/*
 * Copyright 2015 Red Hat, Inc. and/or its affiliates.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * 
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
*/

package org.drools.compiler.integrationtests;

import java.io.Serializable;

import org.drools.compiler.CommonTestMethodBase;
import org.junit.Test;
import org.kie.api.runtime.KieSession;
import org.kie.internal.KnowledgeBase;

public class DroolsTest extends CommonTestMethodBase  {
    private final static int NUM_FACTS = 20;

    private static int       counter;

    public static class Foo implements Serializable {
        private final int id;

        public Foo(int id) {
            this.id = id;
        }

        public int getId() {
            return id;
        }
    }

    public static class Bar implements Serializable {
        private final int id;

        public Bar(int id) {
            this.id = id;
        }

        public int getId() {
            return id;
        }
    }

    @Test
    public void test1() throws Exception {
        String str = "package org.drools.compiler.integrationtests;\n";
        str += "import " + DroolsTest.class.getName() + ";\n";
        str += "import " + DroolsTest.class.getName() + ".Foo;\n";
        str += "import " + DroolsTest.class.getName() + ".Bar;\n";
        str += "rule test\n";
        str += "when\n";
        str += "      Foo($p : id, id < " + Integer.toString( NUM_FACTS ) + ")\n";
        str += "      Bar(id == $p)\n";
        str += "then\n";
        str += "   DroolsTest.incCounter();\n";
        str += "end\n";

        counter = 0;

        KnowledgeBase kbase = loadKnowledgeBaseFromString(str);

        KieSession wm = createKnowledgeSession(kbase);

        for ( int i = 0; i < NUM_FACTS; i++ ) {
            wm.insert( new Foo( i ) );
            wm.insert( new Bar( i ) );
        }

        wm.fireAllRules();
        System.out.println( counter + ":" + (counter == NUM_FACTS ? "passed" : "failed" ));
    }

    public static void incCounter() {
        ++counter;
    }
}