///
/// Copyright (c) 2021 Sensus Slovensko a.s.
///
using System;
using System.Collections.Generic;
using System.IO;
using System.Linq;
using System.Text;
using Common;
using Results.Entities;

namespace Results
{
    public class BatchResults
	{
        public Batch Batch;
        public int WMPositionsCount;

        public IList<Entities.TestData> TestDataList;
        public IList<Entities.Components> ComponentsList;
        public IList<Entities.WaterMeterData> WaterMeterDataList;


        /// <summary>
        /// Parameterless constructor required for serialization
        /// </summary>
        public BatchResults()
        {
            TestDataList = new List<Entities.TestData>();
            ComponentsList = new List<Entities.Components>();
            WaterMeterDataList = new List<Entities.WaterMeterData>();
        }

        /// <summary>
        /// Constructor invoked by  static BatchResults NewFromProcedure(...)
        /// </summary>
        /// <param name="wmPositionsCount">Watermeters count</param>
		private BatchResults(int wmPositionsCount)
            : this()
		{
			WMPositionsCount = wmPositionsCount;
		}


		public static BatchResults NewFromProcedure(int batchNr, int benchId, string benchName, string a1, string a2, string a3, string a4, string a5,
                                                    string user, int userNr, string programVer, Config.Entities.Procedure procedure,
                                                    WaterMeterData[] waterMeterDatas, int[] waterMeterParts,
                                                    string variant, string order, string workflow, string laserMarking,
                                                    double realDensity, double atTemperature, double buoyancy)
		{
			BatchResults d = new BatchResults(waterMeterDatas.Length);
            int year = DateTime.Now.Year;

			/// Create new batch
			d.Batch = new Batch()
				{
                    BatchNr = batchNr,
                    ProgramVersion = programVer,
                    TestBenchId = benchId,
                    TestBenchName = benchName,
					Address1 = a1,
					Address2 = a2,
					Address3 = a3,
					Address4 = a4,
					Address5 = a5,
					UserName = user,
					UserNumber = userNr,
					ProcedureName = procedure.Name,
					ProcedureDescription = procedure.Description,
                    WatermetersStr = (variant != null) ? variant : string.Empty,
                    PurchaseOrder = order,
                    Workflow = workflow,
					ProcedureRevision = procedure.Revision,
					StartTime = DateTime.Now,
                    SampleDensity = realDensity,
                    SampleTemp = atTemperature,
                    Buoyancy = buoyancy,
                    Compound = (procedure.MetersKind == MetersKind.Combined),
#if HEAT_METERS
                    HeatMeter = (procedure.MetersKind == MetersKind.HeatMeter),
#endif
                };

			///
			/// Add watermeter to an array, array index is WM position.
			/// AddWaterMetersToBatch() has to be used before saving results.
			///
			for (int wmPos0 = 0; wmPos0 < d.WMPositionsCount; wmPos0++)
			{
                var wm = new WaterMeter()
                {
                    Batch = d.Batch,
                    WMPosition = wmPos0 + 1,
                    YearOfProduction = year,
                };

                if (waterMeterDatas[wmPos0] != null)
                {
                    wm.WaterMeterData = WaterMeterData.UpdateList(d.WaterMeterDataList, waterMeterDatas[wmPos0]);
                }
                else
                {
                    wm.Disabled = true;
                }

                if (!string.IsNullOrEmpty(order)) wm.PurchaseOrder = order;
                if (!string.IsNullOrEmpty(laserMarking)) wm.Remark = laserMarking;

                d.Batch.WaterMeters.Add(wm);
            }

			foreach (var ti in procedure.GetTestInstances())
			{
				TestData td = TestData.UpdateList(d.TestDataList, new TestData(ti.Test));

