# Python imports
import os
import subprocess

# Lib imports

# Apoplication imports


class CoherenceLauncherException(Exception):
    ...



class Launcher:
    def open_file_locally(self, file):
        command = ["xdg-open", file]
        self.execute(command)


    def execute(self, command, start_dir=os.getenv("HOME"), use_shell=False):
        try:
            logger.debug(command)
            subprocess.Popen(command, cwd=start_dir, shell=use_shell, start_new_session=True, stdout=None, stderr=None, close_fds=True)
        except CoherenceLauncherException as e:
            logger.error(f"Couldn't execute: {command}")
            logger.error(e)

    # TODO: Return std(out/in/err) handlers along with subprocess instead of sinking to null
    def execute_and_return_thread_handler(self, command, start_dir=os.getenv("HOME"), use_shell=False):
        try:
            DEVNULL = open(os.devnull, 'w')
            return subprocess.Popen(command, cwd=start_dir, shell=use_shell, start_new_session=False, stdout=DEVNULL, stderr=DEVNULL, close_fds=False)
        except CoherenceLauncherException as e:
            logger.error(f"Couldn't execute and return thread: {command}")
            logger.error(e)
            return None

    @threaded
    def app_chooser_exec(self, app_info, uris):
        app_info.launch_uris_async(uris)