'use strict';

var CouchPotato = require('node-couchpotato');
var utils = require('./utils.js');

var WELCOME_DESCRIPTION = 'This skill allows you to manage your Couch Potato movie list.';
var HELP_RESPONSE = ['You can ask Couch Potato about the movies in your queue or add new movies',
    'to it. Try asking "is The Godfather on the list?". If it\'s not and you want to add it, try',
    'saying "add The Godfather".'].join(' ');
var CANCEL_RESPONSE = 'Exiting Couch Potato';

var config = require('dotenv').config();
var cp = new CouchPotato({
  url: config.CP_URL,
  apikey: config.CP_API_KEY,
  debug:true
});

function handleLaunchIntent(req, resp) {
  resp
    .say(WELCOME_DESCRIPTION)
    .say(HELP_RESPONSE)
    .send();
}

function handleFindMovieIntent(req, resp) {
  var movieName = req.slot('movieName');

  cp.movie.list({search: movieName, limit_offset: 5}).then(function (searchResp) {
    var movies = searchResp.movies;
    var result;

    if (!movies || !movies.length) {
      resp.say('Couldn\'t find ' + movieName + ' queued for download. ');

      cp.movie.search(movieName).then(function (searchResults) {
        utils.sendSearchResponse(searchResults, resp);
      });
    }
    else {
      result = movies[0].info;
      resp
        .say([
          'It looks like', result.original_title,
          '(' + result.year + ')', 'is already on your list.'
        ].join(' '))
        .send();
    }
  });

  //Async response
  return false;
}

function handleAddMovieIntent(req, resp) {
  var movieName = req.slot('movieName');

 cp.movie.search(movieName,5).then(function (movies) {
   movies = utils.formatSearchResults(movies);
   utils.sendSearchResponse(movies, movieName, resp);
 });

  //Async response
  return false;
}

function handleYesIntent(req, resp) {
  var promptData = req.session('promptData');
  var movie;

  if (!promptData) {
    console.log('Got a AMAZON.YesIntent but no promptData. Ending session.');
    resp.send();
  }
  else if (promptData.yesAction === 'addMovie') {
    movie = promptData.searchResults[0];

    cp.movie.add({
      title: movie.titles[0],
      identifier: movie.imdb
    }).then(function () {
      resp
        .say(promptData.yesResponse)
        .send();
    });

    //Async response
    return false;
  }
  else {
    console.log("Got an unexpected yesAction. PromptData:");
    console.log(promptData);
    resp.send();
  }
}

function handleNoIntent(req, resp) {
  var promptData = req.session('promptData');

  if (!promptData) {
    console.log('Got a AMAZON.YesIntent but no promptData. Ending session.');
    resp.send();
  }
  else if (promptData.noAction === 'endSession') {
    resp.say(promptData.noResponse).send();
  }
  else if (promptData.noAction === 'suggestNextMovie') {
    var movies = promptData.searchResults;
    resp
      .say(promptData.noResponse)
      .session('promptData', utils.buildPrompt(movies.slice(1)))
      .shouldEndSession(false)
      .send();
  }
  else {
    console.log("Got an unexpected noAction. PromptData:");
    console.log(promptData);
    resp.send();
  }
}

function handleCancelIntent(req, resp) {
  resp.say(CANCEL_RESPONSE).shouldEndSession(true).send();
}

module.exports = {
  handleFindMovieIntent: handleFindMovieIntent,
  handleAddMovieIntent: handleAddMovieIntent,
  handleYesIntent: handleYesIntent,
  handleNoIntent: handleNoIntent,
  handleCancelIntent: handleCancelIntent
};