from django.contrib import admin
from django.conf import settings
from django.conf.urls.static import static
from django.db import connection
from django.http import JsonResponse
from django.shortcuts import render
from django.templatetags.static import static as static_url
from django.urls import include, path
from django.views.static import serve

from apps.core.models import SiteBranding


def healthz(request):
    with connection.cursor() as cursor:
        cursor.execute("SELECT 1")
        cursor.fetchone()
    response = JsonResponse({"status": "ok"})
    response["Cache-Control"] = "no-store"
    return response


def public_branding(request, path):
    """Serve only public branding uploads; all ticket files use authorized views."""
    return serve(request, path, document_root=settings.MEDIA_ROOT / "branding")

def service_worker(request):
    response = render(request, "pwa/service-worker.js", content_type="application/javascript")
    response["Cache-Control"] = "no-cache, no-store, must-revalidate"
    response["Service-Worker-Allowed"] = "/"
    return response


def web_manifest(request):
    branding = SiteBranding.load()
    try:
        icon_url = branding.pwa_icon.url if branding.pwa_icon else static_url("images/pwa-icon.png")
    except (ValueError, OSError):
        icon_url = static_url("images/pwa-icon.png")
    response = JsonResponse({
        "id": "/", "name": branding.pwa_name, "short_name": branding.pwa_title,
        "description": branding.pwa_description, "start_url": "/tickets/", "scope": "/",
        "display": "standalone", "background_color": "#eeeeee", "theme_color": "#08376b",
        "lang": "fa", "dir": "rtl",
        "icons": [{"src": icon_url, "sizes": "1024x1024", "type": "image/png", "purpose": "any maskable"}],
    }, json_dumps_params={"ensure_ascii": False})
    response["Cache-Control"] = "no-cache, no-store, must-revalidate"
    return response

urlpatterns = [
    path("healthz/", healthz, name="healthz"),
    path("media/branding/<path:path>", public_branding, name="public_branding"),
    path("service-worker.js", service_worker, name="service_worker"),
    path("manifest.webmanifest", web_manifest, name="web_manifest"),
    path("admin/", admin.site.urls),
    path("", include("apps.accounts.urls")),
    path("tickets/", include("apps.tickets.customer_urls")),
    path("staff/", include("apps.tickets.staff_urls")),
    path("messages/", include("apps.messaging.urls")),
    path("files/", include("apps.attachments.urls")),
]

if settings.DEBUG:
    urlpatterns += static(settings.MEDIA_URL, document_root=settings.MEDIA_ROOT)