(function($) {

    $( document ).ready( function() {

        var rules = {
            desktop: { min: 1024 } ,
            tablet: { min: 900 , max: 1023 , prefix: "/tablet" } ,
            phone: { min: 0 , max: 899 , prefix: "/phone" }
        };

        function init( rules , params ) {
            var _this = this;

            this.rules = rules;
            this.params = params;
            if ( !this.params ) this.params = {};
            if (this.params.hide_history===undefined) this.params.hide_history = true;
            if (this.params.real_width===undefined) this.params.real_width = true;
            if (this.params.hook_resize===undefined) this.params.hook_resize = true;
            if (this.params.iframe_load===undefined) this.params.iframe_load = true;
            if (this.params.iframe_no_load_this===undefined) this.params.iframe_no_load_this = true;

            this.prefixes = [];
            for( var i in this.rules )
                if ( this.rules[i].prefix !== undefined )
                    this.prefixes.push( this.rules[i].prefix.toLowerCase() );

            this.curr_prefix = { length: 0 , prefix: "" , pathname_last: window.location.pathname };
            this.set_curr_prefixes_url = function() {
                var pathname = window.location.pathname.toLowerCase();

                this.curr_prefix = { length: 0 , prefix: "" , pathname_last: window.location.pathname };

                for(var i in this.prefixes) {
                    if ( pathname.indexOf( this.prefixes[i] ) === 0 ) {
                        var c = pathname[ this.prefixes[i].length ];
                        if ( !( ( !c ) || ( c == "/" ) || ( c == "?" ) || ( c == "#" ) ) )
                            continue;
                        this.curr_prefix.length = this.prefixes[i].length;
                        this.curr_prefix.prefix = this.prefixes[i];
                        this.curr_prefix.pathname_last = window.location.pathname.substr( this.prefixes[i].length );
                        return true;
                    }
                }
            }

            this.set_curr_prefixes_url();

            this.curr_iframe = function() {
                var isFramed = false;
                try {
                    isFramed = window != window.top || document != top.document || self.location != top.location;
                } catch (e) {
                    isFramed = true;
                }
                return isFramed;
            }

            this.iframe_load = function( end , no_this ) {
                if ( !end || this.curr_iframe() )
                    return;

                var css = {
                    "position": "fixed" ,
                    "top": "-20px" ,
                    "width": "4px" ,
                    "height": "4px"
                };
                var prf = window.location.protocol + '//' + window.location.hostname;
                for( var i in this.prefixes ) {
                    if ( this.curr_prefix.prefix && no_this && this.curr_prefix.prefix.toLowerCase() == this.prefixes[i].toLowerCase() )
                        continue;
                    $( "<iframe />" ).css( css ).attr( "src" , prf + this.prefixes[i] + this.curr_prefix.pathname_last ).appendTo( "body" );
                }
                if ( this.curr_prefix.prefix && no_this )
                    $( "<iframe />" ).css( css ).attr( "src" , prf + this.curr_prefix.pathname_last ).appendTo( "body" );
            }
            this.iframe_load( this.params.iframe_load , this.params.iframe_no_load_this );

            this.redirect = function( nw , rp ) {
                if ( rp ) window.location.replace( nw );
                else window.location.assign( nw );
                //else window.location.href = nw;
            }

            this.prepare_href = function( prefix , protocol ) {
                if ( !prefix )
                    prefix = "";
                if ( !protocol )
                    protocol = window.location.protocol;
                var hostname = window.location.hostname;
                var last = window.location.href.substr( window.location.href.indexOf(hostname) + hostname.length + this.curr_prefix.length );
                return protocol + '//' + hostname + prefix + last;
            }

            this.get_width = function( real_width ) {
                if ( !real_width )
                    return $( document ).width();
                return $( window ).width();
            }

            this.process_redirect = false;

            this.try_width = function() {
                if ( this.process_redirect )
                    return true;

                var w = this.get_width( this.params.real_width );

                for( var i in this.rules ) {
                    var rule = this.rules[i];

                    if ( ( (rule.min===undefined) || (w >= rule.min) ) &&
                        ( (rule.max===undefined) || (w <= rule.max) ) ) {

                        var rule_pefix = rule.prefix ? rule.prefix.toLowerCase() : false;

                        if ( ( this.curr_prefix.prefix == rule_pefix ) ||
                                ( !this.curr_prefix.prefix && !rule.prefix ) )
                            continue;

                        this.redirect(
                            this.prepare_href( rule.prefix ) ,
                            this.params.hide_history
                        );
                        this.process_redirect = true;
                        return true;
                    }
                }
                return false;
            }

            if ( this.params.hook_resize ) {
                $( window ).on( 'resize.psf_f23dzbx' , function() {
                    _this.try_width();
                } );
            }

            this.try_width();

        }

        var exw = new init( rules , {
            hide_history: false ,
            real_width: true ,
            time_interval: 1 ,
            hook_resize: true ,
            iframe_load: true ,
            iframe_no_load_this: true
        } );

    } );
})( jQuery );