onTap: () {
                        Navigator.of(context).pop();
                        handleClientAction(
                            context, [client], EntityAction.newPayment);
                      },
                    )
                  : Container(),
              userCompany.canViewOrCreate(EntityType.quote)
                  ? ListTile(
                      //dense: true,
                      leading: Icon(Icons.add_circle_outline),
                      title: Text(localization.quote),
                      onTap: () {
                        Navigator.of(context).pop();
                        handleClientAction(
                            context, [client], EntityAction.newQuote);
                      },
                    )
                  : Container(),
              userCompany.canViewOrCreate(EntityType.project)
                  ? ListTile(
                      //dense: true,
                      leading: Icon(Icons.add_circle_outline),
                      title: Text(localization.project),
                      onTap: () {
                        Navigator.of(context).pop();
                        handleClientAction(
                            context, [client], EntityAction.newProject);
                      },
                    )
                  : Container(),
              userCompany.canViewOrCreate(EntityType.task)
                  ? ListTile(
                      //dense: true,
                      leading: Icon(Icons.add_circle_outline),
                      title: Text(localization.task),
                      onTap: () {
                        Navigator.of(context).pop();
                        handleClientAction(
                            context, [client], EntityAction.newTask);
                      },
                    )
                  : Container(),
              userCompany.canViewOrCreate(EntityType.expense)
                  ? ListTile(
                      //dense: true,
                      leading: Icon(Icons.add_circle_outline),
                      title: Text(localization.expense),
                      onTap: () {
                        Navigator.of(context).pop();
                        createEntity(
                            context: context,
                            entity: ExpenseEntity(
                              state: store.state,
                              client: client,
                            ));
                      },
                    )
                  : Container(),
            ]),
          );
        },
        child: Icon(
          Icons.add,
          color: Colors.white,
        ),
        tooltip: localization.create,
      ),
    );
  }
}