using Newtonsoft.Json;
using PartSource.Automation.Jobs.Interfaces;
using PartSource.Automation.Models;
using PartSource.Data;
using PartSource.Data.Models;
using PartSource.Data.Shopify;
using PartSource.Services;
using PartSource.Services.Integrations;
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;

namespace PartSource.Automation.Jobs
{
	public class UpdatePositioning : IAutomationJob
	{
		private readonly ShopifyClient _shopifyClient;
		private readonly PartSourceContext _partSourceContext;
		private readonly VehicleService _vehicleService;

		public UpdatePositioning(PartSourceContext partSourceContext, ShopifyClient shopifyClient, VehicleService vehicleService)
		{
			_partSourceContext = partSourceContext;
			_shopifyClient = shopifyClient;
			_vehicleService = vehicleService;
		}

		public async Task<AutomationJobResult> Run()
		{
			IEnumerable<Product> products = await _shopifyClient.Products.Get();

			while (products != null && products.Any())
			{
				foreach (Product product in products)
				{
					try
					{
						ImportData importData = _partSourceContext.ImportData.FirstOrDefault(i => i.VariantSku == product.Variants[0].Sku);
						IList<VehicleData> vehicles = _vehicleService.GetVehiclesForPart(importData?.PartNumber, importData?.LineCode);

						if (vehicles.Count > 0)
						{
							bool isFitment = false;

							IList<int> vehicleIdFitment = _vehicleService.GetVehicleIdFitment(vehicles);
							if (vehicleIdFitment.Count > 0)
							{
								isFitment = true;

								string json = JsonConvert.SerializeObject(vehicleIdFitment);
								if (json.Length >= 100000)
								{
									continue;
								}

								Metafield vehicleMetafield = new Metafield
								{
									Namespace = "fitment",
									Key = "ids",
									Value = json,
									ValueType = "json_string",
									OwnerResource = "product",
									OwnerId = product.Id
								};

								await _shopifyClient.Metafields.Add(vehicleMetafield);
							}

							IList<string> ymmFitment = _vehicleService.GetYmmFitment(vehicles);
							if (ymmFitment.Count > 0)
							{
								isFitment = true;

								string json = JsonConvert.SerializeObject(ymmFitment);
								if (json.Length >= 100000)
								{
									continue;
								}

								Metafield ymmMetafield = new Metafield
								{
									Namespace = "fitment",
									Key = "seo",
									Value = json,
									ValueType = "json_string",
									OwnerResource = "product",
									OwnerId = product.Id
								};

								await _shopifyClient.Metafields.Add(ymmMetafield);
							}

							Metafield isFitmentMetafield = new Metafield
							{
								Namespace = "Flags",
								Key = "IsFitment",
								Value = isFitment.ToString(),
								ValueType = "string",
								OwnerResource = "product",
								OwnerId = product.Id
							};

							await _shopifyClient.Metafields.Add(isFitmentMetafield);
						}
					}


					catch
					{
						Console.WriteLine(product.Id);
					}
				}

				try
				{
					Console.Write('.');

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

				catch (Exception ex)
				{
					products = await _shopifyClient.Products.GetNext();
				}
			}

			return new AutomationJobResult
			{
				Message = "Fitment updated successfully",
				IsSuccess = true
			};
		}
	}
}