using Amazon.S3.Model;
using ServerCommon;
using ServerCore; using ServerBase;
using System;
using System.Collections.Concurrent;
using System.Collections.Generic;
using System.Diagnostics.CodeAnalysis;
using System.Linq;
using System.Text;
using System.Threading.Tasks;

namespace GameServer
{
    public class BuildingManager
    {
        ConcurrentDictionary<int, Building> m_buildings = new();

        
        public async Task<Result> loadBuildings()
        {
            var result = new Result();
            var err_msg = string.Empty;

            var building_meta_ids = MapManager.Instance.getBuildingMetaIds();
            foreach (var building_meta_id in building_meta_ids)
            {
                var building = new Building();
                await building.onInit();

                m_buildings.TryAdd(building_meta_id, building);

                var building_action = building.getEntityAction<BuildingAction>();
                NullReferenceCheckHelper.throwIfNull(building_action, () => $"building_action is null !!!");

                result = await building_action.tryLoadBuildingFromDb(building_meta_id);
                if (result.isFail())
                {
                    err_msg = $"Failed to tryLoadBuildingFromDb() !!! : {result.toBasicString()}";
                    Log.getLogger().error(err_msg);

                    return result;
                }

                var building_floor_agent_action = building.getEntityAction<BuildingFloorAgentAction>();
                NullReferenceCheckHelper.throwIfNull(building_floor_agent_action, () => $"building_floor_agent_action is null !!!");

                result = await building_floor_agent_action.tryLoadBuildingFloorFromDb(building_meta_id);
                if (result.isFail())
                {
                    err_msg = $"Failed to tryLoadBuildingFloorFromDb() !!! : {result.toBasicString()}";
                    Log.getLogger().error(err_msg);

                    return result;
                }

                var building_profit_agent_action = building.getEntityAction<BuildingProfitAgentAction>();
                NullReferenceCheckHelper.throwIfNull(building_profit_agent_action, () => $"building_profit_agent_action is null !!!");

                result = await building_profit_agent_action.tryLoadBuildingProfitFromDb(building_meta_id);
                if (result.isFail())
                {
                    err_msg = $"Failed to tryLoadBuildingProfitFromDb() !!! : {result.toBasicString()}";
                    Log.getLogger().error(err_msg);

                    return result;
                }

                var building_profit_history_agent_action = building.getEntityAction<BuildingProfitHistoryAgentAction>();
                NullReferenceCheckHelper.throwIfNull(building_profit_history_agent_action, () => $"building_profit_history_agent_action is null !!!");

                result = await building_profit_history_agent_action.tryLoadBuildingProfitHistoryFromDb(building_meta_id);
                if (result.isFail())
                {
                    err_msg = $"Failed to tryLoadBuildingProfitHistoryFromDb() !!! : {result.toBasicString()}";
                    Log.getLogger().error(err_msg);

                    return result;
                }

                var building_rental_history_agent_action = building.getEntityAction<BuildingRentalHistoryAgentAction>();
                NullReferenceCheckHelper.throwIfNull(building_rental_history_agent_action, () => $"building_rental_history_agent_action is null !!!");

                result = await building_rental_history_agent_action.tryLoadBuildingRentalHistoryFromDb(building_meta_id);
                if (result.isFail())
                {
                    err_msg = $"Failed to tryLoadBuildingRentalHistoryFromDb() !!! : {result.toBasicString()}";
                    Log.getLogger().error(err_msg);

                    return result;
                }
            }

            return result;
        }

        public bool tryGetBuilding(int buildingMetaId, [MaybeNullWhen(false)] out Building building)
        {
            return m_buildings.TryGetValue(buildingMetaId, out building);
        }

        public async Task<List<BuildingInfo>> tryGetBuildingInfos()
        {
            var building_infos = new List<BuildingInfo>();

            foreach (var building in m_buildings.Values)
            {
                var building_info = await building.toBuildingInfo();
                building_infos.Add(building_info);
            }

            return building_infos;
        }

        public List<(int, int, int)> checkRentalFinish()
        {
            var rental_finish_building_floors = new List<(int, int, int)>();

            foreach (var building in m_buildings.Values)
            {
                var building_floor_agent_action = building.getEntityAction<BuildingFloorAgentAction>();
                NullReferenceCheckHelper.throwIfNull(building_floor_agent_action, () => $"building_floor_agent_action is null !!!");

                var building_floors = building_floor_agent_action.getBuildingFloors();
                foreach (var building_floor in building_floors.Values)
                {
                    var building_floor_action = building_floor.getEntityAction<BuildingFloorAction>();
                    NullReferenceCheckHelper.throwIfNull(building_floor_action, () => $"building_floor_action is null !!!");

                    if (building_floor_action.isRentalFinish())
                    {
                        var (land_meta_id, building_meta_id, floor) = building_floor_action.getAddress();

                        rental_finish_building_floors.Add((land_meta_id, (int)building_meta_id, floor));
                    }
                }
            }

            return rental_finish_building_floors;
        }

        public Result tryRemoveBuildingFloor(int buildingMetaId, int floor)
        {
            var result = new Result();
            var err_msg = string.Empty;

            if (!m_buildings.TryGetValue(buildingMetaId, out var building))
            {
                err_msg = $"Failed to TryGetValue() !!! : buildingMetaId:{buildingMetaId} : {this.getTypeName()}";
                result.setFail(ServerErrorCode.BuildingNotFound, err_msg);
                Log.getLogger().error(result.toBasicString());

                return result;
            }

            var building_floor_agent_action = building.getEntityAction<BuildingFloorAgentAction>();
            NullReferenceCheckHelper.throwIfNull(building_floor_agent_action, () => $"building_floor_agent_action is null !!!");

            building_floor_agent_action.removeBuildingFloor(floor);

            return result;
        }
    }
}