from flask import redirect, render_template, request, url_for, flash
from flask_security import auth_required, current_user

from advlabdb import app
from advlabdb.utils import setUserActiveSemester, userActiveSemester


@app.context_processor
def util_processor():
    return dict(userActiveSemester=userActiveSemester)


@app.route("/")
def index():
    if current_user.has_role("admin"):
        return redirect(url_for("index") + "admin")
    elif current_user.has_role("assistant"):
        return redirect(url_for("index") + "assistant")
    else:
        return render_template("index.html")


@app.route("/set_semester")
@auth_required()
def set_semester():
    try:
        semesterId = int(request.args.get("semester_id"))
    except Exception as ex:
        flash(str(ex), "error")
    else:
        setUserActiveSemester(semesterId)

    red = request.referrer or url_for("index")
    return redirect(red)