package fr.tiogars.chat.domains.task.services;
   
   import java.util.ArrayList;
   import java.util.List;
   
   import org.springframework.beans.factory.annotation.Autowired;
   import org.springframework.stereotype.Service;
   import org.springframework.transaction.annotation.Transactional;
   
  import fr.tiogars.chat.domains.task.entities.TaskEntity;
  import fr.tiogars.chat.domains.task.models.CreateTaskRequest;
  import fr.tiogars.chat.domains.task.models.Task;
  import fr.tiogars.chat.domains.task.repositories.TaskRepository;
  
  /** Creates or updates Tasks from seed data. */
  @Service
  public class TaskSeedService {
  
      private final TaskRepository repository;
  
      @Autowired
      private TaskReferences references;
  
      public TaskSeedService(TaskRepository repository) {
          this.repository = repository;
      }
  
      /**
       * Creates or updates templates by immutable business code.
       *
       * @param requests business data to seed
       * @return stored templates in input order
       */
      @Transactional
      public List<Task> seed(List<CreateTaskRequest> requests) {
          List<Task> storedTemplates = new ArrayList<>();
          for (CreateTaskRequest request : requests) {
              TaskEntity entity = repository.findByCode(request.code())
                      .map(existing -> {
                          existing.update(request.label(), request.description());
                          return existing;
                      })
                      .orElseGet(() -> new TaskEntity(
                              request.code(), request.label(), request.description()));
              entity.attributes(request.status(), request.priority(), request.dueDate(), request.assignedTo());
              if (references != null) {
                  references.apply(entity, request.tagIds(), request.nomenclatureId());
              }
              storedTemplates.add(toRecord(repository.saveAndFlush(entity)));
          }
          return storedTemplates;
      }
  
      private static Task toRecord(TaskEntity entity) {
          return new Task(
                  entity.getId(),
                  entity.getCode(),
                  entity.getLabel(),
                  entity.getDescription(),
                  entity.getCreatedDate(),
                  entity.getLastModifiedDate(),
                  entity.getCreatedBy(),
                  entity.getLastModifiedBy(),
                  entity.getStatus(), entity.getPriority(), entity.getDueDate(), entity.getAssignedTo(),
                  entity.getTagIds(), entity.getNomenclatureId());
      }
  }