/*
 * Copyright (C) 2020 Intel Corporation
 *
 * 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.
 */

#define LOG_TAG "IntelTNRClient"

#include "modules/sandboxing/client/IntelTNR7US.h"

#include <string>

#include "iutils/CameraLog.h"
#include "iutils/Utils.h"

namespace icamera {

IntelTNR7US::IntelTNR7US(int cameraId)
        : mCameraId(cameraId),
          mTnrType(TNR_INSTANCE_MAX),
          mTnrRequestInfo(nullptr) {
    LOG1("%s ", __func__);
}

IntelTNR7US::~IntelTNR7US() {
    LOG1("%s ", __func__);
    // the instance not initialized, don't need to free
    if (mTnrType != TNR_INSTANCE_MAX) {
        mTnrRequestInfo->type = mTnrType;
        mTnrRequestInfo->cameraId = mCameraId;

        int32_t requestHandle =
            mCommon.getShmMemHandle(static_cast<void*>(mTnrRequestInfo), GPU_ALGO_SHM);
        int ret = mCommon.requestSync(IPC_GPU_TNR_DEINIT, requestHandle);
        CheckError(!ret, VOID_VALUE, "@%s, requestSync fails", __func__);
        mCommon.freeShmMem(mTnrRequestInfoMem, GPU_ALGO_SHM);
    }
}

int IntelTNR7US::init(int width, int height, TnrType type) {
    uintptr_t personal = reinterpret_cast<uintptr_t>(this);
    std::string initName = "/TnrRun" + std::to_string(personal) + "Shm";
    mTnrRequestInfoMem.mName = initName.c_str();
    mTnrRequestInfoMem.mSize = sizeof(TnrRequestInfo);
    bool ret = mCommon.allocShmMem(mTnrRequestInfoMem.mName, mTnrRequestInfoMem.mSize,
                                   &mTnrRequestInfoMem, GPU_ALGO_SHM);
    CheckError(!ret, UNKNOWN_ERROR, "@%s, allocShmMem fails", __func__);
    mTnrRequestInfo = static_cast<TnrRequestInfo*>(mTnrRequestInfoMem.mAddr);

    initName = "/TnrInit" + std::to_string(personal) + "Shm";
    ShmMemInfo initInfoMems;
    initInfoMems.mName = initName.c_str();
    initInfoMems.mSize = sizeof(TnrInitInfo);
    ret = mCommon.allocShmMem(initInfoMems.mName, initInfoMems.mSize, &initInfoMems, GPU_ALGO_SHM);
    if (!ret) {
        LOGE("@%s, alloc initInfo ShmMem fails", __func__);
        mCommon.freeShmMem(mTnrRequestInfoMem, GPU_ALGO_SHM);
        return UNKNOWN_ERROR;
    }

    TnrInitInfo* initInfo = static_cast<TnrInitInfo*>(initInfoMems.mAddr);
    *initInfo = {width, height, mCameraId, type};

    ret = mCommon.requestSync(IPC_GPU_TNR_INIT, initInfoMems.mHandle);
    if (!ret) {
        LOGE("@%s, IPC %d failed", __func__, IPC_GPU_TNR_INIT);
        mCommon.freeShmMem(mTnrRequestInfoMem, GPU_ALGO_SHM);
    }
    mCommon.freeShmMem(initInfoMems, GPU_ALGO_SHM);
    mTnrType = type;
    LOG1("%s size %dx%d, type %d", __func__, width, height, mTnrType);

    return ret ? OK : UNKNOWN_ERROR;
}

int IntelTNR7US::runTnrFrame(const void* inBufAddr, void* outBufAddr, uint32_t inBufSize,
                             uint32_t outBufSize, Tnr7Param* tnrParam, int fd) {
    LOG1("%s type:%d", __func__, mTnrType);
    CheckError(!inBufAddr || !outBufAddr || !tnrParam, UNKNOWN_ERROR,
               "@%s, invalid data buffer or parameter buffer", __func__);
    int32_t inHandle = mCommon.getShmMemHandle(const_cast<void*>(inBufAddr), GPU_ALGO_SHM);
    CheckError(inHandle < 0, UNKNOWN_ERROR, "@%s, can't find inBuf handle", __func__);
    CheckError(mParamMems.mAddr != tnrParam, UNKNOWN_ERROR, "@%s, invalid tnr parameter", __func__);

