"""DEBUG-only form to mint a short link without curling the API."""

from django.conf import settings
from django.contrib import messages
from django.http import Http404
from django.shortcuts import render
from django.views.decorators.http import require_http_methods

from links.forms import DebugCreateForm
from links.services import CodeCollisionError, create_link


@require_http_methods(["GET", "POST"])
def debug_create(request):
    if not settings.DEBUG:
        raise Http404()

    form = DebugCreateForm(request.POST or None)
    created_link = None
    if request.method == "POST" and form.is_valid():
        try:
            created_link, minted = create_link(
                target_url=form.cleaned_data["target_url"],
                title=form.cleaned_data.get("title") or "",
                external_ref=form.cleaned_data.get("external_ref") or "",
                expires_at=None,
                token_name="debug",
            )
        except CodeCollisionError:
            form.add_error(None, "Could not allocate a unique code.")
        else:
            if minted:
                messages.success(request, "Short link created.")
            else:
                messages.info(request, "Existing active link returned (same URL + ref).")

    return render(
        request,
        "links/debug_create.html",
        {"form": form, "created_link": created_link},
    )