import os
import subprocess

class MapsGeneratorError(Exception):
    pass


class OptionNotFound(MapsGeneratorError):
    pass


class ValidationError(MapsGeneratorError):
    pass


class ContinueError(MapsGeneratorError):
    pass


class SkipError(MapsGeneratorError):
    pass


class BadExitStatusError(MapsGeneratorError):
    pass


class ParseError(MapsGeneratorError):
    pass


class FailedTest(MapsGeneratorError):
    pass


def wait_and_raise_if_fail(p):
    if p.wait() != os.EX_OK:
        if type(p) is subprocess.Popen:
            args = p.args
            stdout = p.stdout
            stderr = p.stderr
            logs = None
            errors = None
            if type(stdout) is not type(None):
              logs = stdout.read(256).decode()
            if type(stderr) is not type(None):
              errors = stderr.read(256).decode()
            if errors != logs:
                logs += " and " + errors
            msg = f"The launch of {args.pop(0)} failed.\nArguments used: {' '.join(args)}\nSee details in {logs}"
            raise BadExitStatusError(msg)
        else:
            args = p.args
            logs = p.output.name
            if p.error.name != logs:
                logs += " and " + p.error.name
            msg = f"The launch of {args.pop(0)} failed.\nArguments used: {' '.join(args)}\nSee details in {logs}"
            raise BadExitStatusError(msg)