package org.openslx.dozmod.filetransfer;

import org.openslx.bwlp.thrift.iface.TransferState;
import org.openslx.dozmod.util.FormatHelper;

public class TransferEvent {

	/**
	 * Block-based progress of transfer
	 */
	public final byte[] progress;
	/**
	 * Speed of transfer, human readable
	 */
	public final String speed;
	/**
	 * Estimated remaining time, human readable. <code>null</code> == not
	 * updated
	 */
	public final String remaining;
	/**
	 * Speed of transfer, in bytes per second
	 */
	public final long speedRaw;
	/**
	 * Speed of transfer, human readable, including server side copying
	 */
	public final String virtualSpeed;
	/**
	 * Speed of transfer, in bytes per second, including server side copying
	 */
	public final long virtualSpeedRaw;
	/**
	 * Estimated remaining time, in milliseconds. 0 == not updated
	 */
	public final long remainingRaw;
	/**
	 * State of the transfer
	 */
	public final TransferState state;
	/**
	 * An optional error message
	 */
	public final String errorMessage;
	
	/**
	 * How many blocks have been hashed locally
	 */
	public final int locallyHashedCount;

	public TransferEvent(TransferState state, byte[] progress, long speedRaw, long virtualSpeedRaw, long remainingRaw,
			String errorMessage, int hashCompleteCount) {
		this.state = state;
		this.progress = progress;
		this.speedRaw = speedRaw;
		this.speed = FormatHelper.bytes(speedRaw, false) + "/s";
		this.virtualSpeedRaw = virtualSpeedRaw;
		this.virtualSpeed = FormatHelper.bytes(virtualSpeedRaw, false) + "/s";
		this.remainingRaw = remainingRaw;
		if (remainingRaw == 0) {
			this.remaining = null;
		} else {
			this.remaining = FormatHelper.formatMilliseconds(remainingRaw + 30000, false);
		}
		this.errorMessage = errorMessage;
		this.locallyHashedCount = hashCompleteCount;
	}

	public TransferEvent(TransferState state, byte[] progress, long speedRaw, long virtualSpeedRaw, long remainingRaw,
			String errorMessage) {
		this(state, progress, speedRaw, virtualSpeedRaw, remainingRaw, errorMessage, progress == null ? 0 : progress.length);
	}

}