using Blazored.LocalStorage;
using Microsoft.AspNetCore.Components;
using MP.Data.DTO;
using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.IO;
using System.Linq;
using System.Threading.Tasks;

namespace MP.Data
{
    public class Utils
    {
        #region Public Properties
        

        public static string redKeyArtUsed
        {
            get => RedHash($"CACHE:CheckArtUsed");
        }

        public static string redKeyTabCheckArt
        {
            get => RedHash($"CACHE:TabCheckArt");
        }

        #endregion Public Properties

        #region Public Methods

        public static string ConvMinToTime(double minutes)
        {
            // FIXME TODO: da rendere parametrico da appsettings.json...
            var ts = TimeSpan.FromMinutes(minutes);
            string answ = $"{ts.Hours:00}:{ts.Minutes:00}:{ts.Seconds:00}"; //.{ts.Milliseconds}
            return answ;
        }

        public static string ConvMsecToTime(long milliseconds)
        {
            // FIXME TODO: da rendere parametrico da appsettings.json...
            var ts = TimeSpan.FromMilliseconds(milliseconds);
            string answ = $"{ts.Hours:00}:{ts.Minutes:00}:{ts.Seconds:00}"; //.{ts.Milliseconds}
            return answ;
        }

        /// <summary>
        /// Nome della variabile HASH da utilizzare (dato CodModulo / Server / DB impiegato da
        /// funzionalita' DbConfig) + keyName richiesto...
        /// </summary>
        public static string RedHash(string keyName)
        {
            string answ = keyName;
            try
            {
                answ = $"MP:Data:{keyName}";
            }
            catch
            { }
            return answ;
        }

        /// <summary>
        /// Effettua salvataggio in file di un generico oggetto in formato CSV
        /// </summary>
        /// <typeparam name="T"></typeparam>
        /// <param name="reportData"></param>
        /// <param name="path"></param>
        /// <param name="separator">Separatore da impiegare</param>
        /// <returns></returns>
        public static async Task SaveToCsv<T>(List<T> reportData, string path, char separator)
        {
            var lines = new List<string>();
            IEnumerable<PropertyDescriptor> props = TypeDescriptor.GetProperties(typeof(T)).OfType<PropertyDescriptor>();
            var header = string.Join(";", props.ToList().Select(x => x.Name));
            lines.Add(header);
            var valueLines = reportData.Select(row => string.Join(separator, header.Split(separator).Select(a => row.GetType().GetProperty(a).GetValue(row, null))));
            //var valueLines = reportData.Select(row => string.Join(";", header.Split(';').Select(a => row.GetType().GetProperty(a).GetValue(row, null))));
            lines.AddRange(valueLines);
            await Task.Run(() => File.WriteAllLines(path, lines.ToArray()));
        }

        /// <summary>
        /// Inizializzazione con periodo e arrotondamento
        /// </summary>
        /// <param name="minRound"></param>
        /// <returns></returns>
        public static DateTime InitDatetime(DateTime dtRif, int minRound)
        {
            TimeSpan DayElapsed = dtRif.Subtract(dtRif.Date);
            int minDay = (int)Math.Ceiling((double)(DayElapsed.TotalMinutes / minRound)) * minRound;
            DateTime endRounded = DateTime.Today.AddMinutes(minDay);
            return endRounded;
        }

        public static string FormDurata(double durataMinuti)
        {
            string answ = "";
            TimeSpan tsDurata = TimeSpan.FromMinutes(durataMinuti);
            if (tsDurata.TotalDays < 1)
            {
                answ = $"{tsDurata.Hours:00}h {tsDurata.Minutes:00}'";
            }
            else
            {
                answ = $"{tsDurata.Days}gg {tsDurata.Hours:00}h";
            }
            return answ;
        }

        #endregion Public Methods
    }
}