using System;
using System.Collections.Generic;
using System.Linq;
using System.Reflection;
using System.Text;
using System.Threading.Tasks;

namespace WIDESEAWCS_Core.Helper
{
    public static class ObjectExtension
    {
        public static IEnumerable<T> DicToIEnumerable<T>(this List<Dictionary<string, object>> dicList)
        {
            foreach (Dictionary<string, object> dic in dicList)
            {
                T model = Activator.CreateInstance<T>();
                foreach (PropertyInfo property in model.GetType().GetProperties(BindingFlags.GetProperty | BindingFlags.Public | BindingFlags.Instance))
                {
                    if (!dic.TryGetValue(property.Name, out object value)) continue;
                    property.SetValue(model, value?.ToString().ChangeType(property.PropertyType), null);
                }
                yield return model;
            }
        }

        public static T DicToModel<T>(this Dictionary<string, object> dic)
        {
            T model = Activator.CreateInstance<T>();
            PropertyInfo[] propertyInfos = typeof(T).GetProperties(BindingFlags.GetProperty | BindingFlags.Public | BindingFlags.Instance);
            foreach (var property in propertyInfos)
            {
                object value = null;
                if (!dic.TryGetValue(property.Name, out value)) 
                {
                    if (!dic.TryGetValue(property.Name.FirstLetterToUpper(), out value))
                    {
                        if (!dic.TryGetValue(property.Name.FirstLetterToLower(), out value))
                        {
                            continue;
                        }
                    }
                };
                property.SetValue(model, value?.ToString().ChangeType(property.PropertyType));
            }
            return model;
        }
    }
}