Project/project/AnimalCrawler/src/main/java/com/animal/command/VisualizeCommand.java

package com.animal.command;

import com.animal.model.Animal;
import com.animal.visualization.AnimalVisualization;
import com.animal.exception.CrawlerException;

import java.io.IOException;
import java.util.List;

/**
 * 可视化命令 - 生成可视化图表
 */
public class VisualizeCommand implements Command {
    private List<Animal> animals;
    
    public VisualizeCommand(List<Animal> animals) {
        this.animals = animals;
    }
    
    @Override
    public void execute() throws CrawlerException {
        if (animals == null || animals.isEmpty()) {
            throw new CrawlerException("没有可可视化的数据，请先执行爬取命令");
        }
        
        AnimalVisualization visualization = new AnimalVisualization();
        
        try {
            System.out.println("正在生成可视化图表...");
            visualization.createStatusDistributionChart(animals);
            visualization.createPopulationChart(animals);
            System.out.println("可视化图表生成完成！");
        } catch (IOException e) {
            throw new CrawlerException("生成图表失败: " + e.getMessage(), e);
        }
    }
    
    @Override
    public String getName() {
        return "visualize";
    }
    
    @Override
    public String getDescription() {
        return "生成可视化图表（保护状态饼图和种群数量柱状图）";
    }
}