#!/usr/bin/env python3
#
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"""Ensure that the CAN definition files (symbol and dbc) are parsable."""

import logging  # noqa: TID251
import sys
from pathlib import Path

import cantools
import click
import colorama
import git
from git.exc import InvalidGitRepositoryError

SCRIPT_DIR = Path(__file__).parent.resolve()

try:
    repo = git.Repo(SCRIPT_DIR, search_parent_directories=True)
    REPO_ROOT = Path(repo.git.rev_parse("--show-toplevel"))
except InvalidGitRepositoryError:
    sys.exit("Test can only be run in a git repository.")


def set_logging_level(verbose: int = 0) -> None:
    """sets the module logging level

    :param verbose: verbosity level"""
    if verbose == 1:
        logging.basicConfig(level=logging.INFO)
    elif verbose > 1:
        logging.basicConfig(level=logging.DEBUG)
    else:
        logging.basicConfig(level=logging.ERROR)


context_settings = {"help_option_names": ["-h", "--help"]}


@click.command(context_settings=context_settings)
@click.option("-v", "--verbose", default=0, count=True, help="Verbose information.")
@click.option(
    "-s",
    "--symbol",
    "symbol_file",
    default=REPO_ROOT / "tools" / "dbc" / "foxbms.sym",
    type=click.Path(exists=True, dir_okay=False),
    is_eager=True,
    help="FILE path of the symbol file",
)
@click.option(
    "-d",
    "--dbc",
    "dbc_file",
    default=REPO_ROOT / "tools" / "dbc" / "foxbms.dbc",
    type=click.Path(exists=True, dir_okay=False),
    is_eager=True,
    help="FILE path of the dbc file",
)
@click.pass_context
def main(ctx: click.Context, verbose: int, symbol_file: Path, dbc_file: Path) -> None:
    """Convert symbol file to dbc file"""
    colorama.init()
    set_logging_level(verbose)
    logging.warning(
        "Symbol file checking disabled, due to a 'cantools' bug "
        "(https://github.com/cantools/cantools/issues/458)"
    )
    # logging.debug("Parsing symbol file...")
    # cantools.database.load_file(str(symbol_file))
    # logging.debug("done")
    logging.debug("Parsing dbc file...")
    cantools.database.load_file(str(dbc_file))
    logging.debug("done")
    logging.info("%s and %s files are parsable.", symbol_file, dbc_file)
    ctx.exit(0)


if __name__ == "__main__":
    main()  # pylint: disable=no-value-for-parameter