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# to you under the Apache License, Version 2.0 (the
# "License"); you may not use this file except in compliance
# with the License.  You may obtain a copy of the License at
#
#   http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing,
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# specific language governing permissions and limitations
# under the License.
import shutil
import typing

from selenium.webdriver.common import service

DEFAULT_EXECUTABLE_PATH = shutil.which("WPEWebDriver")


class Service(service.Service):
    """A Service class that is responsible for the starting and stopping of
    `WPEWebDriver`.

    :param executable_path: install path of the WPEWebDriver executable, defaults to the first `WPEWebDriver` in `$PATH`.
    :param port: Port for the service to run on, defaults to 0 where the operating system will decide.
    :param service_args: (Optional) List of args to be passed to the subprocess when launching the executable.
    :param log_output: (Optional) File path for the file to be opened and passed as the subprocess stdout/stderr handler.
    :param env: (Optional) Mapping of environment variables for the new process, defaults to `os.environ`.
    """

    def __init__(
        self,
        executable_path: str = DEFAULT_EXECUTABLE_PATH,
        port: int = 0,
        log_output: typing.Optional[str] = None,
        service_args: typing.Optional[typing.List[str]] = None,
        env: typing.Optional[typing.Mapping[str, str]] = None,
        **kwargs,
    ):
        self.service_args = service_args or []
        super().__init__(
            executable_path=executable_path,
            port=port,
            log_output=log_output,
            env=env,
            **kwargs,
        )

    def command_line_args(self) -> typing.List[str]:
        return ["-p", f"{self.port}"] + self.service_args
