package foundation.json.tree;

import foundation.json.JSONBuilder;
import foundation.json.JSONReader;
import foundation.json.JType;


public class JTree extends JNode {
	
	public JTree() {
		super("Root", "Root", JType.Root, 0);
	}
	
	public void loadJSON(JSONReader rootReader) {
		if (rootReader == null || rootReader.isEmpty()) {
			return;
		}
		
		JNode node = null; String fullName, name;
		
		for (JSONReader reader: rootReader) {
			name = reader.getName();
			fullName = name;
			node = JNode.newInstance(reader.getType(), fullName, name, level);
			
			if (!reader.hasChildren()) {
				continue;
			}
			
			node.loadJSON(reader, level + 1);	
		}
	}
	
	public void toJSON(JSONBuilder builder) {
		for (JNode node: children) {
			node.toJSON(builder);
		}
	}

	public void loadBand(JBand band) {
		if (band.isEmpty()) {
			return;
		}
		
		JBandItem item = band.next();
		loadBandItem(band, item);
	}
	
	@Override
	public void toBand(JBand band) {
		for (JNode node: children) {
			node.toBand(band);
		}
	}

	@Override
	protected void loadBandItem(JBand band, JBandItem item) {
		int itemLevel = 1;
		
		//1. 加载当前 Item
		JNode node = JNode.createInstance(this, item.getName(itemLevel), item.getType(itemLevel), itemLevel);
		node.loadBandItem(band, item);
		
		//2. 尝试加载后面的 Item
		while (band.hasNext(name, level)) {
			item = band.next();
			
			node = JNode.createInstance(this, item.getName(itemLevel), item.getType(itemLevel), itemLevel);
			node.loadBandItem(band, item);
		}
	}

	public static void main(String[] args) {
		JBand band = new JBand();
		band.appendOne("result.is_success", "true");
		band.appendOne("result.data.org.code", "001");
		band.appendOne("result.data.org.name", "荣光公司");
		band.appendOne("result.data.address[0].name", "办公地址");
		band.appendOne("result.data.address[0].location", "大兴区11号");
		band.appendOne("result.data.address[1].name", "家庭地址");
		band.appendOne("result.data.address[1].location", "大兴区22号");
		band.appendOne("result.data.contact.code", "C01");
		band.appendOne("result.data.contact.name", "赵容");
		
		JTree tree = new JTree();
		tree.loadBand(band);
		
		band = new JBand();
		tree.toBand(band);
		System.out.println(band);
	}

}