import logging
import json

from flask import Flask, render_template, g, request, url_for, flash, redirect
from werkzeug.exceptions import abort

import calendar_interface
import db
import auth

app = Flask(__name__)
app.config['SECRET_KEY'] = '\xacI4\x077\x16?Q\xb4")\xdb\x066\x95\x11i\x0b\x0c&\xb6rP\''
app.config['SECURITY_PASSWORD_SALT'] = '>\xe3\x9bz\xfd\xbc[\xe22\xcfK\xca\x88!\xd8\xd5,\xd0\x95\x0c\x02\xad\xfa\x9d'

app.teardown_appcontext(db.close_db)
app.cli.add_command(db.init_db_command)
app.register_blueprint(auth.bp)

@app.route('/')
@auth.login_required
def index():

    events = calendar_interface.get_future_calendar_events().get("value")
    calendar_interface.convert_datetimes(events)

    if events is None:
        abort(404)
    else:
        return render_template('index.html', events=events, user=g.user)

# @app.route('/<int:event_id>')
# def post(post_id):
#     post = get_post(post_id)
#     return render_template('show_event.html', post=post)

@app.route('/<id>/attend')
@auth.login_required
def attend(id):
    event = calendar_interface.get_calendar_event(id)

    user = g.user["username"]
    email = g.user["email"]

    # only update attendees, now the whole event
    data = {}
    data["attendees"] = event["attendees"]

    logging.info("attempting to attend event with user: %s %s", email, user)
    calendar_interface.add_attendee(data, user, email)

    logging.info("Sending data for attendee update:\n%s", json.dumps(data, indent=2))
    calendar_interface.update_calendar_event(id, data)    

    return redirect(url_for('index'))

@app.route('/<id>/unattend')
@auth.login_required
def unattend(id):
    event = calendar_interface.get_calendar_event(id)

    user = g.user["username"]
    email = g.user["email"]

    # only update attendees, now the whole event
    data = {}
    data["attendees"] = event["attendees"]

    logging.info("attempting to unattend event with user: %s %s", email, user)
    calendar_interface.delte_attendee(data, email)

    logging.info("Sending data for attendee update:\n%s", json.dumps(data, indent=2))
    calendar_interface.update_calendar_event(id, data)    

    return redirect(url_for('index'))