#include <stdio.h>
#include <stdlib.h>

int main(int argc, char *argv[]) {
	int i = 0;
	int nums [100];
	int array1 [100];
	int array2 [100];
	int array1Index = 0;
	int array2Index = 0;
	
	//choose path for write all data from console
	//
	printf("Enter path for file where program will write the data from console: ");
	char filePath [50];
	scanf("%s", filePath);
	FILE *fptrM;
		
	if (fptrM == NULL){
		fprintf(fptrM,"Error Reading File\n");
        printf("Error Reading File\n");
        exit (0);
    }
    	
    strncat(filePath, ".txt", 4);
    	
   	fptrM = (fopen(filePath, "w"));
   	
	
	
	//Menu with options for reading array:
	// a) from console
	// b) from text file
	//
	
	char option;
	printf("//type \"a\" to import data from console\n");
	fprintf(fptrM, "//type \"a\" to import data from console\n");
	printf("//type \"b\" to import data from text file\n");
	fprintf(fptrM, "//type \"b\" to import data from text file\n");
	printf("How you want to import data for array? ");
	fprintf(fptrM, "How you want to import data for array? ");
	scanf(" %c", &option);
	if(option == 'a'){
		for(i = 0; i < 100; i = i+1){
			fprintf(fptrM, "Enter value for %d element:", i + 1);
			printf("Enter value for %d element:", i + 1);
			scanf("%d", &nums[i]);
		}
	} 
	
	if(option == 'b'){
		char filePath [50];
		fprintf(fptrM, "Enter path for array load: ");
		printf("Enter path for array load: ");
		
		scanf("%s", filePath);
		FILE *fptr;
		
		if (fptr == NULL){
			fprintf(fptrM, "Error Reading File\n");
        	printf("Error Reading File\n");
        	exit (0);
    	}
    	
    	strncat(filePath, ".txt", 4);
    	
   		fptr = (fopen(filePath, "a+"));
   		
   		for(i = 0; i < 100; i = i + 1){
   			fscanf(fptr, "%d,", &nums[i]);
		}
		
   		fclose(fptr);
	}
	
	fprintf(fptrM, "\n\n---------------------\n\n");
	printf("\n\n---------------------\n\n");
	
	
	
	//Separate numbers in 2 arrays and display all numbers from the first array
	//
	
	for(i = 0; i < 100; i = i+1){
		if(nums[i] < 0 && nums[i] % 3 == 0){
			array1[array1Index] = nums[i];
			array1Index = array1Index + 1;
		} else if (nums[i] > 0 && nums[i] % 7 == 0){
			array2[array2Index] = nums[i];
			array2Index = array2Index + 1;
		}
		fprintf(fptrM, "Value for %d element is: %d\n", i + 1, nums[i]);
		printf("Value for %d element is: %d\n", i + 1, nums[i]);
	}
	
	fprintf(fptrM, "\n\n---------------------\n\n");
	printf("\n\n---------------------\n\n");
	
	//Option menu asking for saving array in file
	// y for yes
	//n for no
	//
	
	fprintf(fptrM, "Do you want to save this array in new file? ");
	printf("Do you want to save this array in new file? ");
	char opt;
	scanf(" %c", &opt);
	if(opt == 'y'){
		char filePath [50];
		fprintf(fptrM, "Enter path to save array: ");
		printf("Enter path to save array: ");
		
		scanf("%s", filePath);
		FILE *fptr;
		
		if (fptr == NULL){
			fprintf(fptrM, "Error Reading File\n");
        	printf("Error Reading File\n");
        	exit (0);
    	}
    	
    	strncat(filePath, ".txt", 4);
    	
   		fptr = (fopen(filePath, "w"));
   		
   		for(i = 0; i < 100; i = i + 1){
   			fprintf(fptr,"%d ", nums[i]);
   			if((i + 1) % 3 == 0){
   				fprintf(fptr,"\n");
			}
		}
		
   		fclose(fptr);
   		
   		fprintf(fptrM, "\n\n---------------------\n\n");
   		printf("\n\n---------------------\n\n");
	}
	
	
	
	//Display all numbers from 1-st array
	//
	
	for(i = 0; i < array1Index; i = i+1){
		fprintf(fptrM, "Array 1 => %d value: %d \n", i + 1, array1[i]);
		printf("Array 1 => %d value: %d \n", i + 1, array1[i]);
	}
	fprintf(fptrM, "\n\n---------------------\n\n");
	printf("\n\n---------------------\n\n");
	
