'use strict';

/* Services */

app.service('pathService', function() {
    var self = {
        dist: function(point1, point2) {
            var dx = point1.x - point2.x;
            var dy = point1.y - point2.y;
            return Math.sqrt(dx * dx + dy * dy);
        },
        computePlaylist: function(songList, line, duration) {
            //compute distances from the constrain path
            console.log('length', line.length);

            var threshold = 60;
            angular.forEach(songList, function(song) {
                song.selected = false;
            });

            var selection = [];
            angular.forEach(line, function(point) {
                angular.forEach(songList, function(song) {
                    var d = self.dist(song, point);
                    if (d < threshold && song.selected !== true) {
                        selection.push(song);
                        song.selected = true;
                    }
                });
            });
            return selection;
        }
    };
    return self;
});
app.service('musicPlayer', function() {
    var self = {
        musicTimer: null,
        startSongWithDuration: function(id, duration)
        {
            $('#ytplayer').attr('src', 'https://www.youtube.com/embed/' + id + '?autoplay=1&modestbranding=1');
            self.musicTimer = setInterval(changeSong, duration * 1000);
        },
        changeSong: function()
        {
            clearInterval(self.musicTimer);
        }
    };
    return self;
});