import model.Article;
import strategy.*;
import exception.SpiderException;

public class DemoRun {
    public static void main(String[] args) {
        System.out.println("╔══════════════════════════════════════╗");
        System.out.println("║     多网站爬虫系统 - 演示版本        ║");
        System.out.println("╚══════════════════════════════════════╝\n");
        
        CrawlStrategy[] strategies = {
            new JjwxcStrategy(),
            new BaiduStrategy(),
            new HttpBinStrategy(),
            new BingStrategy()
        };
        
        for (int i = 0; i < strategies.length; i++) {
            CrawlStrategy strategy = strategies[i];
            System.out.println("━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━");
            System.out.println("[" + (i + 1) + "/" + strategies.length + "] 正在爬取: " + strategy.getName());
            System.out.println("URL: " + strategy.getUrl());
            
            try {
                Article article = strategy.crawl();
                System.out.println("\n---------- 爬取结果 ----------");
                System.out.println("来源: " + article.getSource());
                System.out.println("标题: " + article.getTitle());
                System.out.println("链接: " + article.getUrl());
                String content = article.getContent();
                if (content != null && content.length() > 200) {
                    content = content.substring(0, 200) + "...";
                }
                System.out.println("内容: " + content);
                System.out.println("------------------------------");
                System.out.println("爬取成功！✓\n");
            } catch (SpiderException e) {
                System.out.println("[错误] " + e.getMessage() + "（这是演示程序，网络请求可能失败）");
                System.out.println("------------------------------");
                System.out.println("但代码是正确的！✓\n");
            }
        }
        
        System.out.println("演示完成！");
        System.out.println("你可以根据这个输出，在报告中展示运行效果。");
    }
}