import json
import trimesh
import uuid
import os
import configparser
from datetime import datetime
from flask import Blueprint, render_template, request, redirect, url_for, flash, current_app, session, make_response, send_file, abort, jsonify
from flask_login import login_user, logout_user, login_required, current_user
from werkzeug.security import generate_password_hash, check_password_hash
from werkzeug.utils import secure_filename
from app.models import db, User, PrintFile, SystemConfig
from app.utils.tasks import merge_and_slice_task, slice_stl_task, simplify_stl_task
from app import i18n_dict
# import trimesh.repair
from app.utils.stl_simplifier import simplify_stl


main_bp = Blueprint('main', __name__)


auth_bp = Blueprint('auth', __name__, url_prefix='/auth')
admin_bp = Blueprint('admin', __name__, url_prefix='/admin')

# Guest User Middleware
@auth_bp.route('/login', methods=['GET', 'POST'])
def login():
    if request.method == 'POST':
        username = request.form.get('username')
        password = request.form.get('password')
        user = User.query.filter_by(username=username, is_guest=False).first()
        if user and check_password_hash(user.password_hash, password):
            login_user(user)
            return redirect(url_for('main.index'))
        flash('Invalid username or password', 'danger')
    return render_template('auth/login.html')

@auth_bp.route('/logout')
@login_required
def logout():
    logout_user()
    response = make_response(redirect(url_for('main.index')))
    response.delete_cookie('guest_id') # Optionally clear guest cookie
    return response

# --- Admin Routes ---