package com.chinaztt.mes.production.state.productout;

import com.chinaztt.mes.production.entity.OperationTask;
import com.chinaztt.mes.production.entity.ProductOutput;
import com.chinaztt.mes.production.state.productout.constant.ProductOutEvents;
import com.chinaztt.mes.production.state.productout.constant.ProductOutStates;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;
import org.springframework.statemachine.StateMachineContext;
import org.springframework.statemachine.StateMachinePersist;
import org.springframework.statemachine.config.EnableStateMachineFactory;
import org.springframework.statemachine.config.EnumStateMachineConfigurerAdapter;
import org.springframework.statemachine.config.builders.StateMachineConfigurationConfigurer;
import org.springframework.statemachine.config.builders.StateMachineStateConfigurer;
import org.springframework.statemachine.config.builders.StateMachineTransitionConfigurer;
import org.springframework.statemachine.persist.DefaultStateMachinePersister;
import org.springframework.statemachine.persist.StateMachinePersister;
import org.springframework.statemachine.support.DefaultStateMachineContext;

import java.util.EnumSet;

/**
 * @Author: zhangxy
 * @Date: 2020-08-24 17:21
 */
@Configuration
@EnableStateMachineFactory(name = "productOutStateMachineFactory")
public class ProductOutStateMachineConfig extends EnumStateMachineConfigurerAdapter<ProductOutStates, ProductOutEvents> {

	public final static String MACHINE_ID = "productOutStateMachine";

	@Override
	public void configure(StateMachineStateConfigurer<ProductOutStates, ProductOutEvents> states) throws Exception {
		states.withStates()
				.initial(ProductOutStates.DRAFT)
				.states(EnumSet.allOf(ProductOutStates.class));
	}

	@Override
	public void configure(StateMachineTransitionConfigurer<ProductOutStates, ProductOutEvents> transitions) throws Exception {
		transitions
				.withExternal()
				.source(ProductOutStates.DRAFT).target(ProductOutStates.SUBMITTED)
				.event(ProductOutEvents.SUBMIT)
				.and()
				.withExternal()
				.source(ProductOutStates.SUBMITTED).target(ProductOutStates.DRAFT)
				.event(ProductOutEvents.REVOKE)
				.and()
				.withExternal()
				.source(ProductOutStates.CHANGESHIFT).target(ProductOutStates.DRAFT)
				.event(ProductOutEvents.CHANGESHIFTTODRAFT)
				.and()
				.withExternal()
				.source(ProductOutStates.DRAFT).target(ProductOutStates.CHANGESHIFT)
				.event(ProductOutEvents.DRAFTTOCHANGESHIFT);
	}

	@Override
	public void configure(StateMachineConfigurationConfigurer<ProductOutStates, ProductOutEvents> config)
			throws Exception {
		config.withConfiguration().machineId(MACHINE_ID);
	}

	/**
	 * 持久化配置
	 *
	 * @return
	 */
	@Bean(name = "productOutPersister")
	public StateMachinePersister<ProductOutStates, ProductOutEvents, ProductOutput> persister() {
		return new DefaultStateMachinePersister<>(new StateMachinePersist<ProductOutStates, ProductOutEvents, ProductOutput>() {
			@Override
			public void write(StateMachineContext<ProductOutStates, ProductOutEvents> stateMachineContext, ProductOutput productOutput) throws Exception {

			}

			@Override
			public StateMachineContext<ProductOutStates, ProductOutEvents> read(ProductOutput productOutput) throws Exception {
				StateMachineContext<ProductOutStates, ProductOutEvents> result = new DefaultStateMachineContext<ProductOutStates, ProductOutEvents>(ProductOutStates.getEnum(productOutput.getState()),
						null, null, null, null, MACHINE_ID);
				return result;
			}
		});
	}

}