#include "edit_expression_controller.h"
#include "app.h"
#include "../apps_container.h"
#include <assert.h>

namespace Calculation {

EditExpressionController::ContentView::ContentView(Responder * parentResponder, TableView * subview, TextFieldDelegate * textFieldDelegate) :
  View(),
  m_mainView(subview),
  m_textField(parentResponder, m_textBody, 255, textFieldDelegate)
{
  m_textBody[0] = 0;
}

int EditExpressionController::ContentView::numberOfSubviews() const {
  return 2;
}

View * EditExpressionController::ContentView::subviewAtIndex(int index) {
  View * views[2] = {m_mainView, &m_textField};
  return views[index];
}

void EditExpressionController::ContentView::layoutSubviews() {
  KDRect mainViewFrame(0, 0, bounds().width(), bounds().height() - k_textFieldHeight);
  m_mainView->setFrame(mainViewFrame);
  KDRect inputViewFram(0, bounds().height() - k_textFieldHeight, bounds().width(), k_textFieldHeight);
  m_textField.setFrame(inputViewFram);
}

TextField * EditExpressionController::ContentView::textField() {
  return &m_textField;
}

TableView * EditExpressionController::ContentView::mainView() {
  return m_mainView;
}

EditExpressionController::EditExpressionController(Responder * parentResponder, HistoryController * historyController, CalculationStore * calculationStore) :
  ViewController(parentResponder),
  m_contentView(this, (TableView *)historyController->view(), this),
  m_historyController(historyController),
  m_calculationStore(calculationStore)
{
}

View * EditExpressionController::view() {
  return &m_contentView;
}

const char * EditExpressionController::title() const {
  return "EditExpressionController";
}

const char * EditExpressionController::textBody() {
  return m_contentView.textField()->text();
}

void EditExpressionController::setTextBody(const char * text) {
  m_contentView.textField()->setText(text);
}

bool EditExpressionController::handleEvent(Ion::Events::Event event) {
  if (event == Ion::Events::Up) {
    if (m_calculationStore->numberOfCalculations() > 0) {
      app()->setFirstResponder(m_historyController);
    }
    return true;
  }
  return false;
}

void EditExpressionController::didBecomeFirstResponder() {
  app()->setFirstResponder(m_contentView.textField());
}

bool EditExpressionController::textFieldDidReceiveEvent(::TextField * textField, Ion::Events::Event event) {
  App * myApp = (App *)app();
  return myApp->textFieldDidReceiveEvent(textField, event);
}

bool EditExpressionController::textFieldDidFinishEditing(::TextField * textField, const char * text) {
  App * calculationApp = (App *)app();
  AppsContainer * appsContainer = (AppsContainer *)calculationApp->container();
  m_calculationStore->push(textBody(), calculationApp->localContext(), appsContainer->preferences());
  m_historyController->reload();
  m_contentView.mainView()->scrollToCell(0, m_historyController->numberOfRows()-1);
  m_contentView.textField()->setText("");
  return true;
}

}