/* Created by Nguyen Duc Dung on 2019-09-03.
 * =========================================================================================
 * Name        : processData.cpp
 * Author      : Duc Dung Nguyen
 * Email       : [email protected]
 * Copyright   : Faculty of Computer Science and Engineering - HCMUT
 * Description : Implementation of main features in the assignment
 * Course      : Data Structure and Algorithms - Fall 2019
 * =========================================================================================
 */

#include "processData.h"
#include "dbLib.h"
/* TODO: You can implement methods, functions that support your data structures here.
 * */
int* temp;
using namespace std;

template <typename T>
void PrintReqOutput(const char* pRequest, T* pOutput, int N) {
    cout << pRequest << ":";
    if (pOutput == nullptr) {
        cout << " error\n";
        return;
    }
    for (int i = 0; i < N; ++i) {
        cout << ' ' << *pOutput++;
    }
    cout << '\n';
}

void Initialization() {
    // If you use global variables, please initialize them explicitly in this function.
}

void Finalization() {
    // Release your data before exiting
}

void ProcessRequest(const char* pRequest, void* pData, void*& pOutput, int& N) {
	// TODO: Implement this function for processing a request
	// NOTE: You can add other functions to support this main process.
	//       pData is a pointer to a data structure that manages the dataset
	//       pOutput is a pointer reference. It is set to nullptr and student must allocate data for it in order to save the required output
	//       N is the size of output, must be a non-negative number
	int* temp = new int(0);
	TDataset* ptr = static_cast<TDataset*>(pData);
	N = 1;
	string req = pRequest;
	if (req == "CL")
		*temp = GetNumOfLine(ptr->LLine);
	else if (req[0] == 'C' && req[1] == 'L')
	{
		string str_temp = req.substr(3);
		*temp = countLinesInCity(ptr, str_temp);
	}
	else if (req[0] == 'L' && req[1] == 'S' && req[2] == 'C')
	{
		string str_temp = req.substr(4);
		temp = listStationInCity(ptr, str_temp);
	}
	else if (req[0] == 'L' && req[1] == 'L' && req[2] == 'C')
	{
		string str_temp = req.substr(4);
		temp = listLinesInCity(ptr, str_temp);
	}
	else if (req[0] == 'L' && req[1] == 'S' && req[2] == 'L')
	{
		string str_temp = req.substr(4);
		temp = listStaionLines(ptr, str_temp);
	}
	else if (req[0] == 'F' && req[1] == 'C')
	{
		string str_temp = req.substr(3);
		*temp = findIDCity(ptr, str_temp);
	}
	else if (req[0] == 'F' && req[1] == 'S')
	{
		string str_temp = req.substr(3);
		*temp = findStationID(ptr, str_temp);
	}
	else if (req[0] == 'S' && req[0] == 'L' && req[0] == 'P')
	{
		int i = 0, t = 0;
		int arr[2];
		string str_temp;
		while (i < req.length())
		{
			if (req[i] == ' ')
			{
				i++;
				while (req[i] != ' ')
				{
					str_temp += req[i];
					i++;
				}
				arr[t++] = stoi(str_temp);
				str_temp = "";
			}
			i++;
		}
		*temp = findStationFromTrack(ptr, arr[0], arr[1]);
	}
	else if (req[0] == 'I' && req[1] == 'S' && req[2] != 'L')
	{
		string str_temp = req.substr(3);
		*temp = insertNewStation(str_temp, ptr);
	}
	else if (req[0] == 'R' && req[1] == 'S' && req[2] != 'L')
	{
		string str_temp = req.substr(3);
		int input = stoi(str_temp);
		*temp = removeStation(ptr, input);
	}
	else if (req[0] == 'U' && req[0] == 'S')
	{
		int a;
		string str_temp;
		int i = 0;
		while (req[i] != ' ')
		{
			i++;
		}
		i++;
		while (req[i] != ' ')
		{
			str_temp = str_temp + req[i];
			i++;
		}
		a = stoi(str_temp);
		i++;
		str_temp = "";
		while (i < req.length())
		{
			str_temp = str_temp + req[i];
			i++;
		}
		*temp = updateStation(a, str_temp, ptr);
	}
	else if (req[0] == 'I' && req[1] == 'S' && req[2] == 'L')
	{
		int a, b, c;
		string str_temp;
		int i = 0;
		while (req[i] != ' ')
			i++;
		i++;
		while (req[i] != ' ')
		{
			str_temp += req[i];
			i++;
		}
		a = stoi(str_temp);
		i++;
		str_temp = "";
		while (req[i] != ' ')
		{
			str_temp += req[i];
			i++;
		}
		b = stoi(str_temp);
		i++;
		str_temp = "";
		while (req[i] != ' ')
		{
			str_temp += req[i];
			i++;
		}
		c = stoi(str_temp);
		*temp = insertStationLines(ptr, a, b, c);
	}
	else if (req[0] == 'R' && req[1] == 'S' && req[2] == 'L')
	{
		int a, b;
		string str_temp;
		int i = 0;
		while (req[i] != ' ')
			i++;
		i++;
		while (req[i] != ' ')
		{
			str_temp = str_temp + req[i];
			i++;
		}
		a = stoi(str_temp);
		i++;
		str_temp = req.substr(i);
		b = stoi(str_temp);
		*temp = removeStationLines(ptr, a, b);
	}
	pOutput = temp;
}