# Code generated by protox. Don't edit.
# credo:disable-for-this-file
defmodule PgQuery.A_Const do
  @moduledoc false
  if function_exported?(Protox, :check_generator_version, 1) do
    Protox.check_generator_version(1)
  else
    raise "This code was generated with protox 2 but the runtime is using an older version of protox."
  end

  @type t :: %__MODULE__{
          location: integer(),
          isnull: boolean(),
          val:
            {:ival, PgQuery.Integer.t()}
            | {:fval, PgQuery.Float.t()}
            | {:boolval, PgQuery.Boolean.t()}
            | {:sval, PgQuery.String.t()}
            | {:bsval, PgQuery.BitString.t()}
            | nil,
          __uf__: [{non_neg_integer(), Protox.Types.tag(), binary()}]
        }
  defstruct location: 0, isnull: false, val: nil, __uf__: []

  (
    (
      @spec encode(t()) :: {:ok, iodata(), non_neg_integer()} | {:error, any()}
      def encode(msg) do
        msg |> encode!() |> Tuple.insert_at(0, :ok)
      rescue
        e in [Protox.EncodingError, Protox.RequiredFieldsError] -> {:error, e}
      end

      @spec encode!(t()) :: {iodata(), non_neg_integer()} | no_return()
      def encode!(msg) do
        {_acc = [], _acc_size = 0}
        |> encode_val(msg)
        |> encode_location(msg)
        |> encode_isnull(msg)
        |> encode_unknown_fields(msg)
      end
    )

    defp encode_val({acc, acc_size}, msg) do
      case msg.val do
        nil ->
          {acc, acc_size}

        {:bsval, child_field_value} ->
          {value_bytes, value_bytes_size} = Protox.Encode.encode_message(child_field_value)
          {["*", value_bytes | acc], acc_size + 1 + value_bytes_size}

        {:sval, child_field_value} ->
          {value_bytes, value_bytes_size} = Protox.Encode.encode_message(child_field_value)
          {["\"", value_bytes | acc], acc_size + 1 + value_bytes_size}

        {:boolval, child_field_value} ->
          {value_bytes, value_bytes_size} = Protox.Encode.encode_message(child_field_value)
          {["\x1A", value_bytes | acc], acc_size + 1 + value_bytes_size}

        {:fval, child_field_value} ->
          {value_bytes, value_bytes_size} = Protox.Encode.encode_message(child_field_value)
          {["\x12", value_bytes | acc], acc_size + 1 + value_bytes_size}

        {:ival, child_field_value} ->
          {value_bytes, value_bytes_size} = Protox.Encode.encode_message(child_field_value)
          {["\n", value_bytes | acc], acc_size + 1 + value_bytes_size}
      end
    end

    defp encode_location({acc, acc_size}, msg) do
      if msg.location == 0 do
        {acc, acc_size}
      else
        {value_bytes, value_bytes_size} = Protox.Encode.encode_int32(msg.location)
        {["X", value_bytes | acc], acc_size + 1 + value_bytes_size}
      end
    rescue
      ArgumentError ->
        reraise Protox.EncodingError.new(:location, "invalid field value"), __STACKTRACE__
    end

    defp encode_isnull({acc, acc_size}, msg) do
      if msg.isnull == false do
        {acc, acc_size}
      else
        {value_bytes, value_bytes_size} = Protox.Encode.encode_bool(msg.isnull)
        {["P", value_bytes | acc], acc_size + 1 + value_bytes_size}
      end
    rescue
      ArgumentError ->
        reraise Protox.EncodingError.new(:isnull, "invalid field value"), __STACKTRACE__
    end

    defp encode_unknown_fields({acc, acc_size}, msg) do
      Enum.reduce(msg.__uf__, {acc, acc_size}, fn {tag, wire_type, bytes}, {acc, acc_size} ->
        case wire_type do
          0 ->
            {key_bytes, key_size} = Protox.Encode.make_key_bytes(tag, :int32)
            {[acc, <<key_bytes::binary, bytes::binary>>], acc_size + key_size + byte_size(bytes)}

          1 ->
            {key_bytes, key_size} = Protox.Encode.make_key_bytes(tag, :double)
            {[acc, <<key_bytes::binary, bytes::binary>>], acc_size + key_size + byte_size(bytes)}

