java/project/view/ConsoleView.java

package view;

import java.util.List;

public class ConsoleView {

    public void showWelcome() {
        System.out.println("==================================");
        System.out.println("  Data Crawler System");
        System.out.println("==================================");
    }

    public void showMenu() {
        System.out.println("\nPlease select:");
        System.out.println("1 - Crawl Changsha Weather");
        System.out.println("2 - Crawl Earthquake Data");
        System.out.println("3 - Crawl News Rank Top 10");
        System.out.println("4 - Crawl All Data");
        System.out.println("5 - List Crawled Files");
        System.out.println("6 - Generate HTML Visualizations");
        System.out.println("h - Show Help");
        System.out.println("0 - Exit");
        System.out.print("Your choice: ");
    }

    public void showHelp() {
        System.out.println("\n=== Help ===");
        System.out.println("1. Choose 1-4 to crawl data");
        System.out.println("2. Choose 5 to view files");
        System.out.println("3. Choose 6 to generate charts");
        System.out.println("4. Choose 0 to exit");
        System.out.println("============\n");
    }

    public void showMessage(String message) {
        System.out.println(message);
    }

    public void showError(String error) {
        System.err.println("[ERROR] " + error);
    }

    public void showDataList(List files) {
        if (files.isEmpty()) {
            System.out.println("No data files found");
            return;
        }
        System.out.println("\nCrawled Data Files:");
        for (int i = 0; i < files.size(); i++) {
            System.out.println((i + 1) + ". " + files.get(i));
        }
    }

    public void showGoodbye() {
        System.out.println("\nGoodbye!");
    }
}