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

import com.chinaztt.mes.plan.entity.MasterProductionSchedule;
import com.chinaztt.mes.plan.state.masterproductionschedule.constant.MasterProductionScheduleEvents;
import com.chinaztt.mes.plan.state.masterproductionschedule.constant.MasterProductionScheduleStates;

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 ZTT
 */
@Configuration
@EnableStateMachineFactory(name = "masterproductionscheduleStateMachineFactory")
public class MasterProductionScheduleStateMachineConfig extends EnumStateMachineConfigurerAdapter<MasterProductionScheduleStates, MasterProductionScheduleEvents> {
	public final static String MACHINE_ID = "masterproductionscheduleStateMachine";

	@Override
	public void configure(StateMachineStateConfigurer<MasterProductionScheduleStates, MasterProductionScheduleEvents> states) throws Exception {
		states.withStates()
				.initial(MasterProductionScheduleStates.PENDING)
				.states(EnumSet.allOf(MasterProductionScheduleStates.class));
	}

	@Override
	public void configure(StateMachineTransitionConfigurer<MasterProductionScheduleStates, MasterProductionScheduleEvents> transitions) throws Exception {
		transitions
				.withExternal()
				.source(MasterProductionScheduleStates.PENDING).target(MasterProductionScheduleStates.PROCESSED)
				.event(MasterProductionScheduleEvents.PROCESSED)
				.and()
				.withExternal()
				.source(MasterProductionScheduleStates.PROCESSED).target(MasterProductionScheduleStates.PENDING)
				.event(MasterProductionScheduleEvents.PENDING)
				.and()
				.withExternal()
				.source(MasterProductionScheduleStates.PROCESSED).target(MasterProductionScheduleStates.CANCELED)
				.event(MasterProductionScheduleEvents.CANCELED)
				.and()
				.withExternal()
				.source(MasterProductionScheduleStates.PENDING).target(MasterProductionScheduleStates.CANCELED)
				.event(MasterProductionScheduleEvents.CANCELED);
	}

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

	/**
	 * 持久化配置
	 *
	 * @return
	 */
	@Bean(name = "MasterProductionSchedulePersister")
	public StateMachinePersister<MasterProductionScheduleStates, MasterProductionScheduleEvents, MasterProductionSchedule> persister() {
		return new DefaultStateMachinePersister<>(new StateMachinePersist<MasterProductionScheduleStates, MasterProductionScheduleEvents, MasterProductionSchedule>() {
			@Override
			public void write(StateMachineContext<MasterProductionScheduleStates, MasterProductionScheduleEvents> stateMachineContext, MasterProductionSchedule masterProductionSchedule) throws Exception {

			}

			@Override
			public StateMachineContext<MasterProductionScheduleStates, MasterProductionScheduleEvents> read(MasterProductionSchedule masterProductionSchedule) throws Exception {
				StateMachineContext<MasterProductionScheduleStates, MasterProductionScheduleEvents> result = new DefaultStateMachineContext<MasterProductionScheduleStates, MasterProductionScheduleEvents>(MasterProductionScheduleStates.getEnum(masterProductionSchedule.getState()),
						null, null, null, null, MACHINE_ID);
				return result;
			}
		});
	}
}