/*
 * Copyright (C) 2016 Red Hat, Inc.
 *
 * This library is free software; you can redistribute it and/or
 * modify it under the terms of the GNU Lesser General Public
 * License as published by the Free Software Foundation; either
 * version 2.1 of the License, or (at your option) any later version.
 *
 * This library is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
 * Lesser General Public License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public
 * License along with this library.  If not, see
 * <http://www.gnu.org/licenses/>.
 *
 * Author: Ján Tomko <jtomko@redhat.com>
 */

#include <config.h>

#include <stdlib.h>

#include "testutils.h"

#include "virerror.h"
#include "viralloc.h"
#include "virlog.h"
#include "virxml.h"

#define VIR_FROM_THIS VIR_FROM_NONE

VIR_LOG_INIT("tests.schematest");

struct testSchemaData {
    virXMLValidatorPtr validator;
    const char *xml_path;
};


static int
testSchemaFile(const void *args)
{
    const struct testSchemaData *data = args;
    bool shouldFail = virFileHasSuffix(data->xml_path, "-invalid.xml");
    xmlDocPtr xml = NULL;
    int ret = -1;

    if (!(xml = virXMLParseFile(data->xml_path)))
        return -1;

    if (virXMLValidatorValidate(data->validator, xml) < 0) {
        if (!shouldFail)
            goto cleanup;
    } else {
        if (shouldFail)
            goto cleanup;
    }

    ret = 0;
 cleanup:
    xmlFreeDoc(xml);
    return ret;
}


static int
testSchemaDir(const char *schema,
              virXMLValidatorPtr validator,
              const char *dir_path)
{
    DIR *dir = NULL;
    struct dirent *ent;
    int ret = 0;
    int rc;
    char *test_name = NULL;
    char *xml_path = NULL;
    struct testSchemaData data = {
        .validator = validator,
    };

    if (!(dir = opendir(dir_path))) {
        virReportSystemError(errno,
                             "Failed to opendir path '%s'",
                             dir_path);
        return -1;
    }

    while ((rc = virDirRead(dir, &ent, dir_path)) > 0) {
        if (!virFileHasSuffix(ent->d_name, ".xml"))
            continue;

        if (virAsprintf(&xml_path, "%s/%s", dir_path, ent->d_name) < 0)
            goto cleanup;

        if (virAsprintf(&test_name, "Checking %s against %s",
                        ent->d_name, schema) < 0)
            goto cleanup;

        data.xml_path = xml_path;
        if (virtTestRun(test_name, testSchemaFile, &data) < 0)
            ret = -1;

        VIR_FREE(test_name);
        VIR_FREE(xml_path);
    }

    if (rc < 0)
        ret = -1;

 cleanup:
    VIR_FREE(test_name);
    VIR_FREE(xml_path);
    closedir(dir);
    return ret;
}


static int
testSchemaDirs(const char *schema, ...)
{
    virXMLValidatorPtr validator = NULL;
    va_list args;
    int ret = 0;
    char *schema_path = NULL;
    char *dir_path = NULL;
    const char *dir;

    va_start(args, schema);

    if (virAsprintf(&schema_path, "%s/docs/schemas/%s", abs_topsrcdir, schema) < 0)
        goto cleanup;

    if (!(validator = virXMLValidatorInit(schema_path)))
        goto cleanup;

    while ((dir = va_arg(args, char *))) {
        if (virAsprintf(&dir_path, "%s/%s", abs_srcdir, dir) < 0) {
            ret = -1;
            goto cleanup;
        }
        if (testSchemaDir(schema, validator, dir_path) < 0)
            ret = -1;
        VIR_FREE(dir_path);
    }

 cleanup:
    virXMLValidatorFree(validator);
    VIR_FREE(schema_path);
    VIR_FREE(dir_path);
    va_end(args);
    return ret;
}


static int
mymain(void)
{
    int ret = 0;

#define DO_TEST(schema, ...)                                 \
    do {                                                     \
        if (testSchemaDirs(schema, __VA_ARGS__, NULL) < 0)   \
            ret = -1;                                        \
    } while (0)                                              \

    DO_TEST("capability.rng", "capabilityschemadata", "xencapsdata");
    DO_TEST("domain.rng", "domainschemadata", "qemuargv2xmldata",
            "qemuxml2argvdata", "sexpr2xmldata", "xmconfigdata",
            "xml2sexprdata", "qemuxml2xmloutdata", "lxcxml2xmldata",
            "lxcxml2xmloutdata", "bhyvexml2argvdata", "genericxml2xmlindata",
            "genericxml2xmloutdata", "xlconfigdata");
    DO_TEST("domaincaps.rng", "domaincapsschemadata");
    DO_TEST("domainsnapshot.rng", "domainsnapshotxml2xmlin",
            "domainsnapshotxml2xmlout");
    DO_TEST("interface.rng", "interfaceschemadata");
    DO_TEST("network.rng", "../src/network", "networkxml2xmlin",
            "networkxml2xmlout");
    DO_TEST("nodedev.rng", "nodedevschemadata");
    DO_TEST("nwfilter.rng", "nwfilterxml2xmlout");
    DO_TEST("secret.rng", "secretxml2xmlin");
    DO_TEST("storagepool.rng", "storagepoolxml2xmlin", "storagepoolxml2xmlout",
            "storagepoolschemadata");
    DO_TEST("storagevol.rng", "storagevolxml2xmlin", "storagevolxml2xmlout",
            "storagevolschemadata");

    return ret == 0 ? EXIT_SUCCESS : EXIT_FAILURE;
}

VIRT_TEST_MAIN(mymain)