package foundation.dao;

import foundation.action.ActionProvider;
import foundation.data.entity.Entity;
import foundation.data.object.DataObject;
import foundation.data.object.EntitySaver;
import foundation.translator.Translator;

public class Settings extends ActionProvider {

	private static DataObject dataObject;
	
	
	@Override
	protected void publishMethod() {
		//1. 获取 setting
		addMethod("getValue");
		
		//2. 设置 setting
		addMethod("setValue");
	}

	public synchronized void getValue() throws Exception {
		if (dataObject == null) {
			dataObject = DataObject.getInstance("sys_setting");
		}
		
		String name = dataReader.getString("name");
		Entity entity = dataObject.getTableEntity(new Filter("name", name));
		
		if (entity == null) {
			dataWriter.addValue("");
			return;
		}
		
		String value = entity.getString("value");
		dataWriter.addValue(value);
	}
	
	public synchronized void setValue() throws Exception {
		if (dataObject == null) {
			dataObject = DataObject.getInstance("sys_setting");
		}
		
		String name = dataReader.getString("name");
		String value = dataReader.getString("value");
		
		Entity entity = dataObject.getTableEntity(new Filter("name", name));
		
		if (entity == null) {
			return;
		}
		
		EntitySaver saver = dataObject.createEntitySaver(entity);
		saver.set("value", value);
		saver.update();
	}
	
	public static String getString(String name) throws Exception {
		if (dataObject == null) {
			dataObject = DataObject.getInstance("sys_setting");
		}
		
		Entity entity = dataObject.getTableEntity(new Filter("code", name));
		
		if (entity == null) {
			return null;
		}
		
		String value = entity.getString("value");
		return value;
	}
	
	public static boolean getBoolean(String name, boolean defaultValue) throws Exception {
		if (dataObject == null) {
			dataObject = DataObject.getInstance("sys_setting");
		}
		
		Entity entity = dataObject.getTableEntity(new Filter("name", name));
		
		if (entity == null) {
			return defaultValue;
		}
		
		String value = entity.getString("value");
		return Translator.toBoolean(value, defaultValue);
	}
	
	public static int getInteger(String name, int defaultValue) throws Exception {
		Entity entity = dataObject.getTableEntity(new Filter("name", name));
		
		if (entity == null) {
			return defaultValue;
		}
		
		String value = entity.getString("value");
		return Translator.toInteger(value, defaultValue);
	}
}