#include "FileUtil.h"

#include <fstream>
#include <sstream>

std::optional<std::string> readTextFile(const std::filesystem::path& path)
{
    std::ifstream file(path, std::ios::binary);
    if (!file)
        return std::nullopt;

    std::ostringstream buffer;
    buffer << file.rdbuf();
    return buffer.str();
}

std::string contentTypeForPath(const std::filesystem::path& path)
{
    const auto ext = path.extension().string();
    if (ext == ".html")
        return "text/html; charset=utf-8";
    if (ext == ".css")
        return "text/css; charset=utf-8";
    if (ext == ".js")
        return "application/javascript; charset=utf-8";
    if (ext == ".json")
        return "application/json; charset=utf-8";
    return "application/octet-stream";
}