using Microsoft.EntityFrameworkCore;
using Microsoft.Extensions.Logging;
using PartSource.Automation.Models.Jobs;
using PartSource.Automation.Services;
using PartSource.Data.Contexts;
using PartSource.Data.Models;
using Ratermania.Automation.Interfaces;
using Ratermania.Shopify;
using Ratermania.Shopify.Resources;
using Ratermania.Shopify.Resources.Enums;
using System;
using System.Collections.Generic;
using System.IO;
using System.Linq;
using System.Net.Mail;
using System.Threading;
using System.Threading.Tasks;

namespace PartSource.Automation.Jobs
{
    public class PartsSync : IAutomationJob
    {
        private readonly ILogger<UpdatePricing> _logger;
        private readonly FitmentContext _fitmentContext;
        private readonly ShopifyClient _shopifyClient;

        public PartsSync(ILogger<UpdatePricing> logger, FitmentContext fitmentContext, ShopifyClient shopifyClient)
        {
            _logger = logger;
            _fitmentContext = fitmentContext;
            _shopifyClient = shopifyClient;
        }

        public async Task Run(CancellationToken token, params string[] arguments)
        {
            IEnumerable<Product> products = await _shopifyClient.Products.Get(new Dictionary<string, object> { { "limit", 250 } });

            while (products != null && products.Any())
            {

                foreach (Product product in products)
                {
                    try
                    {
                        IEnumerable<Metafield> metafields = await _shopifyClient.Metafields.Get(new Dictionary<string, object> { { "metafield[owner_id]", product.Id }, { "metafield[owner_resource]", "product" } });
                        Part part = new Part
                        {
                            LineCode = metafields.FirstOrDefault(m => m.Key == "custom_label_0")?.Value ?? string.Empty,
                            PartNumber = metafields.FirstOrDefault(m => m.Key == "custom_label_1")?.Value ?? string.Empty,
                            Sku = product.Variants[0].Sku  // They know we can't do fitment for variants
                        };

                        // part.PartNumber = part.PartNumber.Replace("-", string.Empty);

                        if (
                            string.IsNullOrEmpty(part.LineCode)
                            || string.IsNullOrEmpty(part.PartNumber)
                            || int.TryParse(part.LineCode, out _)) //If the line code is numeric, it cannot have fitment data associated with it.
                        {
                            continue;
                        }

                        Part? existing = await _fitmentContext.Parts.FirstOrDefaultAsync(p => p.Sku == part.Sku);
                        if (existing == null)
                        {
                            await _fitmentContext.Parts.AddAsync(part);
                            await _fitmentContext.SaveChangesAsync();
                        }
                    }

                    catch (Exception ex)
                    {
                        _logger.LogInformation(ex.Message);
                    }
                }
                   
                try
                {
                    products = await _shopifyClient.Products.GetNext();
                }

                catch (Exception ex)
                {
                    _logger.LogInformation(ex.Message);
                }
            }
        }
    }
}