const aqp = require('api-query-params');
const errors = require('restify-errors');

const EventFixture = require('../fixtures/event');
const ItemFixture = require('../fixtures/item');

const Event = require('../models/event');
const Item = require('../models/item');

const mergeItemTicketsWithEventStubTickets = (items, ticketStubs, callback) => {
  const getMatchingTicket = (doc) => {
    for (let i = 0; i < ticketStubs.length; i++) {
      if (doc.title === ticketStubs[i].name) {
        ticketStubs[i].itemId = doc.id;
        return ticketStubs[i];
      }
    }

    return null;
  };

  let ticketsWithItemIds = [];
  items.forEach((item) => {
    if (item.type === 'ticket') {
      const mergedTicket = getMatchingTicket(item);
      if (mergedTicket) {
        ticketsWithItemIds.push(mergedTicket);
      }
    }
  });

  callback(ticketsWithItemIds);
};


module.exports = function (server, auth) {

	server.get('/demo/populate', auth.manager, (req, res, next) => {
    const eventStub = EventFixture.getEvent(true);
    const eventTickets = eventStub.ticketClasses;
    delete eventStub.ticketClasses;

    Event.create(eventStub, (err, event) => {
      if (err) {
        return next(err);
      }

      if (!event) {
        return next(err, false, 'There was a problem creating the event');
      }

      const itemsStub = ItemFixture({
        eventId: event.id,
        auction: 10,
        ticket: eventTickets,
        eventStart: eventStub.startTime,
        eventEnd: eventStub.endTime,
      });

      Item.insertMany(itemsStub, (err, items) => {
        if (err) {
          return next(err);
        }

        if (!items.length) {
          return next(err, false, 'No items were inserted.');
        }

        mergeItemTicketsWithEventStubTickets(items, eventTickets, (ticketsWithIds) => {
          Event.updateOne(
            { _id: event.id },
            { $set: { ticketed: true, ticketClasses: ticketsWithIds } },
            (err, event) => {
              if (err) {
                return next(err);
              }

              res.send({ success: true, info: 'Demo data successfully inserted.' });
              next();
            },
          );
        });
      });
    });
	});

	server.get('/demo/depopulate', auth.manager, (req, res, next) => {
    let report = { items: null, events: null };

	  Event.deleteMany({}, (err, { deletedCount = 0 }) => {
      report.events = deletedCount;
      Item.deleteMany({}, (err, { deletedCount = 0 }) => {
        report.items = deletedCount;
        res.send({ report });
        return next();
      });
	  });

    next();
	});
};