using Edge.Core.Configuration;
using Edge.Core.IndustryStandardInterface.Pump;
using Edge.Core.Processor;
using Edge.Core.Processor.Dispatcher.Attributes;
using Edge.Core.UniversalApi;
using Microsoft.Extensions.DependencyInjection;
using Microsoft.Extensions.Logging;
using System;
using System.Collections;
using System.Collections.Generic;
using System.Linq;
using System.Threading.Tasks;
using Wayne.FDCPOSLibrary;

namespace EagleStar_Pump
{
    [MetaPartsDescriptor(
        "lang-zh-cn:英高系统数据库lang-en-us:EagleStar System Database",
        "lang-zh-cn:用于连接英高系统数据库，抓取Fairbanks所需要的数据.lang-en-us:Used for connecting to EagleStar system database, auto timely grab the data required by Fairbanks",
        new[] { "lang-zh-cn:加油机lang-en-us:Pump" })]
    public class PumpHandlerGroupApp : IEnumerable<IFdcPumpController>, IFdcCommunicableController, IAppProcessor, IDisposable
    {
        private List<PumpHandler> pumpHandlers = new List<PumpHandler>();
        private ILogger logger = null;

        [ParamsJsonSchemas("PumpGroupCtorParamsJsonSchemas")]
        public PumpHandlerGroupApp(PumpGroupConfiguration pumpGroupConfiguration, IServiceProvider services)
        {
            if (services != null)
            {
                var loggerFactory = services.GetRequiredService<ILoggerFactory>();
                logger = loggerFactory.CreateLogger("DynamicPrivate_PumpHandler");
            }
            logger.LogInformation("EagleStar pump app, Will create.");
            pumpHandlers.Add(new PumpHandler(pumpGroupConfiguration, logger, services));
        }

        public string MetaConfigName { get; set; }
        public Func<string, bool> BroadcastMessageViaFdc { get; set; }
        public Func<string, string, string, bool> SendMessageViaFdc { get; set; }
        public Func<string, Tuple<string, OverallResult>> OnMessageReceivedViaFdc { get; set; }
        private IEnumerable<NozzleExtraInfo> nozzleExtraInfos = null;

        public void Dispose()
        {
            this.pumpHandlers?.ForEach(ph => ph.Dispose());
        }

        public IEnumerator<IFdcPumpController> GetEnumerator()
        {
            return this.pumpHandlers.GetEnumerator();
        }

        IEnumerator IEnumerable.GetEnumerator()
        {
            return this.pumpHandlers.GetEnumerator();
        }

        public void Init(IEnumerable<IProcessor> processors)
        {
        }

        public void OnFdcServerInit(Dictionary<string, object> parameters)
        {
            if (parameters != null && parameters.TryGetValue("NozzleProductMapping", out object param))
            {
                this.nozzleExtraInfos = param as IEnumerable<NozzleExtraInfo>;
            }
        }

        [UniversalApi]
        public async Task<bool> ChangePumpStateTo(int siteLevelNozzleId, LogicalDeviceState pumpNewState,
            int? amountWithoutDecimalPoint, int? volumeWithoutDecimalPoint, int? priceWithoutDecimalPoint)
        {
            var targetNozzleInfo = this.nozzleExtraInfos.FirstOrDefault(i => i.SiteLevelNozzleId == siteLevelNozzleId);
            if (targetNozzleInfo == null) return false;
            var targetPump = this.pumpHandlers.FirstOrDefault(ph => ph.PumpId == targetNozzleInfo.PumpId);
            if (targetPump == null) return false;
            targetPump.DrivenPumpStateTo((byte?)(targetNozzleInfo.NozzleLogicalId), pumpNewState, amountWithoutDecimalPoint, volumeWithoutDecimalPoint, priceWithoutDecimalPoint);
            return true;
        }
    }

    #region Ctor parameters

    public class PumpGroupConfiguration
    {
        public string DatabaseConnectionString { get; set; }
        public byte AmountDecimalDigits { get; set; }
        public byte VolumeDecimalDigits { get; set; }
        public byte PriceDecimalDigits { get; set; }
        public byte VolumeTotalizerDecimalDigits { get; set; }
    }

    #endregion
}