using System.Collections;
using System.Collections.Generic;
using UnityEngine;
using UnityEngine.Events;
using System.Linq;
using System.Reflection;
using System.IO;
using System.Runtime.CompilerServices;
using UnityEngine.Networking;
using System;
using System.Threading.Tasks;
using Newtonsoft.Json;
using Newtonsoft.Json.Serialization;
using Newtonsoft.Json.Linq;
using System.Text;
using System.IO.Compression;
using System.Data;
using UnityEngine.UIElements;
namespace BITKit
{
    public static partial class MathQ
    {
        public static bool IsNaN(this Quaternion self)
        {
            return float.IsNaN(self.x) || float.IsNaN(self.y) || float.IsNaN(self.z) || float.IsNaN(self.w);
        }
    }
    public static partial class MathV
    {
        public static bool IsNaN(this Vector3 self)
        {
            return float.IsNaN(self.x) || float.IsNaN(self.y) || float.IsNaN(self.z);
        }
        public static Vector2 Fix(this Vector2 self, int length = 1024)
        {
            if (MathB.IsNormal(self.x, length) is false)
            {
                self.x = 0;
            }
            if (MathB.IsNormal(self.y, length) is false)
            {
                self.y = 0;
            }
            return self;
        }
        public static Vector3 Fix(this Vector3 self, int length = 1024)
        {
            if (MathB.IsNormal(self.x, length) is false)
            {
                self.x = 0;
            }
            if (MathB.IsNormal(self.y, length) is false)
            {
                self.y = 0;
            }
            if (MathB.IsNormal(self.z, length) is false)
            {
                self.z = 0;
            }
            return self;
        }
        public static bool Parallel(Vector2 vectorX, Vector2 vectorY)
        {
            return (vectorX, vectorY) switch
            {
                var (x, y) when (x.x > 0 && y.x > 0 && x.y > 0 && y.y > 0) => true,
                var (x, y) when (x.x < 0 && y.x < 0 && x.y < 0 && y.y < 0) => true,
                _ => false,
            };
        }
        public static bool Approximately(Vector2 vectorX, Vector2 vectorY, float factor = 8)
        {
            /* var direction = vectorX - vectorY;
            return direction.sqrMagnitude < factor; */
            return Vector3.Angle(vectorX, vectorY) < 8;
        }
        public static Vector3 TransientRotationAxis(Vector3 transientAxis)
        {
            transientAxis.x = TransientRotationAxis(transientAxis.x);
            transientAxis.y = TransientRotationAxis(transientAxis.y);
            transientAxis.z = TransientRotationAxis(transientAxis.z);
            return transientAxis;
        }
        public static Vector3Int Align(this Vector3 self, int snapSize = 64)
        {
            Vector3Int result = new()
            {
                x = GetAlign(self.x),
                y = GetAlign(self.y),
                z = GetAlign(self.z),
            };
            return result * snapSize;
            int GetAlign(float _self)
            {
                var size = (int)_self / snapSize;
                var remainder = _self % snapSize;
                return remainder > snapSize / 2 ? size + 1 : size;
            }
        }
        public static float GetLength(this Vector3 self)
        {
            return Mathf.Max(Mathf.Abs(self.x), Mathf.Abs(self.y), Mathf.Abs(self.z));
        }
        public static float GetValue(this Vector3 self)
        {
            var addValue = self.x + self.y + self.z;
            var subtractValue = self.x - self.y - self.z;
            if (Math.Abs(MathF.Abs(addValue) - Mathf.Abs(subtractValue)) < 0.01f)
            {
                return addValue;
            }
            else
            {
                var sb = new StringBuilder();
                sb.AppendLine("Not a valid vector");
                sb.AppendLine($"{self.x}+{self.y}+{self.z} = {addValue}");
                sb.AppendLine($"{self.x}-{self.y}-{self.z} = {subtractValue}");
                sb.AppendLine($"{addValue}");
                sb.AppendLine($"{subtractValue}");
                throw new Exception(sb.ToString());
            }
        }
        public static bool InRange(this Vector2Int self, Vector2Int other)
        {
            return self.x >= 0
            && self.y >= 0
            && other.x >= 0
            && other.y >= 0
            && other.x <= self.x
            && other.y <= self.y
            && (self + other).x >= 0
            && (self + other).y >= 0;
        }
        public static float TransientRotationAxis(this float transientAxis)
        {
            return (transientAxis %= 360) switch
            {
                var x when x > 180 => transientAxis - 360,
                var x when x < -180 => transientAxis + 360,
                _ => transientAxis,
            };
        }
        public static float WrapAngle(float angle)
        {
            angle %= 360;
            if (angle > 180)
                return angle - 360;

