from django.dispatch import receiver
from django.urls import resolve, reverse

from django.utils.translation import gettext_lazy as _

from pretix.base.models import Order
from pretix.base.signals import register_mail_placeholders, register_ticket_outputs
from pretix.base.email import SimpleFunctionalMailTextPlaceholder
from pretix.control.signals import nav_event_settings
from pretix.presale.signals import order_info_top
from django.template.loader import get_template

from pretix.base.signals import register_mail_placeholders, register_ticket_outputs
from pretix.base.email import SimpleFunctionalMailTextPlaceholder
from pretix.control.signals import nav_event_settings


@receiver(
    register_mail_placeholders, dispatch_uid="pretix_digital_items_mail_placeholder"
)
def register_mail_secrets(sender, **kwargs):
    token_mail_format = "{name}: {secret}"
    if sender.settings.digitalitems_token_mail_format:
        token_mail_format = sender.settings.digitalitems_token_mail_format
    return SimpleFunctionalMailTextPlaceholder(
        "secrets",
        ["order"],
        lambda order: "\n"
        + "\n\n".join(
            token_mail_format.format(
                secret=position.secret, name=str(position.item.name)
            )
            for position in order.positions.all()
            if position.item.admission
        ),
        "\nej7f73xs8vfmwvkk2p73yeve4fueq849\n\np8yct9752a897rpsmqzf7beby34a2w25\n\nwwqxtw6guy5s8c5tdarfhyez2ft2juap",
    )


# @receiver(register_ticket_outputs, dispatch_uid="pretix_digital_items_ticket_output")
# def register_ticket_outputs(sender, **kwargs):
#    from .textticketoutput import TextTicketOutput
#
#    return TextTicketOutput


@receiver(nav_event_settings, dispatch_uid="pretix_digital_items_nav_settings")
def navbar_settings(sender, request, **kwargs):
    url = resolve(request.path_info)
    return [
        {
            "label": _("Digital Items"),
            "url": reverse(
                "plugins:pretix_digital_items:settings",
                kwargs={
                    "event": request.event.slug,
                    "organizer": request.organizer.slug,
                },
            ),
            "active": url.namespace == "plugins:pretix_digital_items"
            and url.url_name == "settings",
        }
    ]


@receiver(order_info_top, dispatch_uid="pretix_digital_items_order_tokens")
def list_tokens(sender, request, order: Order, **kwargs):
    if (order.status != Order.STATUS_PAID) or not order.positions.exists():
        return

    positions = [
        p for p in order.positions.filter(item__admission=True, addon_to__isnull=True)
    ]

    if not positions:
        return

    token_url_format = "http://localhost?token={secret}"
    if sender.settings.digitalitems_token_url_format:
        token_url_format = sender.settings.digitalitems_token_url_format

    tokenUrls = list(
        map(
            lambda position: token_url_format.format(
                secret=position.secret, name=str(position.item.name)
            ),
            positions,
        )
    )

    checkins = list(
        map(
            lambda position: position.checkins.count() != 0,
            positions,
        )
    )

    data = zip(positions, tokenUrls, checkins)

    template = get_template("pretix_digital_items/tokens.html")
    ctx = {
        "data": data,
    }

    return template.render(ctx, request=request)