#include "ImageProcessor.h"
#include <filesystem>
#include <algorithm>
#include <iostream>

namespace fs = std::filesystem;

std::vector<std::string> ImageProcessor::getImagesInDirectory(const std::string& directory) {
    std::vector<std::string> imagePaths;
    
    try {
        for (const auto& entry : fs::recursive_directory_iterator(directory)) {
            if (fs::is_regular_file(entry) && isImageFile(entry.path().string())) {
                imagePaths.push_back(entry.path().string());
            }
        }
    } catch (const std::exception& e) {
        std::cerr << "Error reading directory: " << e.what() << std::endl;
    }
    
    return imagePaths;
}

bool ImageProcessor::isImageFile(const std::string& filename) {
    std::vector<std::string> extensions = {".jpg", ".jpeg", ".png", ".bmp", ".tiff", ".tif"};
    std::string lowerFilename = filename;
    std::transform(lowerFilename.begin(), lowerFilename.end(), lowerFilename.begin(), ::tolower);
    
    for (const auto& ext : extensions) {
        if (lowerFilename.length() >= ext.length() && 
            lowerFilename.substr(lowerFilename.length() - ext.length()) == ext) {
            return true;
        }
    }
    
    return false;
}