import logging
logging.basicConfig(format='%(asctime)s : %(levelname)s : %(message)s', level=logging.INFO)


# Flask application to serve the web pages
from flask import Flask, render_template, request, redirect, url_for

# Mediawiki client to interact with the Wiki
import mwclient

# BS to read the html table from the wiki
from bs4 import BeautifulSoup


# os and dotenv to store the mediawiki credentials in a safe place
import os
from dotenv import load_dotenv
from pathlib import Path

# load the mediawiki credentials from the shared folder
dotenv_path = Path("/var/www/.mw-credentials")
load_dotenv(dotenv_path=dotenv_path)




# prefix to add /soupboat/padliography to all the routes
# and to leave the @app.route() decorator more clean

class PrefixMiddleware(object):
    def __init__(self, app, prefix=""):
        self.app = app
        self.prefix = prefix

    def __call__(self, environ, start_response):

        if environ["PATH_INFO"].startswith(self.prefix):
            environ["PATH_INFO"] = environ["PATH_INFO"][len(self.prefix) :]
            environ["SCRIPT_NAME"] = self.prefix
            return self.app(environ, start_response)
        else:
            start_response("404", [("Content-Type", "text/plain")])
            return ["This url does not belong to the app.".encode()]


# create flask application
app = Flask(__name__)


# Url prefix for the soupboat
base_url = "/soupboat/padliography"

# Page of the wiki with the pads
padliography = 'Padliography2'

# register the middleware to prefix all the requests with our base_url
app.wsgi_app = PrefixMiddleware(app.wsgi_app, prefix=base_url)


def add_pad(link, title, overview, categories, date):

    site = mwclient.Site('pzwiki.wdka.nl', path='/mw-mediadesign/')

    site.login(
    username=os.environ.get('MW_BOT'),
    password=os.environ.get('MW_KEY')
    )
    
    page = site.pages[padliography]
    text = page.text()


    new_row = f'|-\n| {link} || {title} || {overview} || {categories} || {date}\n|-\n' + '|}'
    
    text = text.replace('|}', new_row)
    
    page.edit(text, f'New pad in the {padliography}: {title}')


def get_pads():

    site = mwclient.Site('pzwiki.wdka.nl', path='/mw-mediadesign/')

    site.login(
    username=os.environ.get('MW_BOT'),
    password=os.environ.get('MW_KEY')
    )

    html = site.api('parse', prop='text', page=padliography)
    pads = BeautifulSoup(html['parse']['text']['*']).find("table", attrs={"class":"padliography"})
    
    return pads
    



@app.route('/')
def home():

    pads = get_pads()



    return render_template('index.html', pads=pads)


@app.route('/add')
def add():

    link = request.args.get('link', None)
    title = request.args.get('title', None)
    overview = request.args.get('overview', '')
    categories = request.args.get('categories', '')
    date = request.args.get('date', None)

    if None not in (link, title, date):
        add_pad(link, title, overview, categories, date)
        redirect(url_for('home'))

    return render_template('index.html')


app.run(port=3146)