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/*
 * Copyright (c) 2017. Eric Angeli
 *
 *  Permission is hereby granted, free of charge,
 *  to any person obtaining a copy of this software
 *  and associated documentation files (the "Software"),
 *  to deal in the Software without restriction,
 *  including without limitation the rights to use, copy,
 *  modify, merge, publish, distribute, sublicense,
 *  and/or sell copies of the Software, and to permit
 *  persons to whom the Software is furnished to do so,
 *  subject to the following conditions:
 *
 *  The above copyright notice and this permission
 *  notice shall be included in all copies or substantial
 *  portions of the Software.
 *
 *  THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
 *  EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE
 *  WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE
 *  AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
 *  HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
 *  WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
 *  OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
 *  DEALINGS IN THE SOFTWARE.
 */

package com.thegoate.dsl.words;

import com.thegoate.Goate;
import com.thegoate.annotations.GoateDescription;
import com.thegoate.dsl.DSL;
import com.thegoate.dsl.GoateDSL;
import com.thegoate.utils.get.Get;

/**
 * Returns the value of the referenced object.
 * Created by gtque on 10/17/2018.
 */
@GoateDSL(word = "get")
@GoateDescription(description = "Returns the value of the object specified by the key from the given object (if specified, otherwise assumes test data collection)",
        parameters = {"The key of the object to retrieve",
        "The object containing the thing to be retrieved, optional: uses the goate data collection if not specified."})
public class GetDSL extends DSL {

    public GetDSL(Object value) {
        super(value);
    }

    public static String getDef(String key){
        return getDef(key, null);
    }

    public static String getDef(String key, Object source){
        return "get::"+key+(source!=null?(","+source):"");
    }

    @Override
    public Object evaluate(Goate data) {
        String key = ""+get(1,data);
        Object obj = get(2,data);
        if(obj==null){
            obj = data;
        }
        return new Get(key).from(obj);
    }
}