'use strict';
var cur_call = null;
var share_call = null;
var confMan = null;
var verto;
var ringing = false;
var autocall = false;
var chatting_with = false;

var vid_width = 320;
var vid_height = 180;

var local_vid_width = 320;
var local_vid_height = 180;


$( ".selector" ).pagecontainer({ "theme": "a" });

function display(msg) {
    $("#calltitle").html(msg);
}

function clearConfMan() {
    if (confMan) {
        confMan.destroy();
        confMan = null;
    }

    $("#conf").hide();
    $("#message").hide();
    chatting_with = null;
}

function goto_dialog(where) {
    $( ":mobile-pagecontainer" ).pagecontainer( "change", "#dialog-" + where, { role: "dialog" } );
}

function goto_page(where, force) {
    $( ":mobile-pagecontainer" ).pagecontainer( "change", "#page-" + where);
}

var first_login = false;
var online_visible = false;
function online(on) {
    if (on) {
        $("#online").show();
        $("#offline").hide();
        first_login = true;
    } else {

        $("#online").hide();
        $("#offline").show();
    }

    online_visible = on;
}

function setupChat() {
    $("#chatwin").html("");

    $("#chatsend").click(function() {
	if (!cur_call && chatting_with) {
	    return;
	}

	cur_call.message({to: chatting_with, 
			  body: $("#chatmsg").val(), 
			  from_msg_name: cur_call.params.caller_id_name, 
			  from_msg_number: cur_call.params.caller_id_number
			 });  
	$("#chatmsg").val("");
    });

    $("#chatmsg").keyup(function (event) {
	if (event.keyCode == 13 && !event.shiftKey) {
	    $( "#chatsend" ).trigger( "click" );   
	}
    });

}

function full_screen(name) {
    var elem = document.getElementById(name);
    if (!elem) return;
    if (elem.requestFullscreen) {
	elem.requestFullscreen();
    } else if (elem.msRequestFullscreen) {
	elem.msRequestFullscreen();
    } else if (elem.mozRequestFullScreen) {
	elem.mozRequestFullScreen();
    } else if (elem.webkitRequestFullscreen) {
	elem.webkitRequestFullscreen();
    }
}

$("#webcam").resize(function(e) { 
    console.log("video size changed to " + $("#webcam").width() + "x" + $("#webcam").height());

    if ($("#webcam").width() > $(window).width()) {
	//resize(false);
	$("#webcam").width("100%");
	$("#webcam").height("100%"); 
    }

});
		   

function resize(up) {
    var width = $("#webcam").width();
    var height = $("#webcam").height();

    if (up) {
	$("#webcam").width(width * 1.20);
	$("#webcam").height(height * 1.20);
    } else {
	$("#webcam").width(width * .80);
	$("#webcam").height(height * .80);
    }

    console.log("video size changed to " + $("#webcam").width() + "x" + $("#webcam").height());

}

function real_size() {


    $("#webcam").width("");
    $("#webcam").height("");

    console.log("video size changed to natural default");

}

function check_vid_res()
{
    if ($("#vqual_qvga").is(':checked')) {
	vid_width = 320;
	vid_height = 240;
	local_vid_width = 160;
	local_vid_height = 120;
    } else if ($("#vqual_vga").is(':checked')) {
	vid_width = 640;
	vid_height = 480;
	local_vid_width = 160;
	local_vid_height = 120;
    } else if ($("#vqual_qvga_wide").is(':checked')) {
	vid_width = 320;
	vid_height = 180;
	local_vid_width = 160;
	local_vid_height = 90;
    } else if ($("#vqual_vga_wide").is(':checked')) {
	vid_width = 640;
	vid_height = 360;
	local_vid_width = 160;
	local_vid_height = 90;
    } else if ($("#vqual_hd").is(':checked')) {
	vid_width = 1280;
	vid_height = 720;
	local_vid_width = 320;
	local_vid_height = 180;
    } else if ($("#vqual_hhd").is(':checked')) {
	vid_width = 1920;
	vid_height = 1080;
	local_vid_width = 320;
	local_vid_height = 180;
    }

    //$("#local_webcam").width(local_vid_width);
    //$("#local_webcam").height(local_vid_height);

    real_size();

    if (verto) {
	verto.videoParams({
	    "minWidth": vid_width,
	    "minHeight": vid_height,
	    "maxWidth": vid_width,
	    "maxHeight": vid_height,
	    //"minFrameRate": 30, 
	    //chromeMediaSource: 'screen', 
	    //mediaSource: 'screen'
	});
    }

}

function check_vid() {
    var use_vid = $("#use_vid").is(':checked');
    return use_vid;
}

function messageTextToJQ(body) {
	// Builds a jQuery collection from body text, linkifies http/https links, imageifies http/https links to images, and doesn't allow script injection
	
	var match, $link, img_url, $body_parts = $(), rx = /(https?:\/\/[^ \n\r]+|\n\r|\n|\r)/;
	
	while ((match = rx.exec(body)) !== null) {
		if (match.index !== 0) {
			$body_parts = $body_parts.add(document.createTextNode(body.substr(0, match.index)));
		}

		if (match[0].match(/^(\n|\r|\n\r)$/)) {
			// Make a BR from a newline
			$body_parts = $body_parts.add($('<br />'));
			body = body.substr(match.index + match[0].length);
		} else {
			// Make a link (or image)
			$link = $('<a target="_blank" />').attr('href', match[0]);
			
			if (match[0].search(/\.(gif|jpe?g|png)/) > -1) {
				// Make an image
				img_url = match[0];

