//
#include "stdafx.h"
#include "Actions.h"
#include <iostream>

#include <sstream>


using namespace std;



/**
 * Allows registering a new student by entering all necessary information.
 */
int Actions::CreateStudent(LMS *sys, IO *io) {
    string studentId = io->readStudentID();
    string name = io->read("姓名");
    int maths = io->readInt("数学成绩", 0, 100);
	int computer = io->readInt("计算机成绩", 0, 100);
	int english = io->readInt("英语成绩", 0, 100);
 
    sys->AddStudent(studentId, name, maths, computer, english);
    cout << "学生注册成功" << endl;
	return 0;
};

/**
 * Allows querying for a single student and delete it.
 */
int Actions::RemoveStudent(LMS *sys, IO *io) {
	string studentId = io->readStudentID();
    Student* student = new Student();
	student->SetStudentId(studentId);
    sys->DeleteStudent(student);
	delete student;
    cout << "成功删除学生." << endl;
	return 0;
};

/**
 * Shows detailed information about one or more students.
 */
int Actions::StudentsInfo(LMS *sys, IO *io) {

	Student * student = io->readStudents(sys);
	sys->FilterStudent(student);

	return 0;
};


/**
 * ALlows querying for a single student and update its properties.
 */
int Actions::UpdateStudent(LMS *sys, IO *io) {


    cout << "请输入新数据:" << endl;

	CreateStudent(sys, io);
	return 0;
};

/**
 * Allows exporting all student records to the specified file path.
 */
int Actions::ExportStudents(LMS *sys, IO *io) {

	cout << "所有学生信息都会存档到本地目录." << endl;
    cout << "如果本地有同名文件，存档会覆盖该文件" << endl;
    cout << "文件路径可以设置为绝对路径或相对路径." << endl;

    string filePath = io->read("文件名称");
	filePath += ".txt";

	sys->Save(( char *)filePath.c_str());
 
    cout << "Export done." << endl;

	return 0;
};


int Actions::ShowAllStudents(LMS *sys, IO *io) {
	sys->Print();
	return 0;
}


int Actions::RemoveAll(LMS *sys, IO *io) {
	sys->Clear();
	return 0;
}


int Actions::Exit(LMS *sys, IO *io) {
	system("exit");
	return 0;
}