/* ******************************************************************************
 *
 *
 * This program and the accompanying materials are made available under the
 * terms of the Apache License, Version 2.0 which is available at
 * https://www.apache.org/licenses/LICENSE-2.0.
 *
 *  See the NOTICE file distributed with this work for additional
 *  information regarding copyright ownership.
 * 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.
 *
 * SPDX-License-Identifier: Apache-2.0
 ******************************************************************************/

//
// @author AbdelRauf    (rauf@konduit.ai)
// 

#include <ops/declarable/headers/images.h>
#include <ops/declarable/CustomOperations.h>  
#include <helpers/ConstantTadHelper.h>
#include <execution/Threads.h>

namespace sd {
    namespace ops {



        CONFIGURABLE_OP_IMPL(yiq_to_rgb, 1, 1, true, 0, 0) {

            auto input = INPUT_VARIABLE(0);
            auto output = OUTPUT_VARIABLE(0);

            if (input->isEmpty())
                return Status::OK();

            const int rank = input->rankOf();
            const int arg_size = block.getIArguments()->size();
            const int dimC = arg_size > 0 ? (INT_ARG(0) >= 0 ? INT_ARG(0) : INT_ARG(0) + rank) : rank - 1;

            REQUIRE_TRUE(rank >= 1, 0, "YIQtoRGB: Fails to meet the rank requirement: %i >= 1 ", rank);
            if (arg_size > 0) {
                REQUIRE_TRUE(dimC >= 0 && dimC < rank, 0, "Index of the Channel dimension out of range: %i not in [%i,%i) ", INT_ARG(0), -rank, rank);
            }
            REQUIRE_TRUE(input->sizeAt(dimC) == 3, 0, "YIQtoRGB: operation expects 3 channels (Y, I, Q), but got %i instead", input->sizeAt(dimC));

            helpers::transformYiqRgb(block.launchContext(), input, output, dimC);

            return Status::OK();
        }
         

        DECLARE_TYPES(yiq_to_rgb) {
            getOpDescriptor()->setAllowedInputTypes({ ALL_FLOATS })
                ->setSameMode(true);
        }
         
    }
}