using System.Collections.Generic;
using System.Threading;
using System.Threading.Tasks;
using xIdentityModels.Models;
using xModels.Dtos;
using xPushService.Interfaces;
using xStringService.Models.Dtos;
using xStringService.Models.Entities;
using xStringService.Providers.Dtos;

namespace xStringService.Interfaces
{
    public interface IXStringProvider : IXBaseProvided<XString, XStringDto, int, XStringDtoHub>
    {
        //
        #region Tools ...
        /// <summary>
        /// Retrieve a List of Exists Languages ...
        /// </summary>
        /// <param name="cancellationToken"></param>
        /// <returns></returns>
        Task<IEnumerable<string>> GetLanguages(
            CancellationToken cancellationToken = default
        );

        /// <summary>
        /// Retrieve a List of Resource Titles ...
        /// </summary>
        /// <param name="language">if provided, returns all language Specified resource titles, if not, all Resource Titles</param>
        /// <param name="cancellationToken"></param>
        /// <returns></returns>
        Task<IEnumerable<string>> GetResourceTitles(
            string language = null,
            CancellationToken cancellationToken = default
        );

        /// <summary>
        /// Retrieve all Exists Items which belongs to Specified Resource Title ...
        /// </summary>
        /// <param name="resource">Specified Resource Title</param>
        /// <param name="cancellationToken"></param>
        /// <returns></returns>
        Task<IEnumerable<XStringDto>> GetResourceLocales(
            string resource,
            CancellationToken cancellationToken = default
        );

        /// <summary>
        /// Extract Translation of a Resource in Specified Language ...
        /// </summary>
        /// <param name="language">Specified Language ...</param>
        /// <param name="resource">Specified Resource Title ...</param>
        /// <param name="cancellationToken"></param>
        /// <returns></returns>
        Task<string> GetResourceTranslation(
            string language,
            string resource,
            CancellationToken cancellationToken = default
        );

        /// <summary>
        /// Retrieve a Resource as Locale Model ...
        /// </summary>
        /// <param name="language">Specified Language ...</param>
        /// <param name="resource">Specified Resource Title ...</param>
        /// <param name="cancellationToken"></param>
        /// <returns></returns>
        Task<XLocaleResourceDto> GetLocale(
            string language,
            string resource,
            CancellationToken cancellationToken = default
        );

        /// <summary>
        /// Retrieve all Exists Resource Instances as Locale Models ...
        /// </summary>
        /// <param name="resource"></param>
        /// <param name="cancellationToken"></param>
        /// <returns></returns>
        Task<IEnumerable<XLocaleResourceDto>> GetLocales(
            string resource,
            CancellationToken cancellationToken = default
        );

        /// <summary>
        /// Retrieve all Locales of Specified Resource and Represent as XResourceDto ...
        /// </summary>
        /// <param name="resource"></param>
        /// <param name="cancellationToken"></param>
        /// <returns></returns>
        Task<XResourceDto> GetResource(
            string resource,
            CancellationToken cancellationToken = default
        );

        /// <summary>
        /// Add or Update a Resource Model ...
        /// </summary>
        /// <param name="resource">a XResourceDto Model ...</param>
        /// <param name="userInfo">Actor User for Permissions ...</param>
        /// <param name="connectionId"></param>
        /// <param name="cancellationToken"></param>
        /// <returns></returns>
        Task<XResourceDto> AddOrUpdateResource(
            XResourceDto resource,
            XUserClaimsInfoDto userInfo = null,
            string connectionId = null,
            CancellationToken cancellationToken = default
        );

        /// <summary>
        /// Remove Specified Resource Model ...
        /// </summary>
        /// <param name="resource">a XResourceDto Model ...</param>
        /// <param name="userInfo">Actor User for Permissions ...</param>
        /// <param name="connectionId"></param>
        /// <param name="cancellationToken"></param>
        /// <returns></returns>
        Task RemoveResource(
            XResourceDto resource,
            XUserClaimsInfoDto userInfo = null,
            string connectionId = null,
            CancellationToken cancellationToken = default
        ); 
        #endregion
    }
}