/*
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements.  See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership.  The ASF licenses this file
 * to you under the Apache License, Version 2.0 (the
 * "License"); you may not use this file except in compliance
 * with the License.  You may obtain a copy of the License at
 *
 *  http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing,
 * software distributed under the License is distributed on an
 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
 * KIND, either express or implied.  See the License for the
 * specific language governing permissions and limitations
 * under the License.
 */
#include "test_cborattr.h"

/*
 * Where we collect cbor data.
 */
static uint8_t test_cbor_buf[1024];
static int test_cbor_len;

/*
 * CBOR encoder data structures.
 */
static int test_cbor_wr(struct cbor_encoder_writer *, const char *, int);
static CborEncoder test_encoder;
static struct cbor_encoder_writer test_writer = {
    .write = test_cbor_wr
};

static int
test_cbor_wr(struct cbor_encoder_writer *cew, const char *data, int len)
{
    memcpy(test_cbor_buf + test_cbor_len, data, len);
    test_cbor_len += len;

    assert(test_cbor_len < sizeof(test_cbor_buf));
    return 0;
}

static void
test_encode_string_array_one(void)
{
    CborEncoder data;
    CborEncoder array;

    test_cbor_len = 0;
    cbor_encoder_init(&test_encoder, &test_writer, 0);

    cbor_encoder_create_map(&test_encoder, &data, CborIndefiniteLength);

    /*
     * a: ["asdf"]
     */
    cbor_encode_text_stringz(&data, "a");

    cbor_encoder_create_array(&data, &array, CborIndefiniteLength);
    cbor_encode_text_stringz(&array, "asdf");
    cbor_encoder_close_container(&data, &array);

    cbor_encoder_close_container(&test_encoder, &data);
}

static void
test_encode_string_array_three(void)
{
    CborEncoder data;
    CborEncoder array;

    test_cbor_len = 0;
    cbor_encoder_init(&test_encoder, &test_writer, 0);

    cbor_encoder_create_map(&test_encoder, &data, CborIndefiniteLength);

    /*
     * a: ["asdf", "k", "blurb"]
     */
    cbor_encode_text_stringz(&data, "a");

    cbor_encoder_create_array(&data, &array, CborIndefiniteLength);
    cbor_encode_text_stringz(&array, "asdf");
    cbor_encode_text_stringz(&array, "k");
    cbor_encode_text_stringz(&array, "blurb");
    cbor_encoder_close_container(&data, &array);

    cbor_encoder_close_container(&test_encoder, &data);
}

/*
 * string array
 */
TEST_CASE(test_cborattr_decode_string_array)
{
    int rc;
    char *str_ptrs[5];
    char arr_data[256];
    int arr_cnt = 0;
    struct cbor_attr_t test_attrs[] = {
        [0] = {
            .attribute = "a",
            .type = CborAttrArrayType,
            .addr.array.element_type = CborAttrTextStringType,
            .addr.array.arr.strings.ptrs = str_ptrs,
            .addr.array.arr.strings.store = arr_data,
            .addr.array.arr.strings.storelen = sizeof(arr_data),
            .addr.array.count = &arr_cnt,
            .addr.array.maxlen = sizeof(arr_data) / sizeof(arr_data[0]),
            .nodefault = true
        },
        [1] = {
            .attribute = NULL
        }
    };

    test_encode_string_array_one();

    rc = cbor_read_flat_attrs(test_cbor_buf, test_cbor_len, test_attrs);
    TEST_ASSERT(rc == 0);
    TEST_ASSERT(arr_cnt == 1);
    TEST_ASSERT(!strcmp(str_ptrs[0], "asdf"));

    test_encode_string_array_three();

    rc = cbor_read_flat_attrs(test_cbor_buf, test_cbor_len, test_attrs);
    TEST_ASSERT(rc == 0);
    TEST_ASSERT(arr_cnt == 3);
    TEST_ASSERT(!strcmp(str_ptrs[0], "asdf"));
    TEST_ASSERT(!strcmp(str_ptrs[1], "k"));
    TEST_ASSERT(!strcmp(str_ptrs[2], "blurb"));
}