#include "VehiclePlate.h"
#include <cuda_runtime.h>
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int VehiclePlateDetectRecog_Init(void *&handle, int gpuid, char* auth_license)
{
	vpd_param param;
    param.gpuid = gpuid;
    param.thresld = 0.3;
	param.max_batch = 20;
	param.serialize_file = "./serialize_file/VPD";
	param.auth_license = auth_license;

	vpr_param rparam;
    rparam.gpuid =gpuid;
	param.max_batch = 20;
	param.serialize_file = "./serialize_file/VPR";

    int ret = vpdr_init(&handle, param, rparam);


	if (ret != 0)
	{
		cout << "Init platedr Failed!" << endl;
		return FAILED;
	}
        

	return SUCCESS;
}

int VehiclePlateDetectRecog_Process(void * handle,  sy_img * batch_img, int batchsize, vplate_result *&result)
{
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	vplates_result * all_result = new vplates_result[batchsize] {};
	for (int i = 0; i<batchsize; i++)
	{
		for (int j = 0; j < MAXPLATECOUNT; j++)
		{
			memset(&all_result[i].vehicle_plate_infos[j].rect, -1, sizeof(sy_rect));
		}
	}

    sy_img cpu_batch_img[batchsize];
	for (int i = 0; i < batchsize; i++)
	{
		if (batch_img[i].data_ == NULL)
		{
			cout << i << " data null" << endl;
		}
		cpu_batch_img[i].data_ = (unsigned char *)malloc(batch_img[i].w_ *batch_img[i].h_ * batch_img[i].c_ * sizeof(unsigned char));
		cudaMemcpy(cpu_batch_img[i].data_, batch_img[i].data_, batch_img[i].w_ *batch_img[i].h_ * batch_img[i].c_ * sizeof(unsigned char), cudaMemcpyDeviceToHost);
		cpu_batch_img[i].w_ = batch_img[i].w_;
		cpu_batch_img[i].h_ = batch_img[i].h_; 
		cpu_batch_img[i].c_ = batch_img[i].c_;
	}

	int index_count = vpdr_batch(handle, cpu_batch_img, batchsize, all_result);

	for (int b = 0; b < batchsize; b++)
	{ 
		double max_score = 0.0;
		int best_index = 0;
		for (int j = 0; j < MAXPLATECOUNT; j++)
		{
			if (all_result[b].vehicle_plate_infos[j].rect.left_ == -1)
			{
				continue;
			}

			if (all_result[b].vehicle_plate_infos[j].detect_score > max_score)
			{
				max_score = all_result[b].vehicle_plate_infos[j].detect_score;
				best_index = j;
			}
		}

		memcpy(&result[b], &all_result[b].vehicle_plate_infos[best_index], sizeof(vplate_result));
	}

	for (int i = 0; i < batchsize; i++) {
		free(cpu_batch_img[i].data_);
		cpu_batch_img[i].data_ = nullptr;
	}

	if (all_result != NULL)
		delete [] all_result;

	return SUCCESS;
}

int VehiclePlateDetectRecog_Release(void *& handle)
{
	if (handle)
	vpdr_release(&handle);
	return SUCCESS;
}