using Microsoft.Extensions.DependencyInjection;
using Newtonsoft.Json;
using RhSolutions.AddIn;
using RhSolutions.Models;
using System;
using System.Collections.Generic;
using System.Linq;
using System.Net.Http;
using System.Threading.Tasks;

namespace RhSolutions.Services
{
    public class RhDatabaseClient : IDatabaseClient
    {
        private IServiceProvider provider;

        public RhDatabaseClient(IServiceProvider provider)
        {
            this.provider = provider;    
        }

        public async Task<object> GetProduct(string line)
        {
            string request;

            if (Sku.TryParse(line, out var skus))
            {
                request = @"https://rh.cebotari.ru/api/products/" + skus.FirstOrDefault().ToString();
            }

            else
            {
                request = @"https://rh.cebotari.ru/api/search?query=" + line;
            }

            var client = provider.GetRequiredService<HttpClient>(); 
            var response = await client.GetAsync(request);

            try
            {
                response.EnsureSuccessStatusCode();
                string json = await response.Content.ReadAsStringAsync();
                var product = JsonConvert.DeserializeObject<IEnumerable<Product>>(json)
                    .FirstOrDefault();

                if (product == null)
                {
                    return null;
                }
                else
                {
                    return $"{product.ProductSku} {product.Name}";
                }
            }

            catch
            {
                return $"Ошибка сервера {response.StatusCode}";
            }
        }
    }
}