package com.fantaibao.config;

import com.microsoft.playwright.Playwright;
import lombok.extern.slf4j.Slf4j;

/**
 * Playwright单例管理类
 * 用于全局管理和提供Playwright实例
 */
@Slf4j
public class PlaywrightManager {
    
    private static volatile PlaywrightManager instance;
    private Playwright playwright;
    
    private PlaywrightManager() {
        if (instance != null) {
            throw new RuntimeException("请使用getInstance()方法获取实例");
        }
        try {
            this.playwright = Playwright.create();
        } catch (Exception e) {
            log.error("创建Playwright实例失败", e);
            throw new RuntimeException("创建Playwright实例失败", e);
        }
    }
    
    /**
     * 获取PlaywrightManager单例实例
     * @return PlaywrightManager实例
     */
    public static PlaywrightManager getInstance() {
        if (instance == null) {
            synchronized (PlaywrightManager.class) {
                if (instance == null) {
                    instance = new PlaywrightManager();
                }
            }
        }
        return instance;
    }
    
    /**
     * 获取Playwright实例
     * @return Playwright实例
     */
    public Playwright getPlaywright() {
        if (playwright == null) {
            throw new RuntimeException("Playwright实例未初始化或已被销毁");
        }
        return playwright;
    }
    
    /**
     * 关闭Playwright实例并释放资源
     */
    public void close() {
        if (playwright != null) {
            try {
                playwright.close();
            } catch (Exception e) {
                log.error("关闭Playwright实例时出错", e);
            } finally {
                playwright = null;
                instance = null;
            }
        }
    }

}