using System.Text.Json;
using OpenQuery.Models;

namespace OpenQuery.Services;

public class SearxngClient
{
    private readonly HttpClient _httpClient;
    private readonly string _baseUrl;

    public SearxngClient(string baseUrl)
    {
        _baseUrl = baseUrl.TrimEnd('/');
        _httpClient = new HttpClient();
    }

    public async Task<List<SearxngResult>> SearchAsync(string query, int limit = 10)
    {
        var encodedQuery = Uri.EscapeDataString(query);
        var url = $"{_baseUrl}/search?q={encodedQuery}&format=json";

        var response = await _httpClient.GetAsync(url);
        response.EnsureSuccessStatusCode();

        var json = await response.Content.ReadAsStringAsync();
        var results = JsonSerializer.Deserialize<SearxngRoot>(json, AppJsonContext.Default.SearxngRoot);

        return results?.Results?.Take(limit).ToList() ?? [];
    }
}