defmodule SomethingErlang.Forums do
  @moduledoc """
  The Forums context.
  """

  import Ecto.Query, warn: false
  alias SomethingErlang.Repo

  alias SomethingErlang.Forums.Thread

  @doc """
  Returns the list of threads.

  ## Examples

      iex> list_threads()
      [%Thread{}, ...]

  """
  def list_threads do
    Repo.all(Thread)
  end

  @doc """
  Gets a single thread.

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

  ## Examples

      iex> get_thread!(123)
      %Thread{}

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

  """
  def get_thread!(id),
    # Repo.get!(Thread, id)
    do: %Thread{id: id, thread_id: id, title: "foo"}

  @doc """
  Creates a thread.

  ## Examples

      iex> create_thread(%{field: value})
      {:ok, %Thread{}}

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

  """
  def create_thread(attrs \\ %{}) do
    %Thread{}
    |> Thread.changeset(attrs)
    |> Repo.insert()
  end

  @doc """
  Updates a thread.

  ## Examples

      iex> update_thread(thread, %{field: new_value})
      {:ok, %Thread{}}

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

  """
  def update_thread(%Thread{} = thread, attrs) do
    thread
    |> Thread.changeset(attrs)
    |> Repo.update()
  end

  @doc """
  Deletes a thread.

  ## Examples

      iex> delete_thread(thread)
      {:ok, %Thread{}}

      iex> delete_thread(thread)
      {:error, %Ecto.Changeset{}}

  """
  def delete_thread(%Thread{} = thread) do
    Repo.delete(thread)
  end

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

  ## Examples

      iex> change_thread(thread)
      %Ecto.Changeset{data: %Thread{}}

  """
  def change_thread(%Thread{} = thread, attrs \\ %{}) do
    Thread.changeset(thread, attrs)
  end
end