#include"contact.h"
//函数的实现
void Initcontact(struct contact* ps)
{
	memset(ps->data, 0, sizeof(ps->data));
	ps->count = 0;
}
void addcontact(struct contact* ps)
{
	if (ps->count == max)
	{
		printf("通讯录已满，无法增加\n");
	}
	else
	{
		printf("请输入名字：");
		scanf("%s", ps->data[ps->count].name);
		printf("请输入性别：");
		scanf("%s", ps->data[ps->count].sex); 
		printf("请输入年龄：");
		scanf("%d",&( ps->data[ps->count].age));
		printf("请输入电话：");
		scanf("%s", ps->data[ps->count].tele);
		printf("请输入地址：");
		scanf("%s", ps->data[ps->count].addr);
		ps->count++;
		printf("添加成功\n");

	}
}
void showcontact(const struct contact* ps)
{
	if (ps->count == 0)
	{
		printf("通讯录为空\n");
	}
	else
	{
		int i = 0;
		printf("%-20s\t%-5s\t%-5s\t%-10s\t%-10s\n", "名字", "性别", "年龄", "电话", "地址");
		for (i = 0; i < ps->count; i++)
		{
			printf("%-20s\t%-5s\t%-5d\t%-10s\t%-10s\n",
				ps->data[i].name,
				ps->data[i].sex,
				ps->data[i].age,
				ps->data[i].tele,
				ps->data[i].addr);

		}
	}
}
static int Findbyname(const struct contact* ps, char name [max_name])
{
	int i = 0;
	for (i = 0; i < ps->count; i++)
	{
		if (0 == strcmp(ps->data[i].name, name))
		{
			return i;
		}
	}
	return -1;
}
void delcontact(struct contact* ps)
{
	char name[max_name];
	printf("请选择要删除的人：");
	scanf("%s", name);
	//查找要删除的人在什么位置
	//找到返回下标
	//找不到返回-1；
	int pos = Findbyname(ps, name);//在ps指向的结构体中查找name,返回下标；
	
	if (-1==pos)
	{
		printf("要删除的人不存在\n");
	}
	//2.删除
	else
	{
		//将查找到的人信息，通过后一个信息进行覆盖，达到删除的信息丢失
		int j = 0;
		for (j = pos; j < ps->count-1; j++)
		{
			ps->data[j] = ps->data[j + 1];
		}
		ps->count--;
		printf("删除成功\n");
	}
}
void searchcontact(const struct contact* ps)
{
	char name[max_name];
	printf("请输入需要查找的人名字：");
	scanf("%s", name);
	int pos = Findbyname(ps, name);//在ps指向的结构体中查找name,返回下标；
	if (-1 == pos)
	{
		printf("要查找的人不存在\n");
	}
	else
	{
		printf("%-20s\t%-5s\t%-5s\t%-10s\t%-10s\n", "名字", "性别", "年龄", "电话", "地址");
		printf("%-20s\t%-5s\t%-5d\t%-10s\t%-10s\n",
				ps->data[pos].name,
				ps->data[pos].sex,
				ps->data[pos].age,
				ps->data[pos].tele,
				ps->data[pos].addr);
	}

}
void modeifycontact(struct contact* ps)
{
	char name[max_name];
	printf("请输入需要修改的人名字：");
	scanf("%s", name);
	int pos = Findbyname(ps, name);
	if (-1 == pos)
	{
		printf("要修改的人信息不存在\n");
	}
	else
	{
		printf("请输入名字：");
		scanf("%s", ps->data[pos].name);
		printf("请输入性别：");
		scanf("%s", ps->data[pos].sex);
		printf("请输入年龄：");
		scanf("%d", &(ps->data[pos].age));
		printf("请输入电话：");
		scanf("%s", ps->data[pos].tele);
		printf("请输入地址：");
		scanf("%s", ps->data[pos].addr);
		printf("修改成功\n");
	}
}