"""
Creates an empty plugin and links it from ~/.config/deluge/plugins
This plugin includes the framework for using the preferences dialog

example:
python create_plugin.py --name MyPlugin2 --basepath . --author-name "Your Name" --author-email "yourname@example.com"

"""

from __future__ import print_function, unicode_literals

import os
import sys
from argparse import ArgumentParser
from datetime import datetime

import deluge.common

parser = ArgumentParser()
parser.add_argument(
    '-n', '--name', metavar='<plugin name>', required=True, help='Plugin name'
)
parser.add_argument('-m', '--module-name', metavar='<module name>', help='Module name')
parser.add_argument(
    '-p', '--basepath', metavar='<path>', required=True, help='Base path'
)
parser.add_argument(
    '-a',
    '--author-name',
    metavar='<author name>',
    required=True,
    help='Author name,for the GPL header',
)
parser.add_argument(
    '-e',
    '--author-email',
    metavar='<author email>',
    required=True,
    help='Author email,for the GPL header',
)
parser.add_argument('-u', '--url', metavar='<URL>', help='Homepage URL')
parser.add_argument(
    '-c',
    '--config',
    metavar='<Config dir>',
    dest='configdir',
    help='Location of deluge configuration',
)

options = parser.parse_args()


def create_plugin():

    if not options.url:
        options.url = ''

    if not os.path.exists(options.basepath):
        print('basepath does not exist')
        return

    if not options.configdir:
        options.configdir = deluge.common.get_default_config_dir()

    options.configdir = os.path.realpath(options.configdir)

    real_name = options.name
    name = real_name.replace(' ', '_')
    safe_name = name.lower()
    if options.module_name:
        safe_name = options.module_name.lower()
    plugin_base = os.path.realpath(os.path.join(options.basepath, name))
    deluge_namespace = os.path.join(plugin_base, 'deluge')
    plugins_namespace = os.path.join(deluge_namespace, 'plugins')
    src = os.path.join(plugins_namespace, safe_name)
    data_dir = os.path.join(src, 'data')
    python_path = sys.executable

    if os.path.exists(plugin_base):
        print('the directory %s already exists, delete it first' % plugin_base)
        return

    def write_file(path, filename, template, include_gpl=True):
        plugin_args = {
            'author_name': options.author_name,
            'author_email': options.author_email,
            'name': name,
            'safe_name': safe_name,
            'filename': filename,
            'plugin_base': plugin_base,
            'python_path': python_path,
            'url': options.url,
            'configdir': options.configdir,
            'current_year': datetime.utcnow().year,
        }

        filename = os.path.join(path, filename)
        with open(filename, 'w') as _file:
            if filename.endswith('.py') and include_gpl:
                _file.write(GPL % plugin_args)
            _file.write(template % plugin_args)

    print('creating folders..')
    os.mkdir(plugin_base)
    os.mkdir(deluge_namespace)
    os.mkdir(plugins_namespace)
    os.mkdir(src)
    os.mkdir(data_dir)

    print('creating files..')
    write_file(plugin_base, 'setup.py', SETUP)
    write_file(deluge_namespace, '__init__.py', NAMESPACE_INIT, False)
    write_file(plugins_namespace, '__init__.py', NAMESPACE_INIT, False)
    write_file(src, '__init__.py', INIT)
    write_file(src, 'gtkui.py', GTKUI)
    write_file(src, 'webui.py', WEBUI)
    write_file(src, 'core.py', CORE)
    write_file(src, 'common.py', COMMON)
    write_file(data_dir, 'config.glade', GLADE)
    write_file(data_dir, '%s.js' % safe_name, DEFAULT_JS)

    # add an input parameter for this?
    print('building dev-link..')
    write_file(plugin_base, 'create_dev_link.sh', CREATE_DEV_LINK)
    dev_link_path = os.path.join(plugin_base, 'create_dev_link.sh')
    os.system('chmod +x %s' % dev_link_path)  # lazy..
    os.system(dev_link_path)


CORE = """
from __future__ import unicode_literals

import logging

import deluge.configmanager
from deluge.core.rpcserver import export
from deluge.plugins.pluginbase import CorePluginBase

log = logging.getLogger(__name__)

