#include "LyraTheme.h"

#include <GfxRenderer.h>
#include <HalStorage.h>
#include <I18n.h>
#include <Utf8.h>

#include <cstdint>
#include <ctime>
#include <string>
#include <vector>

#include "Battery.h"
#include "CrossPointSettings.h"
#include "RecentBooksStore.h"
#include "components/UITheme.h"
#include "fontIds.h"
#include "util/StringUtils.h"

// Internal constants
namespace {
constexpr int batteryPercentSpacing = 4;
constexpr int hPaddingInSelection = 8;
constexpr int cornerRadius = 6;
constexpr int topHintButtonY = 345;
}  // namespace

void LyraTheme::drawBatteryLeft(const GfxRenderer& renderer, Rect rect, const bool showPercentage) const {
  // Left aligned: icon on left, percentage on right (reader mode)
  const uint16_t percentage = battery.readPercentage();
  const int y = rect.y + 6;
  const int battWidth = LyraMetrics::values.batteryWidth;

  if (showPercentage) {
    const auto percentageText = std::to_string(percentage) + "%";
    renderer.drawText(SMALL_FONT_ID, rect.x + batteryPercentSpacing + battWidth, rect.y, percentageText.c_str());
  }

  // Draw icon
  const int x = rect.x;
  // Top line
  renderer.drawLine(x + 1, y, x + battWidth - 3, y);
  // Bottom line
  renderer.drawLine(x + 1, y + rect.height - 1, x + battWidth - 3, y + rect.height - 1);
  // Left line
  renderer.drawLine(x, y + 1, x, y + rect.height - 2);
  // Battery end
  renderer.drawLine(x + battWidth - 2, y + 1, x + battWidth - 2, y + rect.height - 2);
  renderer.drawPixel(x + battWidth - 1, y + 3);
  renderer.drawPixel(x + battWidth - 1, y + rect.height - 4);
  renderer.drawLine(x + battWidth - 0, y + 4, x + battWidth - 0, y + rect.height - 5);

  // Draw bars
  if (percentage > 10) {
    renderer.fillRect(x + 2, y + 2, 3, rect.height - 4);
  }
  if (percentage > 40) {
    renderer.fillRect(x + 6, y + 2, 3, rect.height - 4);
  }
  if (percentage > 70) {
    renderer.fillRect(x + 10, y + 2, 3, rect.height - 4);
  }
}

void LyraTheme::drawBatteryRight(const GfxRenderer& renderer, Rect rect, const bool showPercentage) const {
  // Right aligned: percentage on left, icon on right (UI headers)
  const uint16_t percentage = battery.readPercentage();
  const int y = rect.y + 6;
  const int battWidth = LyraMetrics::values.batteryWidth;

  if (showPercentage) {
    const auto percentageText = std::to_string(percentage) + "%";
    const int textWidth = renderer.getTextWidth(SMALL_FONT_ID, percentageText.c_str());
    // Clear the area where we're going to draw the text to prevent ghosting
    const auto textHeight = renderer.getTextHeight(SMALL_FONT_ID);
    renderer.fillRect(rect.x - textWidth - batteryPercentSpacing, rect.y, textWidth, textHeight, false);
    // Draw text to the left of the icon
    renderer.drawText(SMALL_FONT_ID, rect.x - textWidth - batteryPercentSpacing, rect.y, percentageText.c_str());
  }

  // Draw icon at rect.x
  const int x = rect.x;
  // Top line
  renderer.drawLine(x + 1, y, x + battWidth - 3, y);
  // Bottom line
  renderer.drawLine(x + 1, y + rect.height - 1, x + battWidth - 3, y + rect.height - 1);
  // Left line
  renderer.drawLine(x, y + 1, x, y + rect.height - 2);
  // Battery end
  renderer.drawLine(x + battWidth - 2, y + 1, x + battWidth - 2, y + rect.height - 2);
  renderer.drawPixel(x + battWidth - 1, y + 3);
  renderer.drawPixel(x + battWidth - 1, y + rect.height - 4);
  renderer.drawLine(x + battWidth - 0, y + 4, x + battWidth - 0, y + rect.height - 5);

