#include <string.h>

#include "block.h"
#include "util.h"
#include "any_log.h"

void block_update(block_t *block)
{
    if (block->update_cb != NULL) {
        struct timespec now, diff;
        timespec_get(&now, TIME_UTC);
        diff = timespec_diff(block->update_last, now);

        if (timespec_greater(diff, block->update_interval)) {
            log_value_debug("Updating block",
                            "s:label", block->label);

            block->update_cb(block);
            block->update_last = now;
        }
    }

    if (block->type == BLOCK_GROUP) {
        for (int i = 0; i < block->group.n_children; i++)
            block_update(block->group.children[i]);
    }
}

void block_copy(block_t *copy, const block_t *block)
{
    memcpy(copy, block, sizeof(block_t));

    // NOTE: Strings must be copied
    copy->label = strcopy(block->label);

    if (block->type == BLOCK_TEXT) {
        copy->text.text = strcopy(block->text.text);
    } else if (block->type == BLOCK_GROUP) {
        copy->group.children = calloc(block->group.n_children, sizeof(block_t *));

        for (int i = 0; i < block->group.n_children; i++) {
            block->group.children[i] = malloc(sizeof(block_t));
            block_copy(block->group.children[i], copy->group.children[i]);
        }
    }
}

// NOTE: This does not recursively free groups!
void block_free(block_t *block)
{
    free(block->label);

    if (block->type == BLOCK_TEXT) {
        free(block->text.text);
    } else if (block->type == BLOCK_GROUP) {
        free(block->group.children);
    }

    if (block->finalize_cb != NULL)
        block->finalize_cb(block);
}