#include "serviceview_console_impl.h"
#include "service_impl.h"
#include <string>
#include <sstream>
#include <iomanip>
#include <stdexcept>
#include <iostream>
using namespace std;
namespace emis {
ServiceViewConsoleImpl::ServiceViewConsoleImpl ():
	m_service(new ServiceImpl){
} /* 整合业务逻辑模块 */

ServiceViewConsoleImpl::~ServiceViewConsoleImpl(){
	delete m_service;
}

void ServiceViewConsoleImpl::menu()
{
	while (true)
		switch (showMenu()) {
			case 1: addDept();    break;
			case 2: deleteDept(); break;
			case 3: listDept();   break;
			case 4: addEmp();     break;
			case 5: deleteEmp();  break;
			case 6: modifyEmp();  break;
			case 7: listEmp();    break;
			case 8: listAllEmp(); break;
			case 0: return;
			default:cout << "Invalid Choice!!!" << endl;
		}
}

void ServiceViewConsoleImpl::addDept()
{
	string name;
	cout << "请输入部门名称: " << flush; cin >> name;
	Department d(name);
	if (m_service->addDept(d))
		cout << "增加部门成功!" << endl;
	else 
		cout << "增加部门失败!" << endl;
}

void ServiceViewConsoleImpl::deleteDept()
{
	int id;
	cout << "请输入部门ID: " << flush; cin >> id;
	if (m_service->deleteDept(id)) {
		cout << "删除部门成功!" << endl;
	} else {
		cin.clear();
		cin.ignore(1024,'\n');
		cout << "删除部门失败,部门ID无效!" << endl;
	}
}

void ServiceViewConsoleImpl::listDept()
{
	int id; string name; int num;
	const vector<Department>& ds = m_service->listDept();
	vector<Department>::const_iterator it = ds.begin();
	cout<<left<<setw(12)<<"部门ID"<<setw(16)<<"部门名称 "<<"员工人数"<<endl;
	for (; it!=ds.end(); ++it) {
		ostringstream oss; oss << *it;
		istringstream iss(oss.str());
		iss >> id >> name >> num;
		cout<<left<<setw(12)<<id<<setw(16)<<name<<num<<endl;
	}
}

void ServiceViewConsoleImpl::addEmp()
{
	string name; bool gender; int age; int id;
	cout << "请输入员工姓名: " << flush; cin >> name;
	cout << "请输入员工性别: " << flush; cin >> gender;
	cout << "请输入员工年龄: " << flush; cin >> age;
	cout << "请输入部门ID: "   << flush; cin >> id;
	Employee e(name,gender,age);
	if (m_service->addEmp(e,id)) {
		cout << "增加员工成功!" << endl;
	} else {
		cin.clear();
		cin.ignore(1024,'\n');
		cout << "增加员工失败!" << endl;
	}
}

void ServiceViewConsoleImpl::deleteEmp()
{
	int id;
	cout << "请输入员工ID: " << flush; cin >> id;
	if (m_service->deleteEmp(id)) {
		cout << "删除员工成功!" << endl;
	} else {
		cin.clear();
		cin.ignore(1024,'\n');
		cout << "员工ID无效，删除失败!" << endl;
	}
}

void ServiceViewConsoleImpl::modifyEmp()
{
	int id,age; bool gender; string name;
	cout << "请输入员工ID: "  << flush; cin >> id;
	cout << "请输入员工姓名: "<< flush;cin >> name;
	cout << "请输入员工性别: "<< flush;cin >> gender;
	cout << "请输入员工年龄: "<< flush;cin >> age;
	Employee e(id,name,gender,age);
	if (m_service->modifyEmp(e)) {
		cout << "修改员工信息成功!" << endl;
	} else{
		cin.clear();
		cin.ignore(1024,'\n');
		cout << "修改员工失败!" << endl;
	}
}

void ServiceViewConsoleImpl::listEmp()
{
	int id;
	cout << "请输入部门ID: " << flush; cin >> id;
	try {
		const vector<Employee>& es = m_service->listEmp(id);
		cout<<left<<setw(12)<<"员工ID"<<setw(18)<<"员工姓名"
			<<setw(8)<<"性别"<<"年龄"<<endl;
		vector<Employee>::const_iterator it = es.begin();
		int age; bool gender; string name;
		for (; it!=es.end(); ++it) {
			ostringstream oss; oss << *it;
			istringstream iss(oss.str());
			iss >> id >> name >> gender >> age;
			cout<<setw(12)<<id<<setw(18)<<name<<setw(8)<<gender<<age<<endl;
		}
	} catch (const out_of_range &e){
		cout << e.what() << endl;
	}
}

void ServiceViewConsoleImpl::listAllEmp()
{
	const vector<Department>& ds = m_service->listDept();
	cout<<left<<setw(12)<<"员工ID"<<setw(18)<<"员工姓名"
		<<setw(8)<<"性别"<<"年龄"<<endl;
	int id,age; bool gender; string name;
	for (size_t i=0; i<ds.size(); i++) {
		const vector<Employee>& es = m_service->listEmp(ds[i].getid());
		for (size_t j=0; j<es.size(); ++j) {
			ostringstream oss; oss << es[j];
			istringstream iss(oss.str());
			iss >> id >> name >> gender >> age;
			cout<<setw(12)<<id<<setw(18)<<name<<setw(8)<<gender<<age<<endl;
		}
	}
}

int ServiceViewConsoleImpl::showMenu()
{
	cout << "\n运营管理子系统" << endl;
	cout << "--------------------"<<endl;
	cout << "[1] 增加部门" << endl;
	cout << "[2] 删除部门" << endl;
	cout << "[3] 列出部门" << endl;
	cout << "[4] 增加员工" << endl;
	cout << "[5] 删除员工" << endl;
	cout << "[6] 修该员工信息" << endl;
	cout << "[7] 列出部门员工" << endl;
	cout << "[8] 列出所有员工" << endl;
	cout << "[0] 返回" << endl;
	cout << "请选择: " << flush;
	string c; cin >> c;
	if (c[0]>'8' || c[0]<'0') {
		cin.clear();
		cin.ignore(1024,'\n');
		return -1;
	}
	return c[0]-'0'; 
}
} /* namespace emis */