from django.db import models

from utils.models import CampRelatedModel


def get_sponsor_upload_path(instance, filename):
    return "public/sponsors/{camp_slug}/{filename}".format(
        camp_slug=instance.tier.camp.slug,
        filename="{}_logo.{}".format(instance.name.lower(), filename.split(".")[-1]),
    )


class Sponsor(CampRelatedModel):
    name = models.CharField(max_length=150, help_text="Name of the sponsor")

    tier = models.ForeignKey("sponsors.SponsorTier", on_delete=models.PROTECT)

    description = models.TextField(help_text="A short description of the sponsorship")

    logo_filename = models.CharField(max_length=255, help_text="Filename of the logo")

    url = models.URLField(null=True, blank=True, help_text="An URL to the sponsor.")

    tickets_generated = models.BooleanField(default=False)

    def __str__(self):
        return "{} ({})".format(self.name, self.tier.camp)

    @property
    def camp(self):
        return self.tier.camp

    camp_filter = "tier__camp"


class SponsorTier(CampRelatedModel):
    name = models.CharField(
        max_length=25, help_text="Name of the tier (gold, silver, etc.)"
    )

    description = models.TextField(help_text="A description of what the tier includes.")

    camp = models.ForeignKey(
        "camps.Camp",
        null=True,
        on_delete=models.PROTECT,
        related_name="sponsor_tiers",
        help_text="The camp this sponsor tier belongs to",
    )

    weight = models.IntegerField(
        default=0,
        help_text="""This decides where on the list the tier will be shown. I.e.
        gold should have a lower value than silver.""",
    )

    tickets = models.IntegerField(
        null=True,
        blank=True,
        help_text="If set this is the number of tickets generated for a sponsor in this tier.",
    )

    def __str__(self):
        return "{} ({})".format(self.name, self.camp)