/*
 * Copyright (c) 2020 Samsung Electronics Co., Ltd.
 *
 * 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.
 *
 */

/**
 * @file simple-text-label-example.cpp
 * @brief Basic usage of SimpleTextLabel control
 */

// EXTERNAL INCLUDES
#include <dali-toolkit/dali-toolkit.h>

#include <dali-toolkit/devel-api/text/bitmap-font.h>
#include <dali/devel-api/text-abstraction/bitmap-font.h>
#include <dali/devel-api/text-abstraction/font-client.h>

using namespace Dali;
using namespace Dali::Toolkit;

/**
 * @brief The main class of the demo.
 */
class SimpleTextLabelExample : public ConnectionTracker
{
public:
  SimpleTextLabelExample(Application& application)
  : mApplication(application)
  {
    // Connect to the Application's Init signal
    mApplication.InitSignal().Connect(this, &SimpleTextLabelExample::Create);
  }

  ~SimpleTextLabelExample()
  {
    // Nothing to do here.
  }

  /**
   * One-time setup in response to Application InitSignal.
   */
  void Create(Application& application)
  {
    Window window = application.GetWindow();

    window.KeyEventSignal().Connect(this, &SimpleTextLabelExample::OnKeyEvent);

    TextAbstraction::FontClient fontClient = TextAbstraction::FontClient::Get();

    DevelText::BitmapFontDescription fontDescription;
    fontDescription.name               = "Digits";
    fontDescription.underlinePosition  = 0.f;
    fontDescription.underlineThickness = 0.f;

    fontDescription.glyphs.push_back({DEMO_IMAGE_DIR "u0030.png", "0", 34.f, 0.f});
    fontDescription.glyphs.push_back({DEMO_IMAGE_DIR "u0031.png", "1", 34.f, 0.f});
    fontDescription.glyphs.push_back({DEMO_IMAGE_DIR "u0032.png", "2", 34.f, 0.f});
    fontDescription.glyphs.push_back({DEMO_IMAGE_DIR "u0033.png", "3", 34.f, 0.f});
    fontDescription.glyphs.push_back({DEMO_IMAGE_DIR "u0034.png", "4", 34.f, 0.f});
    fontDescription.glyphs.push_back({DEMO_IMAGE_DIR "u0035.png", "5", 34.f, 0.f});
    fontDescription.glyphs.push_back({DEMO_IMAGE_DIR "u0036.png", "6", 34.f, 0.f});
    fontDescription.glyphs.push_back({DEMO_IMAGE_DIR "u0037.png", "7", 34.f, 0.f});
    fontDescription.glyphs.push_back({DEMO_IMAGE_DIR "u0038.png", "8", 34.f, 0.f});
    fontDescription.glyphs.push_back({DEMO_IMAGE_DIR "u0039.png", "9", 34.f, 0.f});
    fontDescription.glyphs.push_back({DEMO_IMAGE_DIR "u003a.png", ":", 34.f, 0.f});

    DevelText::BitmapFontDescription colorFontDescription;
    colorFontDescription.name               = "DigitsColor";
    colorFontDescription.underlinePosition  = 0.f;
    colorFontDescription.underlineThickness = 0.f;
    colorFontDescription.isColorFont        = true;

    colorFontDescription.glyphs.push_back({DEMO_IMAGE_DIR "u0030_color.png", "0", 34.f, 0.f});
    colorFontDescription.glyphs.push_back({DEMO_IMAGE_DIR "u0031_color.png", "1", 34.f, 0.f});
    colorFontDescription.glyphs.push_back({DEMO_IMAGE_DIR "u0032_color.png", "2", 34.f, 0.f});
    colorFontDescription.glyphs.push_back({DEMO_IMAGE_DIR "u0033_color.png", "3", 34.f, 0.f});
    colorFontDescription.glyphs.push_back({DEMO_IMAGE_DIR "u0034_color.png", "4", 34.f, 0.f});
    colorFontDescription.glyphs.push_back({DEMO_IMAGE_DIR "u0035_color.png", "5", 34.f, 0.f});
    colorFontDescription.glyphs.push_back({DEMO_IMAGE_DIR "u0036_color.png", "6", 34.f, 0.f});
    colorFontDescription.glyphs.push_back({DEMO_IMAGE_DIR "u0037_color.png", "7", 34.f, 0.f});
    colorFontDescription.glyphs.push_back({DEMO_IMAGE_DIR "u0038_color.png", "8", 34.f, 0.f});
    colorFontDescription.glyphs.push_back({DEMO_IMAGE_DIR "u0039_color.png", "9", 34.f, 0.f});
    colorFontDescription.glyphs.push_back({DEMO_IMAGE_DIR "u003a_color.png", ":", 34.f, 0.f});

