namespace TaxBaik.Web.Services;

using System.Net.Http.Json;
using TaxBaik.Domain.Entities;

/// <summary>
/// Inquiry API Client for Admin Blazor
/// SOLID: Single Responsibility - Inquiry API calls only
/// Dependency Inversion - abstraction via interface
/// </summary>
public interface IInquiryBrowserClient
{
    Task<(IEnumerable<Inquiry> Items, int Total)> GetPagedAsync(int page = 1, int pageSize = 20, CancellationToken ct = default);
    Task<Inquiry?> GetByIdAsync(int id, CancellationToken ct = default);
    Task<bool> UpdateStatusAsync(int id, string status, CancellationToken ct = default);
}

public class InquiryBrowserClient : IInquiryBrowserClient
{
    private readonly HttpClient _http;
    private readonly ILogger<InquiryBrowserClient> _logger;

    public InquiryBrowserClient(HttpClient http, ILogger<InquiryBrowserClient> logger)
    {
        _http = http;
        _logger = logger;
    }

    public async Task<(IEnumerable<Inquiry> Items, int Total)> GetPagedAsync(
        int page = 1, int pageSize = 20, CancellationToken ct = default)
    {
        try
        {
            var result = await _http.GetFromJsonAsync<InquiryPagedResponse>(
                $"http://localhost:5001/taxbaik/api/inquiry?page={page}&pageSize={pageSize}",
                cancellationToken: ct);

            return result != null
                ? (result.Data, result.Total)
                : ([], 0);
        }
        catch (HttpRequestException ex)
        {
            _logger.LogError(ex, "Failed to fetch inquiries");
            throw;
        }
    }

    public async Task<Inquiry?> GetByIdAsync(int id, CancellationToken ct = default)
    {
        try
        {
            return await _http.GetFromJsonAsync<Inquiry>(
                $"http://localhost:5001/taxbaik/api/inquiry/{id}",
                cancellationToken: ct);
        }
        catch (HttpRequestException ex)
        {
            _logger.LogError(ex, "Failed to fetch inquiry {InquiryId}", id);
            throw;
        }
    }

    public async Task<bool> UpdateStatusAsync(int id, string status, CancellationToken ct = default)
    {
        try
        {
            var request = new { status };
            var response = await _http.PutAsJsonAsync(
                $"http://localhost:5001/taxbaik/api/inquiry/{id}/status",
                request,
                cancellationToken: ct);

            return response.IsSuccessStatusCode;
        }
        catch (HttpRequestException ex)
        {
            _logger.LogError(ex, "Failed to update inquiry {InquiryId} status", id);
            throw;
        }
    }

    private class InquiryPagedResponse
    {
        public List<Inquiry> Data { get; set; } = [];
        public int Total { get; set; }
        public int Page { get; set; }
        public int PageSize { get; set; }
    }
}