import { addCallback, Utils } from 'meteor/vulcan:core';
import Users from 'meteor/vulcan:users';
import { getVotePower } from '../modules/vote.js';
import { updateScore } from './scoring.js';

// ----------------------------- vote.async ------------------------------- //

/**
 * @summary Update an item's (post or comment) score
 * @param {object} item - The item being operated on
 * @param {object} user - The user doing the operation
 * @param {object} collection - The collection the item belongs to
 * @param {string} operation - The operation being performed
 */
// function updateItemScore(item, user, collection, operation, context) {
//   updateScore({collection: collection, item: item, forceUpdate: true});
// }

// addCallback("upvote.async", updateItemScore);
// addCallback("downvote.async", updateItemScore);
// addCallback("cancelUpvote.async", updateItemScore);
// addCallback("cancelDownvote.async", updateItemScore);



/**
 * @summary Update the profile of the user doing the operation
 * @param {object} item - The item being operated on
 * @param {object} user - The user doing the operation
 * @param {object} collection - The collection the item belongs to
 * @param {string} operation - The operation being performed
 */
// function updateUser(item, user, collection, operation, context) {
  
//   // uncomment for debug
//   // console.log(item);
//   // console.log(user);
//   // console.log(collection._name);
//   // console.log(operation);

//   const update = {};
//   const votePower = getVotePower(user);
//   const vote = {
//     itemId: item._id,
//     votedAt: new Date(),
//     power: votePower
//   };
  
//   const collectionName = Utils.capitalize(collection._name);

//   switch (operation) {
//     case "upvote":
//       update.$addToSet = {[`upvoted${collectionName}`]: vote};
//       break;
//     case "downvote":
//       update.$addToSet = {[`downvoted${collectionName}`]: vote};
//       break;
//     case "cancelUpvote":
//       update.$pull = {[`upvoted${collectionName}`]: {itemId: item._id}};
//       break;
//     case "cancelDownvote":
//       update.$pull = {[`downvoted${collectionName}`]: {itemId: item._id}};
//       break;
//   }

//   Users.update({_id: user._id}, update);

// }

// addCallback("upvote.async", updateUser);
// addCallback("downvote.async", updateUser);
// addCallback("cancelUpvote.async", updateUser);
// addCallback("cancelDownvote.async", updateUser);

/**
 * @summary Update the karma of the item's owner
 * @param {object} item - The item being operated on
 * @param {object} user - The user doing the operation
 * @param {object} collection - The collection the item belongs to
 * @param {string} operation - The operation being performed
 */
// function updateKarma(item, user, collection, operation, context) {

//   const votePower = getVotePower(user);
//   const karmaAmount = (operation === "upvote" || operation === "cancelDownvote") ? votePower : -votePower;

//   // only update karma is the operation isn't done by the item's author
//   if (item.userId !== user._id) {
//     Users.update({_id: item.userId}, {$inc: {"karma": karmaAmount}});
//   }

// }

// addCallback("upvote.async", updateKarma);
// addCallback("downvote.async", updateKarma);
// addCallback("cancelUpvote.async", updateKarma);
// addCallback("cancelDownvote.async", updateKarma);