/*
 * Copyright (c) 2023 Fancy Code.
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
#include "TcpModule.h"
#include "ILog.h"
#include "ITcpClient.h"
#include "ITcpServer.h"
#include "TcpModuleMakePtr.h"
#include <cstddef>
#include <cstdlib>
#include <memory>
#include <sys/types.h>
static bool TcpServerObjectCheck(void *object)
{
    if (nullptr == object) {
        LogError("nullptr object!\n");
        return false;
    }
    if (*((const char **)(((char *)object) - sizeof(ITcpServerHeader))) != GetTcpServerModuleName()) {
        LogError("Illegal object!\n");
        return false;
    }
    return true;
}
static bool TcpClientObjectCheck(void *object)
{
    if (nullptr == object) {
        LogError("nullptr object!\n");
        return false;
    }
    if (*((const char **)(((char *)object) - sizeof(ITcpClientHeader))) != GetTcpClientModuleName()) {
        LogError("Illegal object!\n");
        return false;
    }
    return true;
}
void *CreateTcpServer(const TcpServerParam param)
{
    std::shared_ptr<ITcpServer> *server = TcpModuleMakePtr::GetInstance()->CreateTcpServer(param);
    if (nullptr != *server) {
        (*server)->Init();
    }
    return server;
}
void FreeTcpServer(void *object)
{
    if (TcpServerObjectCheck(object) == true) {
        (*(std::shared_ptr<ITcpServer> *)object)->UnInit();
        (*(std::shared_ptr<ITcpServer> *)object).reset();
        free(((char *)object) - sizeof(ITcpServerHeader)); // TODO: bug?
    }
}
ssize_t AcceptClientWrite(void *object, const void *buf, const size_t bufLenght)
{
    if (TcpClientAcceptObjectCheck(object) == true) {
        return (*(std::shared_ptr<ITcpClientAccept> *)object)->Write(buf, bufLenght);
    }
    return TCP_MODULE_WRITE_ERROR;
}
void AcceptClientClose(void *object)
{
    if (TcpClientAcceptObjectCheck(object) == true) {
        return (*(std::shared_ptr<ITcpClientAccept> *)object)->Close();
    }
}
void *CreateTcpClient(const TcpClientParam param)
{
    std::shared_ptr<ITcpClient> *client = TcpModuleMakePtr::GetInstance()->CreateTcpClient(param);
    if (nullptr != *client) {
        (*client)->Init();
    }
    return client;
}
void FreeTcpClient(void *object)
{
    if (TcpClientObjectCheck(object) == true) {
        (*(std::shared_ptr<ITcpClient> *)object)->UnInit();
        (*(std::shared_ptr<ITcpClient> *)object).reset();
        free(((char *)object) - sizeof(ITcpClientHeader));
    }
}
ssize_t TcpClientWrite(void *object, const void *buf, const size_t bufLenght)
{
    if (TcpClientObjectCheck(object) == true) {
        return (*(std::shared_ptr<ITcpClient> *)object)->Write(buf, bufLenght);
    }
    return -1;
}