using System;
using System.Collections.Generic;
using System.Net.Http;
using System.Text.Json;
using Props.Shop.Adafruit.Api;
using Props.Shop.Framework;

namespace Props.Shop.Adafruit
{
    public class AdafruitShop : IShop
    {
        private ProductListingManager productListingManager;
        private Configuration configuration;
        private HttpClient http;
        private bool disposedValue;

        public string ShopName => "Adafruit";

        public string ShopDescription => "A electronic component online hardware company.";

        public string ShopModuleAuthor => "Reslate";

        public SupportedFeatures SupportedFeatures => new SupportedFeatures(
            false,
            false,
            false,
            false,
            true
        );

        public byte[] GetDataForPersistence()
        {
            return JsonSerializer.SerializeToUtf8Bytes(configuration);
        }

        public IEnumerable<IOption> Initialize(byte[] data)
        {
            http = new HttpClient();
            http.BaseAddress = new Uri("http://www.adafruit.com/api");
            configuration = JsonSerializer.Deserialize<Configuration>(data);
            this.productListingManager = new ProductListingManager();
            return null;
        }

        public IAsyncEnumerable<ProductListing> Search(string query, Filters filters)
        {
            return productListingManager.Search(query, configuration.Similarity, http);
        }

        protected virtual void Dispose(bool disposing)
        {
            if (!disposedValue)
            {
                if (disposing)
                {
                    http.Dispose();
                }
                disposedValue = true;
            }
        }

        public void Dispose()
        {
            Dispose(disposing: true);
            GC.SuppressFinalize(this);
        }
    }
}