          2 ->
            {len_bytes, len_size} = bytes |> byte_size() |> Protox.Varint.encode()
            {key_bytes, key_size} = Protox.Encode.make_key_bytes(tag, :packed)

            {[acc, <<key_bytes::binary, len_bytes::binary, bytes::binary>>],
             acc_size + key_size + len_size + byte_size(bytes)}

          5 ->
            {key_bytes, key_size} = Protox.Encode.make_key_bytes(tag, :float)
            {[acc, <<key_bytes::binary, bytes::binary>>], acc_size + key_size + byte_size(bytes)}
        end
      end)
    end
  )

  (
    (
      @spec decode(binary()) :: {:ok, t()} | {:error, any()}
      def decode(bytes) do
        {:ok, decode!(bytes)}
      rescue
        e in [Protox.DecodingError, Protox.IllegalTagError, Protox.RequiredFieldsError] ->
          {:error, e}
      end

      (
        @spec decode!(binary()) :: t() | no_return()
        def decode!(bytes) do
          parse_key_value(bytes, struct(PgQuery.A_Const))
        end
      )
    )

    (
      @spec parse_key_value(binary(), struct()) :: struct()
      defp parse_key_value(<<>>, msg) do
        msg
      end

      defp parse_key_value(bytes, msg) do
        {field, rest} =
          case bytes do
            <<_::5, 3::3, _rest::binary>> ->
              raise Protox.DecodingError.new(bytes, "invalid wire type 3")

            <<_::5, 4::3, _rest::binary>> ->
              raise Protox.DecodingError.new(bytes, "invalid wire type 4")

            <<_::5, 6::3, _rest::binary>> ->
              raise Protox.DecodingError.new(bytes, "invalid wire type 6")

            <<_::5, 7::3, _rest::binary>> ->
              raise Protox.DecodingError.new(bytes, "invalid wire type 7")

            <<0::5, _::3, _rest::binary>> ->
              raise %Protox.IllegalTagError{}

            <<11::5, _wire_type::3, bytes::binary>> ->
              {value, rest} = Protox.Decode.parse_int32(bytes)
              {[location: value], rest}

            <<10::5, _wire_type::3, bytes::binary>> ->
              {value, rest} = Protox.Decode.parse_bool(bytes)
              {[isnull: value], rest}

            <<5::5, _wire_type::3, bytes::binary>> ->
              {len, bytes} = Protox.Varint.decode(bytes)
              {delimited, rest} = Protox.Decode.parse_delimited(bytes, len)

              {[
                 case msg.val do
                   {:bsval, previous_value} ->
                     {:val,
                      {:bsval,
                       Protox.MergeMessage.merge(
                         previous_value,
                         PgQuery.BitString.decode!(delimited)
                       )}}

                   _ ->
                     {:val, {:bsval, PgQuery.BitString.decode!(delimited)}}
                 end
               ], rest}

            <<4::5, _wire_type::3, bytes::binary>> ->
              {len, bytes} = Protox.Varint.decode(bytes)
              {delimited, rest} = Protox.Decode.parse_delimited(bytes, len)

              {[
                 case msg.val do
                   {:sval, previous_value} ->
                     {:val,
                      {:sval,
                       Protox.MergeMessage.merge(
                         previous_value,
                         PgQuery.String.decode!(delimited)
                       )}}

                   _ ->
                     {:val, {:sval, PgQuery.String.decode!(delimited)}}
                 end
               ], rest}

            <<3::5, _wire_type::3, bytes::binary>> ->
              {len, bytes} = Protox.Varint.decode(bytes)
              {delimited, rest} = Protox.Decode.parse_delimited(bytes, len)

              {[
                 case msg.val do
                   {:boolval, previous_value} ->
                     {:val,
                      {:boolval,
                       Protox.MergeMessage.merge(
                         previous_value,
                         PgQuery.Boolean.decode!(delimited)
                       )}}

                   _ ->
                     {:val, {:boolval, PgQuery.Boolean.decode!(delimited)}}
                 end
               ], rest}

            <<2::5, _wire_type::3, bytes::binary>> ->
              {len, bytes} = Protox.Varint.decode(bytes)
              {delimited, rest} = Protox.Decode.parse_delimited(bytes, len)

