<?php

namespace App\Models;

use Illuminate\Database\Eloquent\Model;

class boxCountry extends Model
{
    protected $table = 'box_country';
    public $timestamps = false;
    
    public static function rand($sCase = "a")
    {
        
        if ($sCase == "a") {
            $iCountryLimit = rand(5, 8); // 平均6
            $iNodeLimit = rand(10, 35); // 平局20多
            $iSpeedLimit = rand(5, 30);
        } else if ($sCase == "b") {
            $iCountryLimit = rand(6, 10);
            $iNodeCount = rand(12, 35);
            $iSpeedLimit = rand(5, 30);
        }
        
        //test
//        $iCountryLimit = 3;
        
        $iNodeCount = $iNodeLimit;
        $iSpeed = $iSpeedLimit;
        
        $aCountry = self::all()->toArray();
        
        shuffle($aCountry);
        
        $i = 1;
        $aRandCountry = [];
        foreach ($aCountry as $aCountryRow) {
            
            if (in_array($aCountryRow["name"], $aRandCountry)) {
                continue;
            }
            
            $aRandCountry[] = $aCountryRow["name"];
            
            if ($i >= $iCountryLimit) {
                break;
            } else {
                $i++;
            }
            
        }
        
        $aData["country"] = $aRandCountry;
        $aData["nodeCount"] = $iNodeCount;
        $aData["speed"] = $iSpeed;
        $aData["str"] = self::toStr($aData);
        
        return $aData;
    }
    
    public static function toStr($randData)
    {
        $str = "本次更新共".$randData["nodeCount"]."个可用节点，最高速度".$randData["speed"]."M/S。覆盖".implode("、", $randData["country"])."等多个区域。";
        
        return $str;
    }
    
}