#include <gflags/gflags.h>

#include "communication/bolt/client.hpp"
#include "io/network/endpoint.hpp"
#include "io/network/utils.hpp"

DEFINE_string(address, "127.0.0.1", "Server address");
DEFINE_int32(port, 7687, "Server port");
DEFINE_string(username, "admin", "Username for the database");
DEFINE_string(password, "admin", "Password for the database");
DEFINE_bool(use_ssl, false, "Set to true to connect with SSL to the server.");

/**
 * Verifies that user 'user' has privileges that are given as positional
 * arguments.
 */
int main(int argc, char **argv) {
  gflags::ParseCommandLineFlags(&argc, &argv, true);

  communication::SSLInit sslInit;

  io::network::Endpoint endpoint(io::network::ResolveHostname(FLAGS_address), FLAGS_port);

  communication::ClientContext context(FLAGS_use_ssl);
  communication::bolt::Client client(&context);

  client.Connect(endpoint, FLAGS_username, FLAGS_password);

  try {
    auto ret = client.Execute("SHOW PRIVILEGES FOR user", {});
    const auto &records = ret.records;
    uint64_t count_got = 0;
    for (const auto &record : records) {
      count_got += record.size();
    }
    if (count_got != argc - 1) {
      LOG_FATAL("Expected the grants to have {} entries but they had {} entries!", argc - 1, count_got);
    }
    uint64_t pos = 1;
    for (const auto &record : records) {
      for (const auto &value : record) {
        std::string expected(argv[pos++]);
        if (value.ValueString() != expected) {
          LOG_FATAL("Expected to get the value '{} but got the value '{}'", expected, value.ValueString());
        }
      }
    }
  } catch (const communication::bolt::ClientQueryException &e) {
    LOG_FATAL(
        "The query shoudn't have failed but it failed with an "
        "error message '{}'",
        e.what());
  }

  return 0;
}