/*
 * page-api-jobresults.c -- /api/v?/jobresults route
 *
 * Copyright (c) 2021 David Demelier <markand@malikania.fr>
 *
 * Permission to use, copy, modify, and/or 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.
 */

#include <sys/types.h>
#include <assert.h>
#include <stdarg.h>
#include <stdint.h>
#include <kcgi.h>

#include "db.h"
#include "log.h"
#include "page.h"
#include "types.h"

static int
save(const char *json)
{
	struct jobresult res = {0};
	int ret = -1;

	json_t *doc;
	json_error_t err;

	if (!(doc = json_loads(json, 0, &err)))
		log_warn("api/post: invalid JSON input: %s", err.text);
	else if (jobresult_from(&res, 1, doc) < 0)
		log_warn("api/post: failed to decode parameters");
	else if (db_jobresult_add(&res) < 0)
		log_warn("api/post: database save error");
	else
		ret = 0;

	json_decref(doc);
	jobresult_finish(&res);

	return ret;
}

static void
post(struct kreq *r)
{
	if (r->fieldsz < 1)
		page(r, KHTTP_400, KMIME_APP_JSON, NULL, NULL);
	else if (save(r->fields[0].val) < 0)
		page(r, KHTTP_500, KMIME_APP_JSON, NULL, NULL);
	else {
		khttp_head(r, kresps[KRESP_CONTENT_TYPE], "%s", kmimetypes[KMIME_APP_JSON]);
		khttp_head(r, kresps[KRESP_STATUS], "%s", khttps[KHTTP_200]);
		khttp_body(r);
		khttp_free(r);
	}
}

void
page_api_v1_jobresults(struct kreq *r)
{
	assert(r);

	switch (r->method) {
	case KMETHOD_POST:
		post(r);
		break;
	default:
		page(r, KHTTP_400, KMIME_APP_JSON, NULL, NULL);
		break;
	}
}