from flask import (
    abort,
    redirect, 
    render_template, 
    send_from_directory,
    url_for
)
from flask_breadcrumbs import register_breadcrumb
from flask_login import current_user
import os
from app.models import User
from . import bp
from .utils import user_dynamic_list_constructor as user_dlc


@bp.route('')
@register_breadcrumb(bp, '.', '<i class="material-icons left">group</i>Users')
def users():
    return redirect(url_for('main.social_area', _anchor='users'))


@bp.route('/<hashid:user_id>')
@register_breadcrumb(bp, '.entity', '', dynamic_list_constructor=user_dlc)
def user(user_id):
    user = User.query.get_or_404(user_id)
    if not (user.is_public or user == current_user or current_user.is_administrator()):
        abort(403)
    return render_template(
        'users/user.html.j2',
        title=user.username,
        user=user
    )


@bp.route('/<hashid:user_id>/avatar')
def user_avatar(user_id):
    user = User.query.get_or_404(user_id)
    if not (user.is_public or user == current_user or current_user.is_administrator()):
        abort(403)
    if user.avatar is None:
        return redirect(url_for('static', filename='images/user_avatar.png'))
    return send_from_directory(
        os.path.dirname(user.avatar.path),
        os.path.basename(user.avatar.path),
        as_attachment=True,
        attachment_filename=user.avatar.filename,
        mimetype=user.avatar.mimetype
    )