crosspoint-reader/lib/Txt/Txt.h

#pragma once

#include <SDCardManager.h>

#include <functional>
#include <memory>
#include <string>

class Txt {
  std::string filepath;
  std::string cacheBasePath;
  std::string cachePath;
  bool loaded = false;
  size_t fileSize = 0;

 public:
  explicit Txt(std::string path, std::string cacheBasePath);

  bool load();
  [[nodiscard]] const std::string& getPath() const { return filepath; }
  [[nodiscard]] const std::string& getCachePath() const { return cachePath; }
  [[nodiscard]] std::string getTitle() const;
  [[nodiscard]] size_t getFileSize() const { return fileSize; }

  void setupCacheDir() const;

  // Cover image support - looks for cover.bmp/jpg/jpeg/png in same folder as txt file
  [[nodiscard]] std::string getCoverBmpPath() const;
  [[nodiscard]] bool generateCoverBmp() const;
  [[nodiscard]] std::string findCoverImage() const;
  // Thumbnail support (for Continue Reading card)
  [[nodiscard]] std::string getThumbBmpPath() const;
  [[nodiscard]] bool generateThumbBmp() const;
  // Micro thumbnail support (for Recent Books list)
  [[nodiscard]] std::string getMicroThumbBmpPath() const;
  [[nodiscard]] bool generateMicroThumbBmp() const;
  // Generate all covers at once (for pre-generation on book open)
  [[nodiscard]] bool generateAllCovers(const std::function<void(int)>& progressCallback = nullptr) const;

  // Read content from file
  [[nodiscard]] bool readContent(uint8_t* buffer, size_t offset, size_t length) const;
};