from flask import Blueprint, render_template
from flask_login import login_required, current_user
from sqlalchemy import desc
from ..models import Post, Visibility, ReviewStatus, Follow

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

@bp.route("/")
def home():
    return discover()

@bp.route("/discover")
def discover():
    posts = Post.query.filter(Post.visibility == Visibility.public, Post.status == ReviewStatus.approved).order_by(desc(Post.published_at)).limit(100).all()
    return render_template("feed/discover.html", posts=posts)

@bp.route("/following")
@login_required
def following():
    ids = [f.followee_id for f in Follow.query.filter_by(follower_id=current_user.id).all()]
    q = Post.query.filter(Post.user_id.in_(ids)).filter((Post.visibility == Visibility.followers) | (Post.visibility == Visibility.public))
    posts = q.order_by(desc(Post.created_at)).limit(100).all()
    return render_template("feed/following.html", posts=posts)