import type { Request, Response } from "express";
import { circuitNumberingService } from "../composition/circuit-numbering-service.js";
import {
  circuitListRepository,
  circuitSectionRepository,
} from "../composition/application-repositories.js";

export async function getNextCircuitIdentifier(req: Request, res: Response) {
  const { projectId, sectionId } = req.params;
  if (typeof projectId !== "string" || typeof sectionId !== "string") {
    return res.status(400).json({ error: "Invalid parameters" });
  }
  const section = await circuitSectionRepository.findById(sectionId);
  const list = section
    ? await circuitListRepository.findById(projectId, section.circuitListId)
    : null;
  if (!section || !list) {
    return res.status(404).json({ error: "Section not found" });
  }
  try {
    const nextIdentifier =
      await circuitNumberingService.getNextIdentifier(sectionId);
    return res.json({ sectionId, nextIdentifier });
  } catch (error) {
    return res.status(400).json({ error: error instanceof Error ? error.message : "Failed to get identifier." });
  }
}