#define AL_LOG_SECTION "file_ext"
#include <al/log.h>

#include "file_ext.h"

bool nn_file_open_and_read_wholly(str *path, str *out, bool lock)
{
    struct nn_file file;
    if (!nn_file_open(&file, path, lock ? NNWT_FILE_LOCK : NNWT_FILE_READONLY)) {
        return false;
    }
    s32 ret = nn_file_read_as_str(&file, out);
    nn_file_close(&file);
    return ret != -1;
}

bool nn_file_open_and_replace(str *path, str *buf, bool lock)
{
    struct nn_file file;
    if (!nn_file_open(&file, path, lock ? NNWT_FILE_LOCK : 0)) {
        return false;
    }
    s32 ret = nn_file_replace(&file, buf);
    nn_file_close(&file);
    return ret != -1;
}

json_t *nn_file_open_as_json(str *path)
{
    str s;
    if (!nn_file_open_and_read_wholly(path, &s, false)) {
        return NULL;
    }
    json_error_t error;
    json_t *root = json_loadb(s.data, s.length, 0, &error);
    if (!root) {
        log_error("json_loadb(%.*s, %u) failed (%s)", al_str_x(path), s.length, error.text);
    }
    al_str_free(&s);
    return root;
}

bool nn_dump_json_and_decref(str *path, json_t *root)
{
    str s;
    size_t size = json_dumpb(root, NULL, 0, JSON_INDENT(4));
    al_str_sized(&s, size);
    s.length = json_dumpb(root, s.data, size, JSON_INDENT(4));
    if (s.length == 0) {
        json_decref(root);
        return false;
    }
    bool ret = nn_file_open_and_replace(path, &s, false);
    al_str_free(&s);
    json_decref(root);
    return ret;
}