using System;
using System.Net.Http;
using System.Text;
using System.Text.Json;
using System.Threading.Tasks;

public class ApiClient
{
    private static readonly string BaseUrl = "https://exchangegrid.api.mapwale.com/v1";
    
    static async Task Main(string[] args)
    {
        try
        {
            var result = await FetchDataAsync();
            Console.WriteLine(JsonSerializer.Serialize(result, new JsonSerializerOptions 
            { 
                WriteIndented = true 
            }));
        }
        catch (Exception ex)
        {
            Console.WriteLine($"Error: {ex.Message}");
        }
    }
    
    private static async Task<object> FetchDataAsync()
    {
        using var client = new HttpClient();
        
        // Build URL
        var parameters = new Dictionary<string, string>
        {
            { "region", "YOUR_REGION" }  // Replace with actual region value
        };
        
        var urlBuilder = new StringBuilder(BaseUrl);
        foreach (var param in ["region"])
        {
            urlBuilder.Append($"/{Uri.EscapeDataString(parameters[param])}");
        }
        
        // Add query parameters
        var queryParams = {"show":"all","list":"USD,INR,JPY,BTC,DOGE"};
        urlBuilder.Append("?");
        foreach (var param in queryParams)
        {
            urlBuilder.Append($"{param.Key}={Uri.EscapeDataString(param.Value)}&");
        }
        
        
        // Create request
        var request = new HttpRequestMessage(new HttpMethod("GET"), urlBuilder.ToString());
        
        if ("GET" == "POST" || "GET" == "PUT")
        {
            var content = JsonSerializer.Serialize({});
            request.Content = new StringContent(content, Encoding.UTF8, "application/json");
        }
        
        // Send request
        var response = await client.SendAsync(request);
        
        if (!response.IsSuccessStatusCode)
        {
            throw new HttpRequestException($"HTTP error! status: {response.StatusCode}");
        }
        
        var responseContent = await response.Content.ReadAsStringAsync();
        return JsonSerializer.Deserialize<object>(responseContent);
    }
}