# SPDX-License-Identifier: LGPL-2.1-or-later

# ***************************************************************************
# *   Copyright (c) 2026 Mario Passaglia <mpassaglia[at]cbc.uba.ar>         *
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# *   This file is part of FreeCAD.                                         *
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# ***************************************************************************

__title__ = "Write fixed constraint for Z88 solver"
__author__ = "Mario Passaglia"
__url__ = "https://www.freecad.org"

from .writer_list import WriterList


class WriterFixed(WriterList):
    def __init__(self, writer):
        super().__init__(writer, writer.member.cons_fixed)

    def write_item(self, item):
        dofs = self.writer.nodes["dof"]
        index = self.writer.nodes["index"]
        for idx in item["Nodes"]:
            z88_n = self.writer.node_id_map(idx)
            dof = dofs[z88_n]
            n = index[z88_n]
            self.writer.z88i2_rows.append(f"{n}  1  2  0\n")
            self.writer.z88i2_rows.append(f"{n}  2  2  0\n")
            if dof >= 3:
                self.writer.z88i2_rows.append(f"{n}  3  2  0\n")
            if dof == 6:
                self.writer.z88i2_rows.append(f"{n}  4  2  0\n")
                self.writer.z88i2_rows.append(f"{n}  5  2  0\n")
                self.writer.z88i2_rows.append(f"{n}  6  2  0\n")