    if (fd >= 0) {
        LOG1("%s type:%d using usr buffer fd: %d", __func__, mTnrType, fd);
        mTnrRequestInfo->outHandle = mCommon.registerGbmBuffer(fd, GPU_ALGO_SHM);
    } else {
        mTnrRequestInfo->outHandle =
            mCommon.getShmMemHandle(static_cast<void*>(outBufAddr), GPU_ALGO_SHM);
    }
    CheckError(mTnrRequestInfo->outHandle < 0, UNKNOWN_ERROR, "@%s, can't init outBuf handle",
               __func__);

    mTnrRequestInfo->inHandle = inHandle;
    mTnrRequestInfo->paramHandle = mParamMems.mHandle;
    mTnrRequestInfo->type = mTnrType;
    mTnrRequestInfo->cameraId = mCameraId;
    mTnrRequestInfo->outBufFd = fd;

    int32_t requestHandle =
        mCommon.getShmMemHandle(static_cast<void*>(mTnrRequestInfo), GPU_ALGO_SHM);
    bool ret = mCommon.requestSync(IPC_GPU_TNR_RUN_FRAME, requestHandle);

    if (fd >= 0) {
        mCommon.deregisterGbmBuffer(mTnrRequestInfo->outHandle, GPU_ALGO_SHM);
    }

    CheckError(!ret, OK, "@%s, run tnr fails", __func__);

    return OK;
}

void* IntelTNR7US::allocCamBuf(uint32_t bufSize, int id) {
    LOG1("Enter %s type:%d, size %d", __func__, mTnrType, bufSize);

    uintptr_t personal = reinterpret_cast<uintptr_t>(this);
    std::string initName = "/TnrCam" + std::to_string(personal) + std::to_string(id) + "Shm";
    ShmMemInfo shm;
    shm.mName = initName.c_str();
    shm.mSize = bufSize;
    bool ret = mCommon.allocShmMem(shm.mName, shm.mSize, &shm, GPU_ALGO_SHM);
    CheckError(!ret, nullptr, "@%s, allocShmMem fails", __func__);
    mTnrRequestInfo->surfaceHandle = shm.mHandle;
    mTnrRequestInfo->type = mTnrType;
    mTnrRequestInfo->cameraId = mCameraId;

    int32_t requestHandle =
        mCommon.getShmMemHandle(static_cast<void*>(mTnrRequestInfo), GPU_ALGO_SHM);
    ret = mCommon.requestSync(IPC_GPU_TNR_PREPARE_SURFACE, requestHandle);
    if (!ret) {
        mCommon.freeShmMem(shm, GPU_ALGO_SHM);
        return nullptr;
    }
    mCamBufMems.push_back(shm);
    LOG1("Exit %s Fd: %d", __func__, shm.mFd);

    return shm.mAddr;
}

void IntelTNR7US::freeAllBufs() {
    LOG1("%s type:%d", __func__, mTnrType);
    if (mParamMems.mAddr) {
        mCommon.freeShmMem(mParamMems, GPU_ALGO_SHM);
    }
    for (auto& camBuf : mCamBufMems) {
        if (camBuf.mAddr) {
            mCommon.freeShmMem(camBuf, GPU_ALGO_SHM);
        }
    }
}

Tnr7Param* IntelTNR7US::allocTnr7ParamBuf() {
    LOG1("%s type:%d", __func__, mTnrType);
    uintptr_t personal = reinterpret_cast<uintptr_t>(this);
    std::string initName = "/TnrParam" + std::to_string(personal) + "Shm";

    mParamMems.mName = initName.c_str();
    mParamMems.mSize = sizeof(Tnr7Param);
    bool ret = mCommon.allocShmMem(mParamMems.mName, mParamMems.mSize, &mParamMems, GPU_ALGO_SHM);
    CheckError(!ret, nullptr, "@%s, allocShmMem fails", __func__);

    return reinterpret_cast<Tnr7Param*>(mParamMems.mAddr);
}

int IntelTNR7US::asyncParamUpdate(int gain, bool forceUpdate) {
    LOG1("%s type:%d", __func__, mTnrType);
    mTnrRequestInfo->gain = gain;
    mTnrRequestInfo->type = mTnrType;
    mTnrRequestInfo->cameraId = mCameraId;
    mTnrRequestInfo->isForceUpdate = forceUpdate;

    int32_t requestHandle =
        mCommon.getShmMemHandle(static_cast<void*>(mTnrRequestInfo), GPU_ALGO_SHM);
    bool ret = mCommon.requestSync(IPC_GPU_TNR_PARAM_UPDATE, requestHandle);

    CheckError(!ret, UNKNOWN_ERROR, "@%s, IPC_GPU_TNR_PARAM_UPDATE requestSync fails", __func__);
    return OK;
}

}  // namespace icamera