using FrameworkDAL.Query.EIPConversation.EIPMessageTemplate;
using GB5Shared.DTO.Framework.Login;
using GB5Shared.QueryExecutor;
using Microsoft.Extensions.Logging;
using System;
using System.Threading;
using System.Threading.Tasks;

namespace FrameworkDAL.CustomCode.EIPConversation.EIPMessageTemplate
{
    public class EIPMessageTemplateDAL : IEIPMessageTemplateDAL
    {
        private readonly IQueryExecutor _qe;
        private readonly ILogger<EIPMessageTemplateDAL> _logger;

        public EIPMessageTemplateDAL(IQueryExecutor qe, ILogger<EIPMessageTemplateDAL> logger)
        {
            _qe = qe ?? throw new ArgumentNullException(nameof(qe));
            _logger = logger ?? throw new ArgumentNullException(nameof(logger));
        }

        public async Task<string?> GetTemplateContentAsync(
            int tenantId, string messageKey, string languageCode, byte channelType,
            LoginDTO loginDTO, CancellationToken ct = default)
        {
            try
            {
                return await _qe.ExecuteScalarAsync<string?>(
                    loginDTO,
                    EIPMessageTemplateQB.GET_TEMPLATE_CONTENT,
                    new { TenantId = tenantId, MessageKey = messageKey, LanguageCode = languageCode, ChannelType = channelType },
                    cancellationToken: ct).ConfigureAwait(false);
            }
            catch (Exception ex)
            {
                _logger.LogError(ex,
                    "Failed to look up message template | MessageKey={MessageKey} | Language={Language}",
                    messageKey, languageCode);
                throw;
            }
        }
    }
}