using Newtonsoft.Json;
using System;
using System.Collections.Generic;
using System.IO;
using System.IO.Compression;
using System.Runtime.Serialization;
using UnityEngine;

namespace Assets.AR
{
    [Serializable]
    public class RouteDetailData
    {
        public RouteInfoData RouteInfo;
        public List<RouteGeometryPointData> Geometry;
        public List<RouteVideoPointData> VideoPoints;
        public List<RouteDetailSplitData> Splits;
        public long Record;
        public long UserRecord;
        public static RouteDetailData LoadFromFile(string path)
        {
            var jsonSerializer = new JsonSerializer();
            jsonSerializer.Converters.Add((JsonConverter)new VectorDataConverter());
            using (var fileStream = File.Open(path, FileMode.Open))
            {
                using (var reader1 = new StreamReader(fileStream))
                {
                    using (var reader2 = new JsonTextReader((TextReader)reader1))
                        return jsonSerializer.Deserialize<RouteDetailData>((JsonReader)reader2);
                }
            }
        }
    }

    public class RouteDetailSplitData
    {
        private bool lapFinish;
        private int lapFinishIndex;
        public double Distance;
        public string Name;

        public bool IsLapFinish => this.lapFinish;

        public int LapFinishIndex => !this.IsLapFinish ? -1 : this.lapFinishIndex;

        public void SetLapFinish(bool lapFinish, int lapFinishIndex)
        {
            this.lapFinish = lapFinish;
            this.lapFinishIndex = lapFinishIndex;
        }

        public override bool Equals(object obj)
        {
            if (obj == null || !this.GetType().Equals(obj.GetType()))
                return false;
            var routeDetailSplitData = obj as RouteDetailSplitData;
            return this.Distance == routeDetailSplitData.Distance && string.Equals(this.Name, routeDetailSplitData.Name);
        }

        public override int GetHashCode()
        {
            var hashCode = 23 * 31 + this.Distance.GetHashCode();
            if (this.Name != null)
                hashCode = hashCode * 31 + this.Name.GetHashCode();
            return hashCode;
        }
    }

    public class RouteVideoPointData
    {
        public double Distance;
        public double VideoTime;
    }
    
    [Serializable]
    public class RouteInfoData 
    {
        private double lapLength;
        private double lapUpclimb;
        public string Name;
        public string CountryCode;
        public string VideoScreen;
        public string Profile;
        public int Version;
        public int Rating;
        public int RatingCount;
        public double Length;
        public int Upclimb;
        public double MaxSlope;
        public double AvgSlope;
        public bool IsFavourite;
        public string ARFileUrl;
        public List<RouteVideoData> Videos;
        public bool SuitableForRunning;
        public bool SuitableForCycling;
        public bool IsMultiLap;
        public int LiveSegmentsCount;

        public bool HasVideo => this.Videos != null && this.Videos.Count > 0;

        public bool IsAr => !string.IsNullOrEmpty(this.ARFileUrl);

        public double LapLength => this.lapLength != 0.0 ? this.lapLength : this.Length;

        public double LapUpclimb => this.lapUpclimb != 0.0 ? this.lapUpclimb : (double)this.Upclimb;

        public void SetLapLength(double lapLength) => this.lapLength = lapLength;

        public void SetLapUpclimb(double lapUpclimb) => this.lapUpclimb = lapUpclimb;
    }

    public class RouteVideoData
    {
        public const int MobileQuality = 540;
        public const int DesktopQuality = 720;
        public const int HdQuality = 1080;
        public const int QhdQuality = 1440;
        public bool IsOFlow;
        public int Quality;
        public string Url;
        public long Size;

        public static int[] AllQualitites() => new int[4]
        {
            540,
            720,
            1080,
            1440
        };

        public static int[] StreamingQualities() => new int[3]
        {
            540,
            720,
            1080
        };
    }

    public class RouteGeometryPointData
    {
        public double Latitude;
        public double Longitude;
        public double Distance;
        public double Altitude;
    }
    
