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"""Module providing the EmSolverFembem class."""
import typing
from ansys.dyna.core.lib.card import Card, Field, Flag
from ansys.dyna.core.lib.field_schema import FieldSchema
from ansys.dyna.core.lib.keyword_base import KeywordBase

_EMSOLVERFEMBEM_CARD0 = (
    FieldSchema("reltol", float, 0, 10, 0.01),
    FieldSchema("maxite", int, 10, 10, 50),
    FieldSchema("forcon", int, 20, 10, 0),
)

class EmSolverFembem(KeywordBase):
    """DYNA EM_SOLVER_FEMBEM keyword"""

    keyword = "EM"
    subkeyword = "SOLVER_FEMBEM"

    def __init__(self, **kwargs):
        """Initialize the EmSolverFembem class."""
        super().__init__(**kwargs)
        self._cards = [
            Card.from_field_schemas_with_defaults(
                _EMSOLVERFEMBEM_CARD0,
                **kwargs,
            ),        ]
    @property
    def reltol(self) -> float:
        """Get or set the Relative tolerance for the FEM/BEM system solve. If the results are not accurate enough, try decreasing this tolerance. A smaller tolerance will, however, require more iterations.
        """ # nopep8
        return self._cards[0].get_value("reltol")

    @reltol.setter
    def reltol(self, value: float) -> None:
        """Set the reltol property."""
        self._cards[0].set_value("reltol", value)

    @property
    def maxite(self) -> int:
        """Get or set the Maximal number of iterations.
        """ # nopep8
        return self._cards[0].get_value("maxite")

    @maxite.setter
    def maxite(self, value: int) -> None:
        """Set the maxite property."""
        self._cards[0].set_value("maxite", value)

    @property
    def forcon(self) -> int:
        """Get or set the Force Convergence :
        EQ.0: The code stops with an error if no convergence
        EQ.1: The code continues to the next time step even if the RELTOL convergence criteria has not been reached.
        """ # nopep8
        return self._cards[0].get_value("forcon")

    @forcon.setter
    def forcon(self, value: int) -> None:
        """Set the forcon property."""
        if value not in [0, 1, None]:
            raise Exception("""forcon must be `None` or one of {0,1}.""")
        self._cards[0].set_value("forcon", value)

