package com.yunhai.userbase.entity;

import lombok.Data;
import lombok.EqualsAndHashCode;
import lombok.NoArgsConstructor;

import javax.persistence.Column;
import javax.persistence.Entity;
import javax.persistence.Index;
import javax.persistence.Table;
import javax.persistence.UniqueConstraint;
import javax.validation.constraints.NotNull;

/**
 * @author chenx
 * @date 2026/7/27
 * @description 用户-业务角色关系表（逻辑外键，无物理 FK）。<br>
 * 一个用户可绑定多个业务角色；一个角色也可绑定多个用户。<br>
 */
@NoArgsConstructor
@Data
@Entity
@Table(
    name = "sys_user_app_role_rel",
    indexes = {
        @Index(name = "idx_user_app_role_user", columnList = "user_id"),
        @Index(name = "idx_user_app_role_role", columnList = "role_id")
    },
    uniqueConstraints = {
        @UniqueConstraint(name = "uk_user_app_role", columnNames = {"user_id", "role_id"})
    }
)
@EqualsAndHashCode(onlyExplicitlyIncluded = true, callSuper = false)
public class SysUserAppRoleRel extends BaseEntity {

    /**
     * 用户ID（逻辑外键 → SysUser.id）。<br>
     */
    @NotNull
    @Column(name = "user_id", nullable = false)
    private Integer userId;

    /**
     * 角色ID（逻辑外键 → SysAppRole.id）。<br>
     */
    @NotNull
    @Column(name = "role_id", nullable = false)
    private Integer roleId;
}