using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;

namespace DepartmentStaffDatabase
{
    public abstract class Abstracts
    {
        public abstract void CreateDepartment(Department department);
        public abstract void UpdateDepartment(Department department);
        public abstract void DeleteDepartment(int id);
        public abstract Department GetDepartment(int id);
        public abstract Department GetDepartment(string departmentName);
        public abstract List<Department> GetDepartments();
        public abstract void DeleteDepartments();

        public abstract void CreatePosition(Position position);
        public abstract void UpdatePosition(Position position);
        public abstract void DeletePosition(int id);
        public abstract Position GetPosition(int id);
        public abstract Position GetPosition(string positionName);
        public abstract List<Position> GetPositions();
        public abstract void Deletepositions();

        public abstract void CreateEmployee(Employee employee);
        public abstract void UpdateEmployee(Employee employee);
        public abstract void DeleteEmployee(int id);
        public abstract Employee GetEmployee(int id);
        public abstract Employee GetEmployee(string employeeName);
        public abstract List<Employee> GetEmployees();
        public abstract void DeleteEmployees();

        public abstract void CreateContract(Contract contract);
        public abstract void UpdateContract(Contract contract);
        public abstract void DeleteContract(int id);
        public abstract Contract GetContract(int id);
        public abstract List<Contract> GetContracts();
        public abstract void DeleteContracts();

        public abstract void CreateCourse(Course course);
        public abstract void UpdateCourse(Course course);
        public abstract void DeleteCourse(int id);
        public abstract Course GetCourse(int id);
        public abstract List<Course> GetCourses();
        public abstract void DeleteCourses();


        //public abstract void CreateEmployee_Course(Employee_Course employee_course);
        //public abstract void UpdateEmployee_Course(Employee_Course employee_course);
        //public abstract void DeleteEmployee_Course(Employee_Course employee_course);
        //public abstract Employee_Course GetEmployee_Course(int id);
        //public abstract List<Employee_Course> GetEmployee_Courses();
        //public abstract void DeleteEmployee_Courses();
    }
}