DEFAULT_PREFS = {
    'test': 'NiNiNi'
}


class Core(CorePluginBase):
    def enable(self):
        self.config = deluge.configmanager.ConfigManager('%(safe_name)s.conf', DEFAULT_PREFS)

    def disable(self):
        pass

    def update(self):
        pass

    @export
    def set_config(self, config):
        \"\"\"Sets the config dictionary\"\"\"
        for key in config:
            self.config[key] = config[key]
        self.config.save()

    @export
    def get_config(self):
        \"\"\"Returns the config dictionary\"\"\"
        return self.config.config
"""

INIT = """
from deluge.plugins.init import PluginInitBase


class CorePlugin(PluginInitBase):
    def __init__(self, plugin_name):
        from core import Core as PluginClass
        self._plugin_cls = PluginClass
        super(CorePlugin, self).__init__(plugin_name)


class GtkUIPlugin(PluginInitBase):
    def __init__(self, plugin_name):
        from gtkui import GtkUI as PluginClass
        self._plugin_cls = PluginClass
        super(GtkUIPlugin, self).__init__(plugin_name)


class WebUIPlugin(PluginInitBase):
    def __init__(self, plugin_name):
        from webui import WebUI as PluginClass
        self._plugin_cls = PluginClass
        super(WebUIPlugin, self).__init__(plugin_name)
"""


SETUP = """
from setuptools import find_packages, setup

__plugin_name__ = '%(name)s'
__author__ = '%(author_name)s'
__author_email__ = '%(author_email)s'
__version__ = '0.1'
__url__ = '%(url)s'
__license__ = 'GPLv3'
__description__ = ''
__long_description__ = \"\"\"\"\"\"
__pkg_data__ = {'deluge.plugins.'+__plugin_name__.lower(): ['template/*', 'data/*']}

setup(
    name=__plugin_name__,
    version=__version__,
    description=__description__,
    author=__author__,
    author_email=__author_email__,
    url=__url__,
    license=__license__,
    long_description=__long_description__,

    packages=find_packages(),
    namespace_packages=['deluge', 'deluge.plugins'],
    package_data=__pkg_data__,

    entry_points=\"\"\"
    [deluge.plugin.core]
    %%s = deluge.plugins.%%s:CorePlugin
    [deluge.plugin.gtkui]
    %%s = deluge.plugins.%%s:GtkUIPlugin
    [deluge.plugin.web]
    %%s = deluge.plugins.%%s:WebUIPlugin
    \"\"\" %% ((__plugin_name__, __plugin_name__.lower()) * 3)
)
"""

COMMON = """
from __future__ import unicode_literals

import os.path

from pkg_resources import resource_filename


def get_resource(filename):
    return resource_filename('deluge.plugins.%(safe_name)s', os.path.join('data', filename))
"""

GTKUI = """
from __future__ import unicode_literals

import gtk
import logging

import deluge.component as component
from deluge.plugins.pluginbase import GtkPluginBase
from deluge.ui.client import client

from .common import get_resource

log = logging.getLogger(__name__)


class GtkUI(GtkPluginBase):
    def enable(self):
        self.glade = gtk.glade.XML(get_resource('config.glade'))

        component.get('Preferences').add_page('%(name)s', self.glade.get_widget('prefs_box'))
        component.get('PluginManager').register_hook('on_apply_prefs', self.on_apply_prefs)
        component.get('PluginManager').register_hook('on_show_prefs', self.on_show_prefs)

    def disable(self):
        component.get('Preferences').remove_page('%(name)s')
        component.get('PluginManager').deregister_hook('on_apply_prefs', self.on_apply_prefs)
        component.get('PluginManager').deregister_hook('on_show_prefs', self.on_show_prefs)

    def on_apply_prefs(self):
        log.debug('applying prefs for %(name)s')
        config = {
            'test': self.glade.get_widget('txt_test').get_text()
        }
        client.%(safe_name)s.set_config(config)

    def on_show_prefs(self):
        client.%(safe_name)s.get_config().addCallback(self.cb_get_config)

    def cb_get_config(self, config):
        \"\"\"callback for on show_prefs\"\"\"
        self.glade.get_widget('txt_test').set_text(config['test'])
"""

