import 'package:flutter/foundation.dart';
import 'package:flutter/material.dart';
import 'package:font_awesome_flutter/font_awesome_flutter.dart';
import 'package:invoiceninja_flutter/constants.dart';
import 'package:invoiceninja_flutter/data/models/entities.dart';
import 'package:invoiceninja_flutter/ui/app/form_card.dart';
import 'package:invoiceninja_flutter/ui/app/forms/app_form.dart';
import 'package:invoiceninja_flutter/ui/app/forms/bool_dropdown_button.dart';
import 'package:invoiceninja_flutter/ui/app/forms/decorated_form_field.dart';
import 'package:invoiceninja_flutter/ui/settings/client_portal_vm.dart';
import 'package:invoiceninja_flutter/ui/settings/settings_scaffold.dart';
import 'package:invoiceninja_flutter/utils/completers.dart';
import 'package:invoiceninja_flutter/utils/icons.dart';
import 'package:invoiceninja_flutter/utils/localization.dart';
import 'package:invoiceninja_flutter/utils/platforms.dart';

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

  final ClientPortalVM viewModel;

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

class _ClientPortalState extends State<ClientPortal>
    with SingleTickerProviderStateMixin {
  static final GlobalKey<FormState> _formKey = GlobalKey<FormState>();
  final _debouncer = Debouncer();
  final FocusScopeNode _focusNode = FocusScopeNode();
  TabController _controller;

  bool autoValidate = false;

  final _subdomainController = TextEditingController();
  final _domainController = TextEditingController();
  final _iFrameController = TextEditingController();
  final _customCssController = TextEditingController();
  final _customJavaScriptController = TextEditingController();

  List<TextEditingController> _controllers = [];

  @override
  void initState() {
    super.initState();
    _controller = TabController(vsync: this, length: 4);
  }

  @override
  void dispose() {
    _controller.dispose();
    _controllers.forEach((dynamic controller) {
      controller.removeListener(_onChanged);
      controller.dispose();
    });
    super.dispose();
  }

  @override
  void didChangeDependencies() {
    _controllers = [
      _subdomainController,
      _domainController,
      _iFrameController,
      _customCssController,
      _customJavaScriptController,
    ];

    _controllers
        .forEach((dynamic controller) => controller.removeListener(_onChanged));

    /*
    final product = widget.viewModel.product;
    _productKeyController.text = product.productKey;
      */

    _controllers
        .forEach((dynamic controller) => controller.addListener(_onChanged));

    super.didChangeDependencies();
  }

  void _onChanged() {
    /*
    final product = widget.viewModel.product.rebuild((b) => b
      ..customValue2 = _custom2Controller.text.trim());
    if (product != widget.viewModel.product) {
      widget.viewModel.onChanged(product);
    }
    */
  }

  @override
  Widget build(BuildContext context) {
    final localization = AppLocalization.of(context);
    final viewModel = widget.viewModel;
    final state = viewModel.state;
    final company = viewModel.company;
    final settings = viewModel.settings;

