from datetime import date

from django import forms
from django.db import models
from django.contrib.auth.models import User
from month.models import MonthField

from UGSdjangoProject import settings


class Address(models.Model):
    # user = models.ForeignKey(User, on_delete=models.CASCADE, related_name="new_spending", null=True)
    user = models.OneToOneField(User, on_delete=models.CASCADE, primary_key=True)
    first_name = models.CharField("Vorname", max_length=255, null=True)
    surname = models.CharField("Nachname", max_length=255, null=True)
    birthday: date = models.DateField("Geburtstag", null=True)
    street = models.CharField("Straße", max_length=255, null=True)
    number = models.CharField("Hausnummer", max_length=10, null=True)
    postcode = models.CharField("Postleitzahl", max_length=5, null=True)
    city = models.CharField("Stadt", max_length=100, null=True)

    def __str__(self):
        return f'{self.first_name} {self.surname} lives at {self.street} {self.number}, {self.postcode} {self.city}'


class Summary(models.Model):
    user = models.OneToOneField(User, on_delete=models.CASCADE, primary_key=True)
    text = models.TextField(max_length=2000)

    def __str__(self):
        return self.text


class Currency(models.Model):
    title = models.CharField(max_length=3)


class NumberPresentation(models.Model):
    title = models.CharField(max_length=20)


class EarningsPeriod(models.Model):
    title = models.CharField(max_length=20)


class Company(models.Model):
    user = models.OneToOneField(User, on_delete=models.CASCADE, primary_key=True)
    title = models.CharField("Beschreibung", max_length=255, null=True)
    website = models.URLField("Webseite", max_length=200, null=True)
    startMonth = MonthField("Starttermin")
    numberOfSalesAreas = models.IntegerField("Anzahl der Umsatzbereiche", null=True)


class SalesAreaType(models.Model):
    title = models.CharField(max_length=255)


class SalesArea(models.Model):
    company = models.ForeignKey(Company, on_delete=models.CASCADE,related_name='salesAreas')
    number = models.IntegerField()
    title = models.CharField(max_length=255)
    type = models.ForeignKey(SalesAreaType, on_delete=models.RESTRICT)
    used = models.BooleanField("Zur Gründungssimulation verwendet", default=True)


class PeriodTypes(models.Model):
    title = models.CharField(max_length=30)


class PlanningPeriods(models.Model):
    company = models.ForeignKey(Company, on_delete=models.CASCADE)
    year = models.IntegerField()
    periodType = models.ForeignKey(PeriodTypes, on_delete=models.RESTRICT)


class CompanyOptions(models.Model):
    company = models.OneToOneField(Company, on_delete=models.CASCADE, primary_key=True, related_name='options')
    currency = models.ForeignKey(Currency, on_delete=models.RESTRICT, default=1, related_name='currencys',
                                 verbose_name="Währung")
    numberPresentation = models.ForeignKey(NumberPresentation,
                                           on_delete=models.RESTRICT,
                                           default=1,
                                           related_name='presentations',
                                           verbose_name="Zahlenpräsentation")
    earningsPeriod = models.ForeignKey(EarningsPeriod,
                                       on_delete=models.RESTRICT,
                                       default=1,
                                       related_name='earningsPeriods',
                                       verbose_name="Ergebnisperiode")
    planingYears = models.IntegerField("Planungsjahre",default=3)
    startPhaseDuration = models.IntegerField("Dauer der Anlaufphase in Monaten", default=0)


class SalesMarket(models.Model):
    company = models.OneToOneField(Company, on_delete=models.CASCADE, primary_key=True, related_name='SalesMarket')
    priceProhibitiv = models.IntegerField()
    volumeProhibitiv = models.IntegerField()
    priceQuantityDropped = models.IntegerField()
    volumeQuantityDropped = models.IntegerField()
    priceQuantityRaised = models.IntegerField()
    volumeQuantityRaised = models.IntegerField()
    priceDubious = models.IntegerField()
    volumeDubious = models.IntegerField()

class SalesVolume(models.Model):
    company = models.OneToOneField(Company, on_delete=models.CASCADE, primary_key=True, related_name='SalesVolumes')
    month = models.IntegerField()
    value = models.DecimalField(max_digits=10, decimal_places=2)
    volume = models.DecimalField(max_digits=10, decimal_places=2)


class OperationalActionType(models.Model):
    title = models.CharField(max_length=255)


class OperationalAction(models.Model):
    company = models.ForeignKey(Company, on_delete=models.CASCADE, related_name='OperationalActions')
    type = models.ForeignKey(OperationalActionType, on_delete=models.RESTRICT)
    salesdependent = models.BooleanField(default=False)
    month = models.IntegerField()
    ammount = models.DecimalField(max_digits=10, decimal_places=2)




'''
Grundsätzloich werden die Daten für den Absatz in das Jahresfeld eingegeben
Bei eingabe in dieses Feld werden die Monatswerte überschrieben/gesetzt

Der Nutzer kann aber auch werte in die einzelnen Monate eintragen
Dies werden dann zum Jahr aufsummiert

Umsatz wir berechnet: Menge x Preis




'''
'''
class Revenue(models.Model):
    unit = models.CharField(max_length=255)
    value = models.DecimalField(max_digits=10, decimal_places=2)
    year = models.IntegerField()

class revenueField(models.Model):
    title = models.CharField(max_length=255)
    # MWST Satz
    # REvenue 1 : n

class SalesMarketing(models.Model):
    # Revneue 1: 1 ?


class BeschaffungsItem(models.Model):
    title = models.CharField(max_length=255)
    price = models.DecimalField(max_digits=10, decimal_places=2)
    quantityDependent = models.IntegerField() # True or False
    quantity = models.IntegerField()
    # Mehrfach für jedes RvenueField

class Invest(models.Model):
    anschaffungsKosten=models.DecimalField(max_digits=10, decimal_places=2)
    nutzungsDauer=models.IntegerField() # years
    abschreibungsArt = models.CharField(max_length=255) # linear
    # Nutzung pro Umsatzbereich in Prozent + nur zu Gesamtunternehmen zugehörig

'''

# Arbeitsmarkt
'''
Mitarbeiter nach kategorie
Anzahl
Brutto Kosten
Sozialkosten in Summe oder in Prozent
keine Kapazitärsplanung
'''

'''
Kapital
Einlagen und Entnahmen pro Jahr

Fremdkaptial 
  Einzahlung (Kreditsumme)
  Tilgung
  Zins
'''

'''
Staat
  EtragsSteuern in Prozent vom Gewinn (ca. 30 %)
  Subventionen

'''