# Copyright (C) 2007 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.

"""Packager that builds KDE-PIM debian packages from the enterprise branch"""

import os
import time
import re

import treepkg.util
import treepkg.packager


class SourcePackager(treepkg.packager.SourcePackager):

    pkg_basename = "kdepim"

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

    def kdepim_version(self, directory):
        """Determine the kdepim version.

        The version is taken from the kdepim.lsm file.
        """
        return treepkg.util.extract_lsm_version(os.path.join(directory,
                                                             "kdepim.lsm"))

    def determine_package_version(self, directory):
        enterprise_version = self.enterprise_version
        kdepimversion = self.kdepim_version(directory)
        version_template = "%(kdepimversion)s.enterprise.0.%(enterprise_version)s"
        return version_template % locals()

    def update_version_numbers(self, pkgbasedir):
        """Overrides the inherited method to update version numbers in the code
        """
        versionstring = "(enterprise %s)" % self.enterprise_version
        for versionfile in ["kmail/kmversion.h", "kontact/src/main.cpp",
                            "korganizer/version.h"]:
            filename = os.path.join(pkgbasedir, versionfile)
            patched = re.sub("\(enterprise ([^)]*)\)", versionstring,
                              open(filename).read())
            f = open(filename, "w")
            f.write(patched)
            f.close()

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

        pkgbasename = "kdepim_" + 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 enterprise branch rev. %d"
                     % (self.revision,))
        self.copy_debian_directory(pkgbasedir, pkgbaseversion,
                                   changemsg)

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


class RevisionPackager(treepkg.packager.RevisionPackager):

    source_packager_cls = SourcePackager


class PackageTrack(treepkg.packager.PackageTrack):

    revision_packager_cls = RevisionPackager

    svn_external_subdirs = ["admin"]