/* SPDX-License-Identifier: GPL-3.0-or-later */
/* Copyright 2022 Ivan Polyakov */

#include "../include/url.h"
#include "utils.h"
#include <stdlib.h>
#include <string.h>

int rpd_url_parse(rpd_url *dest, const char *src)
{
    const char *del = "/";
    int i = count_char_entries(src, del[0]);
    if (!i) {
        dest->parts_len = 0;
        return 0;
    }

    dest->parts = (char **) malloc(sizeof(char **) * i);
    if (!dest->parts) {
        dest->parts_len = 0;
        return 2;
    }

    i = 0;
    char *tmp, *token;
    tmp = strdup(src);
    while ((token = strsep(&tmp, "/"))) {
        if (!strlen(token))
            continue;
        dest->parts[i] = strdup(token);
        i++;
    }
    free(tmp);
    dest->parts_len = i;

    return 0;
}

void rpd_url_cleanup(rpd_url *url)
{
    int i = 0;
    while (i < url->parts_len) {
        free(url->parts[i]);
        i++;
    }
    free(url->parts);
    url->parts = NULL;
    url->parts_len = 0;
}

int rpd_url_params_parse_keys(rpd_keyval *dest, const rpd_url *tpl)
{
    int len = 0;
    for (int i = 0; i < tpl->parts_len; i++) {
        if (*tpl->parts[i] == ':') {
            len++;
        }
    }

    dest->items = malloc(sizeof(rpd_keyval_item) * len);
    if (!dest->items)
        return 1;
    dest->size = 0;
    dest->capacity = len;

    for (int i = 0; i < tpl->parts_len; i++) {
        if (*tpl->parts[i] == ':') {
            dest->items[dest->size].key = strdup(tpl->parts[i] + 1);
            dest->size++;
        }
    }

    return 0;
}

int rpd_url_params_parse_vals(rpd_keyval *dest, const rpd_url *url, const rpd_url *tpl)
{
    int i = 0, j = 0;
    while (i < tpl->parts_len) {
        if (*tpl->parts[i] == ':') {
            dest->items[j++].val = strdup(url->parts[i]);
        }
        i++;
    }

    return 0;
}