            return angle;
        }
        public static Vector3 WrapAngle(Vector3 vector)
        {
            return new Vector3
            {
                x = WrapAngle(vector.x),
                y = WrapAngle(vector.y),
                z = WrapAngle(vector.z),
            };
        }

        private static float UnwrapAngle(float angle)
        {
            if (angle >= 0)
                return angle;

            angle = -angle % 360;

            return 360 - angle;
        }
        public static Vector2Int ToVector2Int(this Vector2 self)
        {
            return new Vector2Int
            {
                x = (int)self.x,
                y = (int)self.y,
            };
        }
    }

    public static partial class Utility
    {
        public static bool Includes(this LayerMask mask, int layer)
        {
            return (mask.value & 1 << layer) > 0;
        }
        public static byte[] ToByte(this string self)
        {
            return System.Text.Encoding.UTF8.GetBytes(self);
        }
        public static string Padding(this string self, int length = 16, char c = ' ')
        {
            Encoding coding = Encoding.GetEncoding("gb2312");
            int dcount = 0;
            foreach (char ch in self.ToCharArray())
            {
                if (coding.GetByteCount(ch.ToString()) == 2)
                    dcount++;
            }
            string w = self.PadRight(length - dcount, c);
            return w;
        }
        public static bool IsDefault<T>(this T self) where T : IEquatable<T>
        {
            return self.Equals(default);
        }
        public static float Random(this float self) => UnityEngine.Random.Range(-self, self);
        public static int Random(this int self) => UnityEngine.Random.Range(-self, self);
        public static Location GetLocation(this Component self)
        {
            return new Location(self);
        }
        public static Location GetLocation(this GameObject self)
        {
            return new Location(self.transform);
        }
        public static T Random<T>(this IEnumerable<T> e)
        {
            return e.ElementAt(UnityEngine.Random.Range(0, e.Count()));
        }
        public static T Random<T>(this T[] self)
        {
            return self[UnityEngine.Random.Range(0, self.Length)];
        }
        public static bool IsNullOrEmpty(this string self)
        {
            return String.IsNullOrWhiteSpace(self);
        }
        public static bool IsValid(this string self)
        {
            return !self.IsNullOrEmpty();
        }
        public static UnityEvent AddListener(this UnityEvent unityEvent, UnityAction call)
        {
            unityEvent.AddListener(call);
            return unityEvent;
        }
        public static string Combine(this string[] self)
        {
            if (self.IsNull())
            {
                return string.Empty;
            }
            StringBuilder stringBuilder = new();
            self.ForEach(x =>
            {
                stringBuilder.Append(x);
            });
            return stringBuilder.ToString();
        }
        public static string Combine(this IEnumerable<string> self, bool split = false)
        {
            StringBuilder stringBuilder = new StringBuilder();
            if (self.IsNull())
            {
                return string.Empty;
            }
            self.ForEach(x =>
            {
                stringBuilder.Append(x);
                stringBuilder.Append(" ");
                if (split)
                {
                    stringBuilder.Append("\n");
                }
            });
            return stringBuilder.ToString();
        }
        public static float ToFloat(this string self)
        {
            if (string.IsNullOrEmpty(self)) return default;
            return float.Parse(self);
        }
        public static Vector3 MatchTarget(this ref Vector3 self, Vector3 pos, float normalizedTime, float start, float end)
        {
            if (normalizedTime >= start && normalizedTime <= end)
            {
                float process = normalizedTime / (end - start);
                Vector3 direction = pos - self;
                return Vector3.Lerp(default, direction, process);
            }
            return default;
        }
        public static Dictionary<string, string> ToDictionary(this string jsonSrting, params string[] removes)
        {
            removes.ForEach(x =>
            {
                jsonSrting = jsonSrting.Replace(x, string.Empty);
            });
            var jsonObject = JObject.Parse(jsonSrting);
            var jTokens = jsonObject.Descendants().Where(p => !p.Any());
            var tmpKeys = jTokens.Aggregate(new Dictionary<string, string>(),
                (properties, jToken) =>
                {
                    properties.Add(jToken.Path, jToken.ToString());
                    return properties;
                });
            return tmpKeys;
        }
        public static Dictionary<string, string> JsonToDictionary(this string jsonSrting, params string[] replace)
        {
            replace.ForEach(x =>
           {
               jsonSrting = jsonSrting.Replace(x, string.Empty);
           });
            Dictionary<string, string> dic = JsonConvert.DeserializeObject<Dictionary<string, string>>(jsonSrting);
            return dic;
        }
        public static string DeleteLines(string text, int lineCount)
        {
            while (text.Split('\n').Length > lineCount)
                text = text.Remove(0, text.Split('\n')[0].Length + 1);
            return text;
        }
        public static TaskAwaiter GetAwaiter(this AsyncOperation asyncOp)
        {
            var tcs = new TaskCompletionSource<object>();
            asyncOp.completed += obj => { tcs.SetResult(null); };
            return ((Task)tcs.Task).GetAwaiter();
        }
        public static TaskAwaiter GetAwaiter(this System.Action action)
        {
            var tcs = new TaskCompletionSource<object>();
            action += () => { tcs.SetResult(null); };
            return ((Task)tcs.Task).GetAwaiter();
        }
        public static float GetDifference(this IEnumerable<float> self)
        {
            return self.Max() - self.Min();
        }
        public static void Toggle(this Behaviour self)
        {
            self.enabled = !self.enabled;
        }
        public static void SetEnabled(this UnityEngine.Behaviour self, bool value)
        {
            if (self)
            {
                self.enabled = value;
            }
        }
        public static T Or<T>(params T[] ts)
        {
            for (int i = 0; i < ts.Length; i++)
            {
                var t = ts[i];
                if (t != null && t.Equals(default))
                {

