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package automately.core.data;

import com.hazelcast.nio.ObjectDataInput;
import com.hazelcast.nio.ObjectDataOutput;
import io.jcluster.core.data.DataType;
import io.jsync.json.JsonObject;
import io.jsync.json.impl.Json;
import io.jsync.utils.Token;

import java.io.IOException;
import java.util.Date;

/**
 * The Meta class is a DataType used by JCluster.
 * It's main purpose is to store any extra data belonging to a user
 * or any other object.
 */
public class Meta extends DataType {

    public String userToken;
    public String key;
    public Object value;
    public Date created = new Date();
    public Date updated = new Date();
    private String token = Token.generateToken().toHex();
    public Meta() {
        this("", "");
    }
    public Meta(String key, Object value) {
        this.key = key;
        this.value = value;
    }

    @Override
    public void writeData(ObjectDataOutput dataOutput) throws IOException {
        dataOutput.writeUTF(token);
        dataOutput.writeUTF(userToken);
        dataOutput.writeUTF(key);
        dataOutput.writeObject(value);
        dataOutput.writeObject(created);
        dataOutput.writeObject(updated);
    }

    @Override
    public void readData(ObjectDataInput dataInput) throws IOException {
        token = dataInput.readUTF();
        userToken = dataInput.readUTF();
        key = dataInput.readUTF();
        value = dataInput.readObject();
        created = dataInput.readObject();
        updated = dataInput.readObject();
    }

    @Override
    public void loadJson(JsonObject json) {
        if (json != null) {
            this.token = json.getString("token", this.token);
            this.userToken = json.getString("userToken", this.userToken);
            this.key = json.getString("key", this.key);
            this.value = json.getValue("value");

            // For some reason data didn't work out too well
            if(json.getValue("created") instanceof JsonObject &&
                    json.getObject("created", new JsonObject()).containsField("$numberLong")){
                json.putValue("created", Long.valueOf(json.getObject("created", new JsonObject()).getValue("$numberLong")));
            }
            this.created = new Date(json.getLong("created", created.getTime()));

            // For some reason data didn't work out too well
            if(json.getValue("updated") instanceof JsonObject &&
                    json.getObject("updated", new JsonObject()).containsField("$numberLong")){
                json.putValue("updated", Long.valueOf(json.getObject("updated", new JsonObject()).getValue("$numberLong")));
            }
            this.updated = new Date(json.getLong("updated", updated.getTime()));
        }
    }

    @Override
    public JsonObject toJson() {
        JsonObject ret = new JsonObject(Json.encode(this));
        ret.putString("token", token);
        ret.putNumber("created", created.getTime());
        ret.putNumber("updated", updated.getTime());
        return ret;
    }

    public String token() {
        return token;
    }
}