/*******************************************************************************
 *   Copyright (c) 2019 Dortmund University of Applied Sciences and Arts and others.
 *  
 *   This program and the accompanying materials are made
 *   available under the terms of the Eclipse Public License 2.0
 *   which is available at https://www.eclipse.org/legal/epl-2.0/
 *  
 *   SPDX-License-Identifier: EPL-2.0
 *  
 *   Contributors:
 *        Dortmund University of Applied Sciences and Arts - initial API and implementation
 *******************************************************************************/

#include "host_utils.h"

void array_init(unsigned array[],unsigned array_size){
	for (int i=0;i<array_size;i++){
		array[i] = 0;
	}
}


void user_config_print_legend(LabelVisual core_config,unsigned array[]){
	for (int i=0;i<core_config.num_visible_labels;i++){
		fprintf(stderr,"(L,%u,%u,%u)|",core_config.row,core_config.col,array[i]);
	}
}

void user_config_print_values(LabelVisual core_config,unsigned array[],unsigned int values_array[],unsigned int prv_val_array[]){
	for(int i=0;i<core_config.num_visible_labels;i++){
		int val_ind = array[i];
		unsigned int val_to_print = values_array[val_ind];
		if (val_to_print == prv_val_array[val_ind]){
			fprintf(stderr,"  ----   |");
		}else {
			fprintf(stderr,"  %4d   |",val_to_print);
			prv_val_array[val_ind] = val_to_print;
		}

	}
}

LabelVisual get_user_input(unsigned indices[]){
	unsigned row_in,col_in,label_num;
	printf("Enter row and column of core to read ");
	scanf("%u,%u",&row_in,&col_in);
	printf("Enter number of visible labels");
	scanf("%u",&label_num);
	unsigned visible_label_array[label_num];
	printf("Enter indices of labels\n");
	for (int i=0;i<label_num;i++){
		scanf("%u",&indices[i]);
	}
	LabelVisual retVal;
	retVal.row = row_in;
	retVal.col = col_in;
	retVal.num_visible_labels = label_num;
	return retVal;
}


void user_config_print_legend_auto(unsigned array_length,unsigned array[]){
	for (int i=0;i<array_length;i++){
		fprintf(stderr,"(F,%u)|",array[i]);
	}
}

void user_config_print_values_auto(unsigned visible_label_count,unsigned array[],unsigned int values_array[],unsigned int prv_val_array[]){
	for(int i=0;i<visible_label_count;i++){
		int val_ind = array[i];
		unsigned int val_to_print = values_array[val_ind];
		if (val_to_print == prv_val_array[val_ind]){
			fprintf(stderr,"            |");
		}else {
			fprintf(stderr," %10d |",val_to_print);
			prv_val_array[val_ind] = val_to_print;
		}
	}
}

unsigned get_user_input_DRAM(unsigned indices[]){
	unsigned label_num;
	printf("Enter number of visible labels( shared mem)");
	scanf("%u",&label_num);
	unsigned visible_label_array[label_num];
	printf("Enter indices of labels\n");
	for (int i=0;i<label_num;i++){
		scanf("%u",&indices[i]);
	}
	return label_num;
}

void print_legend_enum (unsigned label_count,unsigned label_positions[], unsigned memory_type){
	char buf[label_count*label_str_len];
	for (int i=0;i<label_str_len;i++){
		buf[i] = " ";
	}
	char small_buf[label_str_len];
	//array_init(buf,label_str_len);
	if (memory_type==MEM_TYPE_SHM){
		for (int i=0;i<label_count;i++){
			get_SHM_label_name(i,small_buf);
			fprintf(stderr,"| %s ",small_buf);
			//fflush(stderr);
		}
	} else {
		for (int i=0;i<label_count;i++){
			get_DSHM_label_name(i,small_buf);
			fprintf(stderr,"| %s ", small_buf);
		}
	}
	//fprintf(stderr,"%s",buf);
	//fflush(stderr);
}


int nsleep(long miliseconds){
   struct timespec req, rem;
   if(miliseconds > 999){
        req.tv_sec = (int)(miliseconds / 1000);                            /* Must be Non-Negative */
        req.tv_nsec = (miliseconds - ((long)req.tv_sec * 1000)) * 1000000; /* Must be in range of 0 to 999999999 */
   } else {
        req.tv_sec = 0;                         /* Must be Non-Negative */
        req.tv_nsec = miliseconds * 1000000;    /* Must be in range of 0 to 999999999 */
   }
   return nanosleep(&req , &rem);
}