  // Draw bars
  if (percentage > 10) {
    renderer.fillRect(x + 2, y + 2, 3, rect.height - 4);
  }
  if (percentage > 40) {
    renderer.fillRect(x + 6, y + 2, 3, rect.height - 4);
  }
  if (percentage > 70) {
    renderer.fillRect(x + 10, y + 2, 3, rect.height - 4);
  }
}

void LyraTheme::drawHeader(const GfxRenderer& renderer, Rect rect, const char* title) const {
  renderer.fillRect(rect.x, rect.y, rect.width, rect.height, false);

  const bool showBatteryPercentage =
      SETTINGS.hideBatteryPercentage != CrossPointSettings::HIDE_BATTERY_PERCENTAGE::HIDE_ALWAYS;
  // Position icon at right edge, drawBatteryRight will place text to the left
  const int batteryX = rect.x + rect.width - 12 - LyraMetrics::values.batteryWidth;
  drawBatteryRight(renderer,
                   Rect{batteryX, rect.y + 5, LyraMetrics::values.batteryWidth, LyraMetrics::values.batteryHeight},
                   showBatteryPercentage);

  // Draw clock on the left side (symmetric with battery on the right)
  if (SETTINGS.clockFormat != CrossPointSettings::CLOCK_OFF) {
    time_t now = time(nullptr);
    struct tm* t = localtime(&now);
    if (t != nullptr && t->tm_year > 100) {
      char timeBuf[16];
      if (SETTINGS.clockFormat == CrossPointSettings::CLOCK_24H) {
        snprintf(timeBuf, sizeof(timeBuf), "%02d:%02d", t->tm_hour, t->tm_min);
      } else {
        int hour12 = t->tm_hour % 12;
        if (hour12 == 0) hour12 = 12;
        snprintf(timeBuf, sizeof(timeBuf), "%d:%02d %s", hour12, t->tm_min, t->tm_hour >= 12 ? "PM" : "AM");
      }
      int clockFont = SMALL_FONT_ID;
      if (SETTINGS.clockSize == CrossPointSettings::CLOCK_SIZE_MEDIUM) clockFont = UI_10_FONT_ID;
      else if (SETTINGS.clockSize == CrossPointSettings::CLOCK_SIZE_LARGE) clockFont = UI_12_FONT_ID;
      renderer.drawText(clockFont, rect.x + 12, rect.y + 5, timeBuf, true);
    }
  }

  if (title) {
    auto truncatedTitle = renderer.truncatedText(
        UI_12_FONT_ID, title, rect.width - LyraMetrics::values.contentSidePadding * 2, EpdFontFamily::BOLD);
    renderer.drawText(UI_12_FONT_ID, rect.x + LyraMetrics::values.contentSidePadding,
                      rect.y + LyraMetrics::values.batteryBarHeight + 3, truncatedTitle.c_str(), true,
                      EpdFontFamily::BOLD);
    renderer.drawLine(rect.x, rect.y + rect.height - 3, rect.x + rect.width, rect.y + rect.height - 3, 3, true);
  }
}

void LyraTheme::drawTabBar(const GfxRenderer& renderer, Rect rect, const std::vector<TabInfo>& tabs,
                           bool selected) const {
  int currentX = rect.x + LyraMetrics::values.contentSidePadding;

  if (selected) {
    renderer.fillRectDither(rect.x, rect.y, rect.width, rect.height, Color::LightGray);
  }

  for (const auto& tab : tabs) {
    const int textWidth = renderer.getTextWidth(UI_10_FONT_ID, tab.label, EpdFontFamily::REGULAR);

    if (tab.selected) {
      if (selected) {
        renderer.fillRoundedRect(currentX, rect.y + 1, textWidth + 2 * hPaddingInSelection, rect.height - 4,
                                 cornerRadius, Color::Black);
      } else {
        renderer.fillRectDither(currentX, rect.y, textWidth + 2 * hPaddingInSelection, rect.height - 3,
                                Color::LightGray);
        renderer.drawLine(currentX, rect.y + rect.height - 3, currentX + textWidth + 2 * hPaddingInSelection,
                          rect.y + rect.height - 3, 2, true);
      }
    }

    renderer.drawText(UI_10_FONT_ID, currentX + hPaddingInSelection, rect.y + 6, tab.label, !(tab.selected && selected),
                      EpdFontFamily::REGULAR);

    currentX += textWidth + LyraMetrics::values.tabSpacing + 2 * hPaddingInSelection;
  }