    [Serializable]
    public class ARData
    {
        public ARRouteData Route;
        public ARObjectData[] Objects;
        public ARPanoramaData[] Panoramas;
        public ARPanoramaData[] Panoramas20;
        public byte[] SaveToByteData() => EncoderUtils.ToGzipBytes(JsonConvert.SerializeObject((object)this));

        public static ARData LoadFromByteData(byte[] data) => JsonUtility.FromJson<ARData>(EncoderUtils.UncompressGzipToString(data));

        public static ARData LoadFromFile(string path)
        {
            var jsonSerializer = new JsonSerializer();
            jsonSerializer.Converters.Add((JsonConverter)new VectorDataConverter());
            using (var fileStream = File.Open(path, FileMode.Open))
            {
                using (var reader1 = new StreamReader((Stream)fileStream))
                {
                    using (var reader2 = new JsonTextReader((TextReader)reader1))
                        return jsonSerializer.Deserialize<ARData>((JsonReader)reader2);
                }
            }
        }
    }

    public class VectorDataConverter : JsonConverter
    {
        public override bool CanConvert(Type objectType) => objectType == typeof(VectorData);

        public override object ReadJson(
          JsonReader reader,
          Type objectType,
          object existingValue,
          JsonSerializer serializer)
        {
            var vectorData = new VectorData();
            reader.Read();
            vectorData.x = (float)reader.ReadAsDouble().Value;
            reader.Read();
            vectorData.y = (float)reader.ReadAsDouble().Value;
            reader.Read();
            vectorData.z = (float)reader.ReadAsDouble().Value;
            reader.Read();
            return (object)vectorData;
        }

        public override void WriteJson(JsonWriter writer, object value, JsonSerializer serializer) => throw new NotImplementedException();
    }

    [Serializable]
    public class ARObjectData
    {
        [OptionalField]
        public string Hash;
        public int ObjectTypeId;
        public float Distance;
        public VectorData PositionOffset;
        public VectorData RotationOffset;
        public VectorData Scale;
        public float ManualVisibility;
        public ARObjectTimeTransformData[] TimeData;
        public string CustomUrl;
        public string ArName;
    }

    [Serializable]
    public class ARPanoramaData
    {
        public string name;
        public string url;
        public float frame;
        public int visibilityRear;
        public int visibilityFront;
        public float[] matrix;
    }
    [Serializable]
    public class ARObjectTimeTransformData
    {
        public int Frame;
        public float Distance;
        public VectorData PositionOffset;
        public VectorData RotationOffset;
        public VectorData Scale;
    }
    [Serializable]
    public class ARRouteData
    {
        public int[] Visibility;
        public VectorData[] CameraPositions;
        public VectorData[] CameraRotations;
        public VectorData[] CameraRotationsRear;
        public float[] LightRotationFrames;
        public VectorData[] LightRotations;
        public float[] ShadowIntensityFrames;
        public float[] ShadowIntensities;
        public float[] SphericalHarmonics;
        public int[] SlamSegments;
        public CameraProjectionParameters[] CameraProjectionParameters;
        public bool LeftHanded;
        public int VideoFrameOffset;
        public int VideoFrameOffsetMac = -1;
        public float CameraHeight;
        public float RiderScale = 1f;
        public int[] LeftSideOffsetFrames;
        public float[] LeftSideOffsets;
        public int[] RightSideOffsetFrames;
        public float[] RightSideOffsets;
        public VectorData CameraRotationsOffset;
        public float Lane;
    }
    public class VectorData
    {
        public float x;
        public float y;
        public float z;

        public Vector3 ToUnityVector() => new Vector3(this.x, this.y, this.z);

        public VectorData()
        {
        }

        public VectorData(Vector3 unityVector)
        {
            this.x = unityVector.x;
            this.y = unityVector.y;
            this.z = unityVector.z;
        }
    }

    [Serializable]
    public class CameraProjectionParameters
    {
        public float alpha;
        public float beta;
        public float cx;
        public float cy;

        public CameraProjectionParameters Clone() => new CameraProjectionParameters()
        {
            alpha = this.alpha,
            beta = this.beta,
            cx = this.cx,
            cy = this.cy
        };

        public static CameraProjectionParameters Lerp(
          CameraProjectionParameters a,
          CameraProjectionParameters b,
          float t)
        {
            return new CameraProjectionParameters()
            {
                alpha = Mathf.Lerp(a.alpha, b.alpha, t),
                beta = Mathf.Lerp(a.beta, b.beta, t),
                cx = Mathf.Lerp(a.cx, b.cx, t),
                cy = Mathf.Lerp(a.cy, b.cy, t)
            };
        }
    }
}