(function ($) {
    'use strict';

    $(document).ready(edgtfOnDocumentReady);

    /*
     All functions to be called on $(document).ready() should be in this function
     */
    function edgtfOnDocumentReady() {
        edgtfThemeCursor().init();
    }

    function edgtfThemeCursor() {
        var cursorEnabled = edgtf.body.hasClass('edgtf-theme-cursor'),
            cursor = $('#edgtf-theme-cursor');

        var moveCursor = function () {
            var transformCursor = function (x, y) {
                cursor.css({
                    'transform': 'translate3d(' + x + 'px, ' + y + 'px, 0)'
                });
            }

            var handleMove = function (e) {
                var x = e.clientX - cursor.width() / 2,
                    y = e.clientY - cursor.height() / 2;

                requestAnimationFrame(function () {
                    transformCursor(x, y);
                });
            }

            $(window).on('mousemove', handleMove);
        }

        var hoverClass = function () {
            var items = 'a, button, .tp-bullet, .tp-withaction, button, .edgtf-pl-filter, .ui-slider-handle';
            var addCSSClass = function () {
                !cursor.hasClass('edgtf-hovering') && cursor.addClass('edgtf-hovering');
            }

            var removeCSSClass = function () {
                cursor.hasClass('edgtf-hovering') && cursor.removeClass('edgtf-hovering');
            }

            $(document).on('mouseenter', items, addCSSClass);
            $(document).on('mouseleave', items, removeCSSClass);
        }

        var showCursor = function () {
            !cursor.hasClass('edgtf-visible') && cursor.addClass('edgtf-visible');
        }

        var hideCursor = function () {
            cursor.hasClass('edgtf-visible') && cursor.removeClass('edgtf-visible edgtf-hovering');
        }

        var overrideCursor = function () {
            cursor.toggleClass('edgtf-override');
        }

        var controlItems = function () {
            var items = $('.edgtf-video-button-play, .edgtf-btn-circle, .edgtf-pl-more, .edgtf-pl-load-more, .edgtf-page-not-found svg');

            items.length &&
                items.each(function () {
                    var item = $(this),
                        inner = item.children(),
                        coeff = item.data('move') == 'strict' ? 0.5 : 1,
                        limit = 50 * coeff;

                    var cX, cY, w, h, x, y, inRange; //position variables

                    var updatePosition = function () {
                        cX = cursor.offset().left;
                        cY = cursor.offset().top;
                        w = item.width();
                        h = item.height();
                        x = item.offset().left + w / 2;
                        y = item.offset().top + h / 2;
                        inRange = Math.abs(x - cX) < w * coeff && Math.abs(y - cY) < h * coeff;
                    }

                    var coords = function () {
                        return {
                            x: Math.abs(cX - x) < limit ? cX - x : limit * (cX - x) / Math.abs(cX - x),
                            y: Math.abs(cY - y) < limit ? cY - y : limit * (cY - y) / Math.abs(cY - y)
                        }
                    }

                    var moveItem = function () {
                        inner.addClass('edgtf-moving');
                        var deltaX = 0,
                            deltaY = 0,
                            dX = coords().x,
                            dY = coords().y;

                        var transformItem = function () {
                            deltaX += (coords().x - dX) / 5;
                            deltaY += (coords().y - dY) / 5;

                            deltaX.toFixed(2) !== dX.toFixed(2) &&
                                inner.css({
                                    'transform': 'translate3d(' + deltaX + 'px, ' + deltaY + 'px, 0)',
                                    'transition': 'none'
                                });

                            dX = deltaX;
                            dY = deltaY;

                            requestAnimationFrame(function () {
                                inRange && transformItem();
                            });
                        }

                        transformItem();
                    }

                    var resetItem = function () {
                        inner
                            .removeClass('edgtf-moving')
                            .css({
                                'transition': 'transform .6s',
                                'transform': 'translate3d(0px, 0px, 0px)'
                            })
                            .one(edgtf.transitionEnd, function () {
                                inner.removeClass('edgtf-controlled');
                                inner.css({
                                    'transition': 'none'
                                });
                            });
                    }

                    var setState = function () {
                        updatePosition();

                        if (inRange) {
                            !inner.hasClass('edgtf-moving') && moveItem(); //start move
                        } else {
                            inner.hasClass('edgtf-moving') && resetItem(); //end move
                        }

                        requestAnimationFrame(setState);
                    }

                    requestAnimationFrame(setState);
                });
        }

        var changeCursor = function () {
            var instances = [{
                        type: 'flame',
                        triggers: '.edgtf-portfolio-list-holder .edgtf-pli-link, .edgtf-plh-item > a'
                    },
                    {
                        type: 'cart',
                        triggers: '.add_to_cart_button'
                    },
                    {
                        type: 'move',
                        triggers: 'body:not(.single) .owl-drag .owl-stage-outer'
                    },
                    {
                        type: 'eye',
                        triggers: '.edgtf-image-behavior-two-links-overlay .edgtf-iwt-image a, .edgtf-image-behavior-custom-link .edgtf-iwt-image'
                    },
                    {
                        type: 'close',
                        triggers: '.edgtf-fullscreen-search-holder, .edgtf-fullscreen-menu-holder, .edgtf-cover'
                    }
                ],
                triggers = '',
                hides = '.edgtf-portfolio-info-float .edgtf-pli-link, .edgtf-pls-item-inner, .fluidvids',
                overrides = 'form, #menu-full-screen-menu, .edgtf-portfolio-slider-holder .edgtf-pl-standard-shader .edgtf-pli-text-holder';

            var setCursor = function (type) {
                cursor.addClass('edgtf-' + type);
            }

            var resetCursor = function () {
                instances.forEach(function (instance) {
                    cursor.removeClass('edgtf-' + instance.type);
                });
            }

            instances.forEach(function (instance, i) {
                triggers += instance.triggers;
                if (i + 1 < instances.length) triggers += ', ';

                $(document).on('mouseenter', instance.triggers, function () {
                    setCursor(instance.type);
                });
            });

            $(document).on('mouseleave', triggers, resetCursor);
            $(document).on('mouseenter mouseleave', overrides, function () {
                overrideCursor();
            });
            $(document).on('mousemove', hides, function () {
                hideCursor();
            });
            $(document).on('mouseleave', hides, function () {
                showCursor();
            });
            $(document).on('mouseleave', hideCursor);
            $(document).on('mouseenter', showCursor);
        }

        var blinkClass = function () {
            $(document).on('click', 'a', function (e) {
                var a = $(this);
                if (
                    e.which === 1 &&
                    a.attr('href').indexOf(window.location.host) >= 0 &&
                    (typeof a.attr('target') === 'undefined' || a.attr('target') === '_self') && // check if the link opens in the same window
                    (a.attr('href').split('#')[0] !== window.location.href.split('#')[0])
                ) {
                    cursor
                        .removeClass()
                        .addClass('edgtf-blink');
                }
            })
        }

        var init = function () {
            $(document).one('mousemove', function () {
                showCursor();
            });
            moveCursor();
            hoverClass();
            controlItems();
            changeCursor();
            blinkClass();
        }

        return {
            init: function () {
                !Modernizr.touch && cursorEnabled && init();
            }
        }
    }
})(jQuery);