#include"Student.h"
#include"Manager.h"
#pragma warning(disable:4996)
using namespace std;
extern Manager mainManager;
Student::Student(int year, int selectionNo, int classNo, char name[]) :year(year), selectionNo(selectionNo), classNo(classNo), serialNo(serialNo) {
	strcpy_s(this->name, name);
	studentNo = infoToNo(year, selectionNo, classNo);
	serialNo = studentNo % 100;
}
Student::Student(long long int studentNo) {
	this->studentNo = studentNo;
	strcpy(this->name, "查无此人");
	year = 0;
	selectionNo = 0;
	classNo = 0;
	serialNo = 0;
}
Student::Student(ifstream& csv, int yearColumn, int clsColumn, int slcColumn,int nameColumn) {
	string line, tmp;
	vector<string> tmpvector;
	if (!getline(csv, line)) {
		studentNo = -1;
		return;
	}
	stringstream linestream(line);
	while (getline(linestream, tmp, ',')) {
		tmpvector.push_back(tmp);
	};
	try {
		year = stoi(tmpvector.at(yearColumn - 1));
	}
	catch (const exception& e) {
		year = 0;
	}
	try {
		classNo = stoi(tmpvector.at(clsColumn - 1));
	}
	catch (const exception& e) {
		classNo = 0;
	}
	try {
		selectionNo = stoi(tmpvector.at(slcColumn - 1));
	}
	catch (const exception& e) {
		selectionNo = 0;
	}
	strcpy(this->name, tmpvector.at(nameColumn - 1).c_str());
	if (year != 0 && classNo != 0 && selectionNo != 0) {
		studentNo = infoToNo(year, selectionNo, classNo);
		serialNo = studentNo % 100;
	}
	else {
		studentNo = 0;
		serialNo = 0;
	}
}
void Student::dspHeader() {
	cout << setw(10) << "姓名" << setw(12) << "学号" << setw(10) << "入学年份" << setw(5) << "班级" << setw(5) << "选科";
}
void Student::dsp() const {
	cout << setw(10) << name << setw(12) << studentNo << setw(10) << year << setw(5) << classNo << setw(5) << selectionNo;
}
void Student::toCsvHeader(ofstream& csv) {
	csv<< "姓名,"<< "学号,"<< "入学年份,"<< "班级," << "选科,";
}
void Student::toCsv (ofstream& csv) const {
	csv << name << ',' << studentNo << ',' << year << ',' << classNo << ',' << selectionNo << ',';
}
void Student::setInfo(int year, int selectionNo, int classNo, char name[]) {
	this->year = year;
	this->selectionNo = selectionNo;
	this->classNo = classNo;
	strcpy(this->name, name);
}
bool Student::stuNoEqual(long long int studentNo) const {
	if (this->studentNo == studentNo) {
		return true;
	}
	else {
		return false;
	}
}
bool Student::slcNoEqual(int selectionNo) const {
	if (this->selectionNo == selectionNo) {
		return true;
	}
	else {
		return false;
	}
}
bool Student::clsNoEqual(int classNo) const {
	if (this->classNo == classNo) {
		return true;
	}
	else {
		return false;
	}
}
bool Student::nameEqual(char name[]) const {
	if (strcmp(this->name, name) == 0) {
		return true;
	}
	else {
		return false;
	}
}
bool Student::yearEqual(int year) const {
	if (this->year == year) {
		return true;
	}
	else {
		return false;
	}
}
long long int Student::infoToNo(int year, int selectionNo, int classNo) {
	long long int initNo = year * 1000000 + selectionNo * 10000 + classNo * 100 + 1;
	for (auto i = initNo; i < initNo + 99; i++) {
		if (mainManager.searchByNo(i) == nullptr) {
			return i;
		}
	}
	return -1;
}