from flask import url_for, render_template, flash
from advlabdb.customClasses import SecureModelView
from flask_admin.menu import MenuLink
from flask_security import hash_password
from wtforms import BooleanField

from advlabdb import admin, app, user_datastore, db
from advlabdb.models import *
from advlabdb.utils import randomPassword

class UserModelView(SecureModelView):
    column_list = ["email", "active", "roles", "assistant"]
    column_searchable_list = ["email"]
    column_filters = ["active"]
    form_columns = ["email", "roles"]

    def create_model(self, form):
        password = randomPassword()
        passwordHash = hash_password(password)

        email = form.email.data.lower()
        print(form.roles.data[0].name)

        roles = [role.name for role in form.roles.data]
        if "admin" in roles:
            flash("You have registered a new admin!", "danger")

        model = user_datastore.create_user(email=email, password=passwordHash, roles=roles)
        db.session.commit()
        flash(f"{email} registered with roles: {', '.join([role.name for role in form.roles.data])}.", category="success")
        flash(f"Random password: {password}", category="warning")
        return model


class RoleModelView(SecureModelView):
    column_exclude_list = ["update_datetime"]


class SemesterModelView(SecureModelView):
    column_list = ["label", "parts"]
    form_columns = ["label", "create_parts"]

    parts = ["A/1", "A/2", "B/1", "B/2"]

    form_extra_fields = {
        "create_parts": BooleanField("Create parts:" + ", ".join(parts) + ".", default=True)
    }

    def after_model_change(self, form, model, is_created):
        if is_created and form.create_parts.data:
            for part in self.parts:
                db.session.add(Part(label=part, semester=model))
            db.session.commit()


class PartModelView(SecureModelView):
    can_view_details = True
    column_details_list = ["label", "semester", "part_experiments", "part_students", "groups"]
    form_columns = ["label", "semester"]

admin.add_view(SecureModelView(Student, db.session))
admin.add_view(SecureModelView(PartStudent, db.session))
admin.add_view(SecureModelView(Group, db.session))
admin.add_view(SecureModelView(GroupExperiment, db.session))
admin.add_view(SecureModelView(Experiment, db.session))
admin.add_view(SecureModelView(PartExperiment, db.session))
admin.add_view(SecureModelView(Assistant, db.session))
admin.add_view(SecureModelView(Appointment, db.session))
admin.add_view(PartModelView(Part, db.session))
admin.add_view(SemesterModelView(Semester, db.session))
admin.add_view(SecureModelView(ExperimentMark, db.session))
admin.add_view(UserModelView(User, db.session))
admin.add_view(RoleModelView(Role, db.session))

with app.app_context():
    admin.add_link(MenuLink(name="Home", url=url_for("index"), category="Links"))