from .. import api
from ..model import db, session_scope
from ..model.scheduled_operations import ScheduledOperation
from flask import json, request
from sqlalchemy import func, desc
from sqlalchemy.ext.hybrid import hybrid_property, hybrid_method
from sqlalchemy.orm import sessionmaker, column_property
from sqlalchemy.sql import func, select

@api.route("/scheduled_operations/<account_id>")
def get_scheduled_operations(account_id):
    """
    Return entries for an account, year, and month.
    """
    with session_scope() as session:
        query = session.query(
          ScheduledOperation
        ).select_from(
          session.query(ScheduledOperation)
          .filter(ScheduledOperation.account_id == account_id)
          .order_by(
            desc(ScheduledOperation.day),
            ScheduledOperation.value,
            ScheduledOperation.label,
          ).subquery()
        )

        return json.dumps([{
             "id": i.id,
             "start_date": i.start_date.strftime("%Y-%m-%d"),
             "stop_date": i.stop_date.strftime("%Y-%m-%d"),
             "day": str(i.day),
             "frequency": str(i.frequency),
             "label": i.label,
             "value": str(i.value),
             "category": i.category,
             "account_id": i.account_id
        } for i in query.all()])

@api.route("/scheduled_operations", methods=["PUT"])
def add_scheduled_operation():
    with session_scope() as session:
        scheduledOperation = ScheduledOperation(
          start_date = request.json['start_date'],
          stop_date = request.json['stop_date'],
          day = request.json['day'],
          frequency = request.json['frequency'],
          label = request.json['label'],
          value = request.json['value'],
          category = request.json['category'],
          account_id = request.json['account_id']
        )

        session.add(scheduledOperation)

        return json.dumps("Scheduled operation added.")

@api.route("/scheduled_operations/<scheduled_operation_id>", methods=["PUT"])
def update_scheduled_operation(scheduled_operation_id):
    with session_scope() as session:
        scheduledOperation = session.query(ScheduledOperation).filter(ScheduledOperation.id == scheduled_operation_id).first()

        scheduledOperation.id = scheduled_operation_id
        scheduledOperation.start_date = request.json['start_date'],
        scheduledOperation.stop_date = request.json['stop_date'],
        scheduledOperation.day = request.json['day'],
        scheduledOperation.frequency = request.json['frequency'],
        scheduledOperation.label = request.json['label']
        scheduledOperation.value = request.json['value']
        scheduledOperation.category = request.json['category']
        scheduledOperation.account_id = request.json['account_id']

        session.merge(scheduledOperation)

        return json.dumps("Scheduled operation #%s updated." % scheduled_operation_id)

@api.route("/scheduled_operations/<scheduled_operation_id>", methods=["DELETE"])
def delete_scheduled_operation(scheduled_operation_id):
    with session_scope() as session:
        scheduledOperation = session.query(ScheduledOperation).filter(ScheduledOperation.id == scheduled_operation_id).first()

        session.delete(scheduledOperation)

        return json.dumps("Scheduled operation #%s deleted." % scheduled_operation_id)