#include "DictionaryMenuActivity.h"

#include <GfxRenderer.h>
#include <I18n.h>

#include "activities/ActivityResult.h"
#include "MappedInputManager.h"
#include "components/UITheme.h"
#include "fontIds.h"

void DictionaryMenuActivity::buildMenuItems() {
  menuItems.clear();
  menuItems.reserve(3);
  menuItems.push_back({Action::LOOKUP_WORD, StrId::STR_LOOKUP_WORD});
  menuItems.push_back({Action::LOOKUP_HISTORY, StrId::STR_LOOKUP_HISTORY});
  menuItems.push_back({Action::DELETE_DICT_CACHE, StrId::STR_DELETE_DICT_CACHE});
}

void DictionaryMenuActivity::onEnter() {
  Activity::onEnter();
  selectedIndex = 0;
  requestUpdate();
}

void DictionaryMenuActivity::onExit() { Activity::onExit(); }

void DictionaryMenuActivity::loop() {
  buttonNavigator.onNext([this] {
    selectedIndex = ButtonNavigator::nextIndex(selectedIndex, static_cast<int>(menuItems.size()));
    requestUpdate();
  });

  buttonNavigator.onPrevious([this] {
    selectedIndex = ButtonNavigator::previousIndex(selectedIndex, static_cast<int>(menuItems.size()));
    requestUpdate();
  });

  if (mappedInput.wasReleased(MappedInputManager::Button::Confirm)) {
    if (selectedIndex < static_cast<int>(menuItems.size())) {
      setResult(MenuResult{.action = static_cast<int>(menuItems[selectedIndex].action)});
      finish();
      return;
    }
  }

  if (mappedInput.wasReleased(MappedInputManager::Button::Back)) {
    ActivityResult r;
    r.isCancelled = true;
    setResult(std::move(r));
    finish();
    return;
  }
}

void DictionaryMenuActivity::render(RenderLock&&) {
  renderer.clearScreen();

  const auto pageWidth = renderer.getScreenWidth();
  const auto pageHeight = renderer.getScreenHeight();

  constexpr int popupMargin = 20;
  constexpr int lineHeight = 30;
  constexpr int titleHeight = 40;
  const int optionCount = static_cast<int>(menuItems.size());
  const int popupH = titleHeight + popupMargin + lineHeight * optionCount + popupMargin;
  const int popupW = pageWidth - 60;
  const int popupX = (pageWidth - popupW) / 2;
  const int popupY = (pageHeight - popupH) / 2;

  renderer.fillRect(popupX - 2, popupY - 2, popupW + 4, popupH + 4, true);
  renderer.fillRect(popupX, popupY, popupW, popupH, false);

  renderer.drawText(UI_12_FONT_ID, popupX + popupMargin, popupY + 8, tr(STR_DICTIONARY), true, EpdFontFamily::BOLD);

  const int dividerY = popupY + titleHeight;
  renderer.fillRect(popupX + 4, dividerY, popupW - 8, 1, true);

  const int startY = dividerY + popupMargin / 2;
  for (int i = 0; i < optionCount; ++i) {
    const int itemY = startY + i * lineHeight;
    const bool isSelected = (i == selectedIndex);

    if (isSelected) {
      renderer.fillRect(popupX + 2, itemY, popupW - 4, lineHeight, true);
    }

    renderer.drawText(UI_10_FONT_ID, popupX + popupMargin, itemY, I18N.get(menuItems[i].labelId), !isSelected);
  }

  const auto labels = mappedInput.mapLabels(tr(STR_CANCEL), tr(STR_SELECT), tr(STR_DIR_UP), tr(STR_DIR_DOWN));
  GUI.drawButtonHints(renderer, labels.btn1, labels.btn2, labels.btn3, labels.btn4);

  renderer.displayBuffer();
}