"""
This is a setup.py script generated by py2applet

Usage:
    python2.7 setup.py py2app
"""
import sys
import glob
import os
import plistlib
import shutil
import subprocess

from setuptools import setup
from setuptools.extension import Extension

from distutils.file_util import copy_file
from distutils.dir_util import mkpath

from py2app.build_app import py2app as py2app_cmd

if sys.version < '2.7':
    raise RuntimeError('LVC requires Python 2.7')

APP = ['lvc/osx/app_main.py']
DATA_FILES = ['lvc/widgets/osx/Resources-Widgets/MainMenu.nib']
OPTIONS = {
    'iconfile': os.path.join(SETUP_DIR, 'lvc3.icns'),
    'excludes': ['lvc.widgets.gtk'],
    'includes': ['lvc.widgets.osx.fasttypes'],
    'packages': ['lvc', 'lvc.widgets', 'lvc.widgets.osx', 'lvc.ui',
                 'lvc.qtfaststart', 'lvc.resources']
}

# this should work if run from build.sh
BKIT_DIR = os.environ['BKIT_PATH']


def copy_binaries(source, target, binaries):
    mkpath(target)
    for mem in binaries:
        src = os.path.join(BKIT_DIR, source, mem)
        if os.path.islink(src):
            dst = os.path.join(target, mem)
            linkto = os.readlink(src)
            if os.path.exists(dst):
                os.remove(dst)
            os.symlink(linkto, dst)
        else:
            copy_file(src, target, update=True)


def extract_tarball(tar_file, target_directory):
    subprocess.check_call(["tar", "-C", target_directory, "-zxf", tar_file])


class py2app_lvc(py2app_cmd):
    def run(self):
        py2app_cmd.run(self)
        self.setup_directories()
        self.copy_ffmpeg()
        self.copy_sparkle()
        self.copy_update_public_key()
        self.delete_site_py()

    def setup_directories(self):
        self.bundle_root = os.path.join(self.dist_dir,
                                        'Libre Video Converter.app/Contents')
        self.helpers_root = os.path.join(self.bundle_root, 'Helpers')
        self.frameworks_root = os.path.join(self.bundle_root, 'Frameworks')
        self.resources_root = os.path.join(self.bundle_root, 'Resources')
        self.python_lib_root = os.path.join(self.resources_root, 'lib',
                                            'python2.7')

        if os.path.exists(self.helpers_root):
            shutil.rmtree(self.helpers_root)
        os.mkdir(self.helpers_root)

    def copy_ffmpeg(self):
        ffmpeg_files = ["ffmpeg"]
        lib_paths = glob.glob(os.path.join(BKIT_DIR, "ffmpeg", "bin",
                                           "*.dylib"))
        ffmpeg_files.extend(os.path.basename(p) for p in lib_paths)
        copy_binaries('ffmpeg/bin/', self.helpers_root, ffmpeg_files)

    def copy_sparkle(self):
        tarball = os.path.join(BKIT_DIR, "frameworks", "sparkle.1.5b6.tar.gz")
        extract_tarball(tarball, self.frameworks_root)

    def copy_update_public_key(self):
        src = os.path.join(SETUP_DIR, "sparkle-keys", "dsa_pub.pem")
        target = os.path.join(self.resources_root, 'dsa_pub.pem')
        copy_file(src, target, update=True)

    def delete_site_py(self):
        """Delete the site.py symlink.

        This causes issues with codesigning on 10.8 -- possibly because it's a
        symlink that links to a location outside the resources dir.  In any
        case, it's not needed, so let's just nuke it.
        """
        os.unlink(os.path.join(self.python_lib_root, 'site.py'))


plist = plistlib.readPlist(os.path.join(SETUP_DIR, 'Info.plist'))
plist['NSHumanReadableCopyright'] = 'Copyright (C) Jesús E.'
plist['CFBundleGetInfoString'] = 'Libre Video Converter'
plist['CFBundleIdentifier'] = 'org.participatoryculture.MiroVideoConverter'
plist['CFBundleShortVersionString'] = '1.1'
plist['CFBundleExecutable'] = 'Libre Video Converter'
plist['CFBundleName'] = 'Libre Video Converter'
plist['CFBundleVersion'] = '1.1.0'
plist['SUFeedURL'] = ('http://miro-updates.participatoryculture.org/'
                      'lvc-appcast-osx.xml')
plist['SUPublicDSAKeyFile'] = 'dsa_pub.pem'

OPTIONS['plist'] = plist

setup(
    app=APP,
    data_files=DATA_FILES,
    options={'py2app': OPTIONS},
    setup_requires=['py2app'],
    cmdclass={'py2app': py2app_lvc},
    ext_modules=[
        Extension("lvc.widgets.osx.fasttypes",
                  [
                      os.path.join(
                          ROOT_DIR,
                          'lvc', 'widgets',
                          'osx', 'fasttypes.c'
                      )
                  ])
    ],
    **SETUP_ARGS
    )