package test_01;

import java.util.Scanner;
import java.util.SplittableRandom;

public class test_03_10_2 {
   //商品录入系统
        static  String[] names={"iphone15 promax","华为mate60 pro","小米14","夫妻肺片","水煮肉片","蛋炒饭","交智商税","其实啥也没有"};
        static  double[] price={8999,12500,4568,12000,45612,564,48,250};
        static  int[] numbers={52,65,45,12,80,56,'x','x'};

    public static void main(String[] args) {
        outer:
        while (true)
        {
            int c=menu();
            switch (c){
                case 1:
                    f1();
                    break ;
                case 2:
                    f2();
                    break ;
                case 3:
                    f3();
                    break;
                case 4:
                    f4();
                    break;
                case 5:
                    break outer;
            }
        }
    }
    private static int menu()
    {
        System.out.println("--------------------");
        System.out.println("1.商品列表");
        System.out.println("2.商品录入");
        System.out.println("3.商品查询");
        System.out.println("4.统计信息");
        System.out.println("5.退出");
        System.out.println("--------------------");
        System.out.println("选择：>");
        return new Scanner(System.in).nextInt();
    }
    private static void f1()
    {
        for(int i=0;i<names.length;i++)
        {
            String n=names[i];
            double p=price[i];
            int b=numbers[i];
            System.out.println((i+1)+".名称："+n+",价格："+p+",数量:"+b);
        }
    }



























































































































































































    private static void f2()
    {
        for(int i=0;i< names.length;i++)
        {
            System.out.println("录入第"+(i+1)+"件商品");
            System.out.println("名称：");
            String n=new Scanner(System.in).nextLine();
            System.out.println("价格：");
            double p=new Scanner(System.in).nextDouble();
            System.out.println("数量：");
            int b=new Scanner(System.in).nextInt();
            names[i]=n;
            price[i]=b;
            numbers[i]=b;
        }
        f1();
    }
    private static void f3()
    {
        System.out.println("请输入查询的商品名：");
        String n=new Scanner(System.in).nextLine();
        for(int i=0;i< names.length;i++)
        {
            if(n.equals(names[i]))
            {
                String name=names[i];
                double p=price[i];
                int b=numbers[i];
                System.out.println((i+1)+".名称："+name+"，价格："+p+"，数量:"+b);
                return;

            }
        }
        System.out.println("找不到商品！");
    }
    private static void f4()
    {
        double spzj=0;
        double djzj=0;
        double zgdj=0;
        double zgzj=0;
        for(int i=0;i< names.length;i++)
        {
            spzj=price[i]+ numbers[i];
            djzj=price[i];

            if(price[i]>zgdj)
            {
                zgdj=price[i];
            }
            if(price[i]* numbers[i]>zgzj)
            {
                zgzj=price[i]* numbers[i];
            }
        }
     System.out.println("商品总价："+spzj);
        System.out.println("单价均价："+(djzj/ names.length));
        System.out.println("最高单价："+zgdj);
        System.out.println("最高总价："+zgzj);
    }
}