Server/src/engine/gameManager/MaintenanceManager.java

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//      Magicbane Emulator Project © 2013 - 2022
//                www.magicbane.com

package engine.gameManager;

// Defines static methods which comprise the magicbane
// building maintenance system.

import engine.Enum;
import engine.objects.*;
import org.pmw.tinylog.Logger;

import java.time.LocalDateTime;
import java.util.ArrayList;
import java.util.HashMap;
import java.util.concurrent.ConcurrentHashMap;

public enum MaintenanceManager {

    MAINTENANCEMANAGER;

    public static void setMaintDateTime(Building building, LocalDateTime maintDate) {

        building.maintDateTime = maintDate;
        DbManager.BuildingQueries.updateMaintDate(building);

    }

    public static void dailyMaintenance() {

        Logger.info("Maintenance has started");

        // Run maintenance on player buildings

        if (ConfigManager.MB_WORLD_MAINTENANCE.getValue().equalsIgnoreCase("true"))
            processMaintenance();
        else
            Logger.info("Maintenance Costings: DISABLED");

        Logger.info("Maintenance has completed!");
    }

    public static void processMaintenance() {

        //create list of all cities
        ConcurrentHashMap<Integer, AbstractGameObject> worldCities = DbManager.getMap(Enum.GameObjectType.City);

        //loop all cities
        for (AbstractGameObject ago : worldCities.values()) {
            if (ago.getObjectType().equals(Enum.GameObjectType.City)) {
                City city = (City) ago;
                if(city == null)
                    continue;

                Building tol = city.getTOL();
                if(tol == null)
                    continue;

                if(tol.maintDateTime.toLocalDate().equals(LocalDateTime.now().toLocalDate())){
                    // today is maintenance day
                    processTolMaintenance(tol, city.getWarehouse());
                }
            }
        }
    }

    public static void processTolMaintenance(Building tol, Warehouse warehouse){
        //create the required resource maintenance list
        HashMap<Integer,Integer> maintCosts = new HashMap<>();
        maintCosts.put(7,3000000);
        if(tol.getRank() == 8){
            maintCosts.put(1580000,3000);//stone
            maintCosts.put(1580004,3000);//lumber
            maintCosts.put(1580017,5);//galvor
            maintCosts.put(1580018,5);//wormwood
        }else {
            //not r8, only need to process gold value and we're done
            int maintenanceDue = maintCosts.get(7);
            int strongboxGold = tol.getStrongboxValue();
            if (strongboxGold > 0) {
                if (strongboxGold > maintenanceDue) {
                    //enough gold in strongbox to cover all of maintenance
                    maintenanceDue = 0;
                    strongboxGold -= maintenanceDue;
                    tol.setStrongboxValue(strongboxGold); //update strongbox value
                    setMaintDateTime(tol, tol.maintDateTime.plusDays(7)); //maintenance paid, set next maintenance date for 1 week from today
                    return; //maintenance is paid, all done
                } else {
                    maintenanceDue -= strongboxGold;
                    strongboxGold = 0;
                }
            }
            //now we need to take the remaining maintenance from the warehouse
            int warehouseGold = 0;
            if (warehouse != null) {
                warehouseGold = warehouse.getResources().get(ItemBase.getItemBase(7));
            }
            if (warehouseGold >= maintenanceDue) {
                //we have enough gold to process maintenance
                tol.setStrongboxValue(strongboxGold); //update the strongbox now that we are sure maintenance is being paid
                warehouseGold -= maintenanceDue;
                warehouse.getResources().put(ItemBase.getItemBase(7),warehouseGold);
                DbManager.WarehouseQueries.updateGold(warehouse, warehouseGold);
                setMaintDateTime(tol, tol.maintDateTime.plusDays(7)); //maintenance paid, set next maintenance date for 1 week from today
                //maintenance is paid, all done
            } else {
                //failed maintenance, derank asset
                HandleMaintenanceDerank(tol); //handle derank or potential destruction of the city
            }
            return;
        }

        //handle r8 ToL maintenance here after the fact
        HashMap<Integer,Integer> updatedValues = new HashMap<>();
        Boolean success = true;
        for(Integer ibId : maintCosts.keySet()){
            if (warehouse != null) {
                int resourceCount = warehouse.getResources().get(ItemBase.getItemBase(ibId));
                if(resourceCount < maintCosts.get(ibId))
                    success = false;
            }else{
                success = false;
            }
        }
        if(success = true){
            //determined there is enough of each resourceType to withdraw maintenance

        }else{
            HandleMaintenanceDerank(tol);//handle derank or potential destruction of the city
        }

    }

    public static void HandleMaintenanceDerank(Building tol){
        setMaintDateTime(tol, tol.maintDateTime.plusDays(1)); //failed to pay maintenance, set next date for tomorrow

    }
}