using System;
using System.Collections.Generic;
using System.Globalization;
using System.Linq;
using System.Net.Http.Json;
using System.Text.Json;
using System.Threading.Tasks;
using Commerce.Contracts.DTOs;
using Generic.Contracts.Generics;
using Generic.Services;

namespace ECommerceModule.Services;

public class ProductAPIConsumer
{
    private readonly HttpClient client;

    public ProductAPIConsumer(IHttpClientFactory httpClientFactory)
    {
        this.client = httpClientFactory.CreateClient("Commerce");
    }

    public virtual async Task<ProductVM> GetProduct(string id)
    {
        try
        {
            var culture = CultureInfo.CurrentUICulture.TwoLetterISOLanguageName ?? "ar";

            var response = await client.GetFromJsonAsync<ProductVM>($"product/{id}");
            return response!;
        }
        catch (HttpRequestException)
        {
            // _logger.LogError(ex, "GET request failed for endpoint: {Endpoint}", endpoint);
            throw;
        }
    }

    public virtual async Task<(List<ProductVM>, int)> FetchProduct(ProductFilter filter, Pagination pagination)
    {
        try
        {
            var culture = CultureInfo.CurrentUICulture.TwoLetterISOLanguageName ?? "ar";

            var filterWithCulture = new ProductFilter
            {
                Name = filter?.Name,
                Price = filter?.Price,
                Discount = filter?.Discount,
                IsBundle = filter?.IsBundle,
                CategoryId = filter?.CategoryId,
                Random = filter?.Random,
                Language = culture
            };

            var query = new AdvancedQueryBuilder()
                .AddPreText("products?")
                .AddModels(filterWithCulture, pagination)
                .ToString();

            var products = new List<ProductVM>();
            var response = await client.GetAsync(query);
            var itemsCount = 0;
            if (response.IsSuccessStatusCode)
            {
                if (response.Headers.TryGetValues("x-pagination", out var values))
                {
                    itemsCount = int.Parse(values.First());
                }
                products = await response.Content.ReadFromJsonAsync<List<ProductVM>>();
            }

            return (products ?? new List<ProductVM>(), itemsCount);
        }
        catch (HttpRequestException)
        {
            throw;
        }
    }

    // public virtual async Task<List<ProductVM>> GetRandomProducts()
    // {
    //     try
    //     {
    //         var response = await client.GetFromJsonAsync<List<ProductVM>>($"product/random");
    //         return response;
    //     }
    //     catch (HttpRequestException ex)
    //     {
    //         // _logger.LogError(ex, "GET request failed for endpoint: {Endpoint}", endpoint);
    //         throw;
    //     }
    // }

    public virtual async Task<bool> UpdateProduct(ProductVM product)
    {
        try
        {
            var response = await client.PutAsJsonAsync<ProductVM>(
                "product",
                product,
                new JsonSerializerOptions { PropertyNameCaseInsensitive = true }
            );
            return response.IsSuccessStatusCode;
        }
        catch (HttpRequestException)
        {
            // _logger.LogError(ex, "GET request failed for endpoint: Endpoint", endpoint);
            throw;
        }
    }

    public virtual async Task<bool> CreateProduct(ProductVM product)
    {
        try
        {
            var response = await client.PostAsJsonAsync<ProductVM>(
                "product",
                product,
                new JsonSerializerOptions { PropertyNameCaseInsensitive = true }
            );
            return response.IsSuccessStatusCode;
        }
        catch (HttpRequestException)
        {
            // _logger.LogError(ex, "GET request failed for endpoint: {Endpoint}", endpoint);
            throw;
        }
    }

    public virtual async Task<bool> DeleteProduct(string id)
    {
        try
        {
            var response = await client.DeleteAsync($"product/{id}");
            return response.IsSuccessStatusCode;
        }
        catch (HttpRequestException)
        {
            // _logger.LogError(ex, "GET request failed for endpoint: {Endpoint}", endpoint);
            throw;
        }
    }
}