/*
 * MIT License
 * 
 * Copyright (c) 2018 Donato Rimenti
 * 
 * Permission is hereby granted, free of charge, to any person obtaining a copy
 * of this software and associated documentation files (the "Software"), to deal
 * in the Software without restriction, including without limitation the rights
 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
 * copies of the Software, and to permit persons to whom the Software is
 * furnished to do so, subject to the following conditions:
 * 
 * The above copyright notice and this permission notice shall be included in
 * all copies or substantial portions of the Software.
 * 
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
 * SOFTWARE.
 */ 

// Favorite actors.
var favorites = [
    "Sandra Bullock",
    "Tom Hanks",
    "Julia Roberts",
    "Kevin Spacey",
    "George Clooney"
];
 
// Builds the pipeline.
var pipeline = [
    { $match : { 
		"tomatoes.viewer.rating": { $gte: 3 },
		"countries": { $in: ["USA"] },
		"cast" : { $exists : true }
		} 
	},
	{ $addFields : { "num_favs" : { $size : { $setIntersection : [ "$cast", favorites ] } } } },
	{ $sort : {
	    "num_favs" : -1,
		"tomatoes.viewer.rating" : -1,
		"title" : -1
	    },
	},
	{ $skip : 24 }
];

// Prints the result.
var result = db.movies.aggregate(pipeline, { allowDiskUse : true }).next().title;
print("Result: " + result);