    return SettingsScaffold(
      title: localization.clientPortal,
      onSavePressed: viewModel.onSavePressed,
      appBarBottom: TabBar(
        key: ValueKey(state.settingsUIState.updatedAt),
        controller: _controller,
        tabs: [
          Tab(
            text: localization.settings,
          ),
          Tab(
            text: localization.authorization,
          ),
          Tab(
            text: localization.messages,
          ),
          Tab(
            text: localization.customize,
          ),
        ],
      ),
      body: AppTabForm(
        tabController: _controller,
        formKey: _formKey,
        focusNode: _focusNode,
        children: <Widget>[
          ListView(
            children: <Widget>[
              if (!state.settingsUIState.isFiltered)
                FormCard(
                  children: <Widget>[
                    InputDecorator(
                      decoration: InputDecoration(
                        labelText: localization.portalMode,
                      ),
                      //isEmpty: false,
                      child: DropdownButtonHideUnderline(
                        child: DropdownButton<String>(
                            value: viewModel.company.portalMode,
                            isExpanded: true,
                            isDense: true,
                            onChanged: (value) => viewModel.onCompanyChanged(
                                viewModel.company
                                    .rebuild((b) => b..portalMode = value)),
                            items: [
                              DropdownMenuItem(
                                child: Text(localization.subdomain),
                                value: kClientPortalModeSubdomain,
                              ),
                              if (company.isEnterprisePlan)
                                DropdownMenuItem(
                                  child: Text(localization.domain),
                                  value: kClientPortalModeDomain,
                                ),
                              DropdownMenuItem(
                                child: Text('iFrame'),
                                value: kClientPortalModeIFrame,
                              ),
                            ]),
                      ),
                    ),
                    DecoratedFormField(
                      label: localization.subdomain,
                      controller: _subdomainController,
                    ),
                    if (company.portalMode == kClientPortalModeDomain &&
                        company.isEnterprisePlan)
                      DecoratedFormField(
                        label: localization.domain,
                        controller: _domainController,
                        keyboardType: TextInputType.url,
                      ),
                    if (company.portalMode == kClientPortalModeIFrame)
                      DecoratedFormField(
                        label: 'iFrame',
                        controller: _iFrameController,
                        keyboardType: TextInputType.url,
                      ),
                  ],
                ),
              FormCard(
                children: <Widget>[
                  BoolDropdownButton(
                    label: localization.clientPortal,
                    value: false,
                    showBlank: state.settingsUIState.isFiltered,
                    iconData: FontAwesomeIcons.cloud,
                    onChanged: (value) => null,
                  ),
                  BoolDropdownButton(
                    label: localization.dashboard,
                    value: false,
                    showBlank: state.settingsUIState.isFiltered,
                    iconData: FontAwesomeIcons.tachometerAlt,
                    onChanged: (value) => null,
                  ),
                  BoolDropdownButton(
                    label: localization.tasks,
                    value: settings.showTasksInPortal,
                    showBlank: state.settingsUIState.isFiltered,
                    iconData: getEntityIcon(EntityType.task),
                    onChanged: (value) => viewModel.onSettingsChanged(
                        settings.rebuild((b) => b..showTasksInPortal = value)),
                  ),
                ],
              ),
            ],
          ),
          ListView(
            children: <Widget>[
              FormCard(
                children: <Widget>[
                  BoolDropdownButton(
                    label: localization.enablePortalPassword,
                    helpLabel: localization.enablePortalPasswordHelp,
                    value: settings.enablePortalPassword,
                    showBlank: state.settingsUIState.isFiltered,
                    iconData: FontAwesomeIcons.shieldAlt,
                    onChanged: (value) => viewModel.onSettingsChanged(settings
                        .rebuild((b) => b..enablePortalPassword = value)),
                  ),
                  BoolDropdownButton(
                    label: localization.sendPortalPassword,
                    helpLabel: localization.sendPortalPasswordHelp,
                    showBlank: state.settingsUIState.isFiltered,
                    iconData: FontAwesomeIcons.solidEnvelope,
                    value: settings.sendPortalPassword,
                    onChanged: (value) => viewModel.onSettingsChanged(
                        settings.rebuild((b) => b..sendPortalPassword = value)),
                  ),
                ],
              ),
              FormCard(
                children: <Widget>[
                  BoolDropdownButton(
                    label: localization.showAcceptInvoiceTerms,
                    helpLabel: localization.showAcceptInvoiceTermsHelp,
                    value: settings.showAcceptInvoiceTerms,
                    showBlank: state.settingsUIState.isFiltered,
                    iconData: FontAwesomeIcons.checkSquare,
                    onChanged: (value) => viewModel.onSettingsChanged(settings
                        .rebuild((b) => b..showAcceptInvoiceTerms = value)),
                  ),
                  BoolDropdownButton(
                    label: localization.showAcceptQuoteTerms,
                    helpLabel: localization.showAcceptQuoteTermsHelp,
                    value: settings.showAcceptQuoteTerms,
                    showBlank: state.settingsUIState.isFiltered,
                    iconData: FontAwesomeIcons.checkSquare,
                    onChanged: (value) => viewModel.onSettingsChanged(settings
                        .rebuild((b) => b..showAcceptQuoteTerms = value)),
                  ),
                ],
              ),
              FormCard(
                children: <Widget>[
                  BoolDropdownButton(
                    label: localization.requireInvoiceSignature,
                    helpLabel: localization.requireInvoiceSignatureHelp,
                    value: settings.requireInvoiceSignature,
                    showBlank: state.settingsUIState.isFiltered,
                    iconData: FontAwesomeIcons.fileSignature,
                    onChanged: (value) => viewModel.onSettingsChanged(settings
                        .rebuild((b) => b..requireInvoiceSignature = value)),
                  ),
                  BoolDropdownButton(
                    label: localization.requireQuoteSignature,
                    helpLabel: localization.requireInvoiceSignatureHelp,
                    value: settings.requireQuoteSignature,
                    showBlank: state.settingsUIState.isFiltered,
                    iconData: FontAwesomeIcons.fileSignature,
                    onChanged: (value) => viewModel.onSettingsChanged(settings
                        .rebuild((b) => b..requireQuoteSignature = value)),
                  ),
                  BoolDropdownButton(
                    label: localization.signatureOnPdf,
                    helpLabel: localization.signatureOnPdfHelp,
                    value: settings.signatureOnPdf,
                    showBlank: state.settingsUIState.isFiltered,
                    iconData: FontAwesomeIcons.fileContract,
                    onChanged: (value) => viewModel.onSettingsChanged(
                        settings.rebuild((b) => b..signatureOnPdf = value)),
                  ),
                ],
              ),
            ],
          ),
          ListView(
            children: <Widget>[
              // TODO implement fields
            ],
          ),
          ListView(
            children: <Widget>[
              FormCard(
                children: <Widget>[
                  DecoratedFormField(
                    label: localization.customCss,
                    controller: _customCssController,
                    maxLines: 8,
                  ),
                  if (isSelfHosted(context))
                    DecoratedFormField(
                      label: localization.customJavascript,
                      controller: _customJavaScriptController,
                      maxLines: 8,
                    ),
                ],
              )
            ],
          ),
        ],
      ),
    );
  }
}