using System.Collections.Generic;
using System.Linq;
using System.Threading.Tasks;
using Microsoft.Extensions.DependencyInjection;
using Microsoft.Extensions.Localization;
using Volo.Abp.Localization;

namespace Kurs.Languages.Localization;

public class DatabaseLocalizationResourceContributor : ILocalizationResourceContributor
{
    private LocalizationResourceBase _resource;
    private IDatabaseResourceLocalizer _databaseResourceLocalizer;
    private ILanguageProvider _languageProvider;

    public bool IsDynamic => false;

    public void Initialize(LocalizationResourceInitializationContext context)
    {
        _resource = context.Resource;
        _databaseResourceLocalizer = context.ServiceProvider.GetRequiredService<IDatabaseResourceLocalizer>();
        _languageProvider = context.ServiceProvider.GetRequiredService<ILanguageProvider>();
    }

    public LocalizedString GetOrNull(string cultureName, string name)
    {
        return _databaseResourceLocalizer.GetOrNull(_resource, cultureName, name);
    }

    public async Task FillAsync(string cultureName, Dictionary<string, LocalizedString> dictionary)
    {
        await _databaseResourceLocalizer.FillAsync(_resource, cultureName, dictionary);
    }

    public void Fill(string cultureName, Dictionary<string, LocalizedString> dictionary)
    {
        _databaseResourceLocalizer.Fill(_resource, cultureName, dictionary);
    }

    public async Task<IEnumerable<string>> GetSupportedCulturesAsync()
    {
        var langs = await _languageProvider.GetLanguagesAsync();
        return langs.Select(a => a.CultureName).ToList();
    }
}