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-- Copyright 2026 Shota FUJI
--
-- This Source Code Form is subject to the terms of the Mozilla Public
-- License, v. 2.0. If a copy of the MPL was not distributed with this
-- file, You can obtain one at https://mozilla.org/MPL/2.0/.
--
-- SPDX-License-Identifier: MPL-2.0


module Parameters.Constraints exposing (..)

import Length exposing (Length, mm)
import Parameters


type alias NumberConstraints a =
    { min : Maybe a
    , max : Maybe a
    }


type alias BuckleHole =
    { count : NumberConstraints Int
    , diameter : NumberConstraints Length
    }


type alias LongPiece =
    { buckleHole : BuckleHole
    }


type alias Rendering =
    { margin : NumberConstraints Length
    , lineWidth : NumberConstraints Length
    }


type alias Parameters =
    { lugWidth : NumberConstraints Length
    , longPiece : LongPiece
    , rendering : Rendering
    }


constraints : Parameters
constraints =
    { lugWidth = { min = Just (mm 10), max = Just (mm 30) }
    , longPiece =
        { buckleHole =
            { count = { min = Just 0, max = Just 10 }
            , diameter = { min = Just (mm 1), max = Just (mm 10) }
            }
        }
    , rendering =
        { margin = { min = Just (mm 0), max = Just (mm 20) }
        , lineWidth = { min = Just (mm 0.1), max = Just (mm 1) }
        }
    }