/**
 * 
 */
package test;

import java.math.BigDecimal;
import java.util.ArrayList;
import java.util.Date;
import java.util.List;
import java.util.Map;

import javax.faces.bean.CustomScoped;
import javax.faces.bean.ManagedBean;

import org.icefaces.ace.model.table.LazyDataModel;
import org.icefaces.ace.model.table.SortCriteria;


/**
 *
 */
@ManagedBean(name="listBean")
@CustomScoped(value = "#{window}")
public class TestDataModel extends LazyDataModel<TestDataModel.RowItem> {

	/**
	 * 
	 */
	private static final long serialVersionUID = 1L;
	
	private List<RowItem> data;
	private List<Column> columns;
	private Date date;
	private int dataSize = 5000;
	
	private RowItem selectedItem;
	private RowItem[] selectedItems;

	public TestDataModel() {
		this.setPageSize(5);
		generateList(dataSize);
	}

	@Override
	public List<RowItem> load(int first, int pageSize, SortCriteria[] sort,
			Map<String, String> filters) {
		System.out.println(first + ", " + pageSize + ", " + sort + ", " + filters);
		List<TestDataModel.RowItem> ret = getData().subList(first, Math.min(first + pageSize,dataSize));
		// now that filtering is applied, we know the total amount of items so we can set the rowcount:
		setRowCount(dataSize);
		return ret;
	}
	
	private List<TestDataModel.RowItem> getData() {
		if( data == null ) {
			generateList(getRowCount());
		}
		return data;
	}
	
	public List<TestDataModel.Column> getColumns() {
		if( columns == null ) {
			columns = new ArrayList<Column>();
			columns.add(new Column("Name_Col", "name"));
			columns.add(new Column("ID_Col", "ID"));
		}
		return columns;
	}
	
	public void generateList(int c) {
		this.data = new ArrayList<RowItem>(c);
		for( int i = 0; i < c; i++ ) {
			this.data.add(new RowItem());
		}
	}
	
	public static class Column {
		String name;
		String property;
		
		public Column( String name, String prop ) {
			this.name = name;
			this.property = prop;
		}
		public String getName() {
			return name;
		}
		public void setName(String name) {
			this.name = name;
		}
		public String getProperty() {
			return property;
		}
		public void setProperty(String property) {
			this.property = property;
		}
		public String toString() {
			return this.name + ": " + this.property;
		}
	}
	
	public static class RowItem {
		private String ID;
		private String name;
		private int amount;
		private Date date;
		private BigDecimal cost;
		private static int count = 100000;
		private static final String[] superlatives = new String[] {"Ordinary ", "Awesome ", "Mediocre ", "Worn ", "Magic ", "Extraordinary ", "Plain Old ", "Socketed ", "Possessed ", "Strong ", "Giant ", "Flaming ", "Ancient "};
		private static final String[] names = new String[] {"Long Sword", "Buckler", "Chain Mail", "Long Bow", "Wand", "Staff", "Long Staff", "Spiked Club", "Sceptre", "Sword of the Locust", "Maul", "Ice Wand", "Elvish Amulet", "Ring of Power", "Flail", "Club"};
		
		public RowItem(String name, int amount, BigDecimal cost, Date date) {
			this.ID = "" + count++;
			this.name = name;
			this.amount = amount;
			this.cost = cost;
			this.date = date;
		}
		
		public RowItem() {

			this(generateName(), (int) (Math.random() * 10),
					new BigDecimal(100.0).add(
							new BigDecimal(Math.random() * 100)).subtract(
							new BigDecimal(50)), 
							new Date(System.currentTimeMillis() + (int)(Math.random() * 864000000)));
		}

		private static String generateName() {
			return superlatives[count%superlatives.length] + names[count%names.length];
		}
		
		public String getID() {
			return ID;
		}

		public void setID(String iD) {
			ID = iD;
		}

		public String getName() {
			return name;
		}

		public void setName(String name) {
			this.name = name;
		}

		public int getAmount() {
			return amount;
		}

		public void setAmount(int amount) {
			this.amount = amount;
		}

		public BigDecimal getCost() {
			return cost;
		}

		public void setCost(BigDecimal cost) {
			this.cost = cost;
		}
		
		public String toString() {
			return this.name + " (" + this.ID + ")";
		}

		public Date getDate() {
			return date;
		}

		public void setDate(Date date) {
			this.date = date;
		}
	}

	public RowItem getSelectedItem() {
		return selectedItem;
	}

	public void setSelectedItem(RowItem selectedItem) {
		this.selectedItem = selectedItem;
	}

	public RowItem[] getSelectedItems() {
		return selectedItems;
	}

	public void setSelectedItems(RowItem[] selectedItems) {
		this.selectedItems = selectedItems;
	}

	public Date getDate() {
		return date;
	}

	public void setDate(Date date) {
		this.date = date;
	}

}