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package org.jetlinks.rule.engine.api.model;

import lombok.Getter;
import lombok.Setter;
import org.jetlinks.rule.engine.api.scheduler.SchedulingRule;

import java.util.*;
import java.util.stream.Collectors;

/**
 * 规则模型
 *
 * @author zhouhao
 * @since 1.0.0
 */
@Getter
@Setter
public class RuleModel {

    private String id;

    private String name;

    private String description;

    private SchedulingRule schedulingRule;

    private Map configuration = new HashMap<>();

    private List events = new ArrayList<>();

    private List nodes = new ArrayList<>();

    public List getEvents(String type) {
        return events.stream()
                .filter(link -> type.equals(link.getType()))
                .collect(Collectors.toList());
    }

    public Optional getNode(String nodeId) {
        return nodes.stream()
                .filter(model -> model.getId().equals(nodeId))
                .findFirst();
    }

    public RuleModel addConfiguration(String key, Object value) {
        configuration.put(key, value);
        return this;
    }

    public Optional getStartNode() {
        return nodes.stream()
                .filter(RuleNodeModel::isStart)
                .findFirst();
    }

    public List getEndNodes() {
        return nodes.stream()
                .filter(RuleNodeModel::isEnd)
                .collect(Collectors.toList());
    }
}