GLADE = """<?xml version="1.0" encoding="UTF-8" standalone="no"?>
<!DOCTYPE glade-interface SYSTEM "glade-2.0.dtd">
<!--Generated with glade3 3.4.5 on Fri Aug  8 23:34:44 2008 -->
<glade-interface>
  <widget class="GtkWindow" id="window1">
    <child>
      <widget class="GtkHBox" id="prefs_box">
        <property name="visible">True</property>
        <child>
          <widget class="GtkLabel" id="label1">
            <property name="visible">True</property>
            <property name="label" translatable="yes">Test config value:</property>
          </widget>
        </child>
        <child>
          <widget class="GtkEntry" id="txt_test">
            <property name="visible">True</property>
            <property name="can_focus">True</property>
          </widget>
          <packing>
            <property name="position">1</property>
          </packing>
        </child>
      </widget>
    </child>
  </widget>
</glade-interface>
"""

WEBUI = """
from __future__ import unicode_literals

import logging

from deluge.plugins.pluginbase import WebPluginBase
from deluge.ui.client import client

from .common import get_resource

log = logging.getLogger(__name__)


class WebUI(WebPluginBase):

    scripts = [get_resource('%(safe_name)s.js')]

    def enable(self):
        pass

    def disable(self):
        pass
"""

DEFAULT_JS = """/*
Script: %(filename)s
    The client-side javascript code for the %(name)s plugin.

Copyright:
    (C) %(author_name)s %(current_year)s <%(author_email)s>

    This file is part of %(name)s and is licensed under GNU General Public License 3.0, or later, with
    the additional special exception to link portions of this program with the OpenSSL library.
    See LICENSE for more details.
*/

%(name)sPlugin = Ext.extend(Deluge.Plugin, {
    constructor: function(config) {
        config = Ext.apply({
            name: '%(name)s'
        }, config);
        %(name)sPlugin.superclass.constructor.call(this, config);
    },

    onDisable: function() {
        deluge.preferences.removePage(this.prefsPage);
    },

    onEnable: function() {
        this.prefsPage = deluge.preferences.addPage(new Deluge.ux.preferences.%(name)sPage());
    }
});
new %(name)sPlugin();
"""

GPL = """#
# -*- coding: utf-8 -*-#

# Copyright (C) %(current_year)d %(author_name)s <%(author_email)s>
#
# Basic plugin template created by:
# Copyright (C) 2008 Martijn Voncken <mvoncken@gmail.com>
#               2007-2009 Andrew Resch <andrewresch@gmail.com>
#               2009 Damien Churchill <damoxc@gmail.com>
#               2010 Pedro Algarvio <pedro@algarvio.me>
#               2017 Calum Lind <calumlind+deluge@gmail.com>
#
# This file is part of %(name)s and is licensed under GNU General Public License 3.0, or later, with
# the additional special exception to link portions of this program with the OpenSSL library.
# See LICENSE for more details.
#

"""

NAMESPACE_INIT = """# this is a namespace package
import pkg_resources
pkg_resources.declare_namespace(__name__)
"""

CREATE_DEV_LINK = """#!/bin/bash
BASEDIR=$(cd `dirname $0` && pwd)
CONFIG_DIR=$( test -z $1 && echo "%(configdir)s" || echo "$1")
[ -d "$CONFIG_DIR/plugins" ] || echo "Config dir \"$CONFIG_DIR\" is either not a directory \
or is not a proper deluge config directory. Exiting"
[ -d "$CONFIG_DIR/plugins" ] || exit 1
cd $BASEDIR
test -d $BASEDIR/temp || mkdir $BASEDIR/temp
export PYTHONPATH=$BASEDIR/temp
%(python_path)s setup.py build develop --install-dir $BASEDIR/temp
cp $BASEDIR/temp/*.egg-link $CONFIG_DIR/plugins
rm -fr $BASEDIR/temp
"""

create_plugin()
