# -*- Mode: python; indent-tabs-mode: nil; tab-width: 40 -*-
# vim: set filetype=python:
# This Source Code Form is subject to the terms of the Mozilla Public
# License, v. 2.0. If a copy of the MPL was not distributed with this
# file, You can obtain one at http://mozilla.org/MPL/2.0/.


@depends(build_environment)
@imports("logging")
@imports(_from="__builtin__", _import="object")
@imports(_from="mozbuild.configure.util", _import="ConfigureOutputHandler")
def old_js_configure(build_env):
    class PrefixOutput(object):
        def __init__(self, prefix, fh):
            self._fh = fh
            self._begin_line = True
            self._prefix = prefix

        def write(self, content):
            if self._begin_line:
                self._fh.write(self._prefix)
            self._fh.write(("\n" + self._prefix).join(content.splitlines()))
            self._begin_line = content.endswith("\n")
            if self._begin_line:
                self._fh.write("\n")

        def flush(self):
            self._fh.flush()

    logger = logging.getLogger("moz.configure")
    formatter = logging.Formatter("js/src> %(levelname)s: %(message)s")
    for handler in logger.handlers:
        handler.setFormatter(formatter)
        if isinstance(handler, ConfigureOutputHandler):
            handler._stdout = PrefixOutput("js/src> ", handler._stdout)
    return os.path.join(build_env.topsrcdir, "js", "src", "old-configure")


@depends(old_configure.substs, mozconfig)
def old_js_configure_env(substs, mozconfig):
    substs = dict(substs)
    # Here, we mimic what we used to do from old-configure, which makes this
    # all awkward.

    # Variables that were explicitly exported from old-configure, and those
    # explicitly set in the environment when invoking old-configure, were
    # automatically inherited from subconfigure. We assume the relevant ones
    # have a corresponding AC_SUBST in old-configure, making them available
    # in `substs`.
    extra_env = {}

    for var in (
        "MOZ_DEV_EDITION",
        "STLPORT_LIBS",
    ):
        if var in substs:
            value = substs[var]
        elif (
            mozconfig
            and var in mozconfig
            and not mozconfig[var][1].startswith("removed")
        ):
            value = mozconfig[var][0]
        else:
            continue
        if isinstance(value, list):
            value = " ".join(value)
        extra_env[var] = value

    return extra_env


old_js_configure = old_configure_for(old_js_configure, extra_env=old_js_configure_env)
set_config("OLD_JS_CONFIGURE_SUBSTS", old_js_configure.substs)
set_config("OLD_JS_CONFIGURE_DEFINES", old_js_configure.defines)


@dependable
@imports("logging")
@imports(_from="mozbuild.configure.util", _import="ConfigureOutputHandler")
def post_old_js_configure():
    # Restore unprefixed logging.
    formatter = logging.Formatter("%(levelname)s: %(message)s")
    logger = logging.getLogger("moz.configure")
    for handler in logger.handlers:
        handler.setFormatter(formatter)
        if isinstance(handler, ConfigureOutputHandler):
            handler._stdout.flush()
            handler._stdout = handler._stdout._fh