using System.Text.Json;
using BimAI.Application.DTOModels;
using BimAI.Application.DTOModels.Common;
using Microsoft.AspNetCore.WebUtilities;

namespace BimAI.UI.Shared.Services;

public class InvoiceService(HttpClient httpClient)
{
    private readonly HttpClient _httpClient = httpClient;
    private readonly JsonSerializerOptions _jsonOptions = new()
    {
        PropertyNameCaseInsensitive = true
    };

    public async Task<PagedResult<InvoiceDto>> GetInvoiceAsync(InvoiceFilterRequest request)
    {
        var queryParams = new Dictionary<string, string?>
        {
            ["page"] = request.Page.ToString(),
            ["pageSize"] = request.PageSize.ToString(),
        };

        if (!string.IsNullOrWhiteSpace(request.Search))
        {
            queryParams["search"] = request.Search;
        }
        if (!string.IsNullOrWhiteSpace(request.ClientName))
        {
            queryParams["clientName"] = request.ClientName;
        }
        if (!string.IsNullOrWhiteSpace(request.Type))
        {
            queryParams["type"] = request.Type;
        }
        if (!string.IsNullOrWhiteSpace(request.DocumentNo))
        {
            queryParams["documentNo"] = request.DocumentNo;
        }
        if (request.RegisterDateFrom.HasValue)
        {
            queryParams["registerDateFrom"] = request.RegisterDateFrom.Value.ToString("yyyy-MM-dd");;
        }
        if (request.RegisterDateTo.HasValue)
        {
            queryParams["registerDateTo"] = request.RegisterDateTo.Value.ToString("yyyy-MM-dd");
        }
        if (request.SellDateFrom.HasValue)
        {
            queryParams["sellDateFrom"] = request.SellDateFrom.Value.ToString("yyyy-MM-dd");
        }
        if (request.SellDateTo.HasValue)
        {
            queryParams["sellDateTo"] = request.SellDateTo.Value.ToString("yyyy-MM-dd");
        }
        var uri = QueryHelpers.AddQueryString("api/invoice", queryParams);

        var response = await _httpClient.GetAsync(uri);

        if (!response.IsSuccessStatusCode)
        {
            var errorContent = await response.Content.ReadAsStringAsync();
        }

        response.EnsureSuccessStatusCode();

        var json = await response.Content.ReadAsStringAsync();

        var result = JsonSerializer.Deserialize<PagedResult<InvoiceDto>>(json, _jsonOptions);
        
        return result ?? new PagedResult<InvoiceDto>();
    }
}