defmodule ECSx.Persistence.Ecto.Components do
  @moduledoc """
  The Components context.
  """

  import Ecto.Query, warn: false

  alias ECSx.Persistence.Ecto.Component

  def repo do
    ECSx.Persistence.Ecto.repo()
  end

  @doc """
  Returns the list of components.

  ## Examples

      iex> list_components()
      [%Component{}, ...]

  """
  def list_components do
    repo().all(Component)
  end

  @doc """
  Gets a single component.

  Raises `Ecto.NoResultsError` if the Component does not exist.

  ## Examples

      iex> get_component!(123)
      %Component{}

      iex> get_component!(456)
      ** (Ecto.NoResultsError)

  """
  def get_component!(id), do: repo().get!(Component, id)

  @doc """
  Creates a component.

  ## Examples

      iex> create_component(%{field: value})
      {:ok, %Component{}}

      iex> create_component(%{field: bad_value})
      {:error, %Ecto.Changeset{}}

  """
  def create_component(attrs \\ %{}) do
    %Component{}
    |> Component.changeset(attrs)
    |> repo().insert()
  end

  @doc """
  Updates a component.

  ## Examples

      iex> update_component(component, %{field: new_value})
      {:ok, %Component{}}

      iex> update_component(component, %{field: bad_value})
      {:error, %Ecto.Changeset{}}

  """
  def update_component(%Component{} = component, attrs) do
    component
    |> Component.changeset(attrs)
    |> repo().update()
  end

  @doc """
  Deletes a component.

  ## Examples

      iex> delete_component(component)
      {:ok, %Component{}}

      iex> delete_component(component)
      {:error, %Ecto.Changeset{}}

  """
  def delete_component(%Component{} = component) do
    repo().delete(component)
  end

  @doc """
  Returns an `%Ecto.Changeset{}` for tracking component changes.

  ## Examples

      iex> change_component(component)
      %Ecto.Changeset{data: %Component{}}

  """
  def change_component(%Component{} = component \\ %Component{}, attrs) do
    Component.changeset(component, attrs)
  end
end