  renderer.drawLine(rect.x, rect.y + rect.height - 1, rect.x + rect.width, rect.y + rect.height - 1, true);
}

void LyraTheme::drawList(const GfxRenderer& renderer, Rect rect, int itemCount, int selectedIndex,
                         const std::function<std::string(int index)>& rowTitle,
                         const std::function<std::string(int index)>& rowSubtitle,
                         const std::function<std::string(int index)>& rowIcon,
                         const std::function<std::string(int index)>& rowValue) const {
  int rowHeight =
      (rowSubtitle != nullptr) ? LyraMetrics::values.listWithSubtitleRowHeight : LyraMetrics::values.listRowHeight;
  int pageItems = rect.height / rowHeight;

  const int totalPages = (itemCount + pageItems - 1) / pageItems;
  if (totalPages > 1) {
    const int scrollAreaHeight = rect.height;

    // Draw scroll bar
    const int scrollBarHeight = (scrollAreaHeight * pageItems) / itemCount;
    const int currentPage = selectedIndex / pageItems;
    const int scrollBarY = rect.y + ((scrollAreaHeight - scrollBarHeight) * currentPage) / (totalPages - 1);
    const int scrollBarX = rect.x + rect.width - LyraMetrics::values.scrollBarRightOffset;
    renderer.drawLine(scrollBarX, rect.y, scrollBarX, rect.y + scrollAreaHeight, true);
    renderer.fillRect(scrollBarX - LyraMetrics::values.scrollBarWidth, scrollBarY, LyraMetrics::values.scrollBarWidth,
                      scrollBarHeight, true);
  }

  // Draw selection
  int contentWidth =
      rect.width -
      (totalPages > 1 ? (LyraMetrics::values.scrollBarWidth + LyraMetrics::values.scrollBarRightOffset) : 1);
  if (selectedIndex >= 0) {
    renderer.fillRoundedRect(LyraMetrics::values.contentSidePadding, rect.y + selectedIndex % pageItems * rowHeight,
                             contentWidth - LyraMetrics::values.contentSidePadding * 2, rowHeight, cornerRadius,
                             Color::LightGray);
  }

  // Draw all items
  const auto pageStartIndex = selectedIndex / pageItems * pageItems;
  for (int i = pageStartIndex; i < itemCount && i < pageStartIndex + pageItems; i++) {
    const int itemY = rect.y + (i % pageItems) * rowHeight;

    // Draw name
    int textWidth = contentWidth - LyraMetrics::values.contentSidePadding * 2 - hPaddingInSelection * 2 -
                    (rowValue != nullptr ? 60 : 0);  // TODO truncate according to value width?
    auto itemName = rowTitle(i);
    auto item = renderer.truncatedText(UI_10_FONT_ID, itemName.c_str(), textWidth);
    renderer.drawText(UI_10_FONT_ID, rect.x + LyraMetrics::values.contentSidePadding + hPaddingInSelection * 2,
                      itemY + 6, item.c_str(), true);

    if (rowSubtitle != nullptr) {
      // Draw subtitle
      std::string subtitleText = rowSubtitle(i);
      auto subtitle = renderer.truncatedText(SMALL_FONT_ID, subtitleText.c_str(), textWidth);
      renderer.drawText(SMALL_FONT_ID, rect.x + LyraMetrics::values.contentSidePadding + hPaddingInSelection * 2,
                        itemY + 30, subtitle.c_str(), true);
    }

    if (rowValue != nullptr) {
      // Draw value
      std::string valueText = rowValue(i);
      if (!valueText.empty()) {
        const auto valueTextWidth = renderer.getTextWidth(UI_10_FONT_ID, valueText.c_str());

        if (i == selectedIndex) {
          renderer.fillRoundedRect(
              contentWidth - LyraMetrics::values.contentSidePadding - hPaddingInSelection * 2 - valueTextWidth, itemY,
              valueTextWidth + hPaddingInSelection * 2, rowHeight, cornerRadius, Color::Black);
        }

        renderer.drawText(UI_10_FONT_ID,
                          contentWidth - LyraMetrics::values.contentSidePadding - hPaddingInSelection - valueTextWidth,
                          itemY + 6, valueText.c_str(), i != selectedIndex);
      }
    }
  }
}

