/*
 *  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.abc.avm2.model;

import com.jpexs.decompiler.flash.SourceGeneratorLocalData;
import com.jpexs.decompiler.flash.abc.avm2.instructions.AVM2Instruction;
import com.jpexs.decompiler.flash.abc.avm2.instructions.AVM2Instructions;
import com.jpexs.decompiler.flash.abc.avm2.parser.script.AVM2SourceGenerator;
import com.jpexs.decompiler.flash.helpers.GraphTextWriter;
import com.jpexs.decompiler.graph.CompilationException;
import com.jpexs.decompiler.graph.GraphSourceItem;
import com.jpexs.decompiler.graph.GraphTargetItem;import com.jpexs.decompiler.graph.GraphSourceItem;
import com.jpexs.decompiler.graph.SimpleValue;
import com.jpexs.decompiler.graph.SourceGenerator;
import com.jpexs.decompiler.graph.TypeItem;
import com.jpexs.decompiler.graph.model.LocalData;
import com.jpexs.helpers.Helper;
import java.util.List;
import java.util.Set;

public class StringAVM2Item extends AVM2Item implements SimpleValue {

    private String value;

    private Double numberValue;

    public StringAVM2Item(GraphSourceItem instruction, GraphSourceItem lineStartIns,  String value) {
        super(instruction, lineStartIns, PRECEDENCE_PRIMARY);
        this.value = value;
    }

    @Override
    public GraphTextWriter appendTo(GraphTextWriter writer, LocalData localData) {
        return writer.append("\"").append(Helper.escapeActionScriptString(value)).append("\"");
    }

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

    @Override
    public Object getResult() {
        return value;
    }

    @Override
    public Double getResultAsNumber() {
        if (numberValue == null) {
            numberValue = super.getResultAsNumber();
        }

        return numberValue;
    }

    @Override
    public List<GraphSourceItem> toSource(SourceGeneratorLocalData localData, SourceGenerator generator) throws CompilationException {
        return toSourceMerge(localData, generator,
                new AVM2Instruction(0, AVM2Instructions.PushString, new int[]{((AVM2SourceGenerator) generator).str(value)})
        );
    }

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

    @Override
    public boolean hasReturnValue() {
        return true;
    }

    @Override
    public boolean isSimpleValue() {
        return true;
    }

    public String getValue() {
        return value;
    }

    public void setValue(String value) {
        this.value = value;
        numberValue = null;
    }
}
