using Ratermania.Automation.Interfaces;
using PartSource.Automation.Models;
using System;
using System.Collections.Generic;
using System.Text;
using System.Threading.Tasks;
using Microsoft.Extensions.Logging;
using PartSource.Data;
using PartSource.Services;
using Ratermania.Shopify;
using Ratermania.Shopify.Resources;
using PartSource.Data.Models;
using System.Linq;
using Microsoft.EntityFrameworkCore;

namespace PartSource.Automation.Jobs
{
	/// <summary>
	/// Ensures syncronization between Shopify IDs and Partsource SKUs
	/// </summary>
	public class SyncronizeProducts : IAutomationJob
	{
		private readonly PartSourceContext _partSourceContext;
		private readonly ShopifyClient _shopifyClient;
		private readonly ILogger<TestJob> _logger;

		public SyncronizeProducts(ILogger<TestJob> logger, PartSourceContext partSourceContext, ShopifyClient shopifyClient)
		{
			_partSourceContext = partSourceContext;
			_shopifyClient = shopifyClient;
			_logger = logger;
		}


		public async Task Run()
		{
			IList<ImportData> importData = _partSourceContext.ImportData.FromSql<ImportData>($"SELECT * FROM ImportDataFilters").ToList();

			IEnumerable<Product> products = await _shopifyClient.Products.Get(new Dictionary<string, object> { { "limit", 250 } });

			while (products?.Any() == true)
			{

				foreach (Product product in products)
				{
					foreach (Variant variant in product.Variants)
					{
						ImportData item = importData.FirstOrDefault(i => i.VariantSku == variant.Sku);

						if (item != null)
						{
							_partSourceContext.Database.ExecuteSqlCommand($"UPDATE ImportDataFilters SET ShopifyId = {product.Id} WHERE VariantSku = {variant.Sku}");
						}
					}
				}

				try
				{
					_logger.LogInformation("Did 250");
					//await _partSourceContext.SaveChangesAsync();
				}

				catch
				{
					Console.WriteLine("Failed to save a batch of products");
				}

				finally
				{
					products = await _shopifyClient.Products.GetNext();
				}
			}
		}
	}
}