// For license of this file, see <project-root-folder>/LICENSE.md.

#include "gui/searchtextwidget.h"

#include "miscellaneous/application.h"
#include "miscellaneous/iconfactory.h"

SearchTextWidget::SearchTextWidget(QWidget* parent) : QWidget(parent) {
  m_ui.setupUi(this);
  setFocusProxy(m_ui.m_txtSearch);

  m_ui.m_btnClear->setIcon(qApp->icons()->fromTheme(QSL("edit-clear")));
  m_ui.m_btnSearchBackward->setIcon(qApp->icons()->fromTheme(QSL("back")));
  m_ui.m_btnSearchForward->setIcon(qApp->icons()->fromTheme(QSL("forward")));

  connect(m_ui.m_btnClear, &QToolButton::clicked, m_ui.m_txtSearch, &QLineEdit::clear);
  connect(m_ui.m_txtSearch, &BaseLineEdit::textChanged, this, &SearchTextWidget::onTextChanged);
  connect(m_ui.m_txtSearch, &BaseLineEdit::submitted, this, [this]() {
    emit searchForText(m_ui.m_txtSearch->text(), false);
  });
  connect(m_ui.m_btnSearchForward, &QToolButton::clicked, this, [this]() {
    emit searchForText(m_ui.m_txtSearch->text(), false);
  });
  connect(m_ui.m_btnSearchBackward, &QToolButton::clicked, this, [this]() {
    emit searchForText(m_ui.m_txtSearch->text(), true);
  });
}

void SearchTextWidget::clear() {
  m_ui.m_txtSearch->clear();
}

void SearchTextWidget::onTextChanged(const QString& text) {
  m_ui.m_btnSearchBackward->setDisabled(text.isEmpty());
  m_ui.m_btnSearchForward->setDisabled(text.isEmpty());
  m_ui.m_btnClear->setDisabled(text.isEmpty());

  if (!text.isEmpty()) {
    emit searchForText(text, false);
  }
  else {
    emit cancelSearch();
  }
}

void SearchTextWidget::keyPressEvent(QKeyEvent* event) {
  if (event->key() == Qt::Key::Key_Escape) {
    emit cancelSearch();

    hide();
  }
}

void SearchTextWidget::focusInEvent(QFocusEvent* event) {
  QWidget::focusInEvent(event);
}