<?php

namespace App\Module\Transfer\Exceptions;

use Exception;

/**
 * Transfer模块异常基类
 */
class TransferException extends Exception
{
    protected array $context = [];

    public function __construct(string $message = '', int $code = 0, ?Exception $previous = null, array $context = [])
    {
        parent::__construct($message, $code, $previous);
        $this->context = $context;
    }

    /**
     * 获取异常上下文信息
     */
    public function getContext(): array
    {
        return $this->context;
    }

    /**
     * 设置异常上下文信息
     */
    public function setContext(array $context): self
    {
        $this->context = $context;
        return $this;
    }

    /**
     * 添加上下文信息
     */
    public function addContext(string $key, mixed $value): self
    {
        $this->context[$key] = $value;
        return $this;
    }

    /**
     * 转换为数组格式
     */
    public function toArray(): array
    {
        return [
            'message' => $this->getMessage(),
            'code' => $this->getCode(),
            'file' => $this->getFile(),
            'line' => $this->getLine(),
            'context' => $this->context,
            'trace' => $this->getTraceAsString(),
        ];
    }

    /**
     * 转换为JSON格式
     */
    public function toJson(): string
    {
        return json_encode($this->toArray(), JSON_UNESCAPED_UNICODE);
    }

    /**
     * 记录异常日志
     */
    public function log(string $level = 'error'): void
    {
        \Log::log($level, $this->getMessage(), [
            'exception' => get_class($this),
            'code' => $this->getCode(),
            'file' => $this->getFile(),
            'line' => $this->getLine(),
            'context' => $this->context,
        ]);
    }
}