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

from . import app, db
from .model_dependent_funs import active_semester_str
from .models import Semester


@app.context_processor
def util_processor():
    author_email = "mobitar@students.uni-mainz.de"
    footer = f"<hr><p style='font-size:14px;'>This website is still under development (beta release)! If you have any questions, find any bugs or want some feature, please write a formless email (german/english) to Mo Bitar: <a href='mailto:{author_email}'>{author_email}</a>. Feedback is also welcome :)</p><br>"
    return dict(active_semester_str=active_semester_str, current_user=current_user, footer=footer)


@app.route("/")
def index():
    if current_user.has_role("admin"):
        endpoint_base = "admin"
    elif current_user.has_role("assistant"):
        endpoint_base = "assistant"
    else:
        return redirect(url_for("security.login"))

    if current_user.login_count == 1:
        url = url_for(endpoint_base + ".docs_view")
    else:
        url = url_for(endpoint_base + ".index")

    return redirect(url)


@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:
        semester = db.session.get(Semester, semesterId)
        current_user.setActiveSemester(semester)

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