/*
 * Copyright (C) 2017, David PHAM-VAN <dev.nfet.net@gmail.com>
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

import 'dart:convert';
import 'dart:io';

import 'package:pdf/pdf.dart';
import 'package:pdf/widgets.dart';
import 'package:test/test.dart';

void main() {
  test('Pdf', () {
    Document.debug = true;

    final Document pdf = Document();

    final TextStyle symbol = TextStyle(font: Font.zapfDingbats());

    final List<int> imData = zlib.decode(base64.decode(
        'eJz7//8/w388uOTCT6a4Ez96Q47++I+OI479mEVALyNU7z9seuNP/mAm196Ekz8YR+0dWHtBmJC9S+7/Zog89iMIKLYaHQPVJGLTD7MXpDfq+I9goNhPdPPDjv3YlnH6Jye6+2H21l/6yeB/4HsSDr1bQXrRwq8HqHcGyF6QXp9933N0tn/7Y7vn+/9gLPaih0PDlV9MIAzVm6ez7dsfzW3f/oMwzAx0e7FhoJutdbcj9MKw9frnL2J2POfBpxeEg478YLba/X0Wsl6lBXf+s0bP/s8ePXeWePJCvPEJNYMRZIYWSO/cq/9Z/Nv+M4bO+M8YDjFDJGkhzvSE7A6jRTdnsQR2wfXCMLHuMC5byyidvGgWE5JeZDOIcYdR+TpmkBno+mFmAAC+DGhl'));
    final PdfImage im =
        PdfImage(pdf.document, image: imData, width: 16, height: 20);

    pdf.addPage(Page(
        pageFormat: const PdfPageFormat(400.0, 400.0),
        margin: const EdgeInsets.all(10.0),
        build: (Context context) => Column(children: <Widget>[
              Container(
                  padding: const EdgeInsets.all(5),
                  margin: const EdgeInsets.only(bottom: 10),
                  decoration: const BoxDecoration(
                      color: PdfColor.amber,
                      border: BoxBorder(
                          top: true,
                          bottom: true,
                          left: true,
                          right: true,
                          width: 2.0)),
                  child: Text('Hello World',
                      textScaleFactor: 2.0, textAlign: TextAlign.center)),
              Align(alignment: Alignment.topLeft, child: Text('Left align')),
              Padding(padding: const EdgeInsets.all(5.0)),
              Row(
                  mainAxisAlignment: MainAxisAlignment.spaceEvenly,
                  children: <Widget>[
                    Image(im),
                    PdfLogo(),
                    Column(children: <Widget>[
                      Text('(', style: symbol),
                      Text('4', style: symbol),
                    ]),
                  ]),
              Padding(
                  padding: const EdgeInsets.only(left: 30, top: 20),
                  child: Lorem(textAlign: TextAlign.justify)),
              Expanded(
                  child: Transform.scale(
                      child: Transform.rotate(
                          child: FittedBox(child: Text('Expanded')),
                          angle: 0.2),
                      scale: 0.9)),
              Container(
                  padding: const EdgeInsets.only(top: 5),
                  decoration: const BoxDecoration(
                      border: BoxBorder(top: true, width: 1.0)),
                  child: Text("That's all Folks!",
                      textAlign: TextAlign.center,
                      style: Theme.of(context)
                          .defaultTextStyle
                          .copyWith(font: Font.timesBoldItalic()),
                      textScaleFactor: 3.0)),
            ])));

    pdf.addPage(Page(
        pageFormat: const PdfPageFormat(400.0, 400.0),
        margin: const EdgeInsets.all(10.0),
        build: (Context context) => Center(
            child: GridView(
                crossAxisCount: 3,
                direction: Axis.vertical,
                crossAxisSpacing: 10.0,
                mainAxisSpacing: 10.0,
                padding: const EdgeInsets.all(10.0),
                children: List<Widget>.generate(
                    9, (int n) => FittedBox(child: Text('${n + 1}')))))));

    pdf.addPage(MultiPage(
        pageFormat: const PdfPageFormat(400.0, 200.0),
        margin: const EdgeInsets.all(10.0),
        build: (Context context) => <Widget>[
              Table.fromTextArray(context: context, data: <List<String>>[
                <String>['Company', 'Contact', 'Country'],
                <String>['Alfreds Futterkiste', 'Maria Anders', 'Germany'],
                <String>[
                  'Centro comercial Moctezuma',
                  'Francisco Chang',
                  'Mexico'
                ],
                <String>['Ernst Handel', 'Roland Mendel', 'Austria'],
                <String>['Island Trading', 'Helen Bennett', 'UK'],
                <String>[
                  'Laughing Bacchus Winecellars',
                  'Yoshi Tannamuri',
                  'Canada'
                ],
                <String>[
                  'Magazzini Alimentari Riuniti',
                  'Giovanni Rovelli',
                  'Italy'
                ],
                <String>[
                  'Spaceage Stereo',
                  'Igor Cavalcanti Pereira',
                  'Brasil'
                ],
                <String>['Team Uno', 'Frantisek Stefánek', 'Czech Republic'],
                <String>["Isaly's", 'Michelle J. Kristensen', 'Danmark'],
                <String>['Albers', 'Marjolaine Laramée', 'France'],
                <String>['Dynatronics Accessories', "Cong Ch'en", 'China'],
                <String>['York Steak House', 'Outi Vuorinen', 'Finland'],
                <String>['Weathervane', 'Else Jeremiassen', 'Iceland'],
              ]),
              CustomPaint(
                  size: const PdfPoint(50, 50),
                  painter: (PdfGraphics canvas, PdfPoint size) {
                    canvas
                      ..setColor(PdfColor.indigo)
                      ..drawRRect(0, 0, size.x, size.y, 10, 10)
                      ..fillPath();
                  }),
              RichText(
                text: TextSpan(
                  text: 'Hello ',
                  style: Theme.of(context).defaultTextStyle,
                  children: <TextSpan>[
                    TextSpan(
                        text: 'bold',
                        style: Theme.of(context)
                            .defaultTextStyleBold
                            .copyWith(fontSize: 20, color: PdfColor.blue)),
                    const TextSpan(
                      text: ' world!',
                    ),
                  ],
                ),
              )
            ]));

    final File file = File('widgets.pdf');
    file.writeAsBytesSync(pdf.document.save());
  });
}