# -*- coding: utf-8 -*-

from django.conf import settings
from django.db import models
from django.urls import reverse
from django.utils import timezone
from django.contrib.sites.models import Site
from django.db.models.signals import post_save
from martor.models import MartorField
from mhackspace.base.tasks import matrix_message


REQUEST_TYPES = (
    (0, "Equipment request"),
    (1, "Educational request"),
    (2, "Training request"),
)


class UserRequest(models.Model):
    user = models.ForeignKey(
        settings.AUTH_USER_MODEL, related_name="+", on_delete=models.CASCADE
    )
    title = models.CharField(
        max_length=255, help_text="Whats being requested ?"
    )
    request_type = models.IntegerField(choices=REQUEST_TYPES, null=False)
    acquired = models.BooleanField(default=False)
    cost = models.DecimalField(
        max_digits=6,
        decimal_places=2,
        help_text="Leave blank, if no associated cost, or add estimated cost if not sure.",
    )
    description = MartorField(
        help_text="detail of what's being requested and where it can be purchased"
    )
    created_date = models.DateTimeField(default=timezone.now)

    def request_type_string(self):
        return REQUEST_TYPES[self.request_type][1]

    def get_absolute_url(self):
        return reverse("requests_detail", kwargs={"pk": self.pk})

    class Meta:
        ordering = ("acquired", "created_date")


class UserRequestsComment(models.Model):
    user = models.ForeignKey(
        settings.AUTH_USER_MODEL, on_delete=models.CASCADE
    )
    request = models.ForeignKey(UserRequest, on_delete=models.CASCADE)
    comment = MartorField(help_text="Your comments")
    created_date = models.DateTimeField(default=timezone.now)


def send_topic_update_email(sender, instance, **kwargs):
    matrix_message.delay(
        prefix=" - REQUEST",
        message="%s - https://%s%s"
        % (
            instance.title,
            Site.objects.get_current().domain,
            instance.get_absolute_url(),
        ),
    )


post_save.connect(send_topic_update_email, sender=UserRequest)