# EmployeeManagementSystem

#define _CRT_SECURE_NO_WARNINGS 1
#include<iostream>
#include<Employee.h>

using namespace std;

void InitEmployeeSys(SNodeList& S)
{
	//初始化函数，要求创建一个带有要求创建一个有头节点的链表，
	S = new StaffNode; // 分配头节点内存
	if (S == nullptr)
	{
		cout << "内存分配失败！" << endl;
		exit(ERROR); // 如果内存分配失败，则退出程序
	}
	S->next = nullptr; // 头节点的Next指针初始化为nullptr
}

void CreateEmployeeSys(SNodeList& S)
{
	//输入一个职工记录
	StaffNode* new_node = new StaffNode;
	if (new_node == nullptr) {
		cout << "内存分配失败！" << endl;
		exit(ERROR); // 如果内存分配失败，则退出程序
	}

	// 输入职工信息
	cout << "请输入职工姓名：";
	cin >> new_node->Name;
	cout << "请输入职工工号：";
	cin >> new_node->employeeNo;
	cout << "请输入职工部门：";
	cin >> new_node->departmentNum;
	cout << "请输入职工工资：";
	cin >> new_node->wages;

	// 将新节点添加到链表头部
	new_node->next = S->next;
	S->next = new_node;
}

void PrintEmployee(SNodeList& S)
{
	//输出所有职工信息
	StaffNode* current = S->next; // 从头节点的下一个节点开始遍历
	while (current != nullptr)
	{
		cout << "员工编号: " << current->employeeNo << endl;
		cout << "姓名: " << current->Name << endl;
		cout << "部门编号: " << current->departmentNum << endl;
		cout << "工资: " << current->wages << endl;
		cout << endl;
		current = current->next; // 移动到下一个节点
	}
}

Status StatisticsEmployee(SNodeList& S)
{
	//统计人数，将结果返回
	if (S == nullptr) {
		return 0; // 如果链表为空，返回0
	}

	int count = 0;
	StaffNode* current = S->next; // 从头节点的下一个节点开始计数
	while (current != nullptr) {
		count++;
		current = current->next; // 移动到下一个节点
	}

	return count; // 返回职工总数
}

void SortEmpolyee(SNodeList& S)
{
	//按照职工号、部门号和工资对所有职工排序
	//冒泡排序
	int judge = 0, num=StatisticsEmployee(S);
	printf("请选择排序方式：职工号( 1 ) || 部门号( 2 ) || 工资( 3 )\n");
	while (getchar() != '\n')
		;
	scanf("%d", &judge);
	if (judge == 1)
	{
		for (int i = 0; i < num-1; i++)
		{
			SNodeList p = S;
			for (int j = 0; j < num-1; j++)
			{
				if ((p->next->employeeNo)>(p->next->next->employeeNo))
				{
					SNodeList q = p->next;
					p->next = q->next;
					q->next = p->next->next;
					p->next->next = q;
				}
				p = p->next;
			}
		}
	}
	if (judge == 2)
	{
		for (int i = 0; i < num - 1; i++)
		{
			SNodeList p = S;
			for (int j = 0; j < num - 1; j++)
			{
				if ((p->next->departmentNum) > (p->next->next->departmentNum))
				{
					SNodeList q = p->next;
					p->next = q->next;
					q->next = p->next->next;
					p->next->next = q;
				}
				p = p->next;
			}
		}
	}
	if (judge == 3)
	{
		for (int i = 0; i < num - 1; i++)
		{
			SNodeList p = S;
			for (int j = 0; j < num - 1; j++)
			{
				if ((p->next->wages) > (p->next->next->wages))
				{
					SNodeList q = p->next;
					p->next = q->next;
					q->next = p->next->next;
					p->next->next = q;
				}
				p = p->next;
			}
		}
	}
}

void DeleteEmployee(SNodeList& S, int employeeNum)
{
	SNodeList current = S;
	while (current->next != nullptr)
	{
		if (current->next->employeeNo == employeeNum)
		{
			SNodeList temp = current->next;
			current->next = current->next->next;
			delete temp;
			return;
		}
		current = current->next;
	}

	//按职工号删除
}

void SearchEmplyee(SNodeList& S, int employeeNum)
{
	//按职工号查找
	SNodeList p = NULL;
	p = S->next;
	int count = 1;
	while (p && p->employeeNo != employeeNum)
	{
		p = p->next;
		count++;
	}
	if (p)
	{
		printf("所找职工在第%d个位置\n", count);
		return;
	}
	else
	{
		printf("未找到该职员\n");
		return;
	}
}