#include<iostream>
#include <string>  //string头文件
#define MAX 1000 //最大人数
using namespace std;
//联系人结构体
struct Person
{
    string m_Name; //姓名
    int m_Sex; //性别：1男 2女
    int m_Age; //年龄
    string m_Phone; //电话
    string m_Addr; //住址
};

//通讯录结构体
struct Addressbooks
{
    struct Person personArray[MAX]; //通讯录中保存的联系人数组
    int m_Size; //通讯录中人员个数
};

//菜单界面
void showMenu()
{
    cout << "***************************" << endl;
    cout << "*****  1、添加联系人  *****" << endl;
    cout << "*****  2、显示联系人  *****" << endl;
    cout << "*****  3、删除联系人  *****" << endl;
    cout << "*****  4、查找联系人  *****" << endl;
    cout << "*****  5、修改联系人  *****" << endl;
    cout << "*****  6、清空联系人  *****" << endl;
    cout << "*****  0、退出通讯录  *****" << endl;
    cout << "***************************" << endl;
}
//1、添加联系人信息
void addPerson(Addressbooks *abs)
{
    //判断电话本是否满了
    if (abs->m_Size == MAX)
    {
        cout << "通讯录已满，无法添加" << endl;
        return;
    }
    else
    {
        //姓名
        string name;
        cout << "请输入姓名：" << endl;
        cin >> name;
        abs->personArray[abs->m_Size].m_Name = name;

        cout << "请输入性别：" << endl;
        cout << "1 -- 男" << endl;
        cout << "2 -- 女" << endl;

        //性别
        int sex = 0;
        while (true)
        {
            cin >> sex;
            if (sex == 1 || sex == 2)
            {
                abs->personArray[abs->m_Size].m_Sex = sex;
                break;
            }
            cout << "输入有误，请重新输入";
        }

        //年龄
        cout << "请输入年龄：" << endl;
        int age = 0;
        cin >> age;
        abs->personArray[abs->m_Size].m_Age = age;

        //联系电话
        cout << "请输入联系电话：" << endl;
        string phone = "";
        cin >> phone;
        abs->personArray[abs->m_Size].m_Phone = phone;

        //家庭住址
        cout << "请输入家庭住址：" << endl;
        string address;
        cin >> address;
        abs->personArray[abs->m_Size].m_Addr = address;

        //更新通讯录人数
        abs->m_Size++;

        cout << "添加成功" << endl;
        system("pause");
        system("cls");
    }
}
//2、显示所有联系人信息
void showPerson(Addressbooks * abs)
{
    if (abs->m_Size == 0)
    {
        cout << "当前记录为空" << endl;
    }
    else
    {
        for (int i = 0; i < abs->m_Size; i++)
        {
            cout << "姓名：" << abs->personArray[i].m_Name << "\t";
            cout << "性别：" << (abs->personArray[i].m_Sex == 1 ? "男" : "女") << "\t";
            cout << "年龄：" << abs->personArray[i].m_Age << "\t";
            cout << "电话：" << abs->personArray[i].m_Phone << "\t";
            cout << "住址：" << abs->personArray[i].m_Addr << endl;
        }
    }
    
    system("pause");
    system("cls");

}
//判断是否存在查询的人员，存在返回在数组中索引位置，不存在返回-1
int isExist(Addressbooks * abs, string name)
{
    for (int i = 0; i < abs->m_Size; i++)
    {
        if (abs->personArray[i].m_Name == name)
        {
            return i;
        }
    }
    return -1;
}
//3、删除指定联系人信息
void deletePerson(Addressbooks * abs)
{
    cout << "请输入您要删除的联系人" << endl;
    string name;
    cin >> name;

    int ret = isExist(abs, name);
    if (ret != -1)
    {
        for (int i = ret; i < abs->m_Size; i++)
        {
            abs->personArray[i] = abs->personArray[i + 1];
        }
         abs->m_Size--;
        cout << "删除成功" << endl;
    }
    else
    {
        cout << "查无此人" << endl;
    }

    system("pause");
    system("cls");
}
//4、查找指定联系人信息
void findPerson(Addressbooks * abs)
{
    cout << "请输入您要查找的联系人" << endl;
    string name;
    cin >> name;

    int ret = isExist(abs, name);
    if (ret != -1)
    {
        cout << "姓名：" << abs->personArray[ret].m_Name << "\t";
        cout << "性别：" << abs->personArray[ret].m_Sex << "\t";
        cout << "年龄：" << abs->personArray[ret].m_Age << "\t";
        cout << "电话：" << abs->personArray[ret].m_Phone << "\t";
        cout << "住址：" << abs->personArray[ret].m_Addr << endl;
    }
    else
    {
        cout << "查无此人" << endl;
    }

    system("pause");
    system("cls");

}
//5、修改指定联系人信息
void modifyPerson(Addressbooks * abs)
{
    cout << "请输入您要修改的联系人" << endl;
    string name;
    cin >> name;

    int ret = isExist(abs, name);
    if (ret != -1)
    {
        //姓名
        string name;
        cout << "请输入姓名：" << endl;
        cin >> name;
        abs->personArray[ret].m_Name = name;

        cout << "请输入性别：" << endl;
        cout << "1 -- 男" << endl;
        cout << "2 -- 女" << endl;

        //性别
        int sex = 0;
        while (true)
        {
            cin >> sex;
            if (sex == 1 || sex == 2)
            {
                abs->personArray[ret].m_Sex = sex;
                break;
            }
            cout << "输入有误，请重新输入";
        }

        //年龄
        cout << "请输入年龄：" << endl;
        int age = 0;
        cin >> age;
        abs->personArray[ret].m_Age = age;

        //联系电话
        cout << "请输入联系电话：" << endl;
        string phone = "";
        cin >> phone;
        abs->personArray[ret].m_Phone = phone;

        //家庭住址
        cout << "请输入家庭住址：" << endl;
        string address;
        cin >> address;
        abs->personArray[ret].m_Addr = address;

        cout << "修改成功" << endl;
    }
    else
    {
        cout << "查无此人" << endl;
    }

    system("pause");
    system("cls");

}
//6、清空所有联系人
void cleanPerson(Addressbooks * abs)
{
    abs->m_Size = 0;
    cout << "通讯录已清空" << endl;
    system("pause");
    system("cls");
}
int main() {
    //创建通讯录
    Addressbooks abs;
    //初始化通讯录中人数
    abs.m_Size = 0;
    int select = 0;

    while (true)
    {
        showMenu();

        cin >> select;
        
        switch (select)
        {
        case 1:  //添加联系人
            addPerson(&abs);
            break;
        case 2:  //显示联系人
            showPerson(&abs);
            break;
        case 3:  //删除联系人
            deletePerson(&abs);
            break;
        case 4:  //查找联系人
            findPerson(&abs);
            break;
        case 5:  //修改联系人
            modifyPerson(&abs);
            break;
        case 6:  //清空联系人
            cleanPerson(&abs);
            break;
        case 0:  //退出通讯录
            cout << "欢迎下次使用" << endl;
            system("pause");
            return 0;
            break;
        default:
            break;
        }
    }

    system("pause");

    return 0;
}