defmodule EditorConfig do
  @spec_version "0.17.2"

  @moduledoc """
  Resolves EditorConfig properties for files.

  This package targets EditorConfig specification #{@spec_version}.
  """

  @doc """
  Returns the EditorConfig specification version targeted by this package.

  ## Examples

      iex> EditorConfig.spec_version()
      "0.17.2"
  """
  @spec spec_version() :: String.t()
  def spec_version, do: @spec_version

  @doc """
  Returns the package version.

  ## Examples

      iex> EditorConfig.version()
      "0.1.0"
  """
  @spec version() :: String.t()
  def version do
    Application.spec(:editorconfig_core, :vsn)
    |> to_string()
  end

  @doc """
  Resolves EditorConfig properties for `path`.

  ## Examples

      iex> fs = EditorConfig.FileSystem.Memory.new(%{
      ...>   "/project/.editorconfig" => "root = true\\n[*]\\nindent_style = space\\n"
      ...> })
      iex> EditorConfig.properties("/project/file.ex", fs: fs)
      {:ok, %{"indent_style" => "space"}}
  """
  @spec properties(Path.t(), keyword()) :: {:ok, map()} | {:error, term()}
  def properties(path, opts \\ []), do: EditorConfig.Resolver.properties(path, opts)

  @doc """
  Resolves properties and includes contributing config file/section sources.

  ## Examples

      iex> fs = EditorConfig.FileSystem.Memory.new(%{
      ...>   "/project/.editorconfig" => "root = true\\n[*]\\nindent_style = space\\n"
      ...> })
      iex> EditorConfig.properties_with_sources("/project/file.ex", fs: fs)
      {:ok, %{"indent_style" => "space"}, [{"/project/.editorconfig", "*"}]}
  """
  @spec properties_with_sources(Path.t(), keyword()) :: {:ok, map(), list()} | {:error, term()}
  def properties_with_sources(path, opts \\ []) do
    EditorConfig.Resolver.properties_with_sources(path, opts)
  end

  @doc """
  Parses one `.editorconfig` file.

  ## Examples

      iex> {:ok, file} = EditorConfig.parse("[*]\\nindent_style = space\\n")
      iex> hd(file.sections).properties
      %{"indent_style" => "space"}
  """
  @spec parse(binary(), keyword()) :: {:ok, EditorConfig.File.t()} | {:error, term()}
  def parse(binary, opts \\ []), do: EditorConfig.Parser.parse(binary, opts)
end