using System;
using System.Collections.Generic;
using System.Linq;
using System.Threading.Tasks;
using Microsoft.AspNetCore.Components;
using GWMS.UI.Components;
using GWMS.UI.Data;
using GWMS.Data.DatabaseModels;
using GWMS.Data.DTO;

namespace GWMS.UI.Components
{
    public partial class OrderLoad : ComponentBase
    {
        #region Private Fields

        private PlantDTO currPlantData = null;
        private List<PlantDTO> plantsData = new List<PlantDTO>();

        #endregion Private Fields

        #region Protected Fields

        protected OrderModel _currItem = new OrderModel();

        #endregion Protected Fields

        #region Protected Properties

        [Inject]
        protected GWMSDataService DataService { get; set; }

        /// <summary>
        /// verifica correttezza plant/ordine
        /// </summary>
        protected bool plantCorrect
        {
            get
            {
                bool answ = !string.IsNullOrEmpty(_orderCode);
                try
                {
                    if (answ)
                    {
                        answ = _orderCode.StartsWith($"O{currPlantData.PlantCode}");
                    }
                }
                catch
                {
                    answ = false;
                }
                return answ;
            }
        }

        protected bool showEnd
        {
            get
            {
                bool answ = (PlantId > 0);
                if (answ)
                {
                    if (_currItem != null)
                    {
                        DateTime oggi = DateTime.Today;
                        answ = _currItem.DtExecStart.Year > 1 && _currItem.DtExecEnd.Year <= 1;
                        // se visibile --> calcolo valore execution!
                        if (answ && _currItem.ExecutionQty < 1)
                        {
                            _currItem.ExecutionQty = Math.Ceiling((currPlantData.LevelAct - _currItem.LevelStart) / 100) * 100;
                        }
                    }
                }
                return answ;
            }
        }

        protected bool showStart
        {
            get
            {
                bool answ = (PlantId > 0);
                if (answ)
                {
                    if (_currItem != null)
                    {
                        answ = _currItem.DtExecStart.Year <= 1;
                    }
                }
                return answ;
            }
        }

        #endregion Protected Properties

        #region Public Properties

        public string _orderCode { get; set; } = "";

        public int _plantId { get; set; } = 0;

        [Parameter]
        public OrderModel currItem
        {
            get
            {
                return _currItem;
            }
            set
            {
                _currItem = value;
            }
        }

        [Parameter]
        public EventCallback<bool> loadCompleted { get; set; }

        [Parameter]
        public string OrderCode
        {
            get
            {
                return _orderCode;
            }
            set
            {
                _orderCode = value;
                var pUpd = Task.Run(async () => await ReloadData());
                pUpd.Wait();
            }
        }

        [Parameter]
        public int PlantId
        {
            get
            {
                return _plantId;
            }
            set
            {
                _plantId = value;
                var pUpd = Task.Run(async () => await ReloadData());
                pUpd.Wait();
            }
        }

        #endregion Public Properties

        #region Private Methods

        private async Task ReloadData()
        {
            plantsData = await DataService.PlantDtoGetAll();
            // recupero dato del plant corrente
            currPlantData = plantsData.Where(x => x.PlantId == PlantId).FirstOrDefault();
            // solo se ho valore QR selezionato
            if (!string.IsNullOrEmpty(OrderCode))
            {
                currItem = await DataService.OrderGetByCode(OrderCode);
            }
            else
            {
                currItem = null;
            }
        }

        #endregion Private Methods

        #region Protected Methods

        protected async Task RefillEnd()
        {
            if (currPlantData != null)
            {
                // aggiorno il record corrente con livello e dataora inizio carico...
                _currItem.LevelEnd = currPlantData.LevelAct;
                _currItem.DtExecEnd = DateTime.Now;
            }

            // salvo...
            await DataService.OrderUpdate(_currItem);

            // segnalo completato
            await loadCompleted.InvokeAsync(true);
        }

        protected async Task RefillStart()
        {
            if (currPlantData != null)
            {
                // aggiorno il record corrente con livello e dataora inizio carico...
                _currItem.LevelStart = currPlantData.LevelAct;
                _currItem.DtExecStart = DateTime.Now;
            }

            // salvo...
            await DataService.OrderUpdate(_currItem);
        }

        #endregion Protected Methods
    }
}