"use strict";
var parse = require("url").parse;
var lookup = require("../lib/lookup");
var services = require("../lib/services");

module.exports = function(req, res) {
  var url = parse(req.body.url);
  if (!url.host) {
    return res.json({error: {message: "You need to submit a url."}});
  }

  var promise = lookup(req.body.url);

  if (!promise) {
    return res.json({error: {message: "No supported music found at that link :("}});
  }

  promise.then(function(item) {
    if (!item) {
      return res.json({error: {message: "No supported music found at that link :("}});
    }
    item.matched_at = new Date(); // eslint-disable-line camelcase
    var matches = {};
    matches[item.service] = item;
    services.forEach(function(service) {
      if (service.id === item.service) {
        return;
      }
      matches[service.id] = {service: service.id};
      service.search(item).then(function(match) {
        match.matched_at = new Date(); // eslint-disable-line camelcase
        var update = {};
        update["services." + match.service] = match;
        req.db.matches.update({_id: item.service + "$$" + item.id}, {"$set": update});
      });
    });
    return req.db.matches.save({_id: item.service + "$$" + item.id, "created_at": new Date(), services: matches}).then(function() {
      res.json(item);
    });
  }, function(error) {
    console.log(error.stack);
    res.json({error: {message: "No matches found for this link, sorry :("}});
  });
};