#pragma once

#include <stdbool.h>
#include <stdint.h>

#include "app_interfaces.h"
#include "app_config.h"
#include "game_types.h"

typedef uint8_t session_result_t;
enum {
  SESSION_RESULT_OK,
  SESSION_RESULT_INVALID_NAME,
  SESSION_RESULT_INVALID_ROLE,
  SESSION_RESULT_NO_PLAYER_SLOT,
  SESSION_RESULT_NO_SPECTATOR_SLOT,
  SESSION_RESULT_UNAUTHORIZED,
  SESSION_RESULT_WRONG_PHASE,
};

typedef struct {
  role_t role;
  bool occupied;
  bool connected;
  uint8_t token[kSessionTokenBytes];
  char name[kDisplayNameBytes + 1];
} session_t;
typedef struct { session_t entries[kSessionCapacity]; } session_manager_t;

void session_manager_init(session_manager_t *manager);
session_result_t session_manager_join(session_manager_t *manager, role_t requested_role, const char *name,
                                      random_source_t random, uint8_t *session_index);
session_result_t session_manager_resume(session_manager_t *manager, const uint8_t token[kSessionTokenBytes],
                                        uint8_t *session_index);
bool session_manager_disconnect(session_manager_t *manager, uint8_t session_index);
session_result_t session_manager_leave(session_manager_t *manager, uint8_t session_index, phase_t phase);
bool session_manager_player_present(const session_manager_t *manager, uint8_t player_index);

_Static_assert(sizeof(session_t) <= 104, "session grew beyond fixed budget");
_Static_assert(sizeof(session_manager_t) <= 1040, "session table grew beyond fixed budget");