void LyraTheme::drawButtonHints(GfxRenderer& renderer, const char* btn1, const char* btn2, const char* btn3,
                                const char* btn4) const {
  const GfxRenderer::Orientation orig_orientation = renderer.getOrientation();
  renderer.setOrientation(GfxRenderer::Orientation::Portrait);

  const int pageHeight = renderer.getScreenHeight();
  constexpr int buttonWidth = 80;
  constexpr int smallButtonHeight = 15;
  constexpr int buttonHeight = LyraMetrics::values.buttonHintsHeight;
  constexpr int buttonY = LyraMetrics::values.buttonHintsHeight;  // Distance from bottom
  constexpr int textYOffset = 7;                                  // Distance from top of button to text baseline
  constexpr int buttonPositions[] = {58, 146, 254, 342};
  const char* labels[] = {btn1, btn2, btn3, btn4};

  for (int i = 0; i < 4; i++) {
    const int x = buttonPositions[i];
    if (labels[i] != nullptr && labels[i][0] != '\0') {
      // Draw the filled background and border for a FULL-sized button
      renderer.fillRect(x, pageHeight - buttonY, buttonWidth, buttonHeight, false);
      renderer.drawRoundedRect(x, pageHeight - buttonY, buttonWidth, buttonHeight, 1, cornerRadius, true, true, false,
                               false, true);
      const int textWidth = renderer.getTextWidth(SMALL_FONT_ID, labels[i]);
      const int textX = x + (buttonWidth - 1 - textWidth) / 2;
      renderer.drawText(SMALL_FONT_ID, textX, pageHeight - buttonY + textYOffset, labels[i]);
    } else {
      // Draw the filled background and border for a SMALL-sized button
      renderer.fillRect(x, pageHeight - smallButtonHeight, buttonWidth, smallButtonHeight, false);
      renderer.drawRoundedRect(x, pageHeight - smallButtonHeight, buttonWidth, smallButtonHeight, 1, cornerRadius, true,
                               true, false, false, true);
    }
  }

  renderer.setOrientation(orig_orientation);
}

void LyraTheme::drawSideButtonHints(const GfxRenderer& renderer, const char* topBtn, const char* bottomBtn) const {
  const int screenWidth = renderer.getScreenWidth();
  constexpr int buttonWidth = LyraMetrics::values.sideButtonHintsWidth;  // Width on screen (height when rotated)
  constexpr int buttonHeight = 78;                                       // Height on screen (width when rotated)
  // Position for the button group - buttons share a border so they're adjacent

  const char* labels[] = {topBtn, bottomBtn};

  // Draw the shared border for both buttons as one unit
  const int x = screenWidth - buttonWidth;

  // Draw top button outline
  if (topBtn != nullptr && topBtn[0] != '\0') {
    renderer.drawRoundedRect(x, topHintButtonY, buttonWidth, buttonHeight, 1, cornerRadius, true, false, true, false,
                             true);
  }

  // Draw bottom button outline
  if (bottomBtn != nullptr && bottomBtn[0] != '\0') {
    renderer.drawRoundedRect(x, topHintButtonY + buttonHeight + 5, buttonWidth, buttonHeight, 1, cornerRadius, true,
                             false, true, false, true);
  }

  // Draw text for each button
  for (int i = 0; i < 2; i++) {
    if (labels[i] != nullptr && labels[i][0] != '\0') {
      const int y = topHintButtonY + (i * buttonHeight + 5);

      // Draw rotated text centered in the button
      const int textWidth = renderer.getTextWidth(SMALL_FONT_ID, labels[i]);

      renderer.drawTextRotated90CW(SMALL_FONT_ID, x, y + (buttonHeight + textWidth) / 2, labels[i]);
    }
  }
}

void LyraTheme::drawRecentBookCover(GfxRenderer& renderer, Rect rect, const std::vector<RecentBook>& recentBooks,
                                    const int selectorIndex, bool& coverRendered, bool& coverBufferStored,
                                    bool& bufferRestored, std::function<bool()> storeCoverBuffer) const {
  const int bookCount = std::min(static_cast<int>(recentBooks.size()), LyraMetrics::values.homeRecentBooksCount);
  const int tileHeight = rect.height;
  const int tileY = rect.y;
  const int coverHeight = LyraMetrics::values.homeCoverHeight;

  if (bookCount == 0) {
    const int centerY = rect.y + (rect.height - renderer.getLineHeight(UI_12_FONT_ID)) / 2;
    renderer.drawCenteredText(UI_12_FONT_ID, centerY, tr(STR_CHOOSE_SOMETHING), true);
    return;
  }

