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

namespace Bogus_Pump
{
    [MetaPartsDescriptor(
        "lang-zh-cn:加油机模拟器lang-en-us:Pumps Simulator",
        "lang-zh-cn:用于模拟多个通用加油机(多个Pumps), 自动提枪并等待授权, 然后自动加油,但也可以关闭自动模拟转而接收外部调用来模拟油机行为.lang-en-us:Used for simulate generic pumps, auto timely lift nozzle, wait for authorizing and then start fuelling",
        new[] { "lang-zh-cn:加油机lang-en-us:Pump" })]
    public class PumpHandlerGroupApp : IEnumerable<IFdcPumpController>, IFdcCommunicableController, IAppProcessor, IDisposable
    {
        private IEnumerable<NozzleExtraInfo> nozzleExtraInfos = null;

        private List<PumpHandler> pumpHandlers = new List<PumpHandler>();
        public PumpHandlerGroupApp(int pumpsCount, byte nozzlesCountPerPump, bool enableFuelSimulation)
        {
            pumpHandlers.AddRange(Enumerable.Range(1, pumpsCount).Select(i => new PumpHandler(i, nozzlesCountPerPump, enableFuelSimulation)));
        }

        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; }

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

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

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

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

        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;
        }

        [UniversalApi]
        public async Task<bool> RaisePumpNewTrx(int siteLevelNozzleId,
            int amountWithoutDecimalPoint, int volumeWithoutDecimalPoint, int priceWithoutDecimalPoint, int trxSeqNumber)
        {
            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.DrivenPumpRaiseNewTrx((byte?)(targetNozzleInfo.NozzleLogicalId), amountWithoutDecimalPoint, volumeWithoutDecimalPoint, priceWithoutDecimalPoint, trxSeqNumber);
            return true;
        }

        [UniversalApi]
        public async Task<bool> DisplayTextOnPumpScreen(int[] screenIds, int areaId, string text)
        {
            if (BroadcastMessageViaFdc != null)
            {
                var p = new
                {
                    source = "fc",
                    data = new
                    {
                        screenIds = screenIds,
                        areaId = areaId,
                        text = text,
                    }
                };
                BroadcastMessageViaFdc(System.Text.Json.JsonSerializer.Serialize(p));
                return true;
            }
            else
                return false;
        }
    }
}