package foundation.clean;

import foundation.dao.preload.Bucket;
import foundation.data.entity.Entity;
import foundation.json.JSONReader;

public class CleanEngine {
	private String id;
	private String name;
	private Bucket<Rule> ruleBucket;
	private String remark;

	public void load(Entity entity) throws Exception {
		id = entity.getString("id");
		name = entity.getString("name");
		remark = entity.getString("remark");
	}
	
	public void loadOneRule(Entity entity) throws Exception {
		Rule oneRule = new Rule();
		oneRule.load(entity);
		
		if (ruleBucket == null) {
			ruleBucket = new Bucket<Rule>();
		}
		ruleBucket.loadOne(entity.getId(), oneRule);
	}

	public String modify(String value) throws Exception {
		for(Rule rule: ruleBucket) {
			String result = rule.match(value);
			
			if (result != null) {
				// return result value if match anyone rule
				return result;
			}
		}
		return null;
	}

	public JSONReader modify(JSONReader data, String field) throws Exception {
		JSONReader json = data;
		String value = json.getString(field);
		for(Rule rule: ruleBucket) {
			String result = rule.match(value);
			
			if (result != null) {
				// return json value if match anyone rule
				json.put(field, result);
				return json;
			}
		}
		return null;
	}

	public Entity modify(Entity entity, String field) throws Exception {
		Entity data = entity;
		String value = data.getString(field);
		for(Rule rule: ruleBucket) {
			String result = rule.match(value);
			
			if (result != null) {
				// return entity value if match anyone rule
				data.set(field, result);
				return data;
			}
		}
		return null;
	}

	public String getId() {
		return id;
	}

	public String getName() {
		return name;
	}

	public Bucket<Rule> getRuleBucket() {
		return ruleBucket;
	}

	public String getRemark() {
		return remark;
	}
	
}