using PlumbingRepairContracts.BindingModels;
using PlumbingRepairContracts.SearchModels;
using PlumbingRepairContracts.StoragesContracts;
using PlumbingRepairContracts.ViewModels;
using PlumbingRepairDataModels.Models;
using PlumbingRepairListImplement.Models;
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;

namespace PlumbingRepairListImplement.Implements
{
    public class StoreStorage : IStoreStorage
    {
        private readonly DataListSingleton _source;
        public StoreStorage()
        {
            _source = DataListSingleton.GetInstance();
        }
        public StoreViewModel? Delete(StoreBindingModel model)
        {
            for (int i = 0; i < _source.Stores.Count; ++i)
            {
                if (_source.Stores[i].Id == model.Id)
                {
                    var element = _source.Stores[i];
                    _source.Stores.RemoveAt(i);
                    return element.GetViewModel;
                }
            }
            return null;
        }

        public StoreViewModel? GetElement(StoreSearchModel model)
        {
            if (string.IsNullOrEmpty(model.StoreName) && !model.Id.HasValue)
            {
                return null;
            }

            foreach (var store in _source.Stores)
            {
                if ((!string.IsNullOrEmpty(model.StoreName) && store.StoreName == model.StoreName) || (model.Id.HasValue && store.Id == model.Id))
                {
                    return store.GetViewModel;
                }
            }

            return null;
        }

        public List<StoreViewModel> GetFilteredList(StoreSearchModel model)
        {
            var result = new List<StoreViewModel>();

            if (string.IsNullOrEmpty(model.StoreName))
            {
                return result;
            }

            foreach (var store in _source.Stores)
            {
                if (store.StoreName.Contains(model.StoreName))
                {
                    result.Add(store.GetViewModel);
                }
            }

            return result;
        }

        public List<StoreViewModel> GetFullList()
        {
            var result = new List<StoreViewModel>();

            foreach (var store in _source.Stores)
            {
                result.Add(store.GetViewModel);
            }

            return result;
        }

        public StoreViewModel? Insert(StoreBindingModel model)
        {
            model.Id = 1;

            foreach (var store in _source.Stores)
            {
                if (model.Id <= store.Id)
                {
                    model.Id = store.Id + 1;
                }
            }

            var newStore = Store.Create(model);

            if (newStore == null)
            {
                return null;
            }

            _source.Stores.Add(newStore);

            return newStore.GetViewModel;
        }
        public bool SellWork(IWorkModel model, int quantity)
        {
            throw new NotImplementedException();
        }
        public StoreViewModel? Update(StoreBindingModel model)
        {
            foreach (var store in _source.Stores)
            {
                if (store.Id == model.Id)
                {
                    store.Update(model);
                    return store.GetViewModel;
                }
            }

            return null;
        }
    }
}