/*
 * Copyright (C) 2019-2022 LitterBox contributors
 *
 * This file is part of LitterBox.
 *
 * LitterBox is free software: you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or (at
 * your option) any later version.
 *
 * LitterBox 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
 * General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with LitterBox. If not, see <http://www.gnu.org/licenses/>.
 */
package de.uni_passau.fim.se2.litterbox.ast.visitor;

import de.uni_passau.fim.se2.litterbox.JsonTest;
import de.uni_passau.fim.se2.litterbox.ast.ParsingException;
import de.uni_passau.fim.se2.litterbox.ast.model.Program;
import de.uni_passau.fim.se2.litterbox.ast.model.StmtList;
import de.uni_passau.fim.se2.litterbox.ast.model.statement.Stmt;
import de.uni_passau.fim.se2.litterbox.ast.model.statement.spritemotion.MoveSteps;
import de.uni_passau.fim.se2.litterbox.ast.model.statement.spritemotion.TurnLeft;
import org.junit.jupiter.api.Test;

import java.io.IOException;

import static org.junit.jupiter.api.Assertions.assertEquals;

public class NodeReplacementTest implements JsonTest {
    @Test
    public void testDeletion() throws IOException, ParsingException {
        Program program = getAST("src/test/fixtures/scratchblocks/motionblocks.json");

        MoveSteps target = (MoveSteps)program.getActorDefinitionList().getDefinitions().get(1).getScripts().getScriptList().get(0).getStmtList().getStmts().get(0);
        Stmt replacement = new TurnLeft(target.getSteps(), target.getMetadata());

        NodeReplacementVisitor replacementVisitor = new NodeReplacementVisitor(target, replacement);
        Program programCopy = replacementVisitor.apply(program);

        StmtList statements1 = program.getActorDefinitionList().getDefinitions().get(1).getScripts().getScriptList().get(0).getStmtList();
        StmtList statements2 = programCopy.getActorDefinitionList().getDefinitions().get(1).getScripts().getScriptList().get(0).getStmtList();
        assertEquals(statements1.getStmts().size(), statements2.getStmts().size());
        assertEquals(target, statements1.getStmts().get(0));
        assertEquals(replacement, statements2.getStmts().get(0));
    }
}
