import Ember from 'ember';

export default Ember.Controller.extend({

    queryParams: ['location', 'date', 'notice', {

        language: 'langue',

        discourse: 'discours',

        theme: 'thematique'

    }],

    date: [],

    discourse: null,

    language: null,

    location: null,

    theme: null,

    filter: Ember.inject.service(),

    setFilter: Ember.observer('discourse', 'language', 'location', 'theme', function(sender, key) {

        this.get('filter').set(key, this.get(key));

    }),

    filterObserver: Ember.observer('filter.discourse', 'filter.language', 'filter.location', 'filter.theme', function(sender, key) {

        key = key.split('.').pop();

        this.set(key, this.get('filter').get(key));

    }),

    setDateFilter: Ember.observer('date', function(sender, key) {

        var intervals = [];

        this.get(key).forEach(function(interval) {

            interval = interval.split('-');

            if(interval.length > 1) {

                var array = [];

                for(var i = interval[0]; i <= interval[1]; i++) {

                    array.push(parseInt(i));

                }

                interval = array;

            } else {

                interval = parseInt(interval);

            }

            intervals = intervals.concat(interval);

        });

        this.get('filter').set(key, intervals);

    }),

    dateFilterObserver: Ember.observer('filter.date', function(sender, key) {

        key = key.split('.').pop();

        var intervals = [];

        this.get('filter').get(key).forEach(function(date) {

            var isInterval = false;

            intervals.forEach(function(interval) {

                if(interval.length && (interval.includes(date + 1) || interval.includes(date - 1))) {

                    interval.push(date);

                    isInterval = true;

                }

            });

            if (!isInterval) {

                intervals.push([date]);

            }

        });

        intervals.forEach(function(interval, index) {

            if(interval.length > 1) {

               intervals[index] =  interval.shift() + '-' + interval.pop();

            } else {

               intervals[index] =  interval.toString();

            }

        });

        if(!this.arraysEqual(this.get(key).toArray(), intervals)) {

            this.set(key, intervals);    

        }

    }),

    arraysEqual: function(a, b) {

        if (a === b) {

            return true;

        }

        if (a == null || b == null) {

            return false;

        }

        if (a.length !== b.length) {

            return false;

        }

        for(var i = 0; i < a.length; ++i) {

            if(a[i] !== b[i]) {

                return false;

            }

        }

        return true;

    },

    player: Ember.inject.service(),

        var self = this;

        });

    }),

    init: function() {

        this._super(...arguments);

        this.get('player');

    },

    actions: {

        changeDocument: function(docDirection){

            var direction = (docDirection === "next") ? 1 : -1;

            var currentObject = this.get("filteredDocuments").findBy('id', this.get("currentItem").get('id'));

            if ( currentObject !== 'undefined'){

                var index = this.get("filteredDocuments").indexOf(currentObject);

                if ( typeof(this.get("filteredDocuments").objectAt(index+direction)) !== 'undefined'){

                    return this.set('currentId', this.get("filteredDocuments").objectAt(index+direction).id);

                }

            }

            return this.set('currentId', this.get('filteredDocuments').get('firstObject').id);

        },

        play: function(item){

            this.set("currentId", item.id);

        }

    }

});