from django.db.models import Sum
from django.utils import timezone
from Base.models import Professional
from Movement.models import Calendar, ExpenseOrCredit

def metric():
    Professionals = Professional.objects.all()
    current_month = timezone.localtime(timezone.now()).month
    current_year = timezone.localtime(timezone.now()).year

    sum_expense_prof = {}
    for Prof in Professionals:
        sum_ = Calendar.objects.filter(
            # active=True,
            professional__id=Prof.id,
            date__month= current_month,
            date__year= current_year
        ).aggregate(Sum('prof_money'))['prof_money__sum'] or 0
        sum_expense_prof[Prof.name] = sum_

    sum_serv_prof_credit = {}
    for Prof in Professionals:
        sum_ = ExpenseOrCredit.objects.filter(
            # active=True,
            firm=False,
            debit=False,
            credit=True,
            professional__id=Prof.id,
            date__month= current_month,
            date__year= current_year
        ).aggregate(Sum('gross_value'))['gross_value__sum'] or 0
        sum_serv_prof_credit[Prof.name] = sum_

    sum_serv_prof_debit = {}
    for Prof in Professionals:
        sum_ = ExpenseOrCredit.objects.filter(
            # active=True,
            firm=False,
            debit=True,
            credit=False,
            professional__id=Prof.id,
            date__month= current_month,
            date__year= current_year
        ).aggregate(Sum('gross_value'))['gross_value__sum'] or 0
        sum_serv_prof_debit[Prof.name] = sum_

    sum_total = {}
    for total in Professionals:
        sum1 = sum_expense_prof.get(str(total.name))
        sum2 = sum_serv_prof_credit.get(str(total.name))
        sum3 = sum_serv_prof_debit.get(str(total.name))
        sum_total[total.name] = ( sum1 + sum2 - sum3 )

    sum_all = sum(sum_total.values()) or 0

    return {
        'sum_total':sum_total,
        'sum_all':sum_all,
    }