using HrynCo.NotificationService.DAL.Abstract.Repositories;
using HrynCo.NotificationService.DAL.Abstract.Templates;
using HrynCo.NotificationService.Services.Core;
using HrynCo.NotificationService.Services.Logging;
using static HrynCo.NotificationService.Services.Core.ServiceResultHelper;

namespace HrynCo.NotificationService.Services.EmailTemplates.SaveDefinition;

internal sealed class SaveEmailTemplateDefinitionHandler(
    IContextualSerilogLogger<SaveEmailTemplateDefinitionCommand> logger,
    IEmailTemplateDefinitionRepository definitions)
    : RequestHandler<SaveEmailTemplateDefinitionCommand, ServiceResult<Guid>>(logger)
{
    protected override async Task<ServiceResult<Guid>> DoOnHandle(SaveEmailTemplateDefinitionCommand request, CancellationToken cancellationToken)
    {
        try
        {
            await definitions.SaveDefinitionAsync(request.Definition, request.IsNew, cancellationToken);
            return Success(request.Definition.Id);
        }
        catch (EmailTemplateWriteException error)
        {
            return Failure<Guid>(error.Message, error.IsConflict ? ServiceErrorCode.Conflict : ServiceErrorCode.InvalidRequest);
        }
    }
}