import re

from fluidfoam import readof


class OFModel:
    def __init__(self, root):
        self._root = root

    def read_mesh(self):
        self._x, self._y, self._z = readof.readmesh(str(self._root))

    def write_field(self, field, values):
        with open(self._root.joinpath("0", field), "r") as aw_file:
            aw_raw = aw_file.read()

        with open(self._root.joinpath("0", field), "w") as aw_file:
            aw_file.write(
                re.sub(
                    r"(?<=\(\n).*?(?=\n\))",
                    "\n".join(values.astype(str)),
                    aw_raw,
                    count=1,
                    flags=re.S,
                )
            )

    @property
    def x(self):
        return self._x

    @property
    def y(self):
        return self._y

    @property
    def z(self):
        return self._z