#include <evapp/scaffold.h>

void handle_view(evapp_ctx *ctx) {
  u_int64_t id = 0;
  char dbname[32];
  struct app_settings *settings;
  evapp_db *db;
  HDF *hdf;
  struct evhttp_request *request = evapp_request(ctx);
  // XXX: use shared response buffer from the ctx by
  // first draining it. Or not - drain at the end.
  bool loaded = false;

  assert(request && ctx);

  settings = evapp_get_state(ctx);
  if (!settings) {
    send_error(ctx, "application state unavailable");
    return;
  }

  if (!get_last_value_as_uint64(ctx, &id)) {
    send_not_found(ctx, "no valid object id was supplied");
    return;
  }
  // returns a pointer back into the request object.
  if (!get_database_from_uri(request->uri, dbname, sizeof(dbname))) {
    send_not_found(ctx, "no valid object type was found");
    return;
  }

  // Find our interface and call the loader.
  db = evapp_db_select(ctx, dbname);
  if (db && db->load)
    loaded = db->load(ctx, id, &hdf);

  if (!loaded) {
    send_not_found(ctx, "object does not exist");
    return;
  }

  // Set an XSRF protection token just in case
  if (evapp_get_xsrf_protection(ctx) && !set_xsrf_token(ctx, hdf)) {
    send_not_found(ctx, "xsrf token subsystem failure");
    hdf_destroy(&hdf);
    return;
  }

  if (!template_render(ctx, hdf, "/view/", dbname))
    send_not_found(ctx, "template not found");

  hdf_destroy(&hdf);
  return;
}