import os
import sys
from datetime import datetime, timedelta
import json
import traceback

# third-party
from flask import (
    redirect,
    render_template,
    Response,
    request,
    jsonify,
    send_from_directory,
)
from flask_login import login_user, logout_user, current_user, login_required

# sjva 공용
from framework import (
    app,
    db,
    version,
    USERS,
    login_manager,
    logger,
    path_data,
    check_api,
)
import system


@app.route("/login", methods=["GET", "POST"])
def login():
    if request.method == "POST":
        username = request.form["username"]
        password = request.form["password"]
        remember = request.form["remember"] == "True"
        if username not in USERS:
            return jsonify("no_id")
        elif not USERS[username].can_login(password):
            return jsonify("wrong_password")
        else:
            USERS[username].authenticated = True
            login_user(USERS[username], remember=remember)
            return jsonify("redirect")
    else:
        if (
            db.session.query(system.ModelSetting)
            .filter_by(key="use_login")
            .first()
            .value
            == "False"
        ):
            username = (
                db.session.query(system.ModelSetting)
                .filter_by(key="id")
                .first()
                .value
            )
            logger.debug(f"username:: {username}")
            logger.debug(f"USERS:: {USERS}")
            USERS[username].authenticated = True
            login_user(USERS[username], remember=True)
            # current_user = USERS[username]
            return redirect(request.args.get("next"))

        return render_template("login.html", next=request.args.get("next"))


@app.errorhandler(401)
def custom_401(error):

    # return Response('<Why access is denied string goes here...>', 401, {'WWW-Authenticate':'Basic realm="Login Required"'})
    return "login_required"


# important!!
@login_manager.user_loader
def user_loader(user_id):
    return USERS[user_id]


# ============================================================================
# API
# ============================================================================
@app.route("/")
@app.route("/None")
@app.route("/home")
def home():
    logger.warning(request.host_url)
    return redirect("/system/home")


@app.route("/version")
def get_version():
    # return jsonify(version)
    return version