import 'package:flutter/material.dart';
import 'package:touch_demonstrator/pages/SideBarContent.dart';

class LeftDrawer extends StatelessWidget {
  static const htmlPrivacyNotes = 'assets/html/privacy_notice.html';
  static const htmlImprint = 'assets/html/imprint.html';
  static const htmlTermsOfUse = 'assets/html/terms_of_use.html';
  static const htmlDisclaimer = 'assets/html/disclaimer.html';
  static const headerText = Text(
    'Touch Demonstrator App',
    textScaleFactor: 1.5,
    style: TextStyle(color: Colors.white),
  );

  DrawerHeader _buildHeader(BuildContext context) {
    return DrawerHeader(
      key: Key('DrawerHeader'),
      child: headerText,
      decoration: BoxDecoration(color: Theme.of(context).primaryColor),
    );
  }

  ListTile _buildTile(BuildContext context, String title, String html) {
    return ListTile(
      key: Key(title),
      title: Text(title),
      onTap: () {
        Navigator.pop(context);
        Navigator.push(
            context,
            MaterialPageRoute(
                builder: (BuildContext context) =>
                    SideBarContent(title: title, html: html)));
      },
    );
  }

  @override
  Widget build(BuildContext context) {
    return Drawer(
      key: Key('Drawer'),
      child: ListView(
        padding: EdgeInsets.zero,
        children: <Widget>[
          _buildHeader(context),
          _buildTile(context, 'Privacy Notes', htmlPrivacyNotes),
          _buildTile(context, 'Imprint', htmlImprint),
          _buildTile(context, 'Terms of Use', htmlTermsOfUse),
          _buildTile(context, 'Disclaimer', htmlDisclaimer),
        ],
      ),
    );
  }
}