package com.crawler.command;

import com.crawler.controller.CrawlerController;
import com.crawler.crawler.Crawler;
import com.crawler.crawler.CrawlerFactory;
import com.crawler.model.CrawlerConfig;

public class CrawlCommand extends BaseCommand {
    @Override
    public String getName() {
        return "crawl";
    }

    @Override
    public String getDescription() {
        return "运行爬虫，输入URL自动选择爬虫";
    }

    @Override
    public void execute() {
        String url = readInput("请输入要爬取的URL: ");
        
        if (url.isEmpty()) {
            System.out.println("错误: URL不能为空");
            return;
        }

        try {
            CrawlerFactory factory = CrawlerFactory.getInstance();
            Crawler crawler = factory.createCrawler(url);
            String crawlerName = factory.getCrawlerName(url);
            
            System.out.println("使用爬虫: " + crawlerName);
            
            CrawlerConfig config = new CrawlerConfig();
            config.setTargetUrl(url);
            
            CrawlerController controller = new CrawlerController(crawler);
            controller.setConfig(config);
            controller.execute();
            
        } catch (Exception e) {
            System.err.println("爬虫执行失败: " + e.getMessage());
        }
    }
}