              {[
                 case msg.val do
                   {:fval, previous_value} ->
                     {:val,
                      {:fval,
                       Protox.MergeMessage.merge(previous_value, PgQuery.Float.decode!(delimited))}}

                   _ ->
                     {:val, {:fval, PgQuery.Float.decode!(delimited)}}
                 end
               ], rest}

            <<1::5, _wire_type::3, bytes::binary>> ->
              {len, bytes} = Protox.Varint.decode(bytes)
              {delimited, rest} = Protox.Decode.parse_delimited(bytes, len)

              {[
                 case msg.val do
                   {:ival, previous_value} ->
                     {:val,
                      {:ival,
                       Protox.MergeMessage.merge(
                         previous_value,
                         PgQuery.Integer.decode!(delimited)
                       )}}

                   _ ->
                     {:val, {:ival, PgQuery.Integer.decode!(delimited)}}
                 end
               ], rest}

            <<bytes::binary>> ->
              {tag, wire_type, rest} = Protox.Decode.parse_key(bytes)
              {value, rest} = Protox.Decode.parse_unknown(tag, wire_type, rest)
              {[__uf__: msg.__uf__ ++ [value]], rest}
          end

        msg_updated = struct(msg, field)
        parse_key_value(rest, msg_updated)
      end
    )
  )

  (
    @spec unknown_fields(struct()) :: [{non_neg_integer(), Protox.Types.tag(), binary()}]
    def unknown_fields(msg) do
      msg.__uf__
    end

    @spec unknown_fields_name() :: :__uf__
    def unknown_fields_name() do
      :__uf__
    end

    @spec clear_unknown_fields(struct) :: struct
    def clear_unknown_fields(msg) do
      struct!(msg, __uf__: [])
    end
  )

  (
    @spec default(atom()) ::
            {:ok, boolean() | integer() | String.t() | float()}
            | {:error, :no_such_field | :no_default_value}
    def default(:location) do
      {:ok, 0}
    end

    def default(:isnull) do
      {:ok, false}
    end

    def default(:bsval) do
      {:error, :no_default_value}
    end

    def default(:sval) do
      {:error, :no_default_value}
    end

    def default(:boolval) do
      {:error, :no_default_value}
    end

    def default(:fval) do
      {:error, :no_default_value}
    end

    def default(:ival) do
      {:error, :no_default_value}
    end

    def default(_) do
      {:error, :no_such_field}
    end
  )

  @spec schema() :: Protox.MessageSchema.t()
  def schema() do
    %{
      __struct__: Protox.MessageSchema,
      fields: %{
        boolval: %{
          __struct__: Protox.Field,
          extender: nil,
          kind: %{__struct__: Protox.OneOf, parent: :val},
          label: :optional,
          name: :boolval,
          tag: 3,
          type: {:message, PgQuery.Boolean}
        },
        bsval: %{
          __struct__: Protox.Field,
          extender: nil,
          kind: %{__struct__: Protox.OneOf, parent: :val},
          label: :optional,
          name: :bsval,
          tag: 5,
          type: {:message, PgQuery.BitString}
        },
        fval: %{
          __struct__: Protox.Field,
          extender: nil,
          kind: %{__struct__: Protox.OneOf, parent: :val},
          label: :optional,
          name: :fval,
          tag: 2,
          type: {:message, PgQuery.Float}
        },
        isnull: %{
          __struct__: Protox.Field,
          extender: nil,
          kind: %{__struct__: Protox.Scalar, default_value: false},
          label: :optional,
          name: :isnull,
          tag: 10,
          type: :bool
        },
        ival: %{
          __struct__: Protox.Field,
          extender: nil,
          kind: %{__struct__: Protox.OneOf, parent: :val},
          label: :optional,
          name: :ival,
          tag: 1,
          type: {:message, PgQuery.Integer}
        },
        location: %{
          __struct__: Protox.Field,
          extender: nil,
          kind: %{__struct__: Protox.Scalar, default_value: 0},
          label: :optional,
          name: :location,
          tag: 11,
          type: :int32
        },
        sval: %{
          __struct__: Protox.Field,
          extender: nil,
          kind: %{__struct__: Protox.OneOf, parent: :val},
          label: :optional,
          name: :sval,
          tag: 4,
          type: {:message, PgQuery.String}
        }
      },
      file_options: nil,
      name: PgQuery.A_Const,
      syntax: :proto3
    }
  end
end