#!/usr/bin/env python3
# -*- coding: utf-8 -*-

"""
Script to generate the gitea landing page for git.friendi.ca with strings
from the translation files. The generated 'home.tmpl' then has to be
placed into the 'custom/templates' directory of the gitea installation.

Authors:
* Tobias Diekershoff <tobias.diekershoff(@)gmx.net>

Copyright (c) 2018

Permission is hereby granted, free of charge, to any person obtaining a copy
of this software and associated documentation files (the "Software"), to deal
in the Software without restriction, including without limitation the rights
to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
copies of the Software, and to permit persons to whom the Software is
furnished to do so, subject to the following conditions:

The above copyright notice and this permission notice shall be included in all
copies or substantial portions of the Software.

THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
SOFTWARE.
"""
import gettext
import os

# define dummy _ function for pygettext to find the translate-able strings
def _(message): return message

# constant strings for the webpage
str_collection = _("Collection of the git repositories of the <a href='https://friendi.ca' target='_new'>Friendica</a> project.")
str_header1    = _("Easy to install")
str_box1       = _("All you need is PHP and a MySQL database. Installation can be done via file upload, git or docker.")
str_header2    = _("Free Software")
str_box2       = _("Friendica is Free Software, licensed under the terms of the AGPLv3 (or later). The entire source code is hosted at <a href='https://git.friendi.ca/friendica/friendica'>git.friendi.ca</a>. Join us by contributing to make this project even better. Don't be shy to <a href='https://git.friendi.ca/friendica/friendica/src/branch/develop/doc/Developers-Intro.md'>be a contributor</a>!")
str_header3    = _("Decentralization")
str_box3       = _("Decentralized architecture with no central authority or ownership. Relationships can be made across any compatible system, creating a network of Internet scale made up of smaller sites. Seamless wall-to-wall posts and remote comments, even across different network nodes.")
str_header4    = _("Interoperability")
str_box4       = _("Friendica has build in support for the ActivityPub (e.g. Hubzilla, Mastodon, Pleroma, Pixelfed, Socialhome), OStatus (e.g. GNU social) and diaspora* (e.g. diaspora*) protocol. With additional addons you can bridge to more networks like pump.io, Twitter and others.") 
# we don't need the dummy anymore
del _

# which translations do we have? and where to find them
myDomain           = "messages"
languageDirectory  = 'lang'
fn = os.path.join(os.path.abspath(os.path.dirname(__file__)), languageDirectory)
# once there are translations, this list is used to hold the lng-codes
# of the available translations. Later in the script, when the home.tmpl
# is created, we'll loop over all these languages.
translations       = ['de-DE', 'nl-NL', 'it-IT', 'pl-PL', 'cs-CZ', 'en-GB',
        'ja-JA']
count = len(translations)
languages          = {}
# read in all the available translation for later usage
for lng in translations:
	l = gettext.translation(domain=myDomain, localedir=fn, languages=[lng])
	languages[lng] = l
# for the beginning and ending of the if ... else if ... else cascade
ifelse = {0: '\n{{if eq .Lang "{{lngcode}}"}}\n', count: '\n{{else}}\n'}	      
# The icons from font awesome used for the four info box titles
icons              = {'ul' : '<i class="octicon octicon-rocket"></i>',
                      'ur' : '<i class="octicon octicon-code"></i>',
                      'll' : '<i class="octicon octicon-globe"></i>',
                      'lr' : '<i class="octicon octicon-organization"></i>'}
# header block of the template
templateHead       = """{{template "base/head" .}}
<div class="home">
	<div class="ui stackable middle very relaxed page grid">
		<div class="sixteen wide center aligned centered column">
			<div>
				<img class="logo" src="{{AppSubUrl}}/img/friendica-128.png" />
			</div>
			<div class="hero">
				<h1 class="ui icon header title">
					Friendica
				</h1>
"""
# template for the subtitle in the header
templateCollection = "				<h2>{{CollectionOfRepositories}}</h2>"
# closing the header
templateMedium     = """
			</div>
		</div>
	</div>
"""
# The info boxes, there are four in total, this template holds 2 divs (left and right)
templateInfoBox    = """		<div class="ui stackable middle very relaxed page grid">
			<div class="eight wide center column">
				<h1 class="hero ui icon header">
					{{Licon}} {{Lheader}}
				</h1>
				<p class="large">
				    {{Lbody}}
				</p>
			</div>
			<div class="eight wide center column">
				<h1 class="hero ui icon header">
					{{Ricon}} {{Rheader}}
				</h1>
				<p class="large">
					{{Rbody}}
				</p>
			</div>
		</div>
"""
# closing the page
templateFooter     = """</div>
{{template "base/footer" .}}
"""

