from django.db import models

class Item(models.Model):
	name = models.CharField(max_length=128)
	description = models.CharField(max_length=512)
	price = models.IntegerField()
	quantity = models.IntegerField()
	manufacturer = models.CharField(max_length=256)

class Computer(Item):
	tower = models.BooleanField()

class Componant(Item):
	seperate = models.BooleanField()

class CPU(Componant):
	speed = models.IntegerField()
	cores = models.IntegerField()
	socket = models.CharField(max_length=16)
	computer = models.ForeignKey(Computer)

class HDD(Componant):
	size = models.IntegerField()
	type = models.CharField(max_length=64)
	speed = models.IntegerField()
	connection = models.CharField(max_length=32)
	rpm = models.IntegerField()
	computer = models.ForeignKey(Computer)

class ODD(Componant):
	connection = models.CharField(max_length=32)
	type = models.CharField(max_length=64)
	speed = models.CharField(max_length=16)
	computer = models.ForeignKey(Computer)

class Memory(Componant):
	type = models.CharField(max_length=32)
	size = models.IntegerField()
	speed = models.IntegerField()
	computer = models.ForeignKey(Computer)

class Graphics(Componant):
	connection = models.CharField(max_length=32)
	memory = models.IntegerField()
	speed = models.IntegerField()
	computer = models.ForeignKey(Computer)

class Network(Componant):
	speed = models.CharField(max_length=16)
	type = models.CharField(max_length=16)
	computer = models.ForeignKey(Computer)

# Create your models here.