/*
 * 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.
 */
#ifndef UARTDE_VICEIMPL_H
#define UARTDE_VICEIMPL_H
#include "StatusCode.h"
#include "UartDevice.h"
#include <cstddef>
#include <memory>
#define UART_DEVICE_INIT_NAME "UART"
typedef struct uart_device_header
{
    const char *mCheckName;
} UartDeviceHeader;
class UartDeviceImpl
{
public:
    UartDeviceImpl(const UartInfo &uatrInfo);
    virtual ~UartDeviceImpl() = default;
    const StatusCode UartOpen(void);
    const ssize_t UartSend(const void *buff, const size_t &buffLength);
    const ssize_t UartRecv(void *buff, const size_t &buffLength, const unsigned int &timeOutMs = 0,
                           const unsigned int delayReadMs = 0);
    void UartTcflush(void);

private:
    const StatusCode SetConfig(void);

private:
    const UartInfo mUatrInfo;
    int mFd;
};
typedef struct uart_device UartDevice;
typedef struct uart_device
{
    const StatusCode (*mOpen)(UartDevice *);
    const ssize_t (*mSend)(UartDevice *, const void *, const size_t);
    const ssize_t (*mRecv)(UartDevice *, void *, const size_t, const unsigned int);
    void (*mTcflush)(UartDevice *);
    void (*mFree)(void *);
} UartDevice;
// TODO: There may be a CPU byte alignment bug.
typedef struct uart_device_impl UartDeviceImpl_S;
typedef struct uart_device_impl
{
    UartDeviceHeader mHeader;
    UartDevice mBase;
    std::shared_ptr<UartDeviceImpl> mUartImpl;
} UartDeviceImpl_S;
UartDevice *NewUartDeviceImpl(const UartInfo &uartInfo);
static inline UartDeviceImpl_S *UartDeviceImplConvert(UartDevice *object)
{
    return ((UartDeviceImpl_S *)(((char *)object) - sizeof(UartDeviceHeader)));
}
const char *GetUartDeviceModuleName(void);
#endif