import arrow
from flask import redirect, url_for, request, flash
from flask_admin import expose, AdminIndexView
from flask_admin.actions import action
from flask_admin.contrib import sqla
from flask_login import current_user

from app.models import User, ManualSubscription


class SLModelView(sqla.ModelView):
    column_default_sort = ("id", True)
    column_display_pk = True

    can_edit = False
    can_create = False
    can_delete = False
    edit_modal = True

    def is_accessible(self):
        return current_user.is_authenticated and current_user.is_admin

    def inaccessible_callback(self, name, **kwargs):
        # redirect to login page if user doesn't have access
        return redirect(url_for("auth.login", next=request.url))


class SLAdminIndexView(AdminIndexView):
    @expose("/")
    def index(self):
        if not current_user.is_authenticated or not current_user.is_admin:
            return redirect(url_for("auth.login", next=request.url))

        return super(SLAdminIndexView, self).index()


class UserAdmin(SLModelView):
    column_searchable_list = ["email", "id"]
    column_exclude_list = [
        "salt",
        "password",
        "otp_secret",
        "last_otp",
        "fido_uuid",
        "profile_picture",
    ]
    can_edit = True

    def scaffold_list_columns(self):
        ret = super().scaffold_list_columns()
        ret.insert(0, "upgrade_channel")
        return ret

    @action(
        "education_upgrade",
        "Education upgrade",
        "Are you sure you want to edu-upgrade selected users?",
    )
    def action_edu_upgrade(self, ids):
        query = User.query.filter(User.id.in_(ids))

        for user in query.all():
            if user.is_premium() and not user.in_trial():
                continue

            ManualSubscription.create(
                user_id=user.id,
                end_at=arrow.now().shift(years=1, days=1),
                comment="Edu",
                is_giveaway=True,
                commit=True,
            )

            flash(f"{user} is edu upgraded")


class EmailLogAdmin(SLModelView):
    column_searchable_list = ["id"]

    can_edit = False
    can_create = False


class AliasAdmin(SLModelView):
    column_searchable_list = ["id", "user.email", "email", "mailbox.email"]