  // Word-wrap helper: splits text into lines fitting maxWidth, capped at maxLines with ellipsis
  auto wrapText = [&renderer](int fontId, const std::string& text, int maxWidth,
                              int maxLines) -> std::vector<std::string> {
    std::vector<std::string> words;
    words.reserve(8);
    size_t pos = 0;
    while (pos < text.size()) {
      while (pos < text.size() && text[pos] == ' ') ++pos;
      if (pos >= text.size()) break;
      const size_t start = pos;
      while (pos < text.size() && text[pos] != ' ') ++pos;
      words.emplace_back(text.substr(start, pos - start));
    }

    const int spaceWidth = renderer.getSpaceWidth(fontId);
    std::vector<std::string> lines;
    std::string currentLine;
    for (auto& word : words) {
      if (static_cast<int>(lines.size()) >= maxLines) {
        lines.back().append("...");
        while (!lines.back().empty() && renderer.getTextWidth(fontId, lines.back().c_str()) > maxWidth) {
          lines.back().resize(lines.back().size() - 3);
          utf8RemoveLastChar(lines.back());
          lines.back().append("...");
        }
        break;
      }
      int wordWidth = renderer.getTextWidth(fontId, word.c_str());
      while (wordWidth > maxWidth && !word.empty()) {
        utf8RemoveLastChar(word);
        std::string withEllipsis = word + "...";
        wordWidth = renderer.getTextWidth(fontId, withEllipsis.c_str());
        if (wordWidth <= maxWidth) {
          word = withEllipsis;
          break;
        }
      }
      int newLineWidth = renderer.getTextWidth(fontId, currentLine.c_str());
      if (newLineWidth > 0) newLineWidth += spaceWidth;
      newLineWidth += wordWidth;
      if (newLineWidth > maxWidth && !currentLine.empty()) {
        lines.push_back(currentLine);
        currentLine = word;
      } else {
        if (!currentLine.empty()) currentLine.append(" ");
        currentLine.append(word);
      }
    }
    if (!currentLine.empty() && static_cast<int>(lines.size()) < maxLines) {
      lines.push_back(currentLine);
    }
    return lines;
  };

  // Cover rendering helper: draws bitmap maintaining aspect ratio within a slot.
  // Crops if wider than slot, centers if narrower. Returns actual rendered width.
  auto& storage = HalStorage::getInstance();
  auto renderCoverBitmap = [&renderer, &storage, coverHeight](const std::string& coverBmpPath, int slotX, int slotY,
                                                              int slotWidth) {
    FsFile file;
    if (storage.openFileForRead("HOME", coverBmpPath, file)) {
      Bitmap bitmap(file);
      if (bitmap.parseHeaders() == BmpReaderError::Ok) {
        float bmpW = static_cast<float>(bitmap.getWidth());
        float bmpH = static_cast<float>(bitmap.getHeight());
        float ratio = bmpW / bmpH;
        int naturalWidth = static_cast<int>(coverHeight * ratio);

        if (naturalWidth >= slotWidth) {
          float slotRatio = static_cast<float>(slotWidth) / static_cast<float>(coverHeight);
          float cropX = 1.0f - (slotRatio / ratio);
          renderer.drawBitmap(bitmap, slotX, slotY, slotWidth, coverHeight, cropX);
        } else {
          int offsetX = (slotWidth - naturalWidth) / 2;
          renderer.drawBitmap(bitmap, slotX + offsetX, slotY, naturalWidth, coverHeight, 0.0f);
        }
      }
      file.close();
    }
  };

  if (bookCount == 1) {
    // ===== SINGLE BOOK: HORIZONTAL LAYOUT (cover left, text right) =====
    const bool bookSelected = (selectorIndex == 0);
    const int cardX = LyraMetrics::values.contentSidePadding;
    const int cardWidth = rect.width - 2 * LyraMetrics::values.contentSidePadding;
    // Fixed cover slot width based on typical book aspect ratio (~0.65)
    const int coverSlotWidth = static_cast<int>(coverHeight * 0.65f);
    const int textGap = hPaddingInSelection * 2;
    const int textAreaX = cardX + hPaddingInSelection + coverSlotWidth + textGap;
    const int textAreaWidth = cardWidth - hPaddingInSelection * 2 - coverSlotWidth - textGap;

