using Microsoft.AspNetCore.Mvc.ModelBinding;
using Microsoft.Extensions.DependencyModel;
using Microsoft.IdentityModel.Tokens;
using OfficeOpenXml.FormulaParsing.Excel.Functions.DateTime;
using OfficeOpenXml.FormulaParsing.Excel.Functions.Text;
using SqlSugar;
using System;
using System.Collections;
using System.Collections.Generic;
using System.Linq;
using System.Reflection;
using System.Text;
using System.Threading.Tasks;
using WIDESEA_Core.Attributes;
using WIDESEA_Core.Helper;

namespace WIDESEA_Core.Utilities
{
    public class ModelValidate
    {
        /// <summary>
        /// 验证实体参数
        /// </summary>
        /// <typeparam name="T"></typeparam>
        /// <param name="data"></param>
        /// <returns></returns>
        public static (bool, string, object?) ValidateModelData<T>(T data) where T : class, new()
        {
            Type modelType = typeof(T);
            if (data == null) return (false, "传入参数不可为null", data);
            ModelValidateAttribute? modelAttribute = modelType.GetCustomAttribute<ModelValidateAttribute>();
            if (modelAttribute == null) return (false, $"{modelType.Name}未定义【ModelValidateAttribute】特性", data);
            PropertyInfo[] propertyInfos = modelType.GetProperties();
            return SimpleValidate(propertyInfos, data);
        }

        public static (bool, string, object?) ValidateModelData(object data, Type type)
        {
            if (data == null) return (false, "传入参数不可为null", data);
            ModelValidateAttribute? modelAttribute = type.GetCustomAttribute<ModelValidateAttribute>();
            if (modelAttribute == null) return (false, $"{type.Name}未定义【ModelValidateAttribute】特性", data);
            PropertyInfo[] propertyInfos = type.GetProperties();
            return SimpleValidate(propertyInfos, data);
        }

        /// <summary>
        /// 验证实体参数
        /// </summary>
        /// <typeparam name="T"></typeparam>
        /// <param name="data"></param>
        /// <returns></returns>
        public static (bool, string, object?) ValidateModelData<T>(List<T> datas) where T : class, new()
        {
            Type modelType = typeof(T);
            if (datas == null) return (false, "传入参数不可为null", datas);
            if (datas.Count == 0) return (false, "集合个数不可等于0", datas);
            foreach (T data in datas)
            {
                if (data == null) return (false, "传入参数不可为null", data);
                ModelValidateAttribute? modelAttribute = modelType.GetCustomAttribute<ModelValidateAttribute>();
                if (modelAttribute == null) return (false, $"{modelType.Name}未定义【ModelValidateAttribute】特性", data);
                PropertyInfo[] propertyInfos = modelType.GetProperties();
                (bool, string, object?) result = SimpleValidate(propertyInfos, data);
                if (!result.Item1) return result;
            }

            return (true, $"成功", datas);
        }

        private static (bool, string, object?) SimpleValidate<T>(PropertyInfo[] propertyInfos, T data) where T : class, new()
        {
            try
            {
                foreach (PropertyInfo propertyInfo in propertyInfos)
                {
                    PropertyValidateAttribute? propertyAttribute = propertyInfo.GetCustomAttribute<PropertyValidateAttribute>();
                    if (propertyAttribute == null) continue;

                    object? value = propertyInfo.GetValue(data, null);
                    if (value is IList)
                    {
                        IList list = (IList)value;
                        Type? t = list.GetType().GetGenericArguments().FirstOrDefault();
                        if (t != null && t.IsClass)
                        {
                            foreach (var item in list)
                            {
                                (bool, string, object?) result = ValidateModelData(item, t);
                                if (!result.Item1) return result;
                            }
                        }
                    }

                    if (propertyAttribute.NotNullAndEmpty)
                    {
                        if (value == null) return (false, $"{(string.IsNullOrEmpty(propertyAttribute.Description) ? propertyInfo.Name : propertyAttribute.Description)}({propertyInfo.Name})不可为null", data);
                        if (string.IsNullOrEmpty(value.ToString())) return (false, $"{(string.IsNullOrEmpty(propertyAttribute.Description) ? propertyInfo.Name : propertyAttribute.Description)}({propertyInfo.Name})不可为空字符串", data);
                    }

