/*
 * Copyright (c) 2020-2022 joshua stein <jcs@jcs.org>
 *
 * Permission to use, copy, modify, and distribute this software for any
 * purpose with or without fee is hereby granted, provided that the above
 * copyright notice and this permission notice appear in all copies.
 *
 * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
 * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
 * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
 * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
 * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
 * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
 * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
 */

#ifndef __HTTP_H__
#define __HTTP_H__

#include "util.h"
#include "tcp.h"

struct url {
	char *scheme;
	char *host;
	unsigned short port;
	char *path;
};

struct http_request {
	struct url *url;
	ip_addr host_ip;
	
	TCPiopb tcp_iopb;
	StreamPtr tcp_stream;
	unsigned char *tcp_buf;
	size_t tcp_buf_size;
	wdsEntry tcp_wds[3];
	TCPStatusPB tcp_status_pb;
	
	char *message;

	size_t content_len;
	short response_code;
	
	char chunk[2048];
	ssize_t chunk_len;
	ssize_t chunk_off;
};
	
struct url * url_parse(const char *str);
ssize_t url_encode(unsigned char *str, size_t strlimit, unsigned char *dst,
  size_t dstsize);

size_t http_merge_headers(const char *lheaders, const char *rheaders,
  char **mheaders);
struct http_request * http_get(const char *surl, const char *headers);
struct http_request * http_post(const char *surl, const char *headers,
  const char *body, size_t body_len);
ssize_t http_req_read_line(struct http_request *req, char *ret, size_t len);
bool http_req_skip_headers(struct http_request *req);
void http_req_free(void *reqptr);

bool pushover(char *api_token, char *user_key, char *options, char *title,
  char *msg);

#endif