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lib/bb/error/invalid/parameter.ex
# SPDX-FileCopyrightText: 2025 James Harton
#
# SPDX-License-Identifier: Apache-2.0
defmodule BB.Error.Invalid.Parameter do
@moduledoc """
Invalid runtime parameter.
Raised when a parameter value is invalid (e.g., out of range,
wrong type, unregistered parameter path).
"""
use BB.Error,
class: :invalid,
fields: [:param_path, :value, :reason]
defimpl BB.Error.Severity do
def severity(_), do: :error
end
def message(%{param_path: param_path, value: value, reason: reason}) do
path_str = format_path(param_path)
"Invalid parameter #{path_str}: #{reason} (got #{inspect(value)})"
end
defp format_path(path) when is_list(path), do: Enum.join(path, ".")
defp format_path(path), do: inspect(path)
end