                }
                else
                {
                    return t;
                }
            }
            return default;
        }
        public static bool TryGetComponentsInParent<T>(this GameObject self, out T[] components)
        {
            return TryGetComponentsInParent(self.transform, out components);
        }
        public static bool TryGetComponentsInParent<T>(this Component self, out T[] components)
        {
            components = self.GetComponentsInParent<T>();
            return components.IsValid();
        }
        public static bool TryGetComponentAny<T>(this Component self, out T component)
        {
            component = self.GetComponentInChildren<T>();
            if (component is not null)
            {
                return true;
            }
            component = self.GetComponentInParent<T>();
            if (component is not null)
            {
                return true;
            }
            return false;
        }
        public static bool TryGetFirstOrDefault<T>(this IEnumerable<T> self, out T value)
        {
            value = default;
            if (self.IsValid())
            {
                value = self.ElementAt(0);
                return true;
            }
            return default;
        }
        public static TValue GetOrDefault<TKey, TValue>(this IDictionary<TKey, TValue> self, TKey key)
        {
            TValue value = default;
            self.TryGetValue(key, out value);
            return value; ;
        }
        public static void DestoryChilds(this GameObject self)
        {
            if (self)
            {
                var list = self.GetComponentsInChildren<Transform>().ToList();
                list.TryRemove(self.transform);
                list.ForEach(x =>
                {
                    GameObject.Destroy(x.gameObject);
                });
            }
        }
        public static bool Contains(this string self, IEnumerable<string> strs, out string key)
        {
            bool result = false;
            string newKey = default;
            strs.ForEach(x =>
            {
                if (self.Contains(x))
                {
                    result = true;
                    newKey = x;
                    return;
                }
            });
            key = newKey;
            return result;
        }
        /// <summary>
        /// 带毫秒的字符转换成时间（DateTime）格式
        /// 可处理格式：[2014-10-10 10:10:10,666 或 2014-10-10 10:10:10 666 或 2014-10-10 10:10:10.666]
        /// </summary>
        public static DateTime GetDateTime(this string dateTime)
        {
            string[] strArr = dateTime.Split(new char[] { '-', ' ', ':', ',', '.' });
            DateTime dt = new DateTime(int.Parse(strArr[0]),
                int.Parse(strArr[1]),
                int.Parse(strArr[2]),
                int.Parse(strArr[3]),
                int.Parse(strArr[4]),
                int.Parse(strArr[5]),
                int.Parse(strArr[6]));
            return dt;
        }
        public static bool Equality<T>(this IEnumerable<T> self, IEnumerable<T> other)
        {
            bool result = true;
            if (self.Count() != other.Count())
            {
                return false;
            }
            self.ForEach(x =>
            {
                if (other.Contains(x) == false)
                {
                    result = false;
                    return;
                }
            });
            return result;
        }
        public static string ReservedRows(this string self, int length, bool reverse = false)
        {
            StringBuilder stringBuilder = new(self);
            var lines = self.Split("\n");
            if (reverse)
            {
                lines.Reverse().ToList();
            }
            if (lines.Length > length)
            {
                stringBuilder.Clear();
                for (int i = lines.Length - length; i < lines.Length; i++)
                {
                    var words = lines[i];
                    if (words is not "\n")
                    {
                        stringBuilder.Append(words);
                    }
                    stringBuilder.Append("\n");
                }
            }
            return stringBuilder.ToString();
        }
    }
    public static partial class ReflectionExtensions
    {
        public static void ForEachProties<T>(this object self, UnityAction<T> action = null)
        {
            self.GetType().GetProperties().ForEach(x =>
            {
                Debug.Log(x.Name);
                if (x.GetCustomAttribute<ObsoleteAttribute>() == null && x.GetValue(self) is T t)
                {
                    if (action is not null) action.Invoke(t);
                }
            });
        }
        public static void ForEachFields<T>(this object self, UnityAction<T> action = null, UnityAction<FieldInfo> infoAction = null, UnityAction<FieldInfo, T> mixAction = null)
        {
            self.GetType().GetFields().ForEach(x =>
            {