    if (!coverRendered) {
      renderer.drawRect(cardX + hPaddingInSelection, tileY + hPaddingInSelection, coverSlotWidth, coverHeight);
      if (!recentBooks[0].coverBmpPath.empty()) {
        const std::string coverBmpPath =
            UITheme::getCoverThumbPath(recentBooks[0].coverBmpPath, coverHeight);
        renderCoverBitmap(coverBmpPath, cardX + hPaddingInSelection, tileY + hPaddingInSelection, coverSlotWidth);
      }
      coverBufferStored = storeCoverBuffer();
      coverRendered = true;
    }

    // Selection highlight: border strips around the cover, fill the text area
    if (bookSelected) {
      // Top strip
      renderer.fillRoundedRect(cardX, tileY, cardWidth, hPaddingInSelection, cornerRadius, true, true, false, false,
                               Color::LightGray);
      // Left strip (alongside cover)
      renderer.fillRectDither(cardX, tileY + hPaddingInSelection, hPaddingInSelection, coverHeight, Color::LightGray);
      // Right strip
      renderer.fillRectDither(cardX + cardWidth - hPaddingInSelection, tileY + hPaddingInSelection, hPaddingInSelection,
                              coverHeight, Color::LightGray);
      // Text area background (right of cover, alongside cover height)
      renderer.fillRectDither(cardX + hPaddingInSelection + coverSlotWidth, tileY + hPaddingInSelection,
                              cardWidth - hPaddingInSelection * 2 - coverSlotWidth, coverHeight, Color::LightGray);
      // Bottom strip (below cover, full width)
      const int bottomY = tileY + hPaddingInSelection + coverHeight;
      const int bottomH = tileHeight - hPaddingInSelection - coverHeight;
      if (bottomH > 0) {
        renderer.fillRoundedRect(cardX, bottomY, cardWidth, bottomH, cornerRadius, false, false, true, true,
                                 Color::LightGray);
      }
    }

    // Title: UI_12 font, wrap generously (up to 5 lines)
    auto titleLines = wrapText(UI_12_FONT_ID, recentBooks[0].title, textAreaWidth, 5);
    const int titleLineHeight = renderer.getLineHeight(UI_12_FONT_ID);
    int textY = tileY + hPaddingInSelection + 3;
    for (const auto& line : titleLines) {
      renderer.drawText(UI_12_FONT_ID, textAreaX, textY, line.c_str(), true);
      textY += titleLineHeight;
    }

    // Author: UI_10 font
    if (!recentBooks[0].author.empty()) {
      textY += 4;
      auto author = renderer.truncatedText(UI_10_FONT_ID, recentBooks[0].author.c_str(), textAreaWidth);
      renderer.drawText(UI_10_FONT_ID, textAreaX, textY, author.c_str(), true);
    }

  } else {
    // ===== MULTI BOOK: TILE LAYOUT (2-3 books) =====
    const int tileWidth = (rect.width - 2 * LyraMetrics::values.contentSidePadding) / bookCount;
    // Bottom section height: everything below cover + top padding
    const int bottomSectionHeight = tileHeight - coverHeight - hPaddingInSelection;

    // Render covers (first render only)
    if (!coverRendered) {
      for (int i = 0; i < bookCount; i++) {
        int tileX = LyraMetrics::values.contentSidePadding + tileWidth * i;
        int drawWidth = tileWidth - 2 * hPaddingInSelection;
        renderer.drawRect(tileX + hPaddingInSelection, tileY + hPaddingInSelection, drawWidth, coverHeight);
        if (!recentBooks[i].coverBmpPath.empty()) {
          const std::string coverBmpPath = UITheme::getCoverThumbPath(recentBooks[i].coverBmpPath, coverHeight);
          renderCoverBitmap(coverBmpPath, tileX + hPaddingInSelection, tileY + hPaddingInSelection, drawWidth);
        }
      }
      coverBufferStored = storeCoverBuffer();
      coverRendered = true;
    }

