#include <stdio.h>
#include <stdlib.h>
#include <stdbool.h>
#include "counter.h"
#include "hash_table.h"

struct counter {
    HashTable ht;
};

Counter CounterNew(void) {
    Counter c = malloc(sizeof(*c));
    c->ht = HashTableNew();
    return c;
}

void CounterFree(Counter c) {
    HashTableFree(c->ht);
    free(c);
    return;
}

void CounterAdd(Counter c, int item) {
    bool is_in = HashTableContains(c->ht, item);
    if (!is_in) {
        HashTableInsert(c->ht, item, 1);
    }
    else {
        int val = HashTableGet(c->ht, item);
        val++;
        HashTableInsert(c->ht, item, val);
    }
}

int CounterGet(Counter c, int item) {
    if (HashTableContains(c->ht, item)) {
        return HashTableGet(c->ht, item);
    }
    return 0;
}