import datetime
import time

from flask import Blueprint, request, jsonify
from flask_jwt_extended import get_jwt_identity

import database
from database.enums import AssemblyState
from routes.utils import jwt_protect_blueprint
import sipro.api.orders

assembly_blueprint = jwt_protect_blueprint(Blueprint('assembly', __name__))


@assembly_blueprint.post('/create')
def create_assembly():
    try:
        data: dict = request.json
        order_id: int = data.get('orderId')
        user_id = get_jwt_identity()
        existing_assembly = database.Assembly.query.filter_by(order_id=order_id).first()
        if existing_assembly:
            response = {
                'ok': False,
                'message': 'Сборка этого товара уже была запущена',
                'assemblyId': existing_assembly.id,
                'statusCode': 'ASSEMBLY_ALREADY_EXISTS'
            }
            return jsonify(response)
        active_assembly = database.Assembly.query.filter(database.Assembly.user_id == user_id,
                                                         database.Assembly.is_active == True).first()
        if active_assembly:
            response = {
                'ok': False,
                'message': 'Вы не можете запустить сборку заказа, так как у вас уже есть активная сборка',
                'assemblyId': active_assembly.id,
                'statusCode': 'USER_ALREADY_HAS_ACTIVE_ASSEMBLY'
            }
            return jsonify(response)
        assembly = database.Assembly(user_id=user_id,
                                     order_id=order_id,
                                     state=AssemblyState.NOT_STARTED,
                                     created_at=datetime.datetime.now(),
                                     is_active=True)
        database.db.session.add(assembly)
        database.db.session.commit()
        response = {
            'ok': True,
            'message': 'Сборка успешно запущена!',
            'assemblyId': assembly.id,
            'statusCode': 'CREATED'
        }
        return jsonify(response)
    except Exception as e:
        response = {
            'ok': False,
            'message': f'Неизвестная ошибка: {e}',
            'assemblyId': -1,
            'statusCode': 'INVALID_EXCEPTION'
        }
        return jsonify(response)


@assembly_blueprint.post('/close')
def close_assembly():
    args = request.json
    assembly_id = args.get('assemblyId')
    if not assembly_id or (not isinstance(assembly_id, int)):
        response = {
            'ok': False,
            'message': 'Неверно указан ID сборки'
        }
        return jsonify(response)
    assembly = database.db.session.get(database.Assembly, assembly_id)
    if not assembly:
        response = {
            'ok': False,
            'message': 'Указанная сборка не найдена'
        }
        return jsonify(response)
    assembly.is_active = False
    assembly.ended_at = datetime.datetime.now()
    database.db.session.commit()
    order_id = assembly.order_id
    return sipro.api.orders.close_order(order_id)


@assembly_blueprint.get('/hasActive')
def user_has_active_assembly():
    user_id = get_jwt_identity()
    assemblies_count = database.Assembly.query.filter(database.Assembly.user_id == user_id,
                                                      database.Assembly.is_active == True).count()
    return jsonify(has=assemblies_count > 0)


@assembly_blueprint.get('/getActive')
def get_active_assembly():
    user_id = get_jwt_identity()
    assembly = database.Assembly.query.filter(database.Assembly.user_id == user_id,
                                              database.Assembly.is_active == True).first()
    response = {
        'databaseId': assembly.id,
        'createdAt': str(assembly.created_at),
        'endedAt': str(assembly.ended_at),
        'orderId': assembly.order_id,
        'isActive': assembly.is_active,
        'state': assembly.state
    }
    return jsonify(response)


@assembly_blueprint.post('/confirm')
def confirm_assembly():
    user_id = get_jwt_identity()
    args: dict = request.json
    assembly_id = args.get('assemblyId')
    if not assembly_id or (not isinstance(assembly_id, int)):
        response = {
            'ok': False,
            'message': 'ID сборки указан неверно'
        }
        return jsonify(response)
    assembly = database.db.session.get(database.Assembly, assembly_id)
    if not assembly:
        response = {
            'ok': False,
            'message': 'Неудалось найти указанную сборку'
        }
        return jsonify(response)
    if assembly.user_id != user_id:
        response = {
            'ok': False,
            'message': 'Вы не можете закрыть сборку чужого пользователя'
        }
        return jsonify(response)
    order_id = assembly.order_id
    return sipro.api.orders.ship_order(order_id)


@assembly_blueprint.post('/updateState')
def update_assembly_state():
    try:
        args = request.json
        state = args.get('state')
        assembly_id = args.get('assemblyId')
        rows_to_update = [{
            'id': assembly_id,
            'state': state
        }]
        database.db.session.bulk_update_mappings(database.Assembly, rows_to_update)
        database.db.session.commit()
        return jsonify(ok=True)
    except Exception as e:
        print('Error while updating')
        return jsonify(ok=False)