import { fail, handleOptions, json } from "../_shared/http.ts";
import { createServiceClient, requireUser, slugify } from "../_shared/supabase.ts";

Deno.serve(async (req) => {
  const preflight = handleOptions(req);
  if (preflight) return preflight;

  if (req.method !== "POST") return fail("Method not allowed", 405);

  const { user, error: userError } = await requireUser(req);
  if (!user) return fail(userError ?? "Unauthorized", 401);
  const serviceClient = createServiceClient();

  let body: { name?: string; slug?: string };
  try {
    body = await req.json();
  } catch {
    return fail("Invalid JSON body");
  }

  const name = (body.name ?? "").trim();
  if (!name) return fail("name is required");

  const slug = slugify(body.slug?.trim() || name);
  if (!slug) return fail("slug is invalid");

  const { data: org, error: createError } = await serviceClient
    .from("organizations")
    .insert({
      name,
      slug,
      owner_user_id: user.id,
    })
    .select("id, name, slug, icon_url, owner_user_id, created_at")
    .single();

  if (createError) {
    if (createError.code === "23505") return fail("slug is already taken", 409);
    return fail(createError.message, 400);
  }

  const { error: membershipError } = await serviceClient
    .from("organization_members")
    .insert({
      organization_id: org.id,
      user_id: user.id,
      role: "owner",
    });

  if (membershipError) return fail(membershipError.message, 400);

  return json({ organization: org }, 201);
});