package com.yunhai.flowcenter.entity;

import com.yunhai.flowcenter.enums.FlwEnums;
import lombok.Getter;
import lombok.Setter;

import javax.persistence.Column;
import javax.persistence.Entity;
import javax.persistence.Index;
import javax.persistence.Table;
import javax.persistence.UniqueConstraint;
import java.time.LocalDateTime;

/**
 * 回调推送日志 = 重试队列（概览 §4.9）：eventId 唯一（重试不变，业务方按它幂等去重）；
 * payload_json 完整快照可重放；索引 (status, next_retry_time) 是扫描主路径。
 */
@Getter
@Setter
@Entity
@Table(name = "flw_callback_log",
        uniqueConstraints = @UniqueConstraint(name = "uk_flw_log_event", columnNames = "event_id"),
        indexes = {
                @Index(name = "idx_flw_log_scan", columnList = "status, next_retry_time"),
                @Index(name = "idx_flw_log_inst", columnList = "instance_id")})
public class FlwCallbackLog extends BaseEntity {

    /** 租户键 */
    @Column(name = "sch_id", nullable = false)
    private Long schId;

    /** 归属注册 */
    @Column(name = "reg_id", nullable = false)
    private Long regId;

    /** 事件唯一键（UUID 去横线 32 位），重试不变 */
    @Column(name = "event_id", nullable = false, length = 32)
    private String eventId;

    /** 事件类型（flow.submitted/task.created/task.handled/completed/rejected/withdrawn） */
    @Column(name = "event", nullable = false, length = 32)
    private String event;

    /** 办件 */
    @Column(name = "instance_id", nullable = false)
    private Long instanceId;

    /** 业务键冗余（业务方消费主键） */
    @Column(name = "biz_type", length = 32)
    private String bizType;

    @Column(name = "biz_id", length = 64)
    private String bizId;

    /** 完整推送体快照（含签名原文，可重放） */
    @Column(name = "payload_json", nullable = false, columnDefinition = "LONGTEXT")
    private String payloadJson;

    /** 0 待推/重试中 / 1 成功 / 2 死信 */
    @Column(name = "status", nullable = false)
    private Integer status = FlwEnums.CallbackLogStatus.PENDING.getCode();

    /** 已重试次数 */
    @Column(name = "retry_count", nullable = false)
    private Integer retryCount = 0;

    /** 下次推送时间 */
    @Column(name = "next_retry_time")
    private LocalDateTime nextRetryTime;

    /** 末次 HTTP 状态（管理端排障用） */
    @Column(name = "last_http_status", length = 32)
    private String lastHttpStatus;

    /** 末次错误 */
    @Column(name = "last_error", length = 1000)
    private String lastError;

    /** 响应体摘要（探测/probe 落，截 1000；常规推送不落——2xx 即成功不解析响应体） */
    @Column(name = "resp_body", columnDefinition = "TEXT")
    private String respBody;

    /** 成功时间 */
    @Column(name = "push_time")
    private LocalDateTime pushTime;
}