#include "webcc/rest_request_handler.h"

#include <utility>  // for move()
#include <vector>

#include "webcc/logger.h"
#include "webcc/url.h"

namespace webcc {

bool RestRequestHandler::Bind(RestServicePtr service, const std::string& url,
                              bool is_regex) {
  return service_manager_.AddService(service, url, is_regex);
}

void RestRequestHandler::HandleConnection(HttpConnectionPtr connection) {
  const HttpRequest& http_request = connection->request();

  const Url& url = http_request.url();

  RestRequest rest_request{
    http_request.method(), http_request.content(), url.query()
  };

  // Get service by URL path.
  std::string path = "/" + url.path();
  auto service = service_manager_.GetService(path, &rest_request.url_matches);

  if (!service) {
    LOG_WARN("No service matches the URL path: %s", url.path().c_str());
    connection->SendResponse(http::Status::kNotFound);
    return;
  }

  // TODO: Let the service to provide the media-type and charset.
  RestResponse rest_response;
  service->Handle(rest_request, &rest_response);

  if (!rest_response.content.empty()) {
    connection->SetResponseContent(std::move(rest_response.content),
                                   http::media_types::kApplicationJson,
                                   http::charsets::kUtf8);
  }

  // Send response back to client.
  connection->SendResponse(rest_response.status);
}

}  // namespace webcc