DataLoader.h

#pragma once
#ifndef DATALOADER_H
#define DATALOADER_H
#include "common.h"
#include "RouteGraph.h"
#include "BusScheduler.h"

// A static utility class for loading all network and schedule data.

class DataLoader
{
public:
    // Stores the fare rate (cost per minute) for each bus.
    // This map is populated in loadNetworkData() and read by BookingManager.
    // Key: Normalized bus number (e.g., "21g")
    // Value: Cost per minute (e.g., 1.5)
    static map<string, double> busFareRates;

    // Loads the 15-route Chennai network into our graph.
    // ALSO loads the fare data into the busFareRates map.
    static void loadNetworkData(RouteGraph &graph);

    // Loads the daily schedule for all buses into the BusScheduler.
    static void loadBusSchedules(BusScheduler &scheduler, RouteGraph &graph);

private:
    // Helper function to build a realistic, consistent bus run.
    static void scheduleFullRoute(BusScheduler &scheduler, RouteGraph &graph,
                                  string busNum, vector<string> stops,
                                  string startTime, string endTime, int freq);
};

#endif