#include "UITheme.h"

#include <FsHelpers.h>
#include <GfxRenderer.h>
#include <Logging.h>

#include <memory>

#include "MappedInputManager.h"
#include "RecentBooksStore.h"
#include "components/themes/BaseTheme.h"
#include "components/themes/lyra/Lyra3CoversTheme.h"
#include "components/themes/lyra/LyraTheme.h"

namespace {
constexpr int SKIP_PAGE_MS = 700;
}  // namespace

UITheme UITheme::instance;

UITheme::UITheme() {
  auto themeType = static_cast<CrossPointSettings::UI_THEME>(SETTINGS.uiTheme);
  setTheme(themeType);
}

void UITheme::reload() {
  auto themeType = static_cast<CrossPointSettings::UI_THEME>(SETTINGS.uiTheme);
  setTheme(themeType);
}

void UITheme::setTheme(CrossPointSettings::UI_THEME type) {
  switch (type) {
    case CrossPointSettings::UI_THEME::CLASSIC:
      LOG_DBG("UI", "Using Classic theme");
      currentTheme = std::make_unique<BaseTheme>();
      currentMetrics = &BaseMetrics::values;
      break;
    case CrossPointSettings::UI_THEME::LYRA:
      LOG_DBG("UI", "Using Lyra theme");
      currentTheme = std::make_unique<LyraTheme>();
      currentMetrics = &LyraMetrics::values;
      break;
    case CrossPointSettings::UI_THEME::LYRA_3_COVERS:
      LOG_DBG("UI", "Using Lyra 3 Covers theme");
      currentTheme = std::make_unique<Lyra3CoversTheme>();
      currentMetrics = &Lyra3CoversMetrics::values;
      break;
  }
}

int UITheme::getNumberOfItemsPerPage(const GfxRenderer& renderer, bool hasHeader, bool hasTabBar, bool hasButtonHints,
                                     bool hasSubtitle) {
  const ThemeMetrics& metrics = UITheme::getInstance().getMetrics();
  const Rect contentRect = getContentRect(renderer, hasButtonHints, /*hasSideHints=*/false);
  int reservedHeight = metrics.topPadding;
  if (hasHeader) {
    reservedHeight += metrics.headerHeight + metrics.verticalSpacing;
  }
  if (hasTabBar) {
    reservedHeight += metrics.tabBarHeight;
  }
  if (hasButtonHints) {
    reservedHeight += metrics.verticalSpacing;
  }
  const int availableHeight = contentRect.height - reservedHeight;
  int rowHeight = hasSubtitle ? metrics.listWithSubtitleRowHeight : metrics.listRowHeight;
  return availableHeight / rowHeight;
}

Rect UITheme::getContentRect(const GfxRenderer& renderer, bool hasBottomHints, bool hasSideHints) {
  const ThemeMetrics& metrics = UITheme::getInstance().getMetrics();
  const int bh = hasBottomHints ? metrics.buttonHintsHeight : 0;
  const int sw = hasSideHints ? metrics.sideButtonHintsWidth : 0;

  int top = 0, right = 0, bottom = 0, left = 0;
  switch (renderer.getOrientation()) {
    case GfxRenderer::Portrait:
      bottom = bh;
      right = sw;
      break;
    case GfxRenderer::PortraitInverted:
      top = bh;
      left = sw;
      break;
    case GfxRenderer::LandscapeClockwise:
      left = bh;
      bottom = sw;
      break;
    case GfxRenderer::LandscapeCounterClockwise:
      right = bh;
      top = sw;
      break;
  }

  const int w = renderer.getScreenWidth();
  const int h = renderer.getScreenHeight();
  return Rect{left, top, w - left - right, h - top - bottom};
}

std::string UITheme::getCoverThumbPath(std::string coverBmpPath, int coverHeight) {
  size_t pos = coverBmpPath.find("[HEIGHT]", 0);
  if (pos != std::string::npos) {
    coverBmpPath.replace(pos, 8, std::to_string(coverHeight));
  }
  return coverBmpPath;
}

UIIcon UITheme::getFileIcon(const std::string& filename) {
  if (filename.back() == '/') {
    return Folder;
  }
  if (FsHelpers::hasEpubExtension(filename) || FsHelpers::hasXtcExtension(filename)) {
    return Book;
  }
  if (FsHelpers::hasTxtExtension(filename) || FsHelpers::hasMarkdownExtension(filename)) {
    return Text;
  }
  if (FsHelpers::hasBmpExtension(filename)) {
    return Image;
  }
  return File;
}

int UITheme::getStatusBarHeight() {
  const ThemeMetrics& metrics = UITheme::getInstance().getMetrics();

  // Add status bar margin
  const bool showStatusBar = SETTINGS.statusBarChapterPageCount || SETTINGS.statusBarBookProgressPercentage ||
                             SETTINGS.statusBarTitle != CrossPointSettings::STATUS_BAR_TITLE::HIDE_TITLE ||
                             SETTINGS.statusBarBattery;
  const bool showProgressBar =
      SETTINGS.statusBarProgressBar != CrossPointSettings::STATUS_BAR_PROGRESS_BAR::HIDE_PROGRESS;
  return (showStatusBar ? (metrics.statusBarVerticalMargin) : 0) +
         (showProgressBar ? (((SETTINGS.statusBarProgressBarThickness + 1) * 2) + metrics.progressBarMarginTop) : 0);
}

int UITheme::getProgressBarHeight() {
  const ThemeMetrics& metrics = UITheme::getInstance().getMetrics();
  const bool showProgressBar =
      SETTINGS.statusBarProgressBar != CrossPointSettings::STATUS_BAR_PROGRESS_BAR::HIDE_PROGRESS;
  return (showProgressBar ? (((SETTINGS.statusBarProgressBarThickness + 1) * 2) + metrics.progressBarMarginTop) : 0);
}