from flask import (
    Blueprint, render_template, request, redirect, url_for,
    flash
    )
from .users import get_active_user, is_logged_in
from ..models import Users, PasswordResetLinks, MOTD
from ..constants import InfoboxKind
from ..lib.babycode import babycode_to_html, BABYCODE_VERSION
from ..db import db
import secrets
import time

bp = Blueprint("mod", __name__, url_prefix = "/mod/")

@bp.before_request
def _before_request():
    if not is_logged_in():
        return redirect(url_for("users.log_in"))

    if not get_active_user().is_mod():
        return redirect(url_for("topics.all_topics"))


@bp.get("/sort-topics")
def sort_topics():
    topics = db.query("SELECT * FROM topics ORDER BY sort_order ASC")
    return render_template("mod/sort-topics.html", topics = topics)


@bp.post("/sort-topics")
def sort_topics_post():
    with db.transaction():
        for topic_id, new_order in request.form.items():
            db.execute("UPDATE topics SET sort_order = ? WHERE id = ?", new_order, topic_id)

    return redirect(url_for(".sort_topics"))


@bp.get("/user-list")
def user_list():
    users = Users.select()
    return render_template("mod/user-list.html", users = users)


@bp.post("/reset-pass/<user_id>")
def create_reset_pass(user_id):
    now = int(time.time())
    key = secrets.token_urlsafe(20)
    reset_link = PasswordResetLinks.create({
        'user_id': int(user_id),
        'expires_at': now + 24 * 60 * 60,
        'key': key,
    })

    return redirect(url_for('users.reset_link_login', key=key))


@bp.get('/panel')
def panel():
    return render_template('mod/panel.html')


@bp.get('/motd')
def motd_editor():
    current = MOTD.get_all()[0] if MOTD.has_motd() else None
    return render_template('mod/motd.html', current=current)


@bp.post('/motd')
def motd_editor_form():
    orig_body = request.form.get('body', default='')
    title = request.form.get('title', default='')
    data = {
            'title': title,
            'body_original_markup': orig_body,
            'body_rendered': babycode_to_html(orig_body, banned_tags=['img', 'spoiler']),
            'format_version': BABYCODE_VERSION,
            'edited_at': int(time.time()),
    }

    if MOTD.has_motd():
        motd = MOTD.get_all()[0]
        motd.update(data)
        message = 'MOTD updated.'
    else:
        data['created_at'] = int(time.time())
        data['user_id'] = get_active_user().id
        motd = MOTD.create(data)
        message = 'MOTD created.'

    flash(message, InfoboxKind.INFO)
    return redirect(url_for('.motd_editor'))


@bp.post('/motd/delete')
def motd_delete():
    if not MOTD.has_motd():
        flash('No MOTD to delete.', InfoboxKind.WARN)
        return redirect(url_for('.motd_editor'))

    current = MOTD.get_all()[0]
    current.delete()
    flash('MOTD deleted.', InfoboxKind.INFO)
    return redirect(url_for('.motd_editor'))