using System.Net;

namespace EnvelopeGenerator.Server.Client.Services;

public class LocalizationService(IHttpClientFactory httpClientFactory)
{
    private HttpClient CreateDefaultClient() => httpClientFactory.CreateClient("EnvelopeGenerator.Server");

    public async Task<string> GetLanguageAsync(CancellationToken cancel = default)
    {
        using var http = CreateDefaultClient();
        var response = await http.GetAsync("/api/Localization/lang", cancel);

        if (response.StatusCode == HttpStatusCode.NotFound)
            return "de-DE";

        if (!response.IsSuccessStatusCode)
            return "de-DE";

        var language = await response.Content.ReadAsStringAsync(cancel);
        return string.IsNullOrWhiteSpace(language) ? "de-DE" : language.Trim('"');
    }

    public async Task SetLanguageAsync(string language, CancellationToken cancel = default)
    {
        using var http = CreateDefaultClient();
        var response = await http.PostAsync($"/api/Localization/lang?language={Uri.EscapeDataString(language)}", null, cancel);
        response.EnsureSuccessStatusCode();
    }
}