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, settings=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_overwrite=settings)['html_body']

    return content

def get_topmenue():

    menue = [('/competition', _(u'Competition')),

              ('/task', _(u'Task')),

              ('/submission', _(u'Submission')),

              ('/coursematerial', _(u'Coursematerial')),

            ]

    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,

                           competition_info=_(u'About Competition'),

                           dates=_(u'Dates'),

                           impressions=_(u'Impressions'))

@app.route('/de')

def de():

    global LANGUAGE_SELECTED

    LANGUAGE_SELECTED = "de"

    saying, author = get_saying()

    return render_template("/index.html",

                           saying=saying,

                           author=author,

                           competition_info=_(u'About Competition'),

                           dates=_(u'Dates'),

                           impressions=_(u'Impressions'))

@app.route('/en')

def en():

    saying, author = get_saying()

    global LANGUAGE_SELECTED

    LANGUAGE_SELECTED = "en"

    return render_template("/index.html",

                           saying=saying,

                           author=author,

                           competition_info=_(u'About Competition'),

                           dates=_(u'Dates'),

                           impressions=_(u'Impressions'))

@app.route("/competition")

def competition():

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

    content = get_content(filename)

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

@app.route("/task")

def task():

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

    content = get_content(filename)

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

@app.route("/submission")

def submission():

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

    content = get_content(filename)

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

@app.route("/coursematerial")

def coursematerial():

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

    content = get_content(filename)

    return render_template("/content.html", act="coursematerial", 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.route("/privacy")

def privacy():

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

    settings_overrides = {

                           'initial_header_level': 2,

                         }

    content = get_content(filename, settings=settings_overrides)

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

@app.route("/dates")

def dates():

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

    content = get_content(filename)

    return render_template("/content.html",

                           act="dates", content=content)

@app.route("/competition/2013")

def competition_2013():

    return render_template("/impressions_2013.html",

                           act="competition_2013")

@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)