#!/usr/bin/env python3

# OpenEmbedded Development tool
#
# Copyright (C) 2014-2015 Intel Corporation
#
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License version 2 as
# published by the Free Software Foundation.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License along
# with this program; if not, write to the Free Software Foundation, Inc.,
# 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.

import sys
import os
import argparse
import glob
import re
import configparser
import subprocess
import logging

basepath = ''
workspace = {}
config = None
context = None


scripts_path = os.path.dirname(os.path.realpath(__file__))
lib_path = scripts_path + '/lib'
sys.path = sys.path + [lib_path]
from devtool import DevtoolError, setup_tinfoil
import scriptutils
import argparse_oe
logger = scriptutils.logger_create('devtool')

plugins = []


class ConfigHandler(object):
    config_file = ''
    config_obj = None
    init_path = ''
    workspace_path = ''

    def __init__(self, filename):
        self.config_file = filename
        self.config_obj = configparser.ConfigParser()

    def get(self, section, option, default=None):
        try:
            ret = self.config_obj.get(section, option)
        except (configparser.NoOptionError, configparser.NoSectionError):
            if default != None:
                ret = default
            else:
                raise
        return ret

    def read(self):
        if os.path.exists(self.config_file):
            self.config_obj.read(self.config_file)

            if self.config_obj.has_option('General', 'init_path'):
                pth = self.get('General', 'init_path')
                self.init_path = os.path.join(basepath, pth)
                if not os.path.exists(self.init_path):
                    logger.error('init_path %s specified in config file cannot be found' % pth)
                    return False
        else:
            self.config_obj.add_section('General')

        self.workspace_path = self.get('General', 'workspace_path', os.path.join(basepath, 'workspace'))
        return True


    def write(self):
        logger.debug('writing to config file %s' % self.config_file)
        self.config_obj.set('General', 'workspace_path', self.workspace_path)
        with open(self.config_file, 'w') as f:
            self.config_obj.write(f)

    def set(self, section, option, value):
        if not self.config_obj.has_section(section):
            self.config_obj.add_section(section)
        self.config_obj.set(section, option, value)

class Context:
    def __init__(self, **kwargs):
        self.__dict__.update(kwargs)


def read_workspace():
    global workspace
    workspace = {}
    if not os.path.exists(os.path.join(config.workspace_path, 'conf', 'layer.conf')):
        if context.fixed_setup:
            logger.error("workspace layer not set up")
            sys.exit(1)
        else:
            logger.info('Creating workspace layer in %s' % config.workspace_path)
            _create_workspace(config.workspace_path, config, basepath)
    if not context.fixed_setup:
        _enable_workspace_layer(config.workspace_path, config, basepath)

    logger.debug('Reading workspace in %s' % config.workspace_path)
    externalsrc_re = re.compile(r'^EXTERNALSRC(_pn-([^ =]+))? *= *"([^"]*)"$')
    for fn in glob.glob(os.path.join(config.workspace_path, 'appends', '*.bbappend')):
        with open(fn, 'r') as f:
            pnvalues = {}
            for line in f:
                res = externalsrc_re.match(line.rstrip())
                if res:
                    recipepn = os.path.splitext(os.path.basename(fn))[0].split('_')[0]
                    pn = res.group(2) or recipepn
                    # Find the recipe file within the workspace, if any
                    bbfile = os.path.basename(fn).replace('.bbappend', '.bb').replace('%', '*')
                    recipefile = glob.glob(os.path.join(config.workspace_path,
                                                        'recipes',
                                                        recipepn,
                                                        bbfile))
                    if recipefile:
                        recipefile = recipefile[0]
                    pnvalues['srctree'] = res.group(3)
                    pnvalues['bbappend'] = fn
                    pnvalues['recipefile'] = recipefile
                elif line.startswith('# srctreebase: '):
                    pnvalues['srctreebase'] = line.split(':', 1)[1].strip()
            if pnvalues:
                if not pnvalues.get('srctreebase', None):
                    pnvalues['srctreebase'] = pnvalues['srctree']
                logger.debug('Found recipe %s' % pnvalues)
                workspace[pn] = pnvalues

def create_workspace(args, config, basepath, workspace):
    if args.layerpath:
        workspacedir = os.path.abspath(args.layerpath)
    else:
        workspacedir = os.path.abspath(os.path.join(basepath, 'workspace'))
    _create_workspace(workspacedir, config, basepath)
    if not args.create_only:
        _enable_workspace_layer(workspacedir, config, basepath)

def _create_workspace(workspacedir, config, basepath):
    import bb

    confdir = os.path.join(workspacedir, 'conf')
    if os.path.exists(os.path.join(confdir, 'layer.conf')):
        logger.info('Specified workspace already set up, leaving as-is')
    else:
        # Add a config file
        bb.utils.mkdirhier(confdir)
        with open(os.path.join(confdir, 'layer.conf'), 'w') as f:
            f.write('# ### workspace layer auto-generated by devtool ###\n')
            f.write('BBPATH =. "$' + '{LAYERDIR}:"\n')
            f.write('BBFILES += "$' + '{LAYERDIR}/recipes/*/*.bb \\\n')
            f.wri
require xorg-app-common.inc

SUMMARY = "X Window System initializer"

DESCRIPTION = "The xinit program is used to start the X Window System \
server and a first client program on systems that cannot start X \
directly from /etc/init or in environments that use multiple window \
systems. When this first client exits, xinit will kill the X server and \
then terminate."

LIC_FILES_CHKSUM = "file://COPYING;md5=18f01e7b39807bebe2b8df101a039b68"

PE = "1"

SRC_URI[md5sum] = "2da154b2f80ca9637b1a17b13af0880c"
SRC_URI[sha256sum] = "230835eef2f5978a1e1344928168119373f6df1d0a32c09515e545721ee582ef"

EXTRA_OECONF = "ac_cv_path_MCOOKIE=${bindir}/mcookie"

RDEPENDS_${PN} += "util-linux-mcookie"