                    if (propertyAttribute.MinValue > int.MinValue)
                    {
                        if (value == null) return (false, $"{(string.IsNullOrEmpty(propertyAttribute.Description) ? propertyInfo.Name : propertyAttribute.Description)}({propertyInfo.Name})不可为null", data);
                        if (propertyAttribute.IsContainMinValue)
                        {
                            if (Convert.ToInt32(value.ToString()) < propertyAttribute.MinValue) return (false, $"{(string.IsNullOrEmpty(propertyAttribute.Description) ? propertyInfo.Name : propertyAttribute.Description)}({propertyInfo.Name})的值【{value}】不可小于【{propertyAttribute.MinValue}】", data);
                        }
                        else
                        {
                            if (Convert.ToInt32(value.ToString()) <= propertyAttribute.MinValue) return (false, $"{(string.IsNullOrEmpty(propertyAttribute.Description) ? propertyInfo.Name : propertyAttribute.Description)}({propertyInfo.Name})的值【{value}】要大于【{propertyAttribute.MinValue}】", data);
                        }
                    }

                    if (propertyAttribute.MaxValue < int.MaxValue)
                    {
                        if (value == null) return (false, $"{(string.IsNullOrEmpty(propertyAttribute.Description) ? propertyInfo.Name : propertyAttribute.Description)}({propertyInfo.Name})不可为null", data);
                        if (propertyAttribute.IsContainMaxValue)
                        {
                            if (Convert.ToInt32(value.ToString()) >= propertyAttribute.MaxValue) return (false, $"{(string.IsNullOrEmpty(propertyAttribute.Description) ? propertyInfo.Name : propertyAttribute.Description)}({propertyInfo.Name})的值【{value}】不可大于【{propertyAttribute.MaxValue}】", data);
                        }
                        else
                        {
                            if (Convert.ToInt32(value.ToString()) > propertyAttribute.MaxValue) return (false, $"{(string.IsNullOrEmpty(propertyAttribute.Description) ? propertyInfo.Name : propertyAttribute.Description)}({propertyInfo.Name})的值【{value}】要小于【{propertyAttribute.MaxValue}】", data);
                        }
                    }

                    if (!string.IsNullOrEmpty(propertyAttribute.NotNullAndEmptyWithProperty))
                    {
                        PropertyInfo? property = propertyInfos.FirstOrDefault(x => x.Name == propertyAttribute.NotNullAndEmptyWithProperty);
                        if (property != null)
                        {
                            object? tempValue = property.GetValue(data);
                            if (tempValue != null && !string.IsNullOrEmpty(tempValue.ToString()))
                            {
                                Type[] types = propertyInfo.PropertyType.GenericTypeArguments;
                                if (types.Length == 1)
                                {
                                    string str = value.Serialize();
                                    if (str == "[]")
                                    {
                                        return (false, $"【{property.Name}】属性的值非空时【{propertyInfo.Name}】属性的值也不可为空", data);
                                    }
                                }
                                else if (types.Length == 0)
                                {
                                    if (value == null)
                                    {
                                        return (false, $"【{property.Name}】属性的值非空时【{propertyInfo.Name}】属性的值也不可为空", data);
                                    }
                                }

                            }
                        }
                        else
                        {
                            return (false, $"未找到【{propertyInfo.Name}】特性属性【{propertyAttribute.NotNullAndEmptyWithProperty}】", data);
                        }
                    }

                    if (propertyAttribute.NotNullAndEmptyWithPropertyAndValue != null && propertyAttribute.NotNullAndEmptyWithPropertyAndValue.Length == 2)
                    {
                        PropertyInfo? property = propertyInfos.FirstOrDefault(x => x.Name == propertyAttribute.NotNullAndEmptyWithPropertyAndValue[0]);
                        if (property != null)
                        {
                            object? tempValue = property.GetValue(data);
                            if (tempValue != null && !string.IsNullOrEmpty(tempValue.ToString()))
                            {
                                Type[] types = propertyInfo.PropertyType.GenericTypeArguments;
                                if (types.Length == 1)
                                {
                                    if (tempValue.ChangeType(property.PropertyType).ToString() == propertyAttribute.NotNullAndEmptyWithPropertyAndValue[1].ChangeType(property.PropertyType).ToString())
                                    {
                                        string str = value.Serialize();

