#include <scc_strpool.h>

void scc_strpool_init(scc_strpool_t *pool) {
    pool->ht.hash_func = (u32 (*)(const void *))scc_strhash32;
    pool->ht.key_cmp = (int (*)(const void *, const void *))scc_strcmp;
    scc_hashtable_init(&pool->ht);
}

const char *scc_strpool_intern(scc_strpool_t *pool, const char *str) {
    void *existing = scc_hashtable_get(&pool->ht, str);
    if (existing) {
        return existing;
    }

    usize len = scc_strlen(str) + 1;
    char *new_str = scc_malloc(len);
    if (!new_str) {
        LOG_ERROR("strpool: Failed to allocate memory for string");
        return NULL;
    }
    scc_memcpy(new_str, str, len);

    scc_hashtable_set(&pool->ht, new_str, new_str);
    return new_str;
}

void scc_strpool_drop(scc_strpool_t *pool) { scc_hashtable_drop(&pool->ht); }

void scc_strpool_foreach(scc_strpool_t *pool, scc_strpool_iter_fn iter_func,
                         void *context) {
    scc_hashtable_foreach(&pool->ht, (scc_hashtable_iter_fn)iter_func, context);
}