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da-policyengine-dev
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package com.dalab.policyengine.model;

import java.time.Instant;
import java.util.ArrayList;
import java.util.List;
import java.util.Map;
import java.util.UUID;

import org.hibernate.annotations.JdbcTypeCode;
import org.hibernate.type.SqlTypes;

import jakarta.persistence.*;
import jakarta.validation.constraints.NotBlank;
import jakarta.validation.constraints.Size;

@Entity
@Table(name = "policies")
public class Policy {

    @Id
    @GeneratedValue(strategy = GenerationType.AUTO)
    @Column(columnDefinition = "UUID")
    private UUID id;

    @NotBlank
    @Size(max = 255)
    @Column(nullable = false, unique = true)
    private String name;

    @Size(max = 1000)
    private String description;

    @Enumerated(EnumType.STRING)
    @Column(nullable = false)
    private PolicyStatus status = PolicyStatus.DISABLED;

    // MVEL condition for the policy. If all rules pass, this condition is evaluated.
    // Could be null if policy relies solely on its individual rules.
    @Column(columnDefinition = "TEXT")
    private String conditionLogic; // e.g., "rule1 && (rule2 || rule3)"

    @OneToMany(mappedBy = "policy", cascade = CascadeType.ALL, orphanRemoval = true, fetch = FetchType.EAGER)
    private List<PolicyRule> rules = new ArrayList<>();

    @JdbcTypeCode(SqlTypes.JSON)
    @Column(columnDefinition = "jsonb")
    private Map<String, Object> actions; // e.g., { "notify": { "email": "admin@example.com" }, "addLabel": "Sensitive" }

    @Column(nullable = false, updatable = false)
    private Instant createdAt;

    private Instant updatedAt;

    @Column(columnDefinition = "UUID")
    private UUID createdByUserId;

    @Column(columnDefinition = "UUID")
    private UUID updatedByUserId;

    // Getters and Setters

    public UUID getId() {
        return id;
    }

    public void setId(UUID id) {
        this.id = id;
    }

    public String getName() {
        return name;
    }

    public void setName(String name) {
        this.name = name;
    }

    public String getDescription() {
        return description;
    }

    public void setDescription(String description) {
        this.description = description;
    }

    public PolicyStatus getStatus() {
        return status;
    }

    public void setStatus(PolicyStatus status) {
        this.status = status;
    }

    public String getConditionLogic() {
        return conditionLogic;
    }

    public void setConditionLogic(String conditionLogic) {
        this.conditionLogic = conditionLogic;
    }

    public List<PolicyRule> getRules() {
        return rules;
    }

    public void setRules(List<PolicyRule> rules) {
        this.rules = rules;
        this.rules.forEach(rule -> rule.setPolicy(this));
    }

    public void addRule(PolicyRule rule) {
        this.rules.add(rule);
        rule.setPolicy(this);
    }

    public void removeRule(PolicyRule rule) {
        this.rules.remove(rule);
        rule.setPolicy(null);
    }

    public Map<String, Object> getActions() {
        return actions;
    }

    public void setActions(Map<String, Object> actions) {
        this.actions = actions;
    }

    public Instant getCreatedAt() {
        return createdAt;
    }

    public void setCreatedAt(Instant createdAt) {
        this.createdAt = createdAt;
    }

    public Instant getUpdatedAt() {
        return updatedAt;
    }

    public void setUpdatedAt(Instant updatedAt) {
        this.updatedAt = updatedAt;
    }

    public UUID getCreatedByUserId() {
        return createdByUserId;
    }

    public void setCreatedByUserId(UUID createdByUserId) {
        this.createdByUserId = createdByUserId;
    }

    public UUID getUpdatedByUserId() {
        return updatedByUserId;
    }

    public void setUpdatedByUserId(UUID updatedByUserId) {
        this.updatedByUserId = updatedByUserId;
    }

    @PrePersist
    protected void onCreate() {
        createdAt = Instant.now();
        updatedAt = Instant.now();
    }

    @PreUpdate
    protected void onUpdate() {
        updatedAt = Instant.now();
    }
}