# templates and preparation done, generate the home.tmpl file containing all ready languages
with open('custom/templates/home.tmpl', mode='w', encoding='utf-8') as outFile: 
	outFile.write(templateHead)
	if count:
		for i in range(count+1):
			try:
				# for all languages except the default
				lng = translations[i]
				l = languages[translations[i]]
				_ = l.gettext
				l.install()
				outString = _(str_collection)
			except:
				# last entry in the cascade is the default (EN) language
				lng = 'en'
				outString = str_collection
			if i in [0, count]:
				# opening and ending of the if ... else if ... else cascade need special treatment
				outFile.write(ifelse[i].replace('{{lngcode}}', lng))
			else:
				outFile.write('\n{{else if eq .Lang "{{lngcode}}"}}\n'.replace('{{lngcode}}', lng))
			outFile.write(templateCollection.replace("{{CollectionOfRepositories}}", outString))
		outFile.write('\n{{end}}\n')
	else:
		# if not, we just take the line for the base language
		outFile.write(templateCollection.replace("{{CollectionOfRepositories}}", str_collection))
	outFile.write(templateMedium)
	# now add the info boxes in all translations and the base language
	if count:
		for i in range(count+1):
			try:
				lng = translations[i]
				l = languages[translations[i]]
				_ = l.gettext
				l.install()
			except:
				lng = 'en'
			if i in [0, count]:
				# opening and ending of the if ... else if ... else cascade need special treatment
				outFile.write(ifelse[i].replace('{{lngcode}}', lng))
			else:
				outFile.write('\n{{else if eq .Lang "{{lngcode}}"}}\n'.replace('{{lngcode}}', lng))
			if not i == count:
				# a translation
				# upper row of info boxes
				tmpText = templateInfoBox.replace('{{Licon}}', icons['ul']).replace('{{Ricon}}', icons['ur'])
				tmpText = tmpText.replace('{{Lheader}}', _(str_header1)).replace('{{Rheader}}', _(str_header2))
				tmpText = tmpText.replace('{{Lbody}}', _(str_box1)).replace('{{Rbody}}', _(str_box2))
				outFile.write(tmpText)
				# lower row of info boxes
				tmpText = templateInfoBox.replace('{{Licon}}', icons['ll']).replace('{{Ricon}}', icons['lr'])
				tmpText = tmpText.replace('{{Lheader}}', _(str_header3)).replace('{{Rheader}}', _(str_header4))
				tmpText = tmpText.replace('{{Lbody}}', _(str_box3)).replace('{{Rbody}}', _(str_box4))
				outFile.write(tmpText)
			else:
				# finally the default language
				# upper row of info boxes
				tmpText = templateInfoBox.replace('{{Licon}}', icons['ul']).replace('{{Ricon}}', icons['ur'])
				tmpText = tmpText.replace('{{Lheader}}', str_header1).replace('{{Rheader}}', str_header2)
				tmpText = tmpText.replace('{{Lbody}}', str_box1).replace('{{Rbody}}', str_box2)
				outFile.write(tmpText)
				# lower row of info boxes
				tmpText = templateInfoBox.replace('{{Licon}}', icons['ll']).replace('{{Ricon}}', icons['lr'])
				tmpText = tmpText.replace('{{Lheader}}', str_header3).replace('{{Rheader}}', str_header4)
				tmpText = tmpText.replace('{{Lbody}}', str_box3).replace('{{Rbody}}', str_box4)
				outFile.write(tmpText)
				outFile.write('\n{{end}}\n')
	else:
		# if not, it is only the base language
		# upper row of info boxes
		tmpText = templateInfoBox.replace('{{Licon}}', icons['ul']).replace('{{Ricon}}', icons['ur'])
		tmpText = tmpText.replace('{{Lheader}}', str_header1).replace('{{Rheader}}', str_header2)
		tmpText = tmpText.replace('{{Lbody}}', str_box1).replace('{{Rbody}}', str_box2)
		outFile.write(tmpText)
		# lower row of info boxes
		tmpText = templateInfoBox.replace('{{Licon}}', icons['ll']).replace('{{Ricon}}', icons['lr'])
		tmpText = tmpText.replace('{{Lheader}}', str_header3).replace('{{Rheader}}', str_header4)
		tmpText = tmpText.replace('{{Lbody}}', str_box3).replace('{{Rbody}}', str_box4)
		outFile.write(tmpText)
	outFile.write(templateFooter)
	outFile.close()