import os
import acre

from avalon import api, lib
import pype.api as pype
from pype.aport import lib as aportlib

log = pype.Logger().get_logger(__name__, "aport")


class Aport(api.Action):

    name = "aport"
    label = "Aport - Avalon's Server"
    icon = "retweet"
    order = 996

    def is_compatible(self, session):
        """Return whether the action is compatible with the session"""
        if "AVALON_TASK" in session:
            return True
        return False

    def process(self, session, **kwargs):
        """Implement the behavior for when the action is triggered

        Args:
            session (dict): environment dictionary

        Returns:
            Popen instance of newly spawned process

        """

        with pype.modified_environ(**session):
            # Get executable by name
            print(self.name)
            app = lib.get_application(self.name)
            executable = lib.which(app["executable"])

            # Run as server
            arguments = []

            tools_env = acre.get_tools([self.name])
            env = acre.compute(tools_env)
            env = acre.merge(env, current_env=dict(os.environ))

            if not env.get('AVALON_WORKDIR', None):
                os.environ["AVALON_WORKDIR"] = aportlib.get_workdir_template()

            env.update(dict(os.environ))

            try:
                lib.launch(
                    executable=executable,
                    args=arguments,
                    environment=env
                )
            except Exception as e:
                log.error(e)
            return