/*
 *  Copyright (C) 2010-2015 JPEXS, All rights reserved.
 *
 * 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 3.0 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.
 */
package com.jpexs.decompiler.flash.action.model.operations;

import com.jpexs.decompiler.flash.SourceGeneratorLocalData;
import com.jpexs.decompiler.flash.action.parser.script.ActionSourceGenerator;
import com.jpexs.decompiler.flash.action.swf4.ActionStringLess;
import com.jpexs.decompiler.flash.action.swf6.ActionStringGreater;
import com.jpexs.decompiler.flash.ecma.EcmaScript;
import com.jpexs.decompiler.graph.CompilationException;
import com.jpexs.decompiler.graph.GraphSourceItem;
import com.jpexs.decompiler.graph.GraphTargetItem;
import com.jpexs.decompiler.graph.SourceGenerator;
import com.jpexs.decompiler.graph.TypeItem;
import com.jpexs.decompiler.graph.model.BinaryOpItem;
import java.util.List;
import java.util.Set;

public class StringGtActionItem extends BinaryOpItem implements Inverted {

    public StringGtActionItem(GraphSourceItem instruction, GraphSourceItem lineStartIns, GraphTargetItem leftSide, GraphTargetItem rightSide) {
        super(instruction, lineStartIns, PRECEDENCE_RELATIONAL, leftSide, rightSide, "gt");
    }

    @Override
    public boolean isCompileTime(Set<GraphTargetItem> dependencies) {
        return false;
    }

    @Override
    public Object getResult() {
        return getResult(rightSide.getResult(), leftSide.getResult());
    }

    public static boolean getResult(Object rightResult, Object leftResult) {
        return EcmaScript.toString(leftResult).compareTo(EcmaScript.toString(rightResult)) > 0;
    }

    @Override
    public List<GraphSourceItem> toSource(SourceGeneratorLocalData localData, SourceGenerator generator) throws CompilationException {
        ActionSourceGenerator g = (ActionSourceGenerator) generator;
        if (g.getSwfVersion() >= 6) {
            return toSourceMerge(localData, generator, leftSide, rightSide, new ActionStringGreater());
        }
        return toSourceMerge(localData, generator, rightSide, leftSide, new ActionStringLess());
    }

    @Override
    public GraphTargetItem returnType() {
        return TypeItem.BOOLEAN;
    }

    @Override
    public GraphTargetItem invert(GraphSourceItem negSrc) {
        return new StringLeActionItem(getSrc(), getLineStartItem(), leftSide, rightSide);
    }
}