                if (x.GetCustomAttribute<ObsoleteAttribute>() == null && x.GetValue(self) is T t)
                {

                    if (infoAction is not null) infoAction.Invoke(x);
                    if (action is not null) action.Invoke(t);
                    if (mixAction is not null) mixAction.Invoke(x, t);
                }

            });
        }
    }
    public static partial class UIToolkitExtensions
    {
        public static void SetActive(this VisualElement self, bool active)
        {
            self.style.display = new(active ? DisplayStyle.Flex : DisplayStyle.None);
        }
        public static float GetOpacity(this VisualElement self) => self.style.opacity.value;
        public static void SetOpacity(this VisualElement self, float value) => self.style.opacity = new(value);
        public static void ScrollToBottom(this ScrollView self)
        {
            self.verticalScroller.value =
                    self.verticalScroller.highValue > 0 ? self.verticalScroller.highValue : 0;
        }
        public static async void ScrollToBottomAutomatic(this ScrollView self, float delay = 0.02f)
        {
            if (self.verticalScroller.value == self.verticalScroller.highValue)
            {
                try
                {
                    await Task.Delay(TimeSpan.FromSeconds(delay), BITApp.CancellationTokenSource.Token);
                    ScrollToBottom(self);
                }
                catch (OperationCanceledException) { }
                catch (System.Exception)
                {
                    throw;
                }

            }
        }
    }
}