package com.fuyuanshen.web;

import java.io.BufferedWriter;
import java.io.FileWriter;
import java.io.IOException;

public class VCardGenerator {
    public static void main(String[] args) {
        // 定义江西上饶的134号段（共22个）
        String[] prefixes = {
                "1340703", "1340793", "1342650", "1342651", "1342663",
                "1342664", "1342665", "1343703", "1343793", "1347901",
                "1347902", "1347903", "1347930", "1347931", "1347932",
                "1347933", "1347934", "1347935", "1347936", "1347937",
                "1347938", "1347939"
        };

        // 创建.vcf文件
        String filename = "shangrao_contacts.vcf";

        try (BufferedWriter writer = new BufferedWriter(new FileWriter(filename))) {
            // 写入文件头
            writer.write("BEGIN:VCARD");
            writer.newLine();
            writer.write("VERSION:3.0");
            writer.newLine();
            writer.newLine();

            // 生成所有联系人
            int count = 0;
            for (String prefix : prefixes) {
                for (int i = 0; i < 100; i++) {
                    String middle = String.format("%02d", i);
                    String phoneNumber = prefix + middle + "51";

                    // 写入单个联系人
                    writer.write("FN:" + phoneNumber);  // 姓名字段使用手机号
                    writer.newLine();
                    writer.write("TEL;TYPE=CELL:" + phoneNumber);  // 电话字段使用手机号
                    writer.newLine();
                    writer.write("END:VCARD");
                    writer.newLine();
                    writer.newLine();

                    count++;
                }
            }

            // 写入文件尾
            writer.write("END:VCARD");

            System.out.println("成功生成 " + count + " 个联系人");
            System.out.println("文件已保存为: " + filename);

        } catch (IOException e) {
            System.err.println("文件写入错误: " + e.getMessage());
        }
    }
}