한별복권

 

import java.text.DecimalFormat;
import java.text.SimpleDateFormat;
import java.time.LocalDate;
import java.util.Date;
import java.util.HashSet;
import java.util.Iterator;
import java.util.LinkedList;
import java.util.List;
import java.util.Set;

public class Blog {

	public static void main(String[] args) {
		new Byultto(1053);
	}
}

class Byultto {
	int count;
	Date date;
	LocalDate ld;
	SimpleDateFormat sdf;

	Byultto(int count) {
		date = new Date();
		ld = LocalDate.now();
		this.count = count;
		main();
	}

	void main() {
		System.out.println(makeTitle());
		System.out.println(
				makeBody(
						makeRandom(true, 10), 
						makeRandom(false, -1), 
						makeRandom(), 
						makeRandom(true, 9),
						makeRandom(1000, 99999), 
						makeLotto()
						)
				);
	}

	String makeBody(
			String random10, 
			String randomLong, 
			String randomCaps, 
			String random9, 
			String randomFormat,
			List<Set<Integer>> lottos
			) {
		StringBuilder sb = new StringBuilder();
		sb.append("                  제 " + count + " 회\r\n");
		sdf = new SimpleDateFormat("yyyy/MM/dd (E) HH:mm:ss\r\n");
		sb.append("발 행 일 : " + sdf.format(date));
		sb.append("추 첨 일 : " + sdf.format(date).substring(0, 15) + "TR: " + random10 + "\r\n");
		LocalDate limit = ld.plusYears(1).plusDays(1);
		String temp = String.valueOf(limit).replace('-', '/');
		sb.append("지급기한 : " + temp + "\r\n");
		sb.append(randomLong + "\r\n");
		sb.append(randomCaps + "      " + random9 + "/" + randomFormat + "\r\n");
		sb.append("-----------------------------------------" + "\r\n");
		Iterator<Integer> it;
		for (int i = 0; i < 5; i++) {
			sb.append((char) (65 + i) + "    수  동    ");
			it = lottos.get(i).iterator();
			while (it.hasNext()) {
				String s = String.valueOf(it.next());
				sb.append(s);
				if (s.length() == 1) {
					sb.append("    ");
				} else {
					sb.append("   ");
				}
			}
			sb.append("\r\n");
		}
		sb.append("-----------------------------------------" + "\r\n");
		sb.append("금액			          ₩5, 000\r\n");
		sb.append(randomLong + "\r\n");
		return sb.toString();
	}

	List<Set<Integer>> makeLotto() {
		List<Set<Integer>> list = new LinkedList<>();

		for (int i = 0; i < 5; i++) {
			Set<Integer> set = new HashSet<>();
			while (set.size() < 6) {
				set.add((int) (Math.random() * 45) + 1);
			}
			list.add(set);
		}
		return list;
	}

	String makeRandom(boolean type, int digit) {
		// true : random 10 digit
		// false : 7 random 5 digit
		if (type) {
			return String.valueOf(Math.random()).replace(".", "").substring(1, digit + 1);
		} else {
			StringBuilder sb = new StringBuilder();
			for (int i = 0; i < 7; i++) {
				sb.append(String.valueOf(Math.random()).replace(".", "").substring(1, 6));
				if (i < 6) {
					sb.append(" ");
				}
			}
			return sb.toString();
		}
	}

	String makeRandom() {
		// captial letters + number
		String characters = "ABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789";
		int length = 16;
		char[] text = new char[length];
		for (int i = 0; i < length; i++) {
			text[i] = characters.charAt((int) (Math.random() * 36));
		}
		return new String(text);
	}

	String makeRandom(int min, int max) {
		// 000055555
		int rd = (int) (Math.random() * (max - min) + 1) + min;
		DecimalFormat df = new DecimalFormat("000000000");
		return df.format(rd);
	}

	String makeBottom() {
		StringBuilder sb = new StringBuilder();
		return sb.toString();
	}

	String makeTitle() {
		StringBuilder sb = new StringBuilder();
		sb.append("\r\n                  한별복권\r\n");
		sb.append("                Byultto6/45\r\n");
		return sb.toString();
	}
}