<?php

namespace app\entity\admin\response;

use app\entity\CommonEntity;

/**
 * 管理员公共响应实体
 * 用于统一接口返回格式
 */
class AdminCommonResponseEntity extends CommonEntity
{
    /**
     * 状态码
     * @var int
     */
    public $code;

    /**
     * 消息内容
     * @var string
     */
    public $message;

    /**
     * 响应数据
     * @var mixed
     */
    public $data;

    /**
     * 时间戳
     * @var int
     */
    public $timestamp;

    /**
     * 获取状态码
     * @return int
     */
    public function getCode(): int
    {
        return $this->code;
    }

    /**
     * 设置状态码
     * @param int $code
     * @return AdminCommonResponseEntity
     */
    public function setCode(int $code): AdminCommonResponseEntity
    {
        $this->code = $code;
        return $this;
    }

    /**
     * 获取消息内容
     * @return string
     */
    public function getMessage(): string
    {
        return $this->message;
    }

    /**
     * 设置消息内容
     * @param string $message
     * @return AdminCommonResponseEntity
     */
    public function setMessage(string $message): AdminCommonResponseEntity
    {
        $this->message = $message;
        return $this;
    }

    /**
     * 获取响应数据
     * @return mixed
     */
    public function getData()
    {
        return $this->data;
    }

    /**
     * 设置响应数据
     * @param mixed $data
     * @return AdminCommonResponseEntity
     */
    public function setData($data): AdminCommonResponseEntity
    {
        $this->data = $data;
        return $this;
    }

    /**
     * 获取时间戳
     * @return int
     */
    public function getTimestamp(): int
    {
        return $this->timestamp;
    }

    /**
     * 设置时间戳
     * @param int $timestamp
     * @return AdminCommonResponseEntity
     */
    public function setTimestamp(int $timestamp): AdminCommonResponseEntity
    {
        $this->timestamp = $timestamp;
        return $this;
    }

    /**
     * 创建成功响应
     * @param mixed $data 响应数据
     * @param string $message 成功消息
     * @param int $code 状态码
     * @return AdminCommonResponseEntity
     */
    public static function success(string $message = '操作成功', int $code = 200, $data = null): AdminCommonResponseEntity
    {
        return (new self())
            ->setCode($code)
            ->setMessage($message)
            ->setData($data)
            ->setTimestamp(time());
    }

    /**
     * 创建失败响应
     * @param string $message 错误消息
     * @param int $code 状态码
     * @param mixed $data 额外数据
     * @return AdminCommonResponseEntity
     */
    public static function error(string $message = '操作失败', int $code = 400, $data = null): AdminCommonResponseEntity
    {
        return (new self())
            ->setCode($code)
            ->setMessage($message)
            ->setData($data)
            ->setTimestamp(time());
    }

    /**
     * 创建分页数据响应
     * @param  array  $list  数据列表
     * @param  int  $total  总记录数
     * @param  int  $page  当前页码
     * @param  int  $limit  每页数量
     * @param  string  $message  成功消息
     * @param  int  $code  状态码
     * @return AdminCommonResponseEntity
     */
    public static function paginate(array $list, int $total, int $page, int $limit, string $message = '获取成功', int $code = 200): AdminCommonResponseEntity
    {
        $paginationData = [
            'list' => $list,
            'total' => $total,
            'page' => $page,
            'limit' => $limit,
            'total_page' => ceil($total / $limit)
        ];

        return (new self())
            ->setCode($code)
            ->setMessage($message)
            ->setData($paginationData)
            ->setTimestamp(time());
    }

    /**
     * 转换为数组格式
     * @return array
     */
    public function toResponseArray(): array
    {
        return [
            'code' => $this->code,
            'message' => $this->message,
            'data' => $this->data,
            'timestamp' => $this->timestamp
        ];
    }

    /**
     * 转换为JSON字符串
     * @return string
     */
    public function toJson(): string
    {
        return json_encode($this->toResponseArray(), JSON_UNESCAPED_UNICODE);
    }
}