<?php

namespace App\Console\Commands;

use App\Services\KnowledgePointQuestionStatsService;
use Illuminate\Console\Command;
use Illuminate\Support\Facades\File;

class KnowledgePointQuestionStatsMarkdownCommand extends Command
{
    protected $signature = 'stats:kp-questions-md
                            {--output= : 写入文件路径（绝对路径、或项目根下 docs/xxx、或相对于 storage/app）}';

    protected $description = '输出知识点题量统计 Markdown 表（questions / questions_tem 不重复）';

    public function handle(KnowledgePointQuestionStatsService $svc): int
    {
        $rows = $svc->buildRows();
        $md = $svc->toMarkdownTable($rows);

        $path = $this->option('output');
        if ($path) {
            $p = ltrim((string) $path, '/');
            if (str_starts_with($p, 'docs/')) {
                $full = base_path($p);
            } elseif (str_starts_with((string) $path, '/') || (strlen((string) $path) > 2 && preg_match('/^[A-Za-z]:\\\\/', (string) $path))) {
                $full = (string) $path;
            } else {
                $full = storage_path('app/'.$p);
            }
            $dir = dirname($full);
            if (! is_dir($dir)) {
                File::makeDirectory($dir, 0755, true);
            }
            file_put_contents($full, $md);
            $this->info('已写入：'.$full);
        }

        $this->line($md);

        return self::SUCCESS;
    }
}