<?php

namespace App\Models;

class PointHistory extends Model
{

    /**
     * 事件类型
     */
    const EVENT_ORDER_CONSUME = 1; // 订单消费
    const EVENT_POINT_REDEEM = 2; // 积分兑换
    const EVENT_POINT_REFUND = 3; // 积分退款
    const EVENT_ACCOUNT_REGISTER = 4; // 帐号注册
    const EVENT_SITE_VISIT = 5; // 站点访问
    const EVENT_CHAPTER_STUDY = 6; // 课时学习
    const EVENT_COURSE_REVIEW = 7; // 课程评价
    const EVENT_IM_DISCUSS = 8; // 微聊讨论
    const EVENT_COMMENT_POST = 9; // 发布评论
    const EVENT_ARTICLE_POST = 10; // 发布文章
    const EVENT_QUESTION_POST = 11; // 发布问题
    const EVENT_ANSWER_POST = 12; // 发布回答
    const EVENT_ARTICLE_LIKED = 13; // 文章被点赞
    const EVENT_QUESTION_LIKED = 14; // 提问被点赞
    const EVENT_ANSWER_LIKED = 15; // 回答被点赞
    const EVENT_ANSWER_ACCEPTED = 16; // 回答被采纳

    /**
     * 主键编号
     *
     * @var int
     */
    public $id = 0;

    /**
     * 用户编号
     *
     * @var int
     */
    public $user_id = 0;

    /**
     * 用户名称
     *
     * @var int
     */
    public $user_name = '';

    /**
     * 事件编号
     *
     * @var int
     */
    public $event_id = 0;

    /**
     * 事件类型
     *
     * @var int
     */
    public $event_type = 0;

    /**
     * 事件内容
     *
     * @var array|string
     */
    public $event_info = [];

    /**
     * 事件积分
     *
     * @var int
     */
    public $event_point = 0;

    /**
     * 创建时间
     *
     * @var int
     */
    public $create_time = 0;

    /**
     * 更新时间
     *
     * @var int
     */
    public $update_time = 0;

    public function getSource(): string
    {
        return 'kg_point_history';
    }

    public function beforeCreate()
    {
        $this->create_time = time();
    }

    public function beforeUpdate()
    {
        $this->update_time = time();
    }

    public function beforeSave()
    {
        if (is_array($this->event_info) || is_object($this->event_info)) {
            $this->event_info = kg_json_encode($this->event_info);
        }
    }

    public function afterFetch()
    {
        if (is_string($this->event_info)) {
            $this->event_info = json_decode($this->event_info, true);
        }
    }

    public static function eventTypes()
    {
        return [
            self::EVENT_ORDER_CONSUME => '订单消费',
            self::EVENT_POINT_REDEEM => '积分兑换',
            self::EVENT_POINT_REFUND => '积分退款',
            self::EVENT_ACCOUNT_REGISTER => '用户注册',
            self::EVENT_SITE_VISIT => '用户登录',
            self::EVENT_CHAPTER_STUDY => '课时学习',
            self::EVENT_COURSE_REVIEW => '课程评价',
            self::EVENT_IM_DISCUSS => '微聊讨论',
        ];
    }

}