from flask import Blueprint, render_template, jsonify, request, redirect, url_for
from flask_login import login_required
from sqlalchemy.orm import sessionmaker
from sqlalchemy import create_engine, text
from config import DB_PATH, BASE_URL
from .models import Region  # Импортируем модель региона

# Создаём Blueprint
bp_dashboard = Blueprint('dashboard', __name__, url_prefix='/telezab/')
bp_api = Blueprint('api', __name__, url_prefix='/telezab/rest/api')

db_engine = create_engine(f'sqlite:///{DB_PATH}')
Session = sessionmaker(bind=db_engine)

# Роуты для отображения страниц
@bp_dashboard.route('/')
# @login_required
def dashboard():
    return render_template('index.html')

@bp_dashboard.route('/users')
# @login_required
def users_page():
    return render_template('users.html')

@bp_dashboard.route('/logs')
# @login_required
def logs_page():
    return render_template('logs.html')

@bp_dashboard.route('/regions')
# @login_required
def regions_page():
    return render_template('regions.html')

# Роуты для API
@bp_api.route('/users', methods=['GET'])
def get_users():
    page = request.args.get('page', 1, type=int)
    per_page = request.args.get('per_page', 20, type=int)

    session = Session()
    query = text("""
        SELECT w.chat_id, w.username, w.user_email ,s.region_id, s.disaster_only
        FROM whitelist w
        LEFT JOIN subscriptions s ON w.chat_id = s.chat_id AND s.active = 1
    """)

    users = session.execute(query).fetchall()

    # Если users пустые, выводим сообщение в консоль
    if not users:
        print("No users found")

    # Группируем подписки по chat_id
    user_dict = {}
    for u in users:
        chat_id = u[0]
        if chat_id not in user_dict:
            disaster_only_text = "Только критические уведомления" if u[4] == 1 else "Все уведомления"
            # is_blocked = "Заблокирован" if u[5] == 1 else "Активен"
            user_dict[chat_id] = {
                'id': u[0],
                'username': u[1],
                'email': u[2],
                'subscriptions': [],
                'disaster_only': disaster_only_text,
                # 'status': is_blocked
            }
        if u[3]:
            user_dict[chat_id]['subscriptions'].append(u[3])

    users_list = list(user_dict.values())
    total_users = len(users_list)
    total_pages = (total_users + per_page - 1) // per_page
    start = (page - 1) * per_page
    end = start + per_page
    users_page = users_list[start:end]

    session.close()

    return jsonify({
        'users': users_page,
        'total_users': total_users,
        'total_pages': total_pages,
        'current_page': page,
        'per_page': per_page
    })

@bp_api.route('/regions', methods=['GET', 'POST'])
def manage_regions():
    session = Session()
    if request.method == 'POST':
        data = request.json
        region_id = data.get('region_id')
        name = data.get('name')
        active = data.get('active', True)

        region = Region(region_id=region_id, region_name=name, active=active)
        session.add(region)
        session.commit()
        return jsonify({'status': 'success'})

    regions = session.query(Region).all()
    session.close()
    return jsonify([{'region_id': r.region_id, 'name': r.region_name, 'active': r.active} for r in regions])

@bp_api.route('/regions/<int:region_id>', methods=['PUT', 'DELETE'])
def edit_region(region_id):
    session = Session()
    region = session.query(Region).filter_by(region_id=region_id).first()

    if request.method == 'PUT':
        data = request.json
        region.region_name = data.get('name', region.region_name)
        region.active = data.get('active', region.active)
        session.commit()
        session.close()
        return jsonify({'status': 'updated'})

    elif request.method == 'DELETE':
        session.delete(region)
        session.commit()
        session.close()
        return jsonify({'status': 'deleted'})

@bp_api.route('/users/<int:user_id>', methods=['GET'])
def get_user(user_id):
    session = Session()
    user = session.execute(text("SELECT * FROM whitelist WHERE chat_id = :id"), {'id': user_id}).fetchone()
    session.close()
    if not user:
        return jsonify({'error': 'Пользователь не найден'}), 404
    return jsonify({'id': user.chat_id, 'username': user.username, 'email': user.user_email, 'blocked': user.is_blocked})

# @bp_api.route('/users/<int:user_id>/block', methods=['POST'])
# def block_user(user_id):
#     session = Session()
#     session.execute(text("UPDATE whitelist SET is_blocked = False WHERE chat_id = :id"), {'id': user_id})
#     session.commit()
#     session.close()
#     return jsonify({'status': 'updated'})
@bp_api.route('/users/<int:user_id>/block', methods=['POST'])
def block_user(user_id):
    session = Session()

    # Получаем текущий статус блокировки пользователя
    result = session.execute(text("SELECT is_blocked FROM whitelist WHERE chat_id = :id"), {'id': user_id}).fetchone()

    if result:
        is_blocked = result[0]  # Текущее значение блокировки

        # Если пользователь заблокирован, разблокируем его, если разблокирован - блокируем
        new_status = not is_blocked

        # Обновляем статус блокировки в базе данных
        session.execute(
            text("UPDATE whitelist SET is_blocked = :new_status WHERE chat_id = :id"),
            {'new_status': new_status, 'id': user_id}
        )
        session.commit()

        session.close()
        return jsonify({'status': 'updated', 'new_status': new_status})
    else:
        session.close()
        return jsonify({'status': 'error', 'message': 'User not found'}), 404



@bp_api.route('/users/<int:user_id>', methods=['DELETE'])
def delete_user(user_id):
    session = Session()
    session.execute(text("DELETE FROM whitelist WHERE chat_id = :id"), {'id': user_id})
    session.commit()
    session.close()
    return jsonify({'status': 'deleted'})