# -*- coding: utf-8 -*-

import os

import codecs

from docutils.core import publish_parts

from flask import Flask

from flask import render_template

from flask import request

from flask.ext.babel import gettext as _

from flask.ext.babel import Babel

from config import LANGUAGES

from sayings import get_saying

LANGUAGE_SELECTED = "de"

#ToDo after engelish is implemented set LANGUAGE_SELECTED = None

app = Flask(__name__)

babel = Babel(app)

app.config['BABEL_DEFAULT_LOCALE'] = 'de'

def get_content(filename, overrides=None):

    content = u""

    if os.path.isfile(filename):

        with codecs.open(filename, 'r', 'utf-8') as f:

            rst_data = f.read()

        f.close()

        content = publish_parts(rst_data, writer_name='html', settings_overrides=overrides)['html_body']

    return content

def get_topmenue():

    menue = [

             ('/ozoneloss', _(u'Ozoneloss')),

             ('/eskp', _(u'ESKP')),

             ('/iek-7', _(u'IEK-7')),

            ]

    return menue

app.jinja_env.globals.update(get_topmenue=get_topmenue)

@babel.localeselector

def get_locale():

    """ToDo: if translation is completed, switch to en """

    return LANGUAGE_SELECTED or request.accept_languages.best_match(LANGUAGES.keys()) or 'de'

@app.route("/")

@app.route("/index")

def index():

    saying, author = get_saying()

    return render_template("/index.html",

                           saying=saying,

                           author=author,

                           eskp_info=_(u'About ESKP'),

                           )

@app.route('/de')

def de():

    global LANGUAGE_SELECTED

    LANGUAGE_SELECTED = "de"

    saying, author = get_saying()

    return render_template("/index.html",

                           saying=saying,

                           author=author,

                           eskp_info=_(u'About ESKP'),

                           )

@app.route('/en')

def en():

    saying, author = get_saying()

    global LANGUAGE_SELECTED

    LANGUAGE_SELECTED = "en"

    return render_template("/index.html",

                           saying=saying,

                           author=author,

                           eskp_info=_(u'About ESKP'),

                           )

@app.route("/eskp")

def eskp():

    filename = os.path.join("templates", get_locale(), "rst", "eskp.rst")

    content = get_content(filename)

    return render_template("/content.html", act="eskp", content=content)

@app.route("/ozoneloss")

def task():

    filename = os.path.join("templates", get_locale(), "rst", "ozoneloss.rst")

    content = get_content(filename)

    print content

    print filename

    return render_template("/content.html", act="ozoneloss", content=content)

@app.route("/iek-7")

def submission():

    filename = os.path.join("templates", get_locale(), "rst", "iek-7.rst")

    content = get_content(filename)

    return render_template("/content.html", act="submission", content=content)

@app.route("/imprint")

def imprint():

    filename = os.path.join("templates", get_locale(), "rst", "imprint.rst")

    content = get_content(filename)

    return render_template("/content.html", act="imprint", content=content)

@app.errorhandler(404)

def page_not_found(e):

    msg = _(u"Url: %(url)s not found", url=request.url)

    info = _(u"This information is not available!")

    return render_template("404.html", msg=msg, info=info)

if __name__ == "__main__":

    app.run(host='localhost', port=5014, debug=True)