#include <err.h>
#include <stdlib.h>
#include <stdio.h>
#include <unistd.h>
#include <stdint.h>
#include <stddef.h>
#include <stdarg.h>
#include <kcgi.h>
#include <kcgihtml.h>
#include <string.h>

int
main(void)
{
	struct kreq r;
	struct khtmlreq req;
	const char *page = "hw.cgi";
	if (khttp_parse(&r, NULL, 0, &page, 1, 0) != KCGI_OK)
		return 1;
	khttp_head(&r, kresps[KRESP_STATUS],
		"%s", khttps[KHTTP_200]);
	khttp_head(&r, kresps[KRESP_CONTENT_TYPE],
		"%s", kmimetypes[KMIME_TEXT_HTML]);
	khttp_body(&r);
	khtml_open(&req, &r, 0);
	kcgi_writer_disable(&r);

	khtml_elem(&req, KELEM_DOCTYPE);
	char *query = getenv("QUERY_STRING");
	khtml_elem(&req, KELEM_HTML);
	khtml_elem(&req, KELEM_HEAD);
	khtml_elem(&req, KELEM_TITLE);
	khtml_puts(&req, "Hello, world");
	khtml_closeelem(&req, 1);
	khtml_closeelem(&req, 1);
	khtml_elem(&req, KELEM_BODY);
	khtml_elem(&req, KELEM_P);
	if (strcmp(query, "") != 0) {
		khtml_puts(&req, query);
		khtml_elem(&req, KELEM_BR);
	}
	khtml_puts(&req, getenv("REMOTE_ADDR"));
	khtml_elem(&req, KELEM_BR);
	khtml_puts(&req, getenv("REQUEST_METHOD"));
	khtml_elem(&req, KELEM_BR);
	khtml_puts(&req, getenv("HTTP_USER_AGENT"));
	khtml_elem(&req, KELEM_BR);
	int i;
	for (i = 0; i < 10; ++i) {
		khtml_printf(&req, "%d", i);
		khtml_elem(&req, KELEM_BR);
	}

	char *lenstr = getenv("CONTENT_LENGTH");
	if (lenstr != NULL) {
		int len = atoi(lenstr);
		char *instr = calloc(len, sizeof(char));
		fgets(instr, len, stdin);
		khtml_putc(&req, '\n');
		khtml_puts(&req, getenv("CONTENT_TYPE"));
		khtml_puts(&req, instr);
		khtml_puts(&req, "¡That's all folks!");
	} else {
		khtml_puts(&req, "No input.");
	}

/*	khtml_attr(&req, KELEM_FORM, KATTR_METHOD, "post");
	khtml_attr(&req, KELEM_INPUT, KATTR_TYPE, "file",
		KATTR__MAX);
	khtml_closeelem(&req, 1);*/

	khtml_close(&req);
	khttp_free(&r);
	return(EXIT_SUCCESS);
}