/*
 * Copyright (c) 2021-2022 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 __BROWSER_H__
#define __BROWSER_H__

#include <stdlib.h>
#include "http.h"

enum {
	BROWSER_STATE_IDLE,
	BROWSER_STATE_ARTICLE_GET,
	BROWSER_STATE_ARTICLE_PROCESS,
	BROWSER_STATE_ARTICLE_DONE
};

#define STYLE_BOLD		(1UL << 0)
#define STYLE_ITALIC	(1UL << 1)
#define STYLE_H1		(1UL << 2)
#define STYLE_H2		(1UL << 3)
#define STYLE_H3		(1UL << 4)
#define STYLE_H4		(1UL << 5)
#define STYLE_H5		(1UL << 6)
#define STYLE_LINK		(1UL << 7)
#define STYLE_REF		(1UL << 8)
#define STYLE_TEMPLATE	(1UL << 9)

struct browser_link {
	char *link;
	unsigned short pos;
	unsigned short len;
};

struct browser {
	short state;
	WindowPtr win;
	TEHandle input_te;
	unsigned long last_input_for_search;
	Rect te_bounds;
	TEHandle te;
	TEHandle debug_te;
	ControlHandle te_scroller;
	ListHandle search_results;
	struct wikipedia_request *wpr;
	size_t links_count;
	size_t links_size;
	struct browser_link *links;
	char last_printed[2];
};

struct browser *browser_init(char *query);
bool browser_print(struct browser *browser, const char *str, size_t len,
  unsigned long style);
void browser_clear(struct browser *browser);
void browser_draw_line(struct browser *browser);
bool browser_debug_enabled(struct browser *browser);
size_t browser_debug_print(struct browser *browser, const char *str,
  size_t len);

#endif