"""Register portal nav, dashboard widgets, and due-work dispatch."""

from django.utils import timezone

from core.registry import (
    register_dashboard_collector,
    register_dispatcher,
    register_feature,
    register_portal_nav,
)


def register() -> None:
    register_feature("social")
    register_portal_nav(
        section="social",
        label="Compose & preview",
        url_name="social:composer",
        group="Social",
        order=10,
    )
    register_portal_nav(
        section="social_accounts",
        label="Accounts",
        url_name="social:account_list",
        group="Social",
        order=20,
    )
    register_dashboard_collector(_dashboard)
    register_dispatcher(_dispatch_due)


def _dashboard(request) -> dict:
    from social.models import SocialPost

    return {
        "scheduled_posts": SocialPost.objects.filter(
            status__in=[SocialPost.Status.SCHEDULED, SocialPost.Status.QUEUED]
        ).count()
    }


def _dispatch_due() -> int:
    from social.models import SocialPost
    from social.tasks import publish_social_post

    now = timezone.now()
    enqueued = 0
    for post in SocialPost.objects.filter(
        status=SocialPost.Status.SCHEDULED,
        scheduled_for__lte=now,
    ).iterator():
        post.status = SocialPost.Status.QUEUED
        post.save(update_fields=["status", "updated_at"])
        publish_social_post.enqueue(post_id=str(post.pk))
        enqueued += 1
    return enqueued