    // Draw selection and text for each book tile
    for (int i = 0; i < bookCount; i++) {
      bool bookSelected = (selectorIndex == i);
      int tileX = LyraMetrics::values.contentSidePadding + tileWidth * i;
      const int maxTextWidth = tileWidth - 2 * hPaddingInSelection;

      if (bookSelected) {
        // Top strip
        renderer.fillRoundedRect(tileX, tileY, tileWidth, hPaddingInSelection, cornerRadius, true, true, false, false,
                                 Color::LightGray);
        // Left/right strips alongside cover
        renderer.fillRectDither(tileX, tileY + hPaddingInSelection, hPaddingInSelection, coverHeight,
                                Color::LightGray);
        renderer.fillRectDither(tileX + tileWidth - hPaddingInSelection, tileY + hPaddingInSelection,
                                hPaddingInSelection, coverHeight, Color::LightGray);
        // Bottom section: spans from below cover to the card bottom
        renderer.fillRoundedRect(tileX, tileY + coverHeight + hPaddingInSelection, tileWidth, bottomSectionHeight,
                                 cornerRadius, false, false, true, true, Color::LightGray);
      }

      // Word-wrap title to 2 lines (UI_10)
      auto titleLines = wrapText(UI_10_FONT_ID, recentBooks[i].title, maxTextWidth, 2);
      const int lineHeight = renderer.getLineHeight(UI_10_FONT_ID);

      int textY = tileY + coverHeight + hPaddingInSelection + 4;
      for (const auto& line : titleLines) {
        renderer.drawText(UI_10_FONT_ID, tileX + hPaddingInSelection, textY, line.c_str(), true);
        textY += lineHeight;
      }

      // Author below title
      if (!recentBooks[i].author.empty()) {
        auto author = renderer.truncatedText(SMALL_FONT_ID, recentBooks[i].author.c_str(), maxTextWidth);
        renderer.drawText(SMALL_FONT_ID, tileX + hPaddingInSelection, textY + 2, author.c_str(), true);
      }
    }
  }
}

void LyraTheme::drawButtonMenu(GfxRenderer& renderer, Rect rect, int buttonCount, int selectedIndex,
                               const std::function<std::string(int index)>& buttonLabel,
                               const std::function<std::string(int index)>& rowIcon) const {
  for (int i = 0; i < buttonCount; ++i) {
    int tileWidth = (rect.width - LyraMetrics::values.contentSidePadding * 2 - LyraMetrics::values.menuSpacing) / 2;
    Rect tileRect =
        Rect{rect.x + LyraMetrics::values.contentSidePadding + (LyraMetrics::values.menuSpacing + tileWidth) * (i % 2),
             rect.y + static_cast<int>(i / 2) * (LyraMetrics::values.menuRowHeight + LyraMetrics::values.menuSpacing),
             tileWidth, LyraMetrics::values.menuRowHeight};

    const bool selected = selectedIndex == i;

    if (selected) {
      renderer.fillRoundedRect(tileRect.x, tileRect.y, tileRect.width, tileRect.height, cornerRadius, Color::LightGray);
    }

    std::string labelStr = buttonLabel(i);
    const char* label = labelStr.c_str();
    const int textX = tileRect.x + 16;
    const int lineHeight = renderer.getLineHeight(UI_12_FONT_ID);
    const int textY = tileRect.y + (LyraMetrics::values.menuRowHeight - lineHeight) / 2;

    // Invert text when the tile is selected, to contrast with the filled background
    renderer.drawText(UI_12_FONT_ID, textX, textY, label, true);
  }
}

Rect LyraTheme::drawPopup(const GfxRenderer& renderer, const char* message) const {
  constexpr int margin = 15;
  constexpr int y = 60;
  const int textWidth = renderer.getTextWidth(UI_12_FONT_ID, message, EpdFontFamily::REGULAR);
  const int textHeight = renderer.getLineHeight(UI_12_FONT_ID);
  const int w = textWidth + margin * 2;
  const int h = textHeight + margin * 2;
  const int x = (renderer.getScreenWidth() - w) / 2;

  renderer.fillRect(x - 5, y - 5, w + 10, h + 10, false);
  renderer.drawRect(x, y, w, h, true);

  const int textX = x + (w - textWidth) / 2;
  const int textY = y + margin - 2;
  renderer.drawText(UI_12_FONT_ID, textX, textY, message, true, EpdFontFamily::REGULAR);
  renderer.displayBuffer();
  return Rect{x, y, w, h};
}