import datetime
import uuid

from django.db import models
from django.utils import timezone


class Migration(models.Model):
    """This is the migration class"""
    id = models.CharField(max_length=200, unique=True,
                          default=uuid.uuid4, primary_key=True)
    submit_time = models.DateField('migrtation submitted on', default=timezone.now)
    domain = models.CharField(max_length=200)
    booked_time = models.DateTimeField('Migration booked for')
    original_server = models.CharField(max_length=200)
    new_server = models.CharField(max_length=200)
    username = models.CharField(max_length=200)
    notes = models.CharField(max_length=1024, null=True, blank=True)
    brand = models.CharField(max_length=200)
    ticket_id = models.CharField(max_length=64)
    migration_status = models.CharField(max_length=200, default='Booked')
    agent_booked = models.CharField(max_length=10)
    additional_domains = models.CharField(
        max_length=500, null=True, blank=True)
    migration_type = models.CharField(max_length=200)
    term_date = models.DateField(
        'Date to be terminated', null=True, blank=True)
    migration_cmd = models.CharField(max_length=200, null=True, blank=True)
    is_urgent = models.BooleanField(default=False)

    def print_missed_migrations(self):
        now = timezone.now()
        return now >= self.booked_time and self.migration_status == 'Booked'
    print_missed_migrations.admin_order_field = 'booked_time'
    print_missed_migrations.boolean = True
    print_missed_migrations.short_description = "Was this migration missed?"

    def __str__(self):
        return self.domain + ' ' + self.ticket_id