import { Request, Response, NextFunction } from 'express';
import { ProdukService } from '../services/produk.service';
import { sukses } from '../utils/response';
import { AuthenticatedRequest } from '../middlewares/auth.middleware';

export class ProdukController {
  static async list(req: Request, res: Response, next: NextFunction) {
    try {
      const skip = parseInt(req.query.skip as string) || 0;
      const limit = parseInt(req.query.limit as string) || 10;
      const kategoriId = req.query.kategori_id ? parseInt(req.query.kategori_id as string) : undefined;
      const supplierId = req.query.supplier_id ? parseInt(req.query.supplier_id as string) : undefined;
      const pencarian = req.query.pencarian as string || undefined;

      const { products, total } = await ProdukService.getProduk(skip, limit, kategoriId, supplierId, pencarian);
      const page = Math.floor(skip / limit) + 1;

      return sukses(res, products, 'Daftar produk berhasil dimuat', {
        total,
        page,
        per_page: limit,
      });
    } catch (error) {
      next(error);
    }
  }

  static async get(req: Request, res: Response, next: NextFunction) {
    try {
      const produkId = parseInt(req.params.id);
      const product = await ProdukService.getProdukById(produkId);
      return sukses(res, product, 'Detail produk berhasil dimuat');
    } catch (error) {
      next(error);
    }
  }

  static async scan(req: Request, res: Response, next: NextFunction) {
    try {
      const { barcode_or_kode } = req.params;
      const product = await ProdukService.getProdukByBarcodeOrKode(barcode_or_kode);
      return sukses(res, product, 'Produk terdeteksi');
    } catch (error) {
      next(error);
    }
  }

  static async create(req: AuthenticatedRequest, res: Response, next: NextFunction) {
    try {
      const actorId = req.user.id;
      const ip = (req.ip || req.socket.remoteAddress || 'unknown').replace('::ffff:', '');
      const userAgent = (req.headers['user-agent'] || 'unknown') as string;

      const product = await ProdukService.create(req.body, actorId, ip, userAgent);
      return sukses(res, product, 'Produk berhasil dibuat');
    } catch (error) {
      next(error);
    }
  }

  static async update(req: AuthenticatedRequest, res: Response, next: NextFunction) {
    try {
      const produkId = parseInt(req.params.id);
      const actorId = req.user.id;
      const ip = (req.ip || req.socket.remoteAddress || 'unknown').replace('::ffff:', '');
      const userAgent = (req.headers['user-agent'] || 'unknown') as string;

      const product = await ProdukService.update(produkId, req.body, actorId, ip, userAgent);
      return sukses(res, product, 'Produk berhasil diperbarui');
    } catch (error) {
      next(error);
    }
  }

  static async delete(req: AuthenticatedRequest, res: Response, next: NextFunction) {
    try {
      const produkId = parseInt(req.params.id);
      const actorId = req.user.id;
      const ip = (req.ip || req.socket.remoteAddress || 'unknown').replace('::ffff:', '');
      const userAgent = (req.headers['user-agent'] || 'unknown') as string;

      await ProdukService.delete(produkId, actorId, ip, userAgent);
      return sukses(res, null, 'Produk berhasil dihapus (soft-delete)');
    } catch (error) {
      next(error);
    }
  }
}