const List = require("../models/list.model");


exports.getList = async (req, res) => {
  const items = await List.getUnboughtItems();
  res.json(items);
};

exports.getItemByName = async (req, res) => {
  const { itemName } = req.query;
  const item = await List.getItemByName(itemName);
  res.json(item);
}


exports.addItem = async (req, res) => {
  const { itemName, quantity } = req.body;
  const userId = req.user.id;

  // Get processed image if uploaded
  const imageBuffer = req.processedImage?.buffer || null;
  const mimeType = req.processedImage?.mimeType || null;

  const id = await List.addOrUpdateItem(itemName, quantity, userId, imageBuffer, mimeType);

  await List.addHistoryRecord(id, quantity, userId);

  res.json({ message: "Item added/updated", addedBy: userId });
};


exports.markBought = async (req, res) => {
  const userId = req.user.id;
  await List.setBought(req.body.id, userId);
  res.json({ message: "Item marked bought" });
};


exports.getSuggestions = async (req, res) => {
  const { query } = req.query || "";
  const suggestions = await List.getSuggestions(query);
  res.json(suggestions);
};

exports.updateItemImage = async (req, res) => {
  const { id, itemName, quantity } = req.body;
  const userId = req.user.id;

  // Get processed image
  const imageBuffer = req.processedImage?.buffer || null;
  const mimeType = req.processedImage?.mimeType || null;

  if (!imageBuffer) {
    return res.status(400).json({ message: "No image provided" });
  }

  // Update the item with new image
  await List.addOrUpdateItem(itemName, quantity, userId, imageBuffer, mimeType);

  res.json({ message: "Image updated successfully" });
};