part of '../persistence.dart';

/// Repository contract for task records.
abstract interface class TaskRepository {
  /// Return the task with [taskId] in [ownerId], or null when it is absent.
  Future<RepoResult<core.Task?>> findById({
    required core.OwnerId ownerId,
    required String taskId,
  });

  /// Return owner-scoped tasks in deterministic adapter order.
  Future<RepoResult<core.Page<core.Task>>> findByOwner({
    required core.OwnerId ownerId,
    core.PageRequest page = const core.PageRequest(),
  });

  /// Return owner-scoped tasks assigned to [projectId].
  Future<RepoResult<core.Page<core.Task>>> findByProjectId({
    required core.OwnerId ownerId,
    required String projectId,
    core.PageRequest page = const core.PageRequest(),
  });

  /// Return owner-scoped direct child tasks for [parentTaskId].
  Future<RepoResult<core.Page<core.Task>>> findByParentTaskId({
    required core.OwnerId ownerId,
    required String parentTaskId,
    core.PageRequest page = const core.PageRequest(),
  });

  /// Return owner-scoped tasks with [status].
  Future<RepoResult<core.Page<core.Task>>> findByStatus({
    required core.OwnerId ownerId,
    required core.TaskStatus status,
    core.PageRequest page = const core.PageRequest(),
  });

  /// Insert [task] for [ownerId] and return the assigned revision.
  Future<RepoResult<core.Revision>> insert({
    required core.OwnerId ownerId,
    required core.Task task,
  });

  /// Save [task] if [expectedRevision] still matches the stored record.
  Future<RepoResult<core.Revision>> save({
    required core.OwnerId ownerId,
    required core.Task task,
    required core.Revision expectedRevision,
  });

  /// Remove [taskId] if [expectedRevision] still matches the stored record.
  Future<RepoResult<core.Revision>> delete({
    required core.OwnerId ownerId,
    required String taskId,
    required core.Revision expectedRevision,
  });
}