// Downloader Modal
$(document).ready(function() {

    function downloadModal() {

        // Class alias
        var dm = this;

        // Class attributes
        dm.modal = $('.download-modal');
        dm.overlay = dm.modal.parent();
        dm.form = dm.modal.find('.download-form');
        dm.offers = [];
        dm.done = false;
        dm.clicked = false;
        dm.closed = false;

        /**
         * Constructor method that handles the modal setup.
         *
         * @return null
         */
        dm.init = function() {
            dm.determineInstall();
            dm.hookOpenEvent();
            dm.hookCloseEvent();
            dm.hookResubmitEvent();
            dm.hookProgressEvent();
        }

        /**
         * Registers the modal open event, which
         * fires when a trigger link is clicked.
         *
         * @return null
         */
        dm.hookOpenEvent = function() {
            $('a[href="#download-modal-trigger"]').on('click', function(e) {
                e.preventDefault();

                if ( ! supported ) // user is on unsupported device
                    return false;

                if ( ! dm.clicked ) {
                    dm.clicked = true;
                    fireImpression('download_modal_open'); // Fire modal open impression
                }

                if ( dm.closed ) {
                    fireImpression('download_modal_reopened');
                }

                dm.overlay.fadeIn(150);
            });
        }

        /**
         * Registers the modal close event, which fires
         * when a user clicks on the close button.
         *
         * @return null
         */
        dm.hookCloseEvent = function() {
            dm.modal.find('.close').on('click', function() {
                if ( dm.done ) {
                    dm.closed = true;
                    dm.overlay.trigger('close');
                } else {
                    if ( dm.modal.find('.cancel:visible').length == 0 ) {
                        dm.modal.find('.screen').hide();
                        dm.modal.find('.cancel').show();

                        $('.cancel').find('.modal-button').on('click', function() {
                            if ( $(this).hasClass('accept') ) {
                                dm.modal.find('.screen').hide();
                                dm.modal.find('.screen').first().show();
                            } else {
                                dm.closed = true;
                                fireImpression('download_modal_cancel'); // Fire close impression
                                dm.overlay.trigger('close');
                            }
                        });
                    } else {
                        dm.closed = true;
                        fireImpression('download_modal_cancel'); // Fire close impression
                        dm.overlay.trigger('close');
                    }
                }

                // reset installer
                dm.done = false;
                dm.offers = [];
            });

            dm.overlay.on('close', function() {
                dm.overlay.fadeOut(350);
                // reset modal
                setTimeout(function() {
                    dm.modal.find('.screen').hide();
                    dm.modal.find('.screen').first().show();
                }, 400);
            });
        }

        /**
         * Registers the modal resubmit event, which fires when the secondary
         * download button within the thank you screen is clicked.
         *
         * @return null
         */
        dm.hookResubmitEvent = function() {
            dm.modal.find('.resubmit').on('click', function(e) {
                e.preventDefault();

                dm.form[0].submit();
                fireImpression('download_modal_resubmitted');
            });
        }

        /**
         * Registers the screen progression event, which
         * controls what screen is shown within the modal.
         *
         * @return null
         */
        dm.hookProgressEvent = function() {
            dm.modal.find('.modal-button, .skip-all').on('click', function(e) {
                // get current screen
                var button = $(this);
                var current = button.closest('.screen');
                var last = current.hasClass('last-offer');

                if ( button.attr('href').indexOf(".exe") == -1 )
                    e.preventDefault();

                // check if offer was accepted
                if ( current.hasClass("pitch") || current.hasClass('offer') ) {

                    if ( button.hasClass('accept') ) {
                        if ( current.hasClass('offer') )
                            dm.offers.push( current.attr('id') ); // add offer

                        current.hide();
                        current.next().show(); // proceed to next screen
                    }

                    if ( button.hasClass('decline') || button.hasClass('skip-all') ) {
                        last = true;
                        current.hide();
                        $('.loading').show(); // proceed to download screen
                    }
                }

                if ( last ) {
                    dm.trackOffers(); // track offers accepted
                    dm.download(); // fire off download link
                }
            });
        }

        /**
         * Determines which offers have been accepted, and
         * then fires off impressions for the ones selected.
         *
         * @return null
         */
        dm.trackOffers = function() {
            var impressions = [];

            if ( $.inArray('rockettab', dm.offers) > -1 )  impressions.push("download_modal_rt");
            if ( $.inArray('geniusbox', dm.offers) > -1 )  impressions.push("download_modal_gb");
            if ( $.inArray('malware360', dm.offers) > -1 ) impressions.push("download_modal_mw360");

            if ( impressions.length > 0 ) {
                $.each(impressions, function(key, value) {
                    setTimeout(function() {
                        fireImpression(value); // Fire individual impressions
                    }, 150 * key);
                });
            }
        }

        /**
         * Handles the download and conversion logic.
         *
         * @return null
         */
        dm.download = function() {
            fireImpression('download_modal_done'); // Fire done impression

            $('.screen').hide();
            $('.thankyou').show();

            // offer has been accepted
            if ( dm.offers.length > 0 ) {
                displayDirections("");

                // ensure that mw360 is downloaded in the case that it's selected
                if ( $.inArray('malware360', dm.offers) > -1 )
                    dm.form.find('[name="install_mw360"]').attr('value', '1');
                dm.form[0].submit();

                fireImpression('download_modal_qi'); // Fire done (Setup Complete) impression

                setTimeout(function() {
                    $('<iframe src="//www.googletagmanager.com/ns.html?id=GTM-NXCL2Q" height="0" width="0" style="display:none;visibility:hidden"></iframe>').appendTo($('body')); // AdWords Conversion Pixels
                }, 400);
            } else {
                $('.thankyou').find('.resubmit-wrapper').remove();
                setTimeout(function() {
                    window.location = pitchDownloadUrl;  // Go to "thank you" page
                }, 1500);
            }

            dm.done = true;
        }

        /**
         * Determines what should be installed (based off a precheck).
         *
         * @return null
         */
        dm.determineInstall = function() {
            var installGb  = ( ! window['gb_installed'] )  ? 1 : 0;
            var installBsg = ( ! window['bsg_installed'] ) ? 1 : 0;

            // Update param values
            $('[name="install_gb"]').attr('value', installGb);
            $('[name="install_bsg"]').attr('value', installBsg);
        }
    }

    // Runs the class
    var modal = new downloadModal();
    modal.init();
});