seven
/
bot-28


			
				
					
						
						
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							<?php

namespace App\Services;

use App\Models\Config;
use App\Models\Message;
use Illuminate\Support\Facades\App;
use Illuminate\Support\Facades\Storage;

class LotteryImageService
{
    /**
     * 生成开奖记录图片
     * @param array $records 开奖记录数组
     * @return string 图片的访问URL
     * @throws \Exception
     */
    public function generate(array $records): string
    {
        // ========= 1. 生成HTML内容 =========
        $html = $this->buildHtml($records);
        // ========= 2. 保存HTML到临时文件 =========
        //        $htmlPath = storage_path("app/lottery_temp.html");
        $group_language = Config::where('field', 'group_language')->first()->val;
        $htmlPath = base_path() . "/public/static/html/lottery_temp.html";
        file_put_contents($htmlPath, $html);

        // ========= 3. 输出图片路径 =========
        $fileName = 'lottery_' . $records[0]['issue_no'] . '.png';
        $outputPath = storage_path('app/public/lottery/' . $fileName);
        if (!is_dir(dirname($outputPath))) {
            mkdir(dirname($outputPath), 0755, true);
        }

        // ========= 4. 调用 wkhtmltoimage =========
        // --quality 100 提高图片质量，可选
        $cmd = sprintf(
            'wkhtmltoimage --quality 100 %s %s',
            escapeshellarg($htmlPath),
            escapeshellarg($outputPath)
        );

        exec($cmd, $output, $code);

        if ($code !== 0 || !file_exists($outputPath)) {
            throw new \Exception('图片生成失败，请检查是否已安装 wkhtmltoimage 并可在命令行执行');
        }

        // ========= 5. 返回访问URL =========
        return Storage::url('lottery/' . $fileName);
    }

    /**
     * 生成HTML内容
     */
    protected function buildHtml($records): string
    {
        $time = now()->format('Y-m-d H:i:s');
        $lang = App::getLocale();
        $group_language = Config::where('field', 'group_language')->first()->val;
        App::setLocale($group_language);
        $rows = '';
        foreach ($records as $row) {
            $rows .= '<tr>';
            $rows .= '<td>' . htmlspecialchars($row['issue_no']) ." ". lang("期").'</td>';
            $rows .= '<td>';
            foreach ($row['winning_numbers'] as $i => $num) {
                $color = match ($i) {
                    0 => '#FF8A8A',
                    1 => '#8AB8FF',
                    2 => '#FFDF80',
                    default => '#000',
                };
                $rows .= "<span style='color: {$color};'>{$num}</span>";
                if ($i < count($row['winning_numbers']) - 1) $rows .= ' + ';
            }
            $rows .= ' = ' . array_sum($row['winning_numbers']) . '</td>';
            $rows .= '<td>' . $row['combo'] . '</td>';
            $rows .= '<td>' . $row['extreme'] . '</td>';
            $rows .= '<td>' . $row['tail'] . '</td>';
            $rows .= '</tr>';
        }
        $Canada28LotteryResults = lang("加拿大28开奖记录");
        $recentLotteryResults = lang("最近开奖记录");
        $th1 = lang("回合");
        $th2 = lang("结果");
        $th3 = lang("组合");
        $th4 = lang("极值");
        $th5 = lang("尾数");
        $createdTime = lang("生成时间");
        $dataForReferenceOnly = lang("数据仅供参考");
        App::setLocale($lang);
        return <<<HTML
<!DOCTYPE html>
<html>
<head>
<meta charset="UTF-8">
<title>{$Canada28LotteryResults}</title>
<style>
body {
    font-family: "Microsoft YaHei", Arial, sans-serif;
    /* background: linear-gradient(135deg, #667eea 0%, #764ba2 100%); */
    /* background:  #667eea 0%; */
    margin: 0;
    padding: 5px;
    min-height: 100vh;
}
.container {
    max-width: 800px;
    margin: 0 auto;
    background: white;
    border-radius: 15px;
    box-shadow: 0 10px 30px rgba(0,0,0,0.3);
    overflow: hidden;
}
.header {
    /* background: linear-gradient(45deg, #e74c3c, #c0392b); */
    background:  #e74c3c;
    color: white;
    padding: 20px;
    text-align: center;
}
.header h1 {
    margin: 0;
    font-size: 28px;
    text-shadow: 2px 2px 4px rgba(0,0,0,0.3);
}
.results-table {
    width: 100%;
    border-collapse: collapse;
}
.results-table th {
    background: #34495e;
    color: white;
    padding: 15px 10px;
    text-align: center;
}
.results-table td {
    padding: 12px 10px;
    text-align: center;
    border-bottom: 1px solid #e0e0e0;
    font-weight: 900;
}
.footer {
    background: #ecf0f1;
    padding: 15px;
    text-align: center;
    color: #7f8c8d;
    font-size: 12px;
}
</style>
</head>
<body>
<div class="container">
    <div class="header">
        <h1>{$Canada28LotteryResults}</h1>
        <div class="subtitle">{$recentLotteryResults}</div>
    </div>
    <table class="results-table">
        <thead>
            <tr>
                <th>{$th1}</th>
                <th>{$th2}</th>
                <th>{$th3}</th>
                <th>{$th4}</th>
                <th>{$th5}</th>
            </tr>
        </thead>
        <tbody>
            {$rows}
        </tbody>
    </table>
    <div class="footer">
        {$createdTime}: {$time} | {$dataForReferenceOnly}
    </div>
</div>
</body>
</html>
HTML;
    }
}