#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 <string.h>

int
main(void)
{
	struct kreq r;
	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);

	int i;
	for (i = 0; i < 10; ++i) {
		khttp_printf(&r, "%d<br>", i);
	}

	char *query = getenv("QUERY_STRING");
	if (query[0] != '\0') {
		khttp_printf(&r, "%s\n", query);
	}
	long unsigned int lenstr = atoi(getenv("CONTENT_LENGTH"));
	if (lenstr != 0) {
		khttp_printf(&r, "%ld\n", lenstr);
		int bufsize = 2 << 8, read;
		char *buffer = calloc(bufsize, 1);
		FILE *out = fopen("blue", "w");
		if (out == NULL) {
			khttp_printf(&r, "%s\n", "Can't fopen.");
		}
		while ((read = fread(buffer, 1, bufsize, stdin)) > 0) {
			fwrite(buffer, 1, read, out);
		}
		khttp_printf(&r, "%s\n", "All done.");
	}

	khttp_printf(&r, "<form method=\"post\" "
	/*	"action=\"save.cgi\" "*/
		"enctype=\"multipart/form-data\">"
		"<input type=\"file\" name=\"in\">"
		"<button>Submit</button>"
		"</form>");

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