				// Handle dropbox links
				if (img_url.indexOf('dropbox.com') !== -1) {
					if (img_url.indexOf('?dl=1') === -1 && img_url.indexOf('?dl=0') === -1) {
						img_url += '?dl=1';
					} else if (img_url.indexOf('?dl=0') !== -1) {
						img_url = img_url.replace(/dl=0$/, 'dl=1');
					}
				}

				$link.append($('<img border="0" class="chatimg" />').attr('src', img_url));
			} else {
				// Make a link
				$link.text(match[0]);
			}

			body = body.substr(match.index + match[0].length);
			$body_parts = $body_parts.add($link);
		}
	}
	if (body) {
		$body_parts = $body_parts.add(document.createTextNode(body));
	}

	return $body_parts;
} // END function messageTextToJQ

var callbacks = {

    onMessage: function(verto, dialog, msg, data) {

        switch (msg) {
        case $.verto.enum.message.pvtEvent:
//            console.error("pvtEvent", data.pvtData);
            if (data.pvtData) {
                switch (data.pvtData.action) {

                case "conference-liveArray-part":
                    clearConfMan();
                    break;
                case "conference-liveArray-join":
                    clearConfMan();
		    confMan = new $.verto.confMan(verto, {
			tableID: "#conf_list",
			statusID: "#conf_count",
			mainModID: "#conf_mod",
			displayID: "#conf_display",
			dialog: dialog,
			hasVid: check_vid(),
			laData: data.pvtData
		    });

                    $("#conf").show();
		    $("#chatwin").html("");
                    $("#message").show();

		    chatting_with = data.pvtData.chatID;

                    break;
                }
            }
            break;
        case $.verto.enum.message.info:
	    var body = data.body;

		/*
		// This section has been replaced with messageTextToJQ function

	    if (body.match(/\.gif|\.jpg|\.jpeg|\.png/)) {
		var mod = "";
		if (body.match(/dropbox.com/)) {
		    mod = "?dl=1";
		}
		body = body.replace(/(http[s]{0,1}:\/\/\S+)/g, "<a target='_blank' href='$1'>$1<br><img border='0' class='chatimg' src='$1'" + mod + "><\/a>");
	    } else {
		body = body.replace(/(http[s]{0,1}:\/\/\S+)/g, "<a target='_blank' href='$1'>$1<\/a>");
	    }

	    if (body.slice(-1) !== "\n") {
		body += "\n";
	    }
	    body = body.replace(/(?:\r\n|\r|\n)/g, '<br />');
	    
    	    var from = data.from_msg_name || data.from;

            $("#chatwin").append("<span class=chatuid>" + from + ":</span><br>" + body);
	    $('#chatwin').animate({"scrollTop": $('#chatwin')[0].scrollHeight}, "fast");
		*/
		
			var from = data.from_msg_name || data.from;
			
			$('#chatwin')
				.append($('<span class="chatuid" />').text(from + ':'))
				.append($('<br />'))
				.append(messageTextToJQ(body))
				.append($('<br />'));
			$('#chatwin').animate({"scrollTop": $('#chatwin')[0].scrollHeight}, "fast");
		
            break;
        case $.verto.enum.message.display:
            var party = dialog.params.remote_caller_id_name + "<" + dialog.params.remote_caller_id_number + ">";
            display("Talking to: " + dialog.cidString());
            break;
        default:
            break;
        }
    },

    onDialogState: function(d) {

	//console.error(d, share_call, d == share_call, d.state);

	if (d == share_call) {
            switch (d.state) {
            case $.verto.enum.state.early:
            case $.verto.enum.state.active:
		$("#nosharebtn").show();
		$("#sharebtn").hide();
		break;
            case $.verto.enum.state.destroy:
		$("#nosharebtn").hide();
		$("#sharebtn").show();
		share_call = null;
		break;
	    }

	    return;
	}

	if (!cur_call) {
            cur_call = d;
	}
	
	if (d.state == $.verto.enum.state.ringing) {
	    ringing = true;
	} else {
	    ringing = false;
	}

        switch (d.state) {
        case $.verto.enum.state.ringing:
            display("Call From: " + d.cidString());

	    check_vid_res();

            $("#ansbtn").click(function() {
                cur_call.answer({
		    useStereo: $("#use_stereo").is(':checked'),
		    callee_id_name: $("#name").val(),
		    callee_id_number: $("#cid").val(),
		    useCamera: $("#usecamera").find(":selected").val(),
		    useMic: $("#usemic").find(":selected").val()
		});
                $('#dialog-incoming-call').dialog('close');
            });

            $("#declinebtn").click(function() {
                cur_call.hangup();
                $('#dialog-incoming-call').dialog('close');
            });

            goto_dialog("incoming-call");
            $("#dialog-incoming-call-txt").text("Incoming call from: " + d.cidString());

            if (d.params.wantVideo) {
                $("#vansbtn").click(function() {
                    $("#use_vid").prop("checked", true);
                    cur_call.answer({
                        useVideo: true,
			useStereo: $("#use_stereo").is(':checked'),
			useCamera: $("#usecamera").find(":selected").val(),
			useMic: $("#usemic").find(":selected").val()
                    });
                });
                // the buttons in this jquery mobile wont hide .. gotta wrap them in a div as a workaround
                $("#vansdiv").show();
            } else {
                $("#vansