package foundation.code;

import foundation.dao.bizlogic.ICodeProvider;
import foundation.data.entity.Entity;
import foundation.data.entity.EntitySet;
import foundation.data.object.DataObject;
import foundation.data.rule.FieldDefaultValueCreator;
import foundation.server.Initializer;

public class CodeLoader extends Initializer {
	
	public CodeLoader() {
		
	}

	@Override
	public void startUp() throws Exception {
		//1. 加载配置
		load();
		
		//2. 注册编码默认值Creator
		registerCodeDefaultValueCreator();
		
		//3.
		CodeEngine codeEngine = CodeEngine.getInstance();
		ICodeProvider.providerCreator = codeEngine;
	}

	@Override
	public void shutDown() throws Exception {
		
	}
	
	public void load() throws Exception {
		CodeEngine codeEngine = CodeEngine.createInstance();
		
		try {
			DataObject dataObject = DataObject.getInstance("sys_code");
			EntitySet entitySet = dataObject.getTableEntitySet();
			
			for (Entity entity: entitySet) {
				CodeRule codeRule = new CodeRule();
				codeRule.load(entity);
				CodeRuleRuntime runtime = codeRule.toRuntime();
				
				codeEngine.addOneRule(codeRule.getCode(), runtime);
			}
			
			//2. register code provider
//			VariantCenter center = VariantCenter.getInstance();
//			CodeProvider provider = CodeProvider.getInstance();
			
//			center.registPersist(CodeProvider.getInstance().getVariantNames(), provider);
		}
		finally {
			codeEngine.active();
		}
	}
	
	public void reload() throws Exception {
		CodeEngine codeEngine = CodeEngine.createInstance();
		
		DataObject dataObject = DataObject.getInstance("sys_code");
		EntitySet entitySet = dataObject.getTableEntitySet();
		
		for (Entity entity: entitySet) {
			CodeRule codeRule = new CodeRule();
			codeRule.load(entity);
			CodeRuleRuntime runtime = codeRule.toRuntime();
			
			codeEngine.addOneRule(codeRule.getCode(), runtime);
		}
		
		//2.
		codeEngine.active();
	}

	private void registerCodeDefaultValueCreator() {
		//1. 注册到 field default value creator 中 （data object 中单条使用）
		FieldDefaultValueCreator.registerOne("code", CodeDefaultValueCreator.class);
		
		//2.
		
	}

}