import type { Request, Response } from "express";
import { circuitWriteService } from "../composition/circuit-write-service.js";
import {
  reorderSectionCircuitsSchema,
  updateSectionEquipmentIdentifiersSchema,
} from "../../shared/validation/circuit.schemas.js";

export async function renumberCircuitSection(req: Request, res: Response) {
  const { sectionId } = req.params;
  if (typeof sectionId !== "string") {
    return res.status(400).json({ error: "Invalid sectionId" });
  }

  try {
    const updatedCircuits = await circuitWriteService.renumberSection(sectionId);
    return res.json({ sectionId, circuits: updatedCircuits });
  } catch (error) {
    return res.status(400).json({ error: error instanceof Error ? error.message : "Failed to renumber section." });
  }
}

export async function reorderSectionCircuits(req: Request, res: Response) {
  const { sectionId } = req.params;
  if (typeof sectionId !== "string") {
    return res.status(400).json({ error: "Invalid sectionId" });
  }

  const parsed = reorderSectionCircuitsSchema.safeParse(req.body);
  if (!parsed.success) {
    return res.status(400).json({ error: parsed.error.flatten() });
  }

  try {
    const updatedCircuits = await circuitWriteService.reorderCircuitsInSection(sectionId, parsed.data);
    return res.json({ sectionId, circuits: updatedCircuits });
  } catch (error) {
    return res.status(400).json({ error: error instanceof Error ? error.message : "Failed to reorder circuits." });
  }
}

export async function updateSectionEquipmentIdentifiers(req: Request, res: Response) {
  const { sectionId } = req.params;
  if (typeof sectionId !== "string") {
    return res.status(400).json({ error: "Invalid sectionId" });
  }

  const parsed = updateSectionEquipmentIdentifiersSchema.safeParse(req.body);
  if (!parsed.success) {
    return res.status(400).json({ error: parsed.error.flatten() });
  }

  try {
    const updatedCircuits = await circuitWriteService.updateSectionEquipmentIdentifiers(sectionId, parsed.data);
    return res.json({ sectionId, circuits: updatedCircuits });
  } catch (error) {
    return res.status(400).json({ error: error instanceof Error ? error.message : "Failed to update section identifiers." });
  }
}