import { Router } from "@oak/oak";
import { APIErrorCode, APIException } from "../model/interfaces.ts";
import { type AuthContext, authMiddleware } from "../middleware/auth.ts";
import { createInvite, validateInvite } from "../services/invite-service.ts";

const router = new Router({ prefix: "/api/invites" });

// Create a new invite link (any authenticated user)
router.post("/", authMiddleware, async (ctx: AuthContext) => {
  if (!ctx.state.user) {
    throw new APIException(APIErrorCode.UNAUTHORIZED, 401, "Not authenticated");
  }
  const token = await createInvite(ctx.state.user.userId);
  ctx.response.status = 201;
  ctx.response.body = { success: true, data: { token } };
});

// Validate an invite token (used by the register page before showing the form)
router.get("/:token", async (ctx) => {
  try {
    await validateInvite(ctx.params.token);
    ctx.response.body = { success: true };
  } catch {
    throw new APIException(
      APIErrorCode.NOT_FOUND,
      404,
      "Invalid or expired invite",
    );
  }
});

export default router;