package designPatternExtensions;

import models.objectOrientedTransfer.*;

import java.util.ArrayList;
import java.util.List;

//https://github.com/iluwatar/java-design-patterns/tree/master/strategy
//同じ役割の実装クラスを複数用意できない（メソッドが空になる？）

public class Strategy {

    public static DataTransferDesign create() throws IllegalRelationException {
        List<ReferenceEdge> srcEdges = new ArrayList<>();
        List<ReferenceEdge> dstEdges = new ArrayList<>();
        ObjectNode main = new ObjectNode("Main");
        ObjectNode dragonSlayer = new ObjectNode("DragonSlayer");
        ObjectNode meleeStrategy = new ObjectNode("MeleeStrategy");
        ObjectNode data = new ObjectNode("BattleExecute");
        srcEdges.add(new ReferenceEdge(main, dragonSlayer, "dragonSlayer"));
        dstEdges.add(new ReferenceEdge(main, meleeStrategy, "meleeStrategy", "Integer"));
        List<Relation> relations = new ArrayList<>();
        relations.add(new Relation(main, dstEdges, MultiplicityValue.OneToOne));
        Relation transferRelation = new Relation(srcEdges, dstEdges, MultiplicityValue.OneToOne);
        DataTransferContext context = new DataTransferContext(relations, transferRelation, data, "battleExecute", PushPullValue.PUSH);
        DataTransferDesign design = new DataTransferDesign(context);

        DependencyInversion di = new DependencyInversion(
                meleeStrategy, new InterfaceNode(meleeStrategy, "DragonSlayingStrategy"), dragonSlayer
        );
        design.addDependencyInversion(di);

        return design;
    }

}