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

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

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

  try {
    const created = await circuitWriteService.createCircuit(projectId, circuitListId, parsed.data);
    return res.status(201).json(created);
  } catch (error) {
    return res.status(400).json({ error: error instanceof Error ? error.message : "Failed to create circuit." });
  }
}

export async function createCircuitWithDeviceRows(req: Request, res: Response) {
  const { projectId, circuitListId } = req.params;
  if (typeof projectId !== "string" || typeof circuitListId !== "string") {
    return res.status(400).json({ error: "Ungültige Parameter." });
  }

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

  try {
    const created = await circuitWriteService.createCircuitWithDeviceRows(
      projectId,
      circuitListId,
      parsed.data
    );
    return res.status(201).json(created);
  } catch (error) {
    return res.status(400).json({
      error:
        error instanceof Error
          ? error.message
          : "Stromkreis und Gerätezeilen konnten nicht erstellt werden.",
    });
  }
}

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

  try {
    await circuitWriteService.deleteCircuit(circuitId);
    return res.status(204).send();
  } catch (error) {
    return res.status(400).json({ error: error instanceof Error ? error.message : "Failed to delete circuit." });
  }
}

export async function getNextCircuitIdentifier(req: Request, res: Response) {
  const { sectionId } = req.params;
  if (typeof sectionId !== "string") {
    return res.status(400).json({ error: "Invalid sectionId" });
  }
  try {
    const nextIdentifier = await circuitWriteService.getNextIdentifier(sectionId);
    return res.json({ sectionId, nextIdentifier });
  } catch (error) {
    return res.status(400).json({ error: error instanceof Error ? error.message : "Failed to get identifier." });
  }
}