package de.ctdo.bunti.model;

import java.util.HashMap;
import java.util.Map;
import java.util.Map.Entry;

import de.ctdo.bunti.dmx.*;

public abstract class BuntiDMXDevice extends BuntiDevice {
	private int startAddress;
	private long lastSendOut;
	private DMXChannels dmxChannels = new DMXChannels();

	public BuntiDMXDevice(int deviceId, int startAddress, String name) {
		super(deviceId,name);
        this.startAddress = startAddress;

	}
		
	public final long getLastSendOut() {
		return lastSendOut;
	}

	public final void setSendOutNow() {
		this.lastSendOut = System.currentTimeMillis();
	}
	
	public final int getStartAddress() {
		return startAddress;
	}

	public final void setStartAddress(int startAddress) {
		this.startAddress = startAddress;
	}

	/**
	 * Set channel value by given channel name.
	 * @param name The channel name to change the value.
	 * @param value The channel value to set.
	 */
	protected final void setChannelValueByName(String name, int value) {
		DMXChannel dx = dmxChannels.getChannelByName(name);
		if(dx != null) {
			dx.setValue(DMX.sanitizeDMXValue(value));
		}
		lastChangedNow();
	}
	
	/**
	 * Returns the channel value identified by channel name.
	 * @param name The channel name to get the value from.
	 * @return The desired channel value.
	 */
	protected final int getChannelValueByName(String name) {
		DMXChannel dx = dmxChannels.getChannelByName(name);
		if(dx != null) {
			return dx.getValue();
		}
		return 0;
	}
	
//	/**
//	 * Merge the DMX values from this device into a global DMX512 Data Array.
//	 * @param dmxData DMX512 Data array to merge the local values into.
//	 * @return True on success, false otherwise.
//	 */
//	public boolean mergeDMXData(int[] dmxData) {
//
//		if(dmxData == null || dmxData.length == 0) {
//			return false;
//		}
//		
//		for (DMXChannel channel : dmxChannels.getAllChannels()) {
//			int index = channel.getOffset() + (startAddress - DMX.DMX_STARTADDRESS_OFFSET);
//			
//			if(index >= 0 && index < dmxData.length){
//				dmxData[index] = channel.getValue();
//			} else {
//				return false;
//			}
//		}
//		
//		return true;
//	}
//	
//	/**
//	 * Merge the DMX values from this device into a global DMX512 Data Array.
//	 * @param dmxData DMX512 Data to merge the local values into.
//	 * @return True on success, false otherwise.
//	 */
//	public boolean mergeDMXData(Map<Integer,Integer> dmxData) {
//	
//		if(dmxData == null || dmxData.size() == 0) {
//			return false;
//		}
//			
//		for (DMXChannel channel : dmxChannels.getAllChannels()) {
//			int index = channel.getOffset() + (startAddress - DMX.DMX_STARTADDRESS_OFFSET);
//			
//			if(index >= DMX.DMX_CHANNELS_MIN && index <= DMX.DMX_CHANNELS_MAX){
//				dmxData.put(index, channel.getValue());
//			} else {
//				return false;
//			}
//		}
//		
//		return true;
//	}
	
	public Map<Integer,Integer> getChannelData() {
		Map<Integer,Integer> map = new HashMap<Integer, Integer>();
		
		for (DMXChannel channel : dmxChannels.getAllChannels()) {
			int index = channel.getOffset() + startAddress + DMX.DMX_STARTADDRESS_OFFSET;
			
			if(index >= DMX.DMX_CHANNELS_MIN && index <= DMX.DMX_CHANNELS_MAX){
				map.put(index, channel.getValue());
			}
		}
		
		return map;
	}

	@Override
	public final boolean setValuesFromOptions(Map<String, Object> options) {
		
		for (Entry<String, Object> opt : options.entrySet()) {
			
			DMXChannel channel = dmxChannels.getChannelByName(opt.getKey());
			
			if(channel != null) {
				try {
					int value = Integer.parseInt(opt.getValue().toString());
					
					setChannelValueByName(channel.getName(), value);	
					
				} catch (Exception e) {
					return false;
				}
			}
		}		
		return true;
	}

    public final boolean addChannel(DMXChannel channel){
        return dmxChannels.addChannel(channel);
    }
	
	@Override
	public String toString() {
		return "BuntiDMXDevice " + getDeviceId() + ", " + getDeviceName();
	}
}