from datetime import datetime

import requests
from flask import Flask, render_template, Response


app = Flask(__name__)

DAKA_MENU_XML_URL = ("http://campusdining.compass-usa.com/wpi/Pages/"
                     "SignageXML.aspx?location=Pulse+On+Dining+Marketplace")


def its_april_fools():
    now = datetime.now()
    return now.month == 4 and now.day == 1


@app.route('/')
def index():
    xsl_header = ('<?xml version="1.0"?>'
                  '<?xml-stylesheet type="text/xsl" href="pod_menu.xsl"?>')
    xml_file = requests.get(DAKA_MENU_XML_URL).text
    return Response(xsl_header + xml_file, mimetype='text/xml')


@app.route('/pod_menu.xsl')
def pod_menu():
    xsl = render_template("pod_menu.xsl",
                          easter_egg=its_april_fools(),
                          date=datetime.now().strftime("%A, %B %d, %Y"))
    return Response(xsl, mimetype='text/xsl')


if __name__ == '__main__':
    app.run('0.0.0.0', port=5000, debug=True)