#define _CRT_SECURE_NO_WARNINGS
#include <stdlib.h>
#include <stdio.h>
#include <string.h>

#define INPUT_FILE "input_setA.txt"

/* The maximum name length and number of people and movies */
#define MAX_NAME_LENGTH 200
#define MAX_PEOPLE 700
#define MAX_MOVIES 200

void Algorithm1(char Name[MAX_NAME_LENGTH]);
void Data(void);
/* The only global variables permitted in this project are below */
char movies[MAX_MOVIES][MAX_NAME_LENGTH] = {0};
char people[MAX_PEOPLE][MAX_NAME_LENGTH] = {0};
int ratings[MAX_PEOPLE][MAX_MOVIES] = {0};
int numberOfMovies = 0;
int numberOfPeople = 0;

int main(void)
{
	char Name[MAX_NAME_LENGTH];
	int j,MaxAverage,count,sum,average,maxIndex;
	Data();

	printf("Algorithm 1\n");
	printf("Calculate recommendautions for:");
	scanf("%s",Name);
	Algorithm1(Name);
	printf("Recommended movie: %s\n",movies[j]);

	printf("Average rating: %d\n",MaxAverage);




	return 0;
}

/*int getpersonID(char *person) {
	int i;
	for (i=0;i<numberOfPeople;i++){
		if(strcmp(people[numberOfPeople],person)==0){
		return i;

		}
	}
}

int getmovieName(char *movie_name){
	int j;
	for(j=0;j<numberOfMovies;j++){
		if(strcmp(movies[numberOfMovies],movie_name)==0){
			return j;
		}
	}
}*/

void Data(void)
{
	char person[MAX_NAME_LENGTH];
	char movie_name[MAX_NAME_LENGTH];
	int rating;
	FILE*fp;

	 int GETPERSON(char *person);
	int count=0,i=0,repeat,j=0;

	fp=fopen(INPUT_FILE,"r");

	if(fp==0){
		printf("Can not find the file\n");
		exit(EXIT_FAILURE);
	}
	while (fscanf(fp,"%s %s %d",person,movie_name,&rating)!=EOF){
		repeat=0;

		for (i=0;i<numberOfPeople;i++){
			if(strcmp(person,people[i])==0){
				repeat=1;
			break;
			}
		}
		if(repeat!=1){
			strcpy(people[numberOfPeople],person);
			numberOfPeople++;
		}
		repeat=0;
		for (j=0;j<numberOfMovies;j++){
			if(strcmp(movie_name,movies[j])==0){
				repeat=1;
			 break;
			}
		}
		if(repeat!=1){
			strcpy(movies[numberOfMovies],movie_name);
			numberOfMovies++;
		}
		ratings[i][j]=rating;
	}
}

void Algorithm1(char Name[MAX_NAME_LENGTH])
{
	int i,j,count,sum,average,MaxAverage,maxIndex;

	for(i=0;i<numberOfPeople;i++){
		for(j=0;j<numberOfMovies;j++){
			if (ratings[i][j]!=0){
				sum+=ratings[i][j];
				 count++;
			}
		}

	average=sum/count;}

    for(j=0;j<count;j++){
		if(MaxAverage<average){
			MaxAverage=average;
		}
		maxIndex=j;
	}

}