from app import app
from app import db

from api.model.entries import Entry

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

#from sqlalchemy import *

from flask import json, request

@app.route("/api/entries/<account_id>/<year>/<month>")
def get_entries(account_id, year, month):
    """
    Return entries for an account, year, and month.
    """
    session = db.create_scoped_session()

    query = session.query(
      Entry
    ).select_from(
      session.query(Entry)
      .filter(Entry.account_id == account_id)
      .order_by(
        desc(Entry.value_date),
        desc(Entry.operation_date),
        Entry.label,
        Entry.value
      ).subquery()
    ).filter(func.date_trunc('month', Entry.value_date) == "%s-%s-01" % (year, month))

    return json.dumps([{
         "id": i.id,
         "value_date": i.value_date.strftime("%Y-%m-%d"),
         "operation_date": i.operation_date.strftime("%Y-%m-%d") if i.operation_date else None,
         "label": i.label,
         "value": str(i.value),
         "category": i.category,
         "sold": str(i.sold),
         "pointedsold": str(i.pointedsold),
         "account_id": i.account_id
    } for i in query.all()])

@app.route("/api/entries", methods=["PUT"])
def add_entry():
    session = db.create_scoped_session()

    try:
        entry = Entry(
          value_date = request.json['value_date'],
          operation_date = request.json['operation_date'],
          label = request.json['label'],
          value = request.json['value'],
          category = request.json['category'],
          account_id = request.json['account_id']
        )
    
        session.add(entry)
        session.commit()
    
        return json.dumps("Entry added.")
    except:
        session.rollback()
        raise

@app.route("/api/entries/<entry_id>", methods=["PUT"])
def update_entry(entry_id):
    session = db.create_scoped_session()

    try:
        entry = session.query(Entry).filter(Entry.id == entry_id).first()
    
        entry.id = entry_id
        entry.value_date = request.json['value_date']
        entry.operation_date = request.json['operation_date']
        entry.label = request.json['label']
        entry.value = request.json['value']
        entry.category = request.json['category']
        entry.account_id = request.json['account_id']
    
        session.merge(entry)
        session.commit()
    
        return json.dumps("Entry #%s updated." % entry_id)
    except:
        session.rollback()
        raise

@app.route("/api/entries/<entry_id>", methods=["DELETE"])
def delete_entry(entry_id):
    session = db.create_scoped_session()

    try:
        entry = session.query(Entry).filter(Entry.id == entry_id).first()
    
        session.delete(entry)
        session.commit()
    
        return json.dumps("Entry #%s deleted." % entry_id)
    except:
        session.rollback()
        raise