package com.bd22;

import java.util.Scanner;

/*
 * 歡迎使用“吃貨聯盟訂餐系統
 * 1.我要訂餐
 * 2.檢視餐袋
 * 3.簽收訂單
 * 4.刪除訂單
 * 5.我要點贊
 * 6.退出系統
 */
public class Work1 {
    public static void main(String[] args) {
        Scanner input = new Scanner(System.in);
        int num = -1;
        boolean isExit = false;
        String[]names 
 
= new String[4];
        String[]dishMegs = new String[4];
        int[]times = new int[4];
        String[]addresses = new String[4];
        String[]dishNames = {"紅燒帶魚","魚香肉絲","時令鮮蔬"};
        double[]prices = new double[] {38.0,20.0,10.0};
        int[]praiseNums =new int[3];
        int[]states = new
 
 int[4];//儲存訂單狀態：0已經預定；1已經完成
        double[]sumPrices = new double[4];
        System.out.println("歡迎使用“吃貨聯盟訂餐系統”");
        do {
            System.out.println("1.我要訂餐");
            System.out.println("2.檢視餐袋");
            System.out.println("3.簽收訂單");
            System.out.println("4.刪除訂單");
            System.
 
out.println("5.我要點贊");
            System.out.println("6.退出系統");
            System.out.println("請選擇：");
            int choose = input.nextInt();
            switch(choose){
            case 1:
                System.out.println("我要訂餐");
                Boolean isAdd = false;
                for(int j = 0;j<names.length;j++) {
                    if(names[j]==null) {
                        isAdd = true;
                        System.out.println("請輸入訂餐人姓名：");
                        String name = input.next();
                        System.out.println("序號"+"\t"+"菜名"+"\t"+"單價"+"\t"+"點贊數");
                        for(int i= 0;i<dishNames.length;i++) {
                            String price =prices[i]+"元";
                            String priaiseNum =(praiseNums[i])>0?praiseNums[i]+"贊":"0";
                            System.out.println((i+1)+"\t"+dishNames[i]+"\t"+price+"\t"+priaiseNum);
                        }
                        System.out.println("請選擇您要點的菜品編號：");
                        int chooseDish = input.nextInt();
                        System.out.println("請選擇您需要的份數：");
                        int number = input.nextInt();
                        String dishMeg = dishNames[chooseDish-1]+""+number+"份";
                        double sumPrice = prices[chooseDish-1]*number;
                        double deliCharge = 5;
                        System.out.println("請輸入送餐時間（送餐時間是10點至20點整點送餐）：");
                        int time = input.nextInt();
                        while(time<10||time>20) {
                            System.out.println("您的輸入有誤，請輸入10~20間的整數！");
                            time = input.nextInt();
                        }
                        System.out.println("請輸入送餐地址：");
                        String address = input.next();
                        System.out.println("訂餐成功！");
                        System.out.println("您訂的是："+dishMeg);
                        System.out.println("送餐時間為"+time+"點");
                        System.out.println("餐費為："+sumPrice+"元，送餐費"+deliCharge+"元，總價："+(sumPrice+deliCharge)+"元。");
                        names[j]=name;
                        dishMegs[j]=dishMeg;
                        times[j]=time;
                        addresses[j]=address;
                        sumPrices[j]=sumPrice+deliCharge;
                        break;
                    }
                    if(!isAdd) {
                        System.out.println("對不起，您的餐袋已滿！");
                    }
                    break;
                }
                break;
            case 2:
                System.out.println("檢視餐袋");
                System.out.println("序號\t訂餐人\t餐品資訊\t\t送餐時間\t送餐地址\t\t總金額\t訂單狀態");
                for(int i = 0;i<names.length;i++) {
                    if(names[i]!=null) {
                        String state = (states[i]==0)?"已經預定":"已經完成";
                        String date = times[i]+"點";
                        String sumPrice = sumPrices[i]+"元";
                        System.out.println((i+1)+"\t"+names[i]+"\t"+dishMegs[i]+"\t\t"+date+"\t"+addresses[i]+"\t\t"+sumPrice+"\t"+state);
                    }
                }
                break;
            case 3:
                System.out.println("簽收訂單");
                boolean isSignFind = false;
                System.out.println("請選擇要簽收的訂單序號：");
                int signOrderld = input.nextInt();
                for(int i =0;i<names.length;i++) {
                    if(names[i]!=null&&states[i]==0&&signOrderld==i+1) {
                        states[i]=1;
                        System.out.println("訂單簽收成功！");
                        isSignFind = true;
                    }else if(names[i]!=null&&states[i]==1&&signOrderld==i+1) {
                        System.out.println("您選擇的訂單已簽收，不能再次簽收！");
                        isSignFind = true;
                    }
                }
                if(!isSignFind) {
                    System.out.println("您選擇的訂單不存在！");
                }
                break;
            case 4:
                System.out.println("刪除訂單");
                boolean isDelFind = false;
                System.out.println("請輸入要刪除的訂單序號：");
                int delId = input.nextInt();
                for(int i = 0;i<names.length;i++) {
                    if(names[i]!=null&&states[i]==1&&delId==i+1) {
                        isDelFind = true;
                        for(int j =delId-1;j<names.length-1;j++) {
                            names[j] =names[j+1];
                            dishMegs[j]=dishMegs[j+1];
                            times[j]=times[j+1];
                            addresses[j]=addresses[j+1];
                            states[j]=states[j+1];
                            sumPrices[j]=sumPrices[j+1];
                        }
                        int endIndex = names.length-1;
                        names[endIndex]=null;
                        dishMegs[endIndex]=null;
                        times[endIndex]=0;
                        addresses[endIndex]=null;
                        states[endIndex]=0;
                        sumPrices[endIndex]=0;
                        System.out.println("刪除訂單成功！");
                        break;
                    }else if(names[i]!=null&&states[i]==0&&delId==i+1) {
                        System.out.println("您選擇的訂單未簽收，不能刪除！");
                        isDelFind = true;
                        break;
                    }
                }
                if(!isDelFind) {
                    System.out.println("您要刪除的訂單不存在！");
                }
                break;
            case 5:
                System.out.println("我要點贊");
                System.out.println("序號"+"\t"+"菜名"+"\t"+"單價");
                for(int i = 0;i<dishNames.length;i++) {
                    String price = prices[i]+"元";
                    String priaiseNum =(praiseNums[i])>0?praiseNums[i]+"暫":"";
                    System.out.println("(i+1)+"+"\t"+dishNames[i]+"\t"+price+"\t"+priaiseNum);
                }
                System.out.println("請選擇您要點讚的菜品序號：");
                int priaiseNum = input.nextInt();
                praiseNums[priaiseNum-1]++;
                System.out.println("點贊成功！");
                break;
            case 6:
                isExit = true;
                break;
            default:
                isExit = true;
                System.out.println("您的輸入有誤系統已崩潰，如需使用請重啟系統");
                break;
            }
            if(!isExit) {
                System.out.println("輸入0返回:");
                num = input.nextInt();
            }else {
                break;
            }
        }while(num==0);
    }
}