import com.google.gson.JsonObject;
import com.moyashi.currymap.model.GnaviApiParams;

import java.util.Objects;

import static com.moyashi.currymap.model.GnaviApiParams.getCouponUrl;
import static com.moyashi.currymap.model.GnaviApiParams.getImageUrl;
import static com.moyashi.currymap.model.GnaviApiParams.getPR;
import static com.moyashi.currymap.model.GnaviApiParams.getSubParams;

public class EmptyCheckHelper {
    private static boolean hasSubParameter(String param) {
        return Objects.equals(param, getCouponUrl()) || Objects.equals(param, getImageUrl())
                || Objects.equals(param, getPR());
    }

    private static void addEmptySubObject(JsonObject asJsonObject, String mainParam) {
        JsonObject mainParamObject = asJsonObject.get(mainParam).getAsJsonObject();
        for (String subParam : getSubParams()) {
            if (mainParamObject.has(subParam) && mainParamObject.get(subParam).isJsonObject()) {
                mainParamObject.addProperty(subParam, "");
            }
        }
    }

    public static void addEmptyToObject(JsonObject asJsonObject) {
        for (String mainParam : GnaviApiParams.getMainParams()) {
            if (!asJsonObject.get(mainParam).isJsonObject()) {
                continue;
            }

            if (hasSubParameter(mainParam)) {
                addEmptySubObject(asJsonObject, mainParam);
            } else {
                asJsonObject.addProperty(mainParam, "");
            }
        }
    }
}