#include "../includes/dictionary.h"
#include <stdio.h>
#include <stdlib.h>
#include <string.h>

#define DEFAULT_DICT_SIZE 64

struct _dictionary {
    int Capacity;
    int Size;
    KeyValPair** Pairs;
};

struct _dictionary* DictionaryCreate(void) {
    struct _dictionary* dict = calloc(1, sizeof(Dictionary));
    dict->Pairs = calloc(sizeof(KeyValPair*), DEFAULT_DICT_SIZE);

    dict->Capacity = DEFAULT_DICT_SIZE;

    return dict;
}

KeyValPair* KeyValPairCreate(const char* key, void* value) {
    KeyValPair* pair = calloc(1, sizeof(KeyValPair));

    pair->Key = key;
    pair->Value = value;

    return pair;
}

int DictionaryAdd(struct _dictionary* dict, const char* key, void* value) {
    if (!dict) return 0;

    if (dict->Size == dict->Capacity) {
        dict->Pairs = realloc(dict->Pairs, sizeof(KeyValPair*) * dict->Capacity * 2);

        dict->Capacity *= 2;
    }

    dict->Pairs[dict->Size] = KeyValPairCreate(key, value);
    dict->Size++;

    return 1;
}

void* DictionaryGetValue(const struct _dictionary* dict, const char* key) {
    if (!dict) return NULL;

    for(int i = 0; i < dict->Size; i++) {
        KeyValPair* pair = dict->Pairs[i];

        if (strcmp(pair->Key, key) == 0) {
            return pair->Value;
        }
    }

    return NULL;
}