    TextAbstraction::BitmapFont bitmapFont;
    TextAbstraction::BitmapFont bitmapColorFont;

    DevelText::CreateBitmapFont(fontDescription, bitmapFont);
    DevelText::CreateBitmapFont(colorFontDescription, bitmapColorFont);

    fontClient.GetFontId(bitmapFont);
    fontClient.GetFontId(bitmapColorFont);

    TextLabel label01 = TextLabel::New();
    label01.SetProperty(Actor::Property::ANCHOR_POINT, AnchorPoint::CENTER);
    label01.SetProperty(Actor::Property::PARENT_ORIGIN, ParentOrigin::CENTER);
    label01.SetProperty(Actor::Property::SIZE, Vector2(400.f, 50.f));
    label01.SetProperty(Actor::Property::POSITION, Vector2(0.f, -100.f));
    label01.SetProperty(TextLabel::Property::MULTI_LINE, true);

    label01.SetProperty(TextLabel::Property::ENABLE_MARKUP, true);
    label01.SetProperty(TextLabel::Property::TEXT, "012<color 'value'='green'>345</color>6789:");
    label01.SetProperty(TextLabel::Property::TEXT_COLOR, Color::RED);
    label01.SetProperty(TextLabel::Property::FONT_FAMILY, "Digits");

    label01.SetBackgroundColor(Color::BLACK);

    window.Add(label01);

    TextLabel label02 = TextLabel::New();
    label02.SetProperty(Actor::Property::ANCHOR_POINT, AnchorPoint::CENTER);
    label02.SetProperty(Actor::Property::PARENT_ORIGIN, ParentOrigin::CENTER);
    label02.SetProperty(Actor::Property::SIZE, Vector2(400.f, 50.f));
    label02.SetProperty(Actor::Property::POSITION, Vector2(0.f, -50.f));
    label02.SetProperty(TextLabel::Property::MULTI_LINE, true);

    label02.SetProperty(TextLabel::Property::TEXT, "0123456789:");
    label02.SetProperty(TextLabel::Property::TEXT_COLOR, Color::WHITE);
    label02.SetProperty(TextLabel::Property::FONT_FAMILY, "DigitsColor");

    label02.SetBackgroundColor(Color::BLACK);

    window.Add(label02);

    TextLabel label03 = TextLabel::New();
    label03.SetProperty(Actor::Property::ANCHOR_POINT, AnchorPoint::CENTER);
    label03.SetProperty(Actor::Property::PARENT_ORIGIN, ParentOrigin::CENTER);
    label03.SetProperty(Actor::Property::SIZE, Vector2(400.f, 50.f));
    label03.SetProperty(Actor::Property::POSITION, Vector2(0.f, 0.f));
    label03.SetProperty(TextLabel::Property::MULTI_LINE, true);

    label03.SetProperty(TextLabel::Property::TEXT, "0123456789:");
    label03.SetProperty(TextLabel::Property::FONT_FAMILY, "Digits");

    label03.SetBackgroundColor(Color::WHITE);

    window.Add(label03);

    TextLabel label04 = TextLabel::New();
    label04.SetProperty(Actor::Property::ANCHOR_POINT, AnchorPoint::CENTER);
    label04.SetProperty(Actor::Property::PARENT_ORIGIN, ParentOrigin::CENTER);
    label04.SetProperty(Actor::Property::SIZE, Vector2(400.f, 50.f));
    label04.SetProperty(Actor::Property::POSITION, Vector2(0.f, 50.f));
    label04.SetProperty(TextLabel::Property::MULTI_LINE, true);

    label04.SetProperty(TextLabel::Property::TEXT, "0123456789:");
    label04.SetProperty(TextLabel::Property::FONT_FAMILY, "Digits");
    label04.SetProperty(TextLabel::Property::TEXT_COLOR, Color::WHITE);

    label04.SetBackgroundColor(Color::BLACK);

    window.Add(label04);
  }

  /**
   * Main key event handler
   */
  void OnKeyEvent(const KeyEvent& event)
  {
    if(event.GetState() == KeyEvent::DOWN)
    {
      if(IsKey(event, DALI_KEY_ESCAPE) || IsKey(event, DALI_KEY_BACK))
      {
        mApplication.Quit();
      }
    }
  }

private:
  Application& mApplication;
};

void RunTest(Application& application)
{
  SimpleTextLabelExample test(application);

  application.MainLoop();
}

/** Entry point for Linux & Tizen applications */
int DALI_EXPORT_API main(int argc, char** argv)
{
  Application application = Application::New(&argc, &argv);

  RunTest(application);

  return 0;
}