# Create your models here.

from django.db import models

STATE_CHOICES = (('wish', 'wish'),('planned','planned'),('up','up'),('down','down'))

class Point(models.Model):
    name = models.CharField(max_length=100)
    lat = models.DecimalField(max_digits=10, decimal_places=6)
    lon = models.DecimalField(max_digits=10, decimal_places=6)
    neighbors = models.ManyToManyField('self', through='Link', symmetrical=False)
    state = models.CharField(max_length=20, choices=STATE_CHOICES, default='planned')
    comment = models.TextField(max_length=1000)

    def __unicode__(self):
        return self.name

class Link(models.Model):
    master = models.ForeignKey(Point, related_name='master', on_delete=models.CASCADE)
    slave = models.ForeignKey(Point, related_name='slave', on_delete=models.CASCADE)
    state = models.CharField(max_length=20, choices=STATE_CHOICES, default='planned')
    comment = models.TextField(max_length=1000)
    def __unicode__(self):
      return "%s - %s" % (self.master, self.slave)