#include "summarywidget.h"

#include "biddingroundstatuswidget.h"

#include <QLabel>
#include <QProperty>
#include <QSpinBox>
#include <QVBoxLayout>

#include <model/modelsummary.h>

SummaryWidget::SummaryWidget(std::shared_ptr<ModelSummary> modelSummary, QWidget* parent)
    : QWidget{parent}
    , m_modelSummary(modelSummary) {
  /// Layouting
  QVBoxLayout* mainLayout = new QVBoxLayout(this);

  /// monthly need
  QHBoxLayout* footerLayout  = new QHBoxLayout();
  QLabel* financialNeedLabel = new QLabel("monatlicher Finanzbedarf:");
  m_financialNeedBox         = new QSpinBox();
  m_financialNeedBox->setMaximum(50000);
  m_financialNeedBox->setValue(m_financialNeed);
  connect(m_financialNeedBox, &QSpinBox::valueChanged, this,
          &SummaryWidget::onFinancialNeedChanged);

  footerLayout->addWidget(financialNeedLabel);
  footerLayout->addWidget(m_financialNeedBox);
  footerLayout->addStretch(1);

  QBoxLayout* roundsLayout = createBiddingOverviewLayout();
  mainLayout->addLayout(roundsLayout);
  mainLayout->addLayout(footerLayout);

  mainLayout->setSpacing(50);
  setLayout(mainLayout);

  setupConnections();
}

void SummaryWidget::onFinancialNeedChanged(int newFinancialNeed) {
  m_biddingStatus1->onFinancialNeedChanged(newFinancialNeed);
  m_biddingStatus2->onFinancialNeedChanged(newFinancialNeed);
  m_biddingStatus3->onFinancialNeedChanged(newFinancialNeed);
}

void SummaryWidget::onNExpectedBiddingChanged(int newNExpected) {
  m_biddingStatus1->onExpectedBiddingsChanged(newNExpected);
  m_biddingStatus2->onExpectedBiddingsChanged(newNExpected);
  m_biddingStatus3->onExpectedBiddingsChanged(newNExpected);
}

void SummaryWidget::onNPlacedBiddingsChanged(const int roundNumber) {
  switch (roundNumber) {
    case 1:
      m_biddingStatus1->onNPlacedBiddingsChanged(m_modelSummary->nPlacedBiddings1());
      break;
    case 2:
      m_biddingStatus2->onNPlacedBiddingsChanged(m_modelSummary->nPlacedBiddings2());
      break;
    case 3:
      m_biddingStatus3->onNPlacedBiddingsChanged(m_modelSummary->nPlacedBiddings3());
      break;
    default:
      qWarning() << "Unknown round number:" << roundNumber;
      break;
  }
}

void SummaryWidget::onBiddingSumChanged(const int roundNumber) {
  switch (roundNumber) {
    case 1:
      m_biddingStatus1->onBiddingSumChanged(m_modelSummary->biddingSum1());
      break;
    case 2:
      m_biddingStatus2->onBiddingSumChanged(m_modelSummary->biddingSum2());
      break;
    case 3:
      m_biddingStatus3->onBiddingSumChanged(m_modelSummary->biddingSum3());
      break;
    default:
      qWarning() << "Unknown round number:" << roundNumber;
      break;
  }
}

void SummaryWidget::onBiddingAverageChanged(const int roundNumber) {
  switch (roundNumber) {
    case 1:
      m_biddingStatus1->onBiddingAverageChanged(m_modelSummary->biddingAverage1());
      break;
    case 2:
      m_biddingStatus2->onBiddingAverageChanged(m_modelSummary->biddingAverage2());
      break;
    case 3:
      m_biddingStatus3->onBiddingAverageChanged(m_modelSummary->biddingAverage3());
      break;
    default:
      qWarning() << "Unknown round number:" << roundNumber;
      break;
  }
}

QBoxLayout* SummaryWidget::createBiddingOverviewLayout() {
  QHBoxLayout* layout = new QHBoxLayout();

  const int expectedBiddings = m_modelSummary->nExpectedBiddings();

  /// bidding round 1
  const int placedBiddings1   = m_modelSummary->nPlacedBiddings1();
  const int biddingSum1       = m_modelSummary->biddingSum1();
  const qreal biddingAverage1 = m_modelSummary->biddingAverage1();
  m_biddingStatus1 =
      make_unique<BiddingRoundStatusWidget>("Bietrunde 1", placedBiddings1, expectedBiddings,
                                            m_financialNeed, biddingSum1, biddingAverage1);
  /// bidding round 2
  const int placedBiddings2   = m_modelSummary->nPlacedBiddings2();
  const int biddingSum2       = m_modelSummary->biddingSum2();
  const qreal biddingAverage2 = m_modelSummary->biddingAverage2();
  m_biddingStatus2 =
      make_unique<BiddingRoundStatusWidget>("Bietrunde 2", placedBiddings2, expectedBiddings,
                                            m_financialNeed, biddingSum2, biddingAverage2);
  /// bidding round 3
  const int placedBiddings3   = m_modelSummary->nPlacedBiddings3();
  const int biddingSum3       = m_modelSummary->biddingSum3();
  const qreal biddingAverage3 = m_modelSummary->biddingAverage3();
  m_biddingStatus3 =
      make_unique<BiddingRoundStatusWidget>("Bietrunde 3", placedBiddings3, expectedBiddings,
                                            m_financialNeed, biddingSum3, biddingAverage3);

  layout->addWidget(m_biddingStatus1.get());
  layout->addWidget(m_biddingStatus2.get());
  layout->addWidget(m_biddingStatus3.get());

  return layout;
}

void SummaryWidget::setupConnections() {
  // TODO figure out how to encapsulate each property binding into a dedicated function:
  //      "bindProperty(&bindable, &signal, &getter, widget)"
  QObject::connect(m_modelSummary.get(), &ModelSummary::nExpectedBiddingsChanged,
                   [&]() { onNExpectedBiddingChanged(m_modelSummary->nExpectedBiddings()); });
  QObject::connect(m_modelSummary.get(), &ModelSummary::nPlacedBiddingsChanged, this,
                   &SummaryWidget::onNPlacedBiddingsChanged);
  QObject::connect(m_modelSummary.get(), &ModelSummary::biddingSumChanged, this,
                   &SummaryWidget::onBiddingSumChanged);
  QObject::connect(m_modelSummary.get(), &ModelSummary::biddingAverageChanged, this,
                   &SummaryWidget::onBiddingAverageChanged);
}