package com.chinaztt.mes.quality.state.result;

import com.chinaztt.mes.quality.entity.Result;
import com.chinaztt.mes.quality.state.result.constant.ResultEvents;
import com.chinaztt.mes.quality.state.result.constant.ResultStates;
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: cxf
 * @Date: 2021-05-06 17:21
 */
@Configuration
@EnableStateMachineFactory(name = "resultStateMachineFactory")
public class ResultStateMachineConfig extends EnumStateMachineConfigurerAdapter<ResultStates, ResultEvents> {

	public final static String MACHINE_ID = "resultStateMachine";

	@Override
	public void configure(StateMachineStateConfigurer<ResultStates, ResultEvents> states) throws Exception {
		states.withStates()
				.initial(ResultStates.UNTESTED)
				.states(EnumSet.allOf(ResultStates.class));
	}

	@Override
	public void configure(StateMachineTransitionConfigurer<ResultStates, ResultEvents> transitions) throws Exception {
		transitions
				.withExternal()
				.target(ResultStates.UNTESTED)
				.event(ResultEvents.UNTESTED)
				.and()
				.withExternal()
				.source(ResultStates.UNTESTED).target(ResultStates.TESTING)
				.event(ResultEvents.TESTING)
				.and()
				.withExternal()
				.source(ResultStates.TESTING).target(ResultStates.TESTED)
				.event(ResultEvents.TESTED);
	}

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

	/**
	 * 持久化配置
	 *
	 * @return
	 */
	@Bean(name = "resultPersister")
	public StateMachinePersister<ResultStates, ResultEvents, Result> persister() {
		return new DefaultStateMachinePersister<>(new StateMachinePersist<ResultStates, ResultEvents, Result>() {
			@Override
			public void write(StateMachineContext<ResultStates, ResultEvents> stateMachineContext, Result result) throws Exception {

			}

			@Override
			public StateMachineContext<ResultStates, ResultEvents> read(Result qualityResult) throws Exception {
				StateMachineContext<ResultStates, ResultEvents> result = new DefaultStateMachineContext<ResultStates, ResultEvents>(ResultStates.getEnum(qualityResult.getCheckStatus()),
						null, null, null, null, MACHINE_ID);
				return result;
			}
		});
	}

}