#include "VehiclePlate.h"
#include <cuda_runtime.h>

#include "../../FFNvDecoder/logger.hpp"
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int VehiclePlateDetectRecog_Init(void *&handle, int gpuid, char* auth_license)
{
	vp_detect_param param;
	param.gpuid = gpuid;
	param.thresld = 0.4;
	param.max_batch = 20;
	param.serialize_file = "./serialize_file/VPDetect";
	param.auth_license = "sy_va_sub_sdk_2023";

	vpr_param rparam;
	rparam.gpuid = gpuid;
	rparam.max_batch = 20;
	rparam.serialize_file = "./serialize_file/VPRecg";
	param.auth_license = "sy_va_sub_sdk_2023";

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

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

	return SUCCESS;
}

int VehiclePlateDetectRecog_Process(void * handle,  sy_img * batch_img, int batchsize, vehicle_plate_result *&result)
{
    sy_img cpu_batch_img[batchsize];
	for (int i = 0; i < batchsize; i++)
	{
		if (batch_img[i].data_ == NULL)
		{
			LOG_ERROR("data null ");
			return FAILED;
		}
		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_;
	}

	vehicle_plate_results * all_result = new vehicle_plate_results[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));
		}
	}

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

	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(vehicle_plate_result));
	}

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