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package moe.ymc.acron.c2s;

import com.google.gson.*;
import com.google.gson.annotations.SerializedName;
import moe.ymc.acron.common.Vec2f;
import moe.ymc.acron.common.Vec3d;
import moe.ymc.acron.common.WorldKey;
import org.jetbrains.annotations.Nullable;

import java.lang.reflect.Type;

public record ReqSetConfig(@SerializedName("id") int id,
                           @SerializedName("world") @Nullable WorldKey world,
                           @SerializedName("pos") @Nullable Vec3d pos,
                           @SerializedName("rot") @Nullable Vec2f rot,
                           @SerializedName("name") @Nullable String name)
        implements Request {
    @Override
    public void validate() {
    }

    @Override
    public int getId() {
        return id;
    }

    public static class ReqSetConfigDeserializer implements JsonDeserializer<ReqSetConfig> {
        @Override
        public ReqSetConfig deserialize(JsonElement json,
                                        Type typeOfT,
                                        JsonDeserializationContext context) throws JsonParseException {
            final JsonObject object = json.getAsJsonObject();
            final int id = object.has("id") ?
                    object.get("id").getAsInt() :
                    -1;
            final WorldKey world;
            if (object.has("world")) {
                world = context.deserialize(object.get("world"), WorldKey.class);
                // https://stackoverflow.com/a/49574019
                if (world == null) {
                    throw new JsonParseException("Invalid world");
                }
            } else {
                world = null;
            }
            final Vec3d pos = object.has("pos") ?
                    context.deserialize(object.get("pos"), Vec3d.class) :
                    null;
            final Vec2f rot = object.has("rot") ?
                    context.deserialize(object.get("rot"), Vec2f.class) :
                    null;
            final String name = object.has("name") ?
                    object.get("name").getAsString() :
                    null;
            return new ReqSetConfig(id,
                    world,
                    pos,
                    rot,
                    name);
        }
    }

}