<?php

namespace App\Http\Controllers;

use App\Http\Models\ReferralLog;
use App\Http\Models\SensitiveWords;
use App\Http\Models\UserBalanceLog;
use Exception;
use Illuminate\Foundation\Auth\Access\AuthorizesRequests;
use Illuminate\Foundation\Bus\DispatchesJobs;
use Illuminate\Foundation\Validation\ValidatesRequests;
use Illuminate\Routing\Controller as BaseController;

class Controller extends BaseController
{
	use AuthorizesRequests, DispatchesJobs, ValidatesRequests;

	// 生成随机密码
	public function makePasswd()
	{
		exit(makeRandStr());
	}

	// 生成VmessId
	public function makeVmessId()
	{
		exit(createGuid());
	}

	// 生成网站安全码
	public function makeSecurityCode()
	{
		exit(strtolower(makeRandStr(8)));
	}

	// 类似Linux中的tail命令
	public function tail($file, $n, $base = 5)
	{
		$fileLines = $this->countLine($file);
		if($fileLines < 15000){
			return FALSE;
		}

		$fp = fopen($file, "r+");
		assert($n > 0);
		$pos = $n+1;
		$lines = [];
		while(count($lines) <= $n){
			try{
				fseek($fp, -$pos, SEEK_END);
			} catch(Exception $e){
				fseek(0);
				break;
			}

			$pos *= $base;
			while(!feof($fp)){
				array_unshift($lines, fgets($fp));
			}
		}

		return array_slice($lines, 0, $n);
	}

	/**
	 * 计算文件行数
	 */
	public function countLine($file)
	{
		$fp = fopen($file, "r");
		$i = 0;
		while(!feof($fp)){
			//每次读取2M
			if($data = fread($fp, 1024*1024*2)){
				//计算读取到的行数
				$num = substr_count($data, "\n");
				$i += $num;
			}
		}

		fclose($fp);

		return $i;
	}

	/**
	 * 记录余额操作日志
	 *
	 * @param int    $userId 用户ID
	 * @param string $oid    订单ID
	 * @param int    $before 记录前余额
	 * @param int    $after  记录后余额
	 * @param int    $amount 发生金额
	 * @param string $desc   描述
	 *
	 * @return int
	 */
	public function addUserBalanceLog($userId, $oid, $before, $after, $amount, $desc = '')
	{
		$log = new UserBalanceLog();
		$log->user_id = $userId;
		$log->order_id = $oid;
		$log->before = $before;
		$log->after = $after;
		$log->amount = $amount;
		$log->desc = $desc;
		$log->created_at = date('Y-m-d H:i:s');

		return $log->save();
	}

	/**
	 * 添加返利日志
	 *
	 * @param int $userId    用户ID
	 * @param int $refUserId 返利用户ID
	 * @param int $oid       订单ID
	 * @param int $amount    发生金额
	 * @param int $refAmount 返利金额
	 *
	 * @return int
	 */
	public function addReferralLog($userId, $refUserId, $oid, $amount, $refAmount)
	{
		$log = new ReferralLog();
		$log->user_id = $userId;
		$log->ref_user_id = $refUserId;
		$log->order_id = $oid;
		$log->amount = $amount;
		$log->ref_amount = $refAmount;
		$log->status = 0;

		return $log->save();
	}

	// 获取敏感词
	public function sensitiveWords($type)
	{
		return SensitiveWords::query()->where('type',$type)->get()->pluck('words')->toArray();
	}

	// 将Base64图片转换为本地图片并保存
	function base64ImageSaver($base64_image_content)
	{
		// 匹配出图片的格式
		if(preg_match('/^(data:\s*image\/(\w+);base64,)/', $base64_image_content, $result)){
			$type = $result[2];

			$directory = date('Ymd');
			$path = '/assets/images/qrcode/'.$directory.'/';
			if(!file_exists(public_path($path))){ // 检查是否有该文件夹，如果没有就创建，并给予最高权限
				mkdir(public_path($path), 0755, TRUE);
			}

			$fileName = makeRandStr(18, TRUE).".{$type}";
			if(file_put_contents(public_path($path.$fileName), base64_decode(str_replace($result[1], '', $base64_image_content)))){
				chmod(public_path($path.$fileName), 0744);

				return $path.$fileName;
			}else{
				return '';
			}
		}else{
			return '';
		}
	}
}