#include "base32768.h"
#include "dat.h"
#include <assert.h>
#include <errno.h>
#include <stdint.h>
#include <stdio.h>
#include <string.h>

int main(void)
{
	static const uint8_t hello[] = {104,101,108,108,111,32,119,111,114,108,100};
	static const char encoded_hello[] = "媒腻㐤┖ꈳ埳";
	uint8_t input[257], decoded[257];
	char encoded[1200];
	char archive_url[DAT_URL_BYTES];
	char compact_link[DAT_LINK_BYTES];
	dat_url_t parsed_url;
	static const char historical_address[] =
		"dat://59d8099399510e23a3c693fb5887b7bba1586f4117f7ef1c5872622ada0c1181";
	static const char compact_historical_address[] =
		"dat://卌Ꭴ馊㜢䍞䂏鴑╗萰类躂ꜞ齂蠩檵聬♠ʟ";
	uint8_t archive_key[DAT_KEY_BYTES];
	size_t length, i, decoded_length;
	assert(base32768_encode(hello, sizeof(hello), encoded, sizeof(encoded)) == 0);
	assert(!strcmp(encoded, encoded_hello));
	assert(base32768_decode(encoded_hello, decoded, sizeof(decoded), &decoded_length) == 0);
	assert(decoded_length == sizeof(hello) && !memcmp(decoded, hello, sizeof(hello)));
	for (length = 0; length <= sizeof(input); length++) {
		for (i = 0; i < length; i++) input[i] = (uint8_t)(i * 37u + length);
		assert(base32768_encode(input, length, encoded, sizeof(encoded)) == 0);
		assert(base32768_decode(encoded, decoded, sizeof(decoded), &decoded_length) == 0);
		assert(decoded_length == length && !memcmp(decoded, input, length));
	}
	assert(base32768_decode("A", decoded, sizeof(decoded), &decoded_length) == -1);
	assert(errno == EILSEQ);
	assert(dat_url_to_key(historical_address, archive_key) == 0);
	assert(dat_key_to_compact_url(archive_key, archive_url) == 0);
	assert(!strcmp(archive_url, compact_historical_address));
	snprintf(compact_link, sizeof(compact_link), "%s+7/readme.txt", archive_url);
	assert(dat_url_parse(compact_link, &parsed_url) == 0);
	assert(parsed_url.has_version && parsed_url.version == 7);
	assert(!strcmp(parsed_url.host, compact_historical_address + 6));
	assert(dat_url_to_key(parsed_url.host, decoded) == 0);
	assert(!memcmp(decoded, archive_key, sizeof(archive_key)));
	return 0;
}