                                        if (typeof(IList).IsAssignableFrom(property.PropertyType) && str == "[]")
                                        {
                                            return (false, $"【{property.Name}】属性的值为【{propertyAttribute.NotNullAndEmptyWithPropertyAndValue[1]}】时【{propertyInfo.Name}】属性的值不可为空", data);
                                        }
                                        else if (property.PropertyType.IsArray && str == "[]")
                                        {
                                            return (false, $"【{property.Name}】属性的值为【{propertyAttribute.NotNullAndEmptyWithPropertyAndValue[1]}】时【{propertyInfo.Name}】属性的值不可为空", data);
                                        }
                                    }
                                }
                                else if (types.Length == 0)
                                {
                                    if (tempValue.ChangeType(property.PropertyType).ToString() == propertyAttribute.NotNullAndEmptyWithPropertyAndValue[1].ChangeType(property.PropertyType).ToString() && value == null && string.IsNullOrEmpty(value.ToString()))
                                    {
                                        return (false, $"【{property.Name}】属性的值为【{propertyAttribute.NotNullAndEmptyWithPropertyAndValue[1]}】时【{propertyInfo.Name}】属性的值不可为空", data);
                                    }
                                }
                            }
                        }
                        else
                        {
                            return (false, $"未找到属性【{propertyAttribute.NotNullAndEmptyWithProperty}】", data);
                        }
                    }

                    if (propertyAttribute.Check != null && propertyAttribute.Check.Length > 0)
                    {
                        if (value == null) return (false, $"{(string.IsNullOrEmpty(propertyAttribute.Description) ? propertyInfo.Name : propertyAttribute.Description)}({propertyInfo.Name})不可为null", data);
                        if (propertyAttribute.Check.FirstOrDefault(x => x.ToString() == value.ToString()) == null) return (false, $"{(string.IsNullOrEmpty(propertyAttribute.Description) ? propertyInfo.Name : propertyAttribute.Description)}({propertyInfo.Name})使用了Check约束，传入的值不在{propertyAttribute.Check.Serialize()}中", data);
                    }

                    if (!string.IsNullOrEmpty(propertyAttribute.StartWith) && !string.IsNullOrWhiteSpace(propertyAttribute.EndWith))
                    {
                        if (value == null) return (false, $"{(string.IsNullOrEmpty(propertyAttribute.Description) ? propertyInfo.Name : propertyAttribute.Description)}({propertyInfo.Name})不可为null", data);
                        else
                        {
                            if (value.ToString().StartsWith(propertyAttribute.StartWith.Trim())) return (false, $"{(string.IsNullOrEmpty(propertyAttribute.Description) ? propertyInfo.Name : propertyAttribute.Description)}({propertyInfo.Name})必须以{propertyAttribute.StartWith}开头", data);
                        }
                    }

                    if (!string.IsNullOrEmpty(propertyAttribute.EndWith) && !string.IsNullOrWhiteSpace(propertyAttribute.EndWith))
                    {
                        if (value == null) return (false, $"{(string.IsNullOrEmpty(propertyAttribute.Description) ? propertyInfo.Name : propertyAttribute.Description)}({propertyInfo.Name})不可为null", data);
                        else
                        {
                            if (value.ToString().EndsWith(propertyAttribute.EndWith.Trim())) return (false, $"{(string.IsNullOrEmpty(propertyAttribute.Description) ? propertyInfo.Name : propertyAttribute.Description)}({propertyInfo.Name})必须以{propertyAttribute.EndWith}结尾", data);
                        }
                    }

                    if (propertyAttribute.MaxLength > propertyAttribute.MinLength && propertyAttribute.MinLength > 0)
                    {
                        if (value == null) return (false, $"{(string.IsNullOrEmpty(propertyAttribute.Description) ? propertyInfo.Name : propertyAttribute.Description)}不可为null", data);
                        if (value.ToString().Length > propertyAttribute.MaxLength) return (false, $"{(string.IsNullOrEmpty(propertyAttribute.Description) ? propertyInfo.Name : propertyAttribute.Description)}的值超出最大长度【{propertyAttribute.MaxLength}】，数据:{value}", data);

                        if (value.ToString().Length < propertyAttribute.MinLength) return (false, $"{(string.IsNullOrEmpty(propertyAttribute.Description) ? propertyInfo.Name : propertyAttribute.Description)}的值小于最小长度【{propertyAttribute.MinLength}】，数据:{value}", data);
                    }
                }
            }
            catch (Exception ex)
            {
                return (false, $"数据验证异常,异常信息:{ex.Message}", data);
            }
            return (true, "验证成功", data);
        }
    }
}