package com.chinaztt.mes.plan.state.requirement;

import com.chinaztt.mes.plan.entity.MpsRequirements;
import com.chinaztt.mes.plan.state.requirement.constant.MpsRequirementsEvents;
import com.chinaztt.mes.plan.state.requirement.constant.MpsRequirementsStates;
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: 2020-09-19 17:21
 */
@Configuration
@EnableStateMachineFactory(name = "mpsRequirementsStateMachineFactory")
public class MpsRequirementsStateMachineConfig extends EnumStateMachineConfigurerAdapter<MpsRequirementsStates, MpsRequirementsEvents> {

	public final static String MACHINE_ID = "mpsRequirementsStateMachine";

	@Override
	public void configure(StateMachineStateConfigurer<MpsRequirementsStates, MpsRequirementsEvents> states) throws Exception {
		states.withStates()
				.initial(MpsRequirementsStates.PLANNED)
				.states(EnumSet.allOf(MpsRequirementsStates.class));
	}

	@Override
	public void configure(StateMachineTransitionConfigurer<MpsRequirementsStates, MpsRequirementsEvents> transitions) throws Exception {
		transitions
				.withExternal()
				.source(MpsRequirementsStates.PLANNED).target(MpsRequirementsStates.ISSUED)
				.event(MpsRequirementsEvents.COMMAND)
				.and()
				.withExternal()
				.source(MpsRequirementsStates.PLANNED).target(MpsRequirementsStates.COMPLETED)
				.event(MpsRequirementsEvents.COMPLETE)
				.and()
				.withExternal()
				.source(MpsRequirementsStates.PLANNED).target(MpsRequirementsStates.CANCELED)
				.event(MpsRequirementsEvents.CANCEL)

				.and()
				.withExternal()
				.source(MpsRequirementsStates.ISSUED).target(MpsRequirementsStates.COMPLETED)
				.event(MpsRequirementsEvents.COMPLETE)
				.and()
				.withExternal()
				.source(MpsRequirementsStates.ISSUED).target(MpsRequirementsStates.CANCELED)
				.event(MpsRequirementsEvents.CANCEL)

				.and()
				.withExternal()
				.source(MpsRequirementsStates.COMPLETED).target(MpsRequirementsStates.CANCELED)
				.event(MpsRequirementsEvents.CANCEL)

				.and()
				.withExternal()
				.source(MpsRequirementsStates.CANCELED).target(MpsRequirementsStates.COMPLETED)
				.event(MpsRequirementsEvents.COMPLETE)
				.and()
				.withExternal()
				.source(MpsRequirementsStates.CANCELED).target(MpsRequirementsStates.ISSUED)
				.event(MpsRequirementsEvents.COMMAND)
				.and()
				.withExternal()
				.source(MpsRequirementsStates.CANCELED).target(MpsRequirementsStates.PLANNED)
				.event(MpsRequirementsEvents.PLAN)
				.and()
				.withExternal()
				.source(MpsRequirementsStates.COMPLETED).target(MpsRequirementsStates.ISSUED)
				.event(MpsRequirementsEvents.COMMAND)
				.and()
				.withExternal()
				.source(MpsRequirementsStates.COMPLETED).target(MpsRequirementsStates.PLANNED)
				.event(MpsRequirementsEvents.PLAN)
				.and()
				.withExternal()
				.source(MpsRequirementsStates.ISSUED).target(MpsRequirementsStates.PLANNED)
				.event(MpsRequirementsEvents.PLAN);
	}

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

	/**
	 * 持久化配置
	 *
	 * @return
	 */
	@Bean(name = "mpsRequirementsPersister")
	public StateMachinePersister<MpsRequirementsStates, MpsRequirementsEvents, MpsRequirements> persister() {
		return new DefaultStateMachinePersister<>(new StateMachinePersist<MpsRequirementsStates, MpsRequirementsEvents, MpsRequirements>() {
			@Override
			public void write(StateMachineContext<MpsRequirementsStates, MpsRequirementsEvents> stateMachineContext, MpsRequirements mpsRequirements) throws Exception {

			}

			@Override
			public StateMachineContext<MpsRequirementsStates, MpsRequirementsEvents> read(MpsRequirements mpsRequirements) throws Exception {
				StateMachineContext<MpsRequirementsStates, MpsRequirementsEvents> result = new DefaultStateMachineContext<MpsRequirementsStates, MpsRequirementsEvents>(MpsRequirementsStates.getEnum(mpsRequirements.getState()),
						null, null, null, null, MACHINE_ID);
				return result;
			}
		});
	}

}