# include "IMS.h"

# define ceiling 717
# define fullcombo 150

void Menu( )
{
	cout << "*******信息管理系统*******" << endl;
	cout << "********0:退出系统********" << endl;
	cout << "********1:数据录入********" << endl;
	cout << "********2:统计查看********" << endl;
	cout << "********3:数据修改********" << endl;
	cout << "********4:数据删除********" << endl;
	cout << "********5:查找数据********" << endl;
}

void addperson(IMS* ims)
{
	if (ims->count == ceiling)
	{
		cout << "成员已满，无法添加！" << "\n";
		return;
	}
	cout << "请输入编号：";
	cin >> ims->arr[ims->count].number;
	cout << "请输入姓名：";
	cin >> ims->arr[ims->count].name;
	ims->arr[ims->count].score = mycin(0, fullcombo, "请输入一个你觉得核理的分数：");
	ims->count++;
	cout << "已成功添加";
	system("pause");
}

void inspectperson(IMS ims)
{
	if (ims.count == 0)
	{
		system("pause");
		return;
	}

	double highest{ 0 }, lowest{ 100000 }, average{ 0 } ,fangcha{ 0 };
	for (int i = 0; i < ims.count; i++)
	{
		cout << "学生编号：" << ims.arr[i].number << '\n';
		cout << "学生姓名：" << ims.arr[i].name << '\n';
		cout << "学生分数：" << ims.arr[i].score << '\n';
		cout << endl;
		average += ims.arr[i].score;
		highest = highest > ims.arr[i].score ? highest : ims.arr[i].score;
		lowest = lowest < ims.arr[i].score ? lowest : ims.arr[i].score;
	}
	average /= ims.count;
	for (int i = 0; i < ims.count; i++)
	{
		fangcha += (ims.arr[i].score - average) * (ims.arr[i].score - average);
	}
	fangcha /= ims.count;
	cout << "平均分：" << average << "\n";
	cout << "方差：" << fangcha << "\n";
	cout << "最高分：" << highest << "\n";
	cout << "最低分：" << lowest << "\n";
	system("pause");
}

int findperson(IMS ims, int num)
{
	for (int i = 0; i < ceiling; i++)
	{
		if (ims.arr[i].number == num)
		{
			return i;
		}
	}
	return -1;
}

int findperson(IMS ims, string name)
{
	for (int i = 0; i < ceiling; i++)
	{
		if (ims.arr[i].name == name)
		{
			return i;
		}
	}
	return -1;
}

void changeperson(IMS* ims)
{
	int choice{}, target{};
	choice = mycin(0, 1, "0:编号查找\n1:姓名查找\n");
	if (!choice)
	{
		int finder{};
		cout << "请输入要修改的学生编号：";
		cin >> finder;
		target = findperson(*ims, finder);
	}
	else
	{
		string finder{};
		cout << "请输入要修改的学生姓名：";
		cin >> finder;
		target = findperson(*ims, finder);
	}
	if (target == -1)
	{
		cout << "他根本不在表里啊，他到底在哪" << endl;;
		system("pause");
		return;
	}
	cout << "请输入新的编号：";
	cin >> ims->arr[target].number;
	cout << "请输入新的姓名：";
	cin >> ims->arr[target].name;
	ims->arr[target].score = mycin(0, fullcombo, "请输入一个你觉得核理的新的分数：");
	cout << "已成功修改" << "\n";
	system("pause");
}

void deletperson(IMS* ims)
{
	int choice{}, target{};
	choice = mycin(0, 1, "0:编号查找\n1:姓名查找\n");
	if (!choice)
	{
		int finder{};
		cout << "请输入要删除的学生编号：";
		cin >> finder;
		target = findperson(*ims, finder);
	}
	else
	{
		string finder{};
		cout << "请输入要删除的学生姓名：";
		cin >> finder;
		target = findperson(*ims, finder);
	}
	if (target == -1)
	{
		cout << "他根本不在表里啊，他到底在哪" << "\n";
		system("pause");
		return;
	}
	while ( (target + 1) < ceiling )
	{
		ims->arr[target] = ims->arr[target + 1];
		target++;
	}
	ims->count --;
	cout << "已成功删除" << endl;
	system("pause");
}

void showperson(IMS ims)
{
	int choice{}, target{};
	choice = mycin(0, 1, "0:编号查找\n1:姓名查找\n");
	if (!choice)
	{
		int finder{};
		cout << "请输入要查找的学生编号：";
		cin >> finder;
		target = findperson(ims, finder);
	}
	else
	{
		string finder{};
		cout << "请输入要查找的学生姓名：";
		cin >> finder;
		target = findperson(ims, finder);
	}
	if (target == -1)
	{
		cout << "他根本不在表里啊，他到底在哪" << "\n";
		system("pause");
		return;
	}
	else
	{
		cout << "学生编号：" << ims.arr[target].number << '\n';
		cout << "学生姓名：" << ims.arr[target].name << '\n';
		cout << "学生分数：" << ims.arr[target].score << '\n';
		cout << endl;
		system("pause");
	}
}