"""Сменная клипса соединяет два гнезда. Нижние лапки отгибаются при первой установке, верхние при опускании второго модуля. Доступ к зубьям нужен с обеих сторон."""

import FreeCAD  # noqa: F401 (initialize the CAD runtime first)

# isort: split
import math
import sys
from pathlib import Path

sys.path.insert(0, str(Path(__file__).resolve().parents[1]))
from common import Piece, Pose, box, join, main, params, phase, require, section

MODEL_ID = "double-clip"
DEFAULTS = {
    "width": 28,
    "depth": 20,
    "plate_thickness": 3,
    "spacing": 13,
    "clip_thickness": 1.5,
    "clearance": 0.25,
    "deflection": 1.4,
}
NOTE = "Сменная клипса соединяет два гнезда. Нижние лапки отгибаются при первой установке, верхние при опускании второго модуля. Доступ к зубьям нужен с обеих сторон."
MODE = "elastic"


def make_parts(supplied=None):

    p = params(DEFAULTS, supplied)
    w, d, b, s, th, c, f = [
        p[k]
        for k in (
            "width",
            "depth",
            "plate_thickness",
            "spacing",
            "clip_thickness",
            "clearance",
            "deflection",
        )
    ]
    require(
        w > 12 and d > 8 and s > 2 * b + 4 and th > f / 2,
        "Separate two receivers and the central web",
    )
    inner = 1.6
    outer = inner + th
    hook = outer + 1.4
    low = box(-w / 2, -d / 2, 5, w, d, b).cut(
        box(-outer - c, -3 - c, 4, 2 * outer + 2 * c, 6 + 2 * c, b + 2)
    )
    top = box(-w / 2, -d / 2, 5 + s, w, d, b).cut(
        box(-outer - c, -3 - c, 4 + s, 2 * outer + 2 * c, 6 + 2 * c, b + 2)
    )
    upper = 5 + s + b + c

    def clip(t):
        upper_bend = f * math.sin(math.pi * phase(t, 0.45, 0.95))
        lower_bend = f * math.sin(math.pi * phase(t, 0, 0.4))
        solids = [box(-inner, -3, 10, 2 * inner, 6, 2)]
        for sign in (-1, 1):
            pts = [
                (inner - lower_bend, 2),
                (outer - lower_bend, 2),
                (outer, 11),
                (outer - upper_bend, upper + 3),
                (inner - upper_bend, upper + 3),
                (inner, 11),
            ]
            solids.append(
                section(
                    [
                        (sign * x, z)
                        for x, z in [
                            (outer - lower_bend, 2),
                            (hook - lower_bend, 4.5),
                            (outer - lower_bend, 4.5),
                        ]
                    ],
                    -3,
                    6,
                )
            )
            solids.append(
                section(
                    [
                        (sign * x, z)
                        for x, z in [
                            (outer - upper_bend, upper),
                            (hook - upper_bend, upper),
                            (outer - upper_bend, upper + 3),
                        ]
                    ],
                    -3,
                    6,
                )
            )
            solids.append(section([(sign * x, z) for x, z in pts], -3, 6))
        return join(*solids)

    return [
        Piece("lower", "Нижнее гнездо", low),
        Piece(
            "upper",
            "Верхнее гнездо",
            top,
            lambda t: Pose(offset=(0, 0, 22 * (1 - phase(t, 0.42, 1)))),
        ),
        Piece(
            "clip",
            "Двусторонняя клипса",
            clip(1),
            lambda t: Pose(offset=(0, 0, -6 * (1 - phase(t, 0, 0.4)))),
            deform=clip,
        ),
    ]


if __name__ == "__main__":
    main(make_parts, DEFAULTS, MODEL_ID, __file__, NOTE, MODE)