/*
 * Copyright 2005 JBoss Inc
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *      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.template.model;

import org.junit.After;
import org.junit.Before;
import org.junit.Test;
import static org.junit.Assert.*;

public class SnippetBuilderTest {

    @Test
    public void testBuildSnippet() {
        final String snippet = "something.param.getAnother().equals($param);";
        final SnippetBuilder snip = new SnippetBuilder( snippet );
        final String cellValue = "$42";
        final String result = snip.build( cellValue );
        assertNotNull( result );

        assertEquals( "something.param.getAnother().equals($42);",
                      result );
    }

    @Test
    public void testBuildSnippetNoPlaceHolder() {
        final String snippet = "something.getAnother().equals(blah);";
        final SnippetBuilder snip = new SnippetBuilder( snippet );
        final String cellValue = "this is ignored...";
        final String result = snip.build( cellValue );

        assertEquals( snippet,
                      result );
    }

    @Test
    public void testSingleParamMultipleTimes() {
        final String snippet = "something.param.getAnother($param).equals($param);";
        final SnippetBuilder snip = new SnippetBuilder( snippet );
        final String cellValue = "42";
        final String result = snip.build( cellValue );
        assertNotNull( result );

        assertEquals( "something.param.getAnother(42).equals(42);",
                      result );

    }

    @Test
    public void testMultiPlaceHolder() {
        final String snippet = "something.getAnother($1,$2).equals($2, '$2');";
        final SnippetBuilder snip = new SnippetBuilder( snippet );
        final String result = snip.build( "x, y" );
        assertEquals( "something.getAnother(x,y).equals(y, 'y');",
                      result );

    }

    @Test
    public void testMultiPlaceHolderSingle() {
        final String snippet = "something.getAnother($1).equals($1);";
        final SnippetBuilder snip = new SnippetBuilder( snippet );
        final String result = snip.build( "x" );
        assertEquals( "something.getAnother(x).equals(x);",
                      result );

    }
    
    @Test
    public void testStartWithParam() {
        final String snippet = "$1 goo $2";
        final SnippetBuilder snip = new SnippetBuilder( snippet );
        final String result = snip.build( "x, y" );
        assertEquals( "x goo y",
                      result );
        
    }

    @Test
    public void testMultiPlaceHolderEscapedComma() {
        final String snippet = "rulesOutputRouting.set( $1, $2, $3, $4, $5 );";
        final SnippetBuilder snip = new SnippetBuilder( snippet );
        final String result = snip.build( "\"80\",\"Department Manager\",toa.getPersonExpense().getEntityCode(\"Part Of\"\\,\"Office\"),10004,30" );
        assertEquals( "rulesOutputRouting.set( \"80\", \"Department Manager\", toa.getPersonExpense().getEntityCode(\"Part Of\",\"Office\"), 10004, 30 );",
                      result );

    }
    
    @Test
    public void testForAllAnd() {
        final String snippet = "forall(&&){something == $}";
        final SnippetBuilder snip = new SnippetBuilder(snippet);
        final String result = snip.build("x");
        assertEquals("something == x", result);
    }

    @Test
    public void testForAllAndCSV() {
        final String snippet = "forall(&&){something == $}";
        final SnippetBuilder snip = new SnippetBuilder(snippet);
        final String result = snip.build("x, y");
        assertEquals("something == x && something == y", result);
    }

    @Test
    public void testForAllAndNone() {
        final String snippet = "forall(&&){something == $}";
        final SnippetBuilder snip = new SnippetBuilder(snippet);
        final String result = snip.build("");
        assertEquals("forall(&&){something == $}", result);
    }

    @Test
    public void testForAllAndCSVMultiple() {
        final String snippet = "forall(&&){something == $ || something == $}";
        final SnippetBuilder snip = new SnippetBuilder(snippet);
        final String result = snip.build("x, y");
        assertEquals(
                "something == x || something == x && something == y || something == y",
                result);
    }

    @Test
    public void testForAllOr() {
        final String snippet = "forall(||){something == $}";
        final SnippetBuilder snip = new SnippetBuilder(snippet);
        final String result = snip.build("x");
        assertEquals("something == x", result);
    }

    @Test
    public void testForAllOrMultiple() {
        final String snippet = "forall(||){something == $} && forall(||){something < $}";
        final SnippetBuilder snip = new SnippetBuilder(snippet);
        final String result = snip.build("x, y");
        assertEquals(
                "something == x || something == y && something < x || something < y",
                result);
    }

    @Test
    public void testForAllOrAndMultipleWithPrefix() {
        final String snippet = "something == this && forall(||){something == $} && forall(&&){something < $}";
        final SnippetBuilder snip = new SnippetBuilder(snippet);
        final String result = snip.build("x, y");
        assertEquals(
                "something == this && something == x || something == y && something < x && something < y",
                result);
    }
}
