const mongoose = require('mongoose');
const timestamps = require('mongoose-timestamp');

const ItemAuctionStatusSchema = new mongoose.Schema(
  {
    bidCount: Number,
    bidders: [ mongoose.Schema.Types.ObjectId ],
    currentBid: Number,
    currentMax: Number,
    winners: [ mongoose.Schema.Types.ObjectId ],
  },
  { minimize: false },
);

const AuctionSchema = new mongoose.Schema(
	{
	  eventId: {
	    type: String,
	    required: true,
	    trim: true,
	  },
    scoreboard: [ ItemAuctionStatusSchema ],
	},
	{ minimize: false },
);

AuctionSchema.plugin(timestamps);

AuctionSchema.statics.getAuctionStatus = function(eventId, bidderId, callback = () => {}) {
  this.findOne({ _id: eventId }, (err, event) => {
    if (err) {
      return next(err);
    }

    const statusObject = [];

    if (event) {
      statusObject.push(event.scoreboard.map((item) => ({
        id: item._id,
        bidCount: item.bidCount,
        currentPrice: item.currentBid,
        isBidding: item.bidders.indexOf(bidderId) > -1,
        isWinning: item.winners.indexOf(bidderId) > -1,
      })));
    }

    return callback(null, statusObject);
  });
};

AuctionSchema.statics.getAuctionItemStatus = function(eventId, itemId, bidderId, callback = () => {}) {
  this.findOne({ _id: eventId }, (err, event) => {
    if (err) {
      return next(err);
    }

    const itemStatus = {};

    if (event) {
      const item = event.scoreboard.id(itemId);
      if (item) {
        itemStatus._id = item._id;
        itemStatus.bidCount = item.bidCount;
        itemStatus.currentPrice = item.currentBid;
        itemStatus.isBidding = item.bidders.indexOf(bidderId) > -1;
        itemStatus.isWinning = item.winners.indexOf(bidderId) > -1;
      }
    }

    return callback(null, itemStatus);
  });
};


const Auction = mongoose.model('Auction', AuctionSchema);
module.exports = Auction;