from flask import Blueprint, flash, redirect, request, url_for
from flask_login import current_user
from flask_security.decorators import auth_required

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

bp = Blueprint("main", __name__, root_path="/", template_folder="templates")


@bp.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)


@bp.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"))

    url = url_for(endpoint_base + ".index")

    return redirect(url)


@bp.route("/post-login")
@auth_required()
def post_login():
    current_active_semester = current_user.active_semester

    if current_active_semester.done:
        last_semester = Semester.lastSemester()

        if not last_semester.done:
            try:
                current_user.active_semester = last_semester

                db.session.commit()
            except Exception as ex:
                flash(str(ex), "error")

                db.session.rollback()
            else:
                flash(
                    f"Active semester changed to {last_semester} because the semester {current_active_semester} was marked as done!",
                    "warning",
                )

    if current_user.has_role("admin"):
        endpoint_base = "admin"
    else:
        endpoint_base = "assistant"

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

    return redirect(url)