#include "dps/fs_utils.hpp"

#include <cstdlib>
#include <filesystem>
#include <fstream>
#include <iostream>
#include <vector>

namespace fs = std::filesystem;

namespace {

std::string utf8_text() {
    return "2_\xE5\x87\x8C\xE4\xBC\x97";
}

int run_test() {
    const fs::path root = fs::temp_directory_path() / "dps-fs-utils-smoke";
    const fs::path nested = root / dps::path_from_utf8(utf8_text());
    const fs::path file = nested / "img.png";

    fs::remove_all(root);
    fs::create_directories(nested);

    {
        std::ofstream output(file, std::ios::binary);
        output << "png-data";
    }

    const std::vector<unsigned char> bytes = dps::read_binary_file(file);
    if (bytes.size() != 8) {
        std::cerr << "unexpected file size: " << bytes.size() << "\n";
        return EXIT_FAILURE;
    }

    fs::remove_all(root);
    return EXIT_SUCCESS;
}

}  // namespace

int main() {
    return run_test();
}