#include "util/http_util.hpp"

#include "util/string_util.hpp"

namespace lm {

std::string HttpUtil::contentTypeForPath(const std::filesystem::path& p)
{
  const auto ext = StringUtil::toLower(p.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";
  if (ext == ".png")
    return "image/png";
  if (ext == ".svg")
    return "image/svg+xml";
  if (ext == ".ico")
    return "image/x-icon";
  return "application/octet-stream";
}

void HttpUtil::jsonError(httplib::Response& res, int status, const std::string& msg)
{
  res.status = status;
  res.set_header("Content-Type", "application/json; charset=utf-8");
  res.body = nlohmann::json({{"error", msg}}).dump();
}

void HttpUtil::addCors(httplib::Response& res)
{
  res.set_header("Access-Control-Allow-Origin", "*");
  res.set_header("Access-Control-Allow-Methods", "GET, POST, PUT, DELETE, OPTIONS");
  res.set_header("Access-Control-Allow-Headers", "Content-Type, Authorization, Accept-Language");
}

}  // namespace lm