<?php

namespace App\Services;

use App\Models\PcIssue;

class PcIssueService extends BaseService
{
    public static $MODEL = PcIssue::class;

    private static function getKeno(): array
    {
        $numbers = range(1, 80);
        shuffle($numbers);
        $random_numbers = array_slice($numbers, 0, 20);
        sort($random_numbers);
        return $random_numbers;
    }

    private static function getWinningNumbers($keno): array
    {
        $winningNumbers = [];
        $sum = $keno[1] + $keno[4] + $keno[7] + $keno[10] + $keno[13] + $keno[16];
        $winningNumbers[0] = $sum % 10;
        $sum = $keno[2] + $keno[5] + $keno[8] + $keno[11] + $keno[14] + $keno[17];
        $winningNumbers[1] = $sum % 10;
        $sum = $keno[3] + $keno[6] + $keno[9] + $keno[12] + $keno[15] + $keno[18];
        $winningNumbers[2] = $sum % 10;
        return $winningNumbers;
    }


    public static function index(): void
    {
        $list = PcIssue::where('status', PcIssue::STATUS_CLOSE)->get();
        $now = time();
        foreach ($list as $item) {
            if (strtotime($item->end_time) <= $now) {
                $keno = static::getKeno();
                $item->keno = json_encode($keno);
                $winningNumbers = static::getWinningNumbers($keno);
                $item->winning_numbers = implode(',', $winningNumbers);
                $item->status = PcIssue::STATUS_DRAW;
                $item->save();
            }
        }
    }

    private static function createIssueNo()
    {

    }
}