from django.contrib.auth.models import User
from django.db import models
from snipts.utils import slugify_uniquely


class Team(models.Model):

    PLANS = (
        ("snipt-teams-25-monthly", "25 users, monthly"),
        ("snipt-teams-100-monthly", "100 users, monthly"),
        ("snipt-teams-250-monthly", "250 users, monthly"),
        ("snipt-teams-unlimited-monthly", "Unlimited users, monthly"),
        ("snipt-teams-25-yearly", "25 users, yearly"),
        ("snipt-teams-100-yearly", "100 users, yearly"),
        ("snipt-teams-250-yearly", "250 users, yearly"),
        ("snipt-teams-unlimited-yearly", "Unlimited users, yearly"),
    )

    email = models.EmailField(max_length=255)
    members = models.ManyToManyField(User, related_name="member", blank=True)
    name = models.CharField(max_length=30)
    owner = models.ForeignKey(User, related_name="owner", on_delete=models.CASCADE)
    slug = models.SlugField(max_length=255, blank=True)
    stripe_id = models.CharField(max_length=100, null=True, blank=True)
    user = models.OneToOneField(
        User, blank=True, null=True, on_delete=models.CASCADE
    )
    plan = models.CharField(
        max_length=100,
        default="snipt-teams-25-monthly",
        choices=PLANS,
        blank=True,
        null=True,
    )
    disabled = models.BooleanField(default=False)

    created = models.DateTimeField(auto_now_add=True, editable=False)
    modified = models.DateTimeField(auto_now=True, editable=False)

    def save(self, *args, **kwargs):
        if not self.slug:
            self.slug = slugify_uniquely(self.name, User, "username")
        return super(Team, self).save(*args, **kwargs)

    def __unicode__(self):
        return self.name

    @property
    def member_count(self):
        return self.members.all().count() + 1

    @property
    def member_limit(self):

        if self.disabled:
            return 0

        plan_map = {
            "snipt-teams-25-monthly": 25,
            "snipt-teams-100-monthly": 100,
            "snipt-teams-250-monthly": 250,
            "snipt-teams-unlimited-monthly": float("inf"),
            "snipt-teams-25-yearly": 25,
            "snipt-teams-100-yearly": 100,
            "snipt-teams-250-yearly": 250,
            "snipt-teams-unlimited-yearly": float("inf"),
        }

        if plan_map[self.plan] == float("inf"):
            return "Unlimited"
        else:
            return plan_map[self.plan]

    def user_is_member(self, user):
        if self.disabled:
            return False
        if self.owner == user or user in self.members.all():
            return True
        return False