				/// Create an empty test result and add it to the list
				TestRslt tr = new TestRslt(d.Batch, td, ti.Test.Part, ti.Repetition);
				d.Batch.TestRslts.Add(tr);

				for (int i = 0; i < d.WMPositionsCount; i++)
				{
                    if (!d.Batch.WaterMeters[i].Disabled && ti.Test.IsPartCompatible(waterMeterParts[i]))
                    {
                        ///
                        /// Create empty watermeter test results and add them to the list and to dictionaries
                        ///
                        IList<MeterTestRslt> wmtrs = d.Batch.WaterMeters[i].MeterTestRslts;
                        if (d.Batch.Compound)
                        {
                            /// Compound water meter
                            wmtrs.Add(new MeterTestRslt(d.Batch.WaterMeters[i], tr, CompoundMeterId.CompoundMain));
                            wmtrs.Add(new MeterTestRslt(d.Batch.WaterMeters[i], tr, CompoundMeterId.CompoundAux));
                            wmtrs.Add(new MeterTestRslt(d.Batch.WaterMeters[i], tr, CompoundMeterId.Compound));
                        }
                        else if (d.Batch.HeatMeter)
                        {
                            /// Heat meter
                            wmtrs.Add(new MeterTestRslt(d.Batch.WaterMeters[i], tr, CompoundMeterId.HeatMeterVolume));
                            wmtrs.Add(new MeterTestRslt(d.Batch.WaterMeters[i], tr, CompoundMeterId.HeatMeterEnergy));
                        }
                        else
                        {
                            /// Water meter
                            wmtrs.Add(new MeterTestRslt(d.Batch.WaterMeters[i], tr, CompoundMeterId.Single));
                        }
                    }
				}
			}

			return d;
		}

        public static BatchResults FromBatch(Batch batch)
        {
            if (batch.WaterMeters == null || batch.WaterMeters.Count == 0) return null;

            int wmPosMax = 0;
            foreach (var wm in batch.WaterMeters) if (wm.WMPosition > wmPosMax) wmPosMax = wm.WMPosition;

            BatchResults batchResults = new BatchResults(wmPosMax);
            batchResults.Batch = batch;
            /// Insert missing disabled water meters
            for (int wmNr0 = 0; wmNr0 < wmPosMax; wmNr0++)
            {
                if (batch.WaterMeters[wmNr0].WMPosition > wmNr0 + 1)
                {
                    batch.WaterMeters.Insert(wmNr0, new WaterMeter() { Batch = batch,
                                                                       WaterMeterData = null,
                                                                       WMPosition = wmNr0 + 1,
                                                                       YearOfProduction = 0,
                                                                       Disabled = true, });
                }
            }

            return batchResults;
        }

        public TestRslt GetTestRslt(string name, int part)
		{
			return Batch.GetTestRslt(name, part);
		}

		public MeterTestRslt GetMeterTestRslt(string name, int wmNr0, CompoundMeterId meterId)
		{
            if (Batch.WaterMeters != null && Batch.WaterMeters.Count > wmNr0 && !Batch.WaterMeters[wmNr0].Disabled)
			{
                return Batch.WaterMeters[wmNr0].GetMeterTestRslt(name, meterId);
			}
			return null;
		}

		public MeterTestRslt GetEachMeterTestRslt(string name, int wmNr0, CompoundMeterId meterId)
		{
			if (Batch.WaterMeters != null && Batch.WaterMeters.Count > wmNr0)
			{
				return Batch.WaterMeters[wmNr0].GetMeterTestRslt(name, meterId);
			}
			return null;
		}


		/// <summary>
		/// Returns true when all tests were done
		/// </summary>
		/// <returns>true = all tests done</returns>
		public bool AllTestsDone()
		{
			for (int wmNr0 = 0; wmNr0 < WMPositionsCount; wmNr0++)
			{
                if (Batch.WaterMeters != null && Batch.WaterMeters.Count > wmNr0 && !Batch.WaterMeters[wmNr0].Disabled)
				{
					foreach (var mtr in Batch.WaterMeters[wmNr0].MeterTestRslts)
					{
                        if (mtr.Evaluate() && !mtr.TestDone) return false;
					}
				}
			}
			return true;
		}


        public virtual void WriteBinary(BinaryWriter writer)
        {
            Batch.WriteBinary(writer);
            writer.Write(WMPositionsCount);
        }

        public virtual void ReadBinary(BinaryReader reader)
        {
            Batch = new Batch();
            Batch.ReadBinary(reader);
            WMPositionsCount = reader.ReadInt32();
        }
    }
}