# Copyright (C) 2007, 2008, 2009 by Intevation GmbH
# Authors:
# Bernhard Herzog <bh@intevation.de>
#
# This program is free software under the GPL (>=v2)
# Read the file COPYING coming with the software for details.

"""Base classes for all kdepim packagers"""

import os
import time
import inspect

import treepkg.packager


class BaseSourcePackager(treepkg.packager.SourcePackager):

    def __init__(self, *args, **kw):
        super(BaseSourcePackager, self).__init__(*args, **kw)
        self.enterprise_version = (time.strftime("%Y%m%d", time.localtime()) \
                                   + "." + str(self.revision))

    def determine_package_version(self, directory):
        enterprise_version = self.enterprise_version
        return self.track.version_template % locals()

    def do_package(self):
        pkgbaseversion, pkgbasedir = self.export_sources()
        self.update_version_numbers(pkgbasedir)

        pkgbasename = self.pkg_basename + "_" + pkgbaseversion
        origtargz = os.path.join(self.work_dir,
                                 pkgbasename + ".orig.tar.gz")
        self.create_tarball(origtargz, self.work_dir,
                            os.path.basename(pkgbasedir))

        changemsg = ("Update to SVN enterprise4 branch rev. %d"
                     % (self.revision,))
        self.copy_debian_directory(pkgbasedir, pkgbaseversion,
                                   changemsg)

        self.create_source_package(pkgbasedir, origtargz)
        self.move_source_package(pkgbasename)


class BasePackageTrack(treepkg.packager.PackageTrack):

    extra_config_desc = ["version_template"]

    def __init__(self, *args, **kw):
        self.version_template = kw.pop("version_template")
        super(BasePackageTrack, self).__init__(*args, **kw)


def define_kdepim_packager(basename=None, external_subdirs=None):

    caller_globals = inspect.currentframe().f_back.f_globals

    SourcePackager = caller_globals.get("SourcePackager")
    if SourcePackager is None:
        class SourcePackager(BaseSourcePackager):
            pkg_basename = basename

    class RevisionPackager(treepkg.packager.RevisionPackager):
        source_packager_cls = SourcePackager

    class PackageTrack(BasePackageTrack):
        revision_packager_cls = RevisionPackager

        if external_subdirs is not None:
            svn_external_subdirs = external_subdirs

    caller_globals["PackageTrack"] = PackageTrack