from flask import Blueprint, jsonify, abort, request
from flask_login import current_user
from db.models import database, Order
from db.queries import user_get, domsubusers_list, orders_pool_list, orders_pool

api = Blueprint('api', __name__)

@api.route('/subs')
def subs():
  return jsonify(
    [
      {"sub_username": dsu.sub.telegram_username}
      for dsu
      in domsubusers_list(current_user.db_user)
    ]
  )

@api.route('/subs/<username>/sets')
def sub_order_sets(username):
  try:
    sub = user_get(username)
  except:
    abort(403)
    return
  
  if sub.telegram_username not in [dsu.sub.telegram_username for dsu in domsubusers_list(current_user.db_user)]:
    abort(403)
    return
  
  return jsonify([
    {
      'id': op.id,
      'name': op.name,
    }
    for op
    in orders_pool_list(sub.id)
  ])

@api.route('/subs/<username>/sets/<set_id>', methods = ['GET', 'POST'])
def sub_order_set(username, set_id):
  try:
    sub = user_get(username)
  except:
    abort(403)
    return
  
  if sub.telegram_username not in [dsu.sub.telegram_username for dsu in domsubusers_list(current_user.db_user)]:
    abort(403)
    return

  op = orders_pool(sub.id, set_id)

  if request.method == 'POST':
    with database.atomic() as transaction:
      try:
        op.name = request.json['name']
        op.save()

        for updated_order in request.json['orders']:
          if isinstance(updated_order['id'], int):
            order_to_update = op.orders.where(Order.id == updated_order['id']).get()

            if '_delete' in updated_order:
              order_to_update.delete_instance(recursive=True)
            else:
              order_to_update.name = updated_order['name']
              order_to_update.weight = updated_order['weight']
              order_to_update.repeat = updated_order['repeat']

              order_to_update.save()
          else:
            Order.create(
              pool=op,
              name=updated_order['name'],
              weight=updated_order['weight'],
              repeat=updated_order['repeat']
            )
      except:
        transaction.rollback()

  return jsonify(
    {
      'id': op.id,
      'name': op.name,
      'orders': [{
        'id': order.id,
        'name': order.name,
        'weight': order.weight,
        'repeat': order.repeat,
        'add_ons': [
          {
            'id': 1,
            'name': 'Leg Shackles',
            'probability': 0.9 
          },
          {
            'id': 2,
            'name': 'Leather Collar',
            'probability': 0.5
          }
        ]
      } for order in op.orders]
    }
  )