package foundation.io.define;

import java.util.Iterator;
import java.util.List;

import foundation.right.Range;
import foundation.util.MapList;
import foundation.util.Util;


public class IOTask implements Iterable<DataIO> {
	
	private String name;
	private IOSource source;
	private Range range;
    private MapList<String, DataIO> ioList;
    private boolean existsUploadFile;
    private boolean existsDownloadFile;
    private IOSpeedMode speedMode;

    
    public IOTask(IOSource source) throws Exception {
    	this.source = source;
    	this.ioList = new MapList<String, DataIO>();
    	this.speedMode = IOSpeedMode.Standard;
    }

    public void setName(String name) {
        this.name = name;
    }
    
    public String getName() {
        return name;
    }
    
    public Range getRange() {
		return range;
	}

	public MapList<String, DataIO> getDataIOList() {
        return ioList;
    }
    
    public void addDataIO(DataIO dataIO) {
    	//1.
        String id = dataIO.getId();		
        ioList.add(id, dataIO);
        
        //2. 
        IODirection direction = dataIO.getDirection();
        
        if (IODirection.SheetToTable == direction) {
        	existsUploadFile = true;
        }
        else if (IODirection.SheetToMemory == direction) {
        	existsUploadFile = true;
        }
        else if (IODirection.TableToSheet == direction) {
        	existsDownloadFile = true;
        }
        else if (IODirection.ErrorsToSheet == direction) {
        	existsDownloadFile = true;
        }
    }

    public DataIO getDataIO(String id) {
        if (!ioList.contains(id)) {
            return null;
        }

        return ioList.get(id);
    }
    
    public DataIO getDataIO(int index) {
        return ioList.get(index);
    }

    public void clear() {
        ioList.clear();
    }

	@Override
	public Iterator<DataIO> iterator() {
		return ioList.iterator();
	}

	public List<DataIO> getIOList() {
		return ioList.getItemList();
	}

	public boolean existsUploadFile() {
		return existsUploadFile;
	}

	public boolean existsDownloadFile() {
		return existsDownloadFile;
	}

	public boolean existsFile() {
		return existsUploadFile || existsDownloadFile;
	}

	public IOSpeedMode getSpeedMode() {
		return speedMode;
	}

	public int size() {
		return ioList.size();
	}

	public DataIO getDownloadDataIO() {
		//1. 如果有多个 Data IO，返回那个有template的 IO
		for (DataIO dataIO: ioList) {
			if (IODirection.TableToSheet == dataIO.getDirection() || IODirection.ErrorsToSheet == dataIO.getDirection()) {
				String template = dataIO.getTemplateName();
				
				if (!Util.isEmpty(template)) {
					return dataIO;
				}
			}
		}
		
		//2. 如果没有 template，取第一个可能的
		for (DataIO dataIO: ioList) {
			if (IODirection.TableToSheet == dataIO.getDirection() || IODirection.ErrorsToSheet == dataIO.getDirection()) {
				return dataIO;
			}
		}		
		
		return null;
	}

	public boolean isEmpty() {
		return ioList.isEmpty();
	}

	public IOSource getSource() {
		return source;
	}

}