	
	
	//Display all numbers from 2-nd array
	//
	
	for(i = 0; i < array2Index; i = i+1){		
		fprintf(fptrM, "Array 2 => %d value: %d \n", i + 1, array2[i]);
		printf("Array 2 => %d value: %d \n", i + 1, array2[i]);
	}
	
	fprintf(fptrM, "\n\n---------------------\n\n");
	printf("\n\n---------------------\n\n");
	
	
	
	//Find the most repetitive number in first array 
	//
	
	int seen [100];
	int mostRepetitiveNum = array1[0];
	int mostRepetitiveNumCount = 1;
	for(i = 0; i < array1Index; i = i+1){
		seen[i] = 0;
	}
	
	for(i = 0; i < array1Index; i++) {
        if(seen[i] == 0) {
            int count = 0;
            int j;
            for(j = i; j < array1Index; j++)
                if(array1[j] == array1[i]) {
                    count += 1;
                    seen[j] = 1;
                }
            if(count > mostRepetitiveNumCount){
            	mostRepetitiveNumCount = count;
            	mostRepetitiveNum = array1[i];
			}
        }
    }
    
    fprintf(fptrM, "Most repetitive number in array1 is %d => %d times\n", 
	mostRepetitiveNum, 
	mostRepetitiveNumCount);
    printf("Most repetitive number in array1 is %d => %d times\n", 
	mostRepetitiveNum, 
	mostRepetitiveNumCount);
    
    fprintf(fptrM, "\n\n---------------------\n\n");
    printf("\n\n---------------------\n\n");
    
    
    
    
    //Find the most repetitive number in second array 
	//
	
	mostRepetitiveNum = array2[0];
	mostRepetitiveNumCount = 1;
	for(i = 0; i < array2Index; i = i+1){
		seen[i] = 0;
	}
	
	for(i = 0; i < array2Index; i++) {
        if(seen[i] == 0) {
            int count = 0;
            int j;
            for(j = i; j < array2Index; j++)
                if(array2[j] == array2[i]) {
                    count += 1;
                    seen[j] = 1;
                }
            if(count > mostRepetitiveNumCount){
            	mostRepetitiveNumCount = count;
            	mostRepetitiveNum = array2[i];
			}
        }
    }
    
    
	fprintf(fptrM, "Most repetitive number in array2 is %d => %d times\n", 
	mostRepetitiveNum, 
	mostRepetitiveNumCount);
    printf("Most repetitive number in array2 is %d => %d times\n", 
	mostRepetitiveNum, 
	mostRepetitiveNumCount);
	
	fprintf(fptrM, "\n\n---------------------\n\n");
	printf("\n\n---------------------\n\n");
	
	//sort arrays and save them in another files
	//
	int c, swap, d;
	for (c = 0 ; c < array1Index - 1; c++)
  	{
    	for (d = 0 ; d < array1Index - c - 1; d++)
    	{
      		if (array1[d] > array1[d+1])
      		{
        		swap = array1[d];
        		array1[d] = array1[d+1];
       			array1[d+1] = swap;
      		}
    	}
  	}
  	
  	
  	for (c = 0 ; c < array2Index - 1; c++)
  	{
    	for (d = 0 ; d < array2Index - c - 1; d++)
    	{
      		if (array2[d] > array2[d+1])
      		{
        		swap = array2[d];
        		array2[d] = array2[d+1];
       			array2[d+1] = swap;
      		}
    	}
  	}
  	
  	FILE *fptr1;
		
	if (fptr1 == NULL){
		fprintf(fptrM,"Error Reading File\n");
    	printf("Error Reading File\n");
       	exit (0);
    }
    
   	fptr1 = (fopen("sortedArray1.txt", "w"));
   		
   	for(i = 0; i < array1Index; i = i + 1){
   		fprintf(fptr1,"%d\n", nums[i]);
	}
		
   	fclose(fptr1);

	
	FILE *fptr2;
		
	if (fptr2 == NULL){
		fprintf(fptrM,"Error Reading File\n");
    	printf("Error Reading File\n");
       	exit (0);
    }
    
   	fptr2 = (fopen("sortedArray2.txt", "w"));
   		
   	for(i = 0; i < array2Index; i = i + 1){
   		fprintf(fptr2, "%d\n", array2[i]);
	}
		
   	fclose(fptr2);

   	fclose(fptrM);
	return 0;
}