/*
  ==============================================================================
  Copyright 2022 Nicolas Chambert

This program is free software : you can redistribute itand /or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.

This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.See the
GNU General Public License for more details.

You should have received a copy of the GNU General Public License
along with this program.If not, see < http://www.gnu.org/licenses/>.

  ==============================================================================
*/

/*
  ==============================================================================

    Gestion du nombre de temps par mesure.

  ==============================================================================
*/
#include "TempoPanel.h"
#include "Metronome.h"

TempoPanel::TempoPanel(juce::Colour c) : backgroundColour(c)
{
  // initialisation de l'interface
  addComponent(decrement);
  addComponent(tempo);
  addComponent(increment);
  tempo.setText("4", juce::dontSendNotification); // On met une valeur mais elle va être RaZ dans le init()
  tempo.getFont().setBold(true);
  tempo.setColour(juce::Label::textColourId, juce::Colours::black);
  tempo.setJustificationType(juce::Justification::centred);
  tempo.setFont(30);
}

void TempoPanel::addComponent(juce::Component& c)
{
  addAndMakeVisible(c);
  c.setColour(juce::TextButton::buttonColourId, backgroundColour);
  c.setColour(juce::TextButton::textColourOffId, juce::Colours::black);
}

void TempoPanel::paint(juce::Graphics& g)
{
  g.fillAll(backgroundColour);
}

void TempoPanel::resized()
{
  // On gêre le layout à la main
  auto area = getLocalBounds();
  int butHeigth = 20;
  int butWidth = 48;
  int labeSize = 3 * butHeigth;
  int totalWidth = 2 * butWidth + labeSize;
  int marginH = (area.getWidth() - totalWidth) / 2;
  int marginV = (area.getHeight() - labeSize) / 2;
  decrement.setBounds(area.getX() + marginH, area.getY() + marginV + butHeigth, butWidth, butHeigth);
  tempo.setBounds(area.getX() + marginH + butWidth, area.getY() + marginV, labeSize, labeSize);
  increment.setBounds(area.getX() + marginH + butWidth + labeSize, area.getY() + marginV + butHeigth, butWidth, butHeigth);
}

void TempoPanel::init(Metronome& metro)
{
  // On établi les liaisons entre le Metronome et les composants graphique
  tempo.setText(juce::String(metro.getMeasures()), juce::dontSendNotification);
  increment.onClick = [&, this]() { inc(metro); };
  decrement.onClick = [&, this]() { dec(metro); };
}

void TempoPanel::inc(Metronome& metro)
{
  // incrémente le tempo
  metro.setMeasures(metro.getMeasures() + 1);
  tempo.setText(juce::String(metro.getMeasures()), juce::dontSendNotification); // MàJ du label
}

void TempoPanel::dec(Metronome& metro)
{
  // decremente le tempo
  metro.setMeasures(metro.getMeasures() - 1);
  tempo.setText(juce::String(metro.getMeasures()), juce::dontSendNotification); // MàJ du label
}