const Banner = require('../models/Banner');
const { successResponse, errorResponse } = require('../utils/apiResponse');

const getBanners = async (req, res, next) => {
  try {
    const banners = await Banner.find({ isActive: true }).sort({ displayOrder: 1 });
    return successResponse(res, 'Hero banners retrieved', banners);
  } catch (error) {
    next(error);
  }
};

const createBanner = async (req, res, next) => {
  try {
    const banner = new Banner(req.body);
    const saved = await banner.save();
    return successResponse(res, 'Banner created', saved, 201);
  } catch (error) {
    next(error);
  }
};

const updateBanner = async (req, res, next) => {
  try {
    const banner = await Banner.findByIdAndUpdate(req.params.id, req.body, { new: true });
    if (!banner) return errorResponse(res, 'Banner not found', [], 404);
    return successResponse(res, 'Banner updated', banner);
  } catch (error) {
    next(error);
  }
};

const deleteBanner = async (req, res, next) => {
  try {
    const banner = await Banner.findByIdAndDelete(req.params.id);
    if (!banner) return errorResponse(res, 'Banner not found', [], 404);
    return successResponse(res, 'Banner deleted');
  } catch (error) {
    next(error);
  }
};

module.exports = { getBanners, createBanner, updateBanner, deleteBanner };