/*
 * Copyright 2023, Vincent Douillet <vincent@vdouillet.fr>
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions are met:
 *
 * 1. Redistributions of source code must retain the above copyright notice,
 * this list of conditions and the following disclaimer.
 *
 * 2. Redistributions in binary form must reproduce the above copyright notice,
 * this list of conditions and the following disclaimer in the documentation
 * and/or other materials provided with the distribution.
 *
 * 3. Neither the name of the copyright holder nor the names of its contributors
 * may be used to endorse or promote products derived from this software without
 * specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
 * POSSIBILITY OF SUCH DAMAGE.
 */

#include <stdlib.h>
#include <kcgi.h>
#include <unistd.h>

#include "browse.h"
#include "http.h"

enum page {
	PAGE_BROWSE,
	PAGE__MAX
};

static const char *const pages[PAGE__MAX] = {
	BROWSE_URL
};

int
main(void)
{
	enum kcgi_err 	err;
	int 		page_ret_val;
	struct kreq 	r;

	err = khttp_parse(&r, NULL, 0, pages, PAGE__MAX, PAGE_BROWSE);

	if (KCGI_OK != err)
		return EXIT_FAILURE;

	/*
	 * Make sure basic request parameters are as expected : GET or POST,
	 * valid page and HTML document
	 */

	if (r.method != KMETHOD_GET && r.method != KMETHOD_POST) {
		http_open(&r, KHTTP_405);
		khttp_free(&r);
		return EXIT_SUCCESS;
	} else if (r.mime != KMIME_TEXT_HTML) {
		http_open(&r, KHTTP_406);	/* Not Acceptable */
		khttp_free(&r);
		return EXIT_SUCCESS;
	} else if (r.page == PAGE__MAX) {
		http_open(&r, KHTTP_404);
		khttp_free(&r);
		return EXIT_SUCCESS;
	}
	if (-1 == pledge("stdio rpath", NULL)) {
		khttp_free(&r);
		return EXIT_FAILURE;
	}
	/*
	 * TODO error happens here if(-1 == unveil(DATA_DIR, "r")) { ret_val
	 * = EXIT_FAILURE; goto FAIL_HTML; }
	 */

	switch (r.page) {
	case PAGE_BROWSE:
		page_ret_val = browse(&r);
		break;
	default:
		abort();
	}

	khttp_free(&r);
	return page_ret_val;
}