from flask import Blueprint
from flask import flash
from flask import g
from flask import redirect
from flask import render_template
from flask import request
from flask import url_for
from werkzeug.exceptions import abort
from flask import session

from .auth import login_required
from .db import get_db


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


@bp.route("/", methods=["GET", "POST"])
def qr() -> None:
    match request.method:
        case "GET":
            return render_template("qr.html")
        case "POST":   # qr.html에서 `다음` 버튼 눌렀을 때
            return render_template("introduction.html")