package top.imwork.exercise;

import java.io.IOException;
import java.nio.file.Files;
import java.nio.file.Paths;
import java.util.List;
import java.util.Scanner;
import java.util.concurrent.Executors;

//TIP 要<b>运行</b>代码，请按 <shortcut actionId="Run"/> 或
// 点击装订区域中的 <icon src="AllIcons.Actions.Execute"/> 图标。
public class Main {
    static void main() {
        //TIP 当文本光标位于高亮显示的文本处时按 <shortcut actionId="ShowIntentionActions"/>
        // 查看 IntelliJ IDEA 建议如何修正。
        IO.println(String.format("Hello and welcome!"));
        Thread thread = new Thread(()->{
            for (int i = 1; i <= 5; i++) {
                //TIP 按 <shortcut actionId="Debug"/> 开始调试代码。我们已经设置了一个 <icon src="AllIcons.Debugger.Db_set_breakpoint"/> 断点
                // 但您始终可以通过按 <shortcut actionId="ToggleLineBreakpoint"/> 添加更多断点。
                IO.println("i = " + i);
            }
        });
        thread.start();

        Scanner scanner = new Scanner(System.in);

        System.out.println("=== TXT文件章节分割器 ===");
        System.out.println("Java版本: " + System.getProperty("java.version"));
        System.out.println("虚拟线程支持: " + (checkVirtualThreadSupport() ? "是" : "否"));
        System.out.println("结构化并发支持: " + (checkStructuredConcurrencySupport() ? "是" : "否"));

        System.out.println("\n请选择运行模式：");
        System.out.println("1. 使用虚拟线程");
        System.out.println("2. 使用传统线程池");
        System.out.println("3. 使用并行流");
        System.out.println("4. 使用结构化并发（预览功能）");
        System.out.println("5. 生成示例文件并测试所有模式");
        System.out.println("6. 性能对比测试");

        System.out.print("请选择 (1-6): ");
        int choice = scanner.nextInt();
        scanner.nextLine(); // 消耗换行符

        try {
            switch (choice) {
                case 1:
                    runWithVirtualThreads(scanner);
                    break;
                case 2:
                    runWithThreadPool(scanner);
                    break;
                case 3:
                    runWithParallelStream(scanner);
                    break;
                case 4:
                    runWithStructuredConcurrency(scanner);
                    break;
                case 5:
                    generateSampleFileAndTest();
                    break;
                case 6:
                    runPerformanceComparison();
                    break;
                default:
                    System.out.println("无效选择，使用虚拟线程模式");
                    runWithVirtualThreads(scanner);
            }
        } catch (Exception e) {
            System.err.println("程序执行出错: " + e.getMessage());
            e.printStackTrace();
        } finally {
            scanner.close();
        }
    }

    private static boolean checkStructuredConcurrencySupport() {

        return false;
    }

    private static boolean checkVirtualThreadSupport() {
        return false;
    }

    private static void runWithStructuredConcurrency(Scanner scanner) {
    }

    private static void generateSampleFileAndTest() {
    }

    private static void runPerformanceComparison() {
    }

    private static void runWithParallelStream(Scanner scanner) {
    }

    private static void runWithThreadPool(Scanner scanner) {

    }

    private static void runWithVirtualThreads(Scanner scanner) {
    }

}
