function setareacontent(content:string):void{
    //this appends to the bottom of the console and scrolls to the bottom make sure we start typing at the bottom
    var console = document.getElementById("console");
    if (console != null) {
        console.innerHTML = content;
        console.scrollTop = console.scrollHeight;
    }    
}
function addareacontent(content:string):void{
    //this appends to the bottom of the console and scrolls to the bottom make sure we start typing at the bottom
    var console = document.getElementById("console");
    if (console != null) {
        console.innerHTML += content;
        console.scrollTop = console.scrollHeight;   
    }             
}
function resizeit():void{
    let con = $("#console");
    let windowx = $("window");
    let consolecont = $("#consolecont");
    if (con != null && windowx != null && con != undefined&& windowx != undefined&&consolecont != null&&consolecont!=undefined) {
        let winheight = windowx.height();
        let conoffset = con.offset();
        if (winheight != undefined && conoffset != undefined){
            consolecont.css('height', winheight - 10);
            let height = (winheight - conoffset.top)*0.96; 
            $('#console').css('height', height);      
            $('#rows').val(winheight - conoffset.top - 10);
        }
    }
    else{
        console.log("error");
    }
}
$(function(){
    //fit console to screen
    //$('#console').css('height', $(window).height() - $('#console').offset().top - 10);
    //account for the input box
    let host = 'ws://127.0.0.1:8480';
    var socket = io.connect(host)
    resizeit();
    //resize it on window resize
    //$(window).resize(function(){
    $(window).on('resize', function(){
        resizeit();
    });
    //on key press on any part of html page
    //$("#console").keyup(function(e){
    $("#console").on('keyup', function(e){
        //if enter key is pressed
        //get the input
        e.preventDefault();
        //resolve e.code to char
        let key = e.which;
        //send to server via socket if connected
        if (key == 8){
            socket.emit('keypress', key);
        }
    });
    // $("#console").keypress(function(e){
    $("#console").on('keypress', function(e){
        //if enter key is pressed
        //get the input
        e.preventDefault();
        //resolve e.code to char
        let key = e.which;
        //send to server via socket if connected
        socket.emit('keypress', key);
    });
    //connect to the server

    //on connect
    socket.on('connect', function(){
        setareacontent("Connected to server");
    });
    //on disconnect
    socket.on('disconnect', function(){
        setareacontent("Disconnected from server");
    });
    //on error
    socket.on('error', function(err:any){
        setareacontent("Error: " + err);
    });
    //on message
    socket.on('buffer', function(msg:any){
        setareacontent(msg);
    });
    socket.on('bufferx', function(msg:any){
        addareacontent(msg);
    });
})
function flash(){
    //if u+2800 is present in the console then replace it with 2588
    let console = document.getElementById("console");
    if (console != null) {
        if(console.innerHTML.indexOf("\u2800") > -1){
            console.innerHTML = console.innerHTML.replace("\u2800", "\u2588");
        }
        else{
            console.innerHTML = console.innerHTML.replace("\u2588", "\u2800");
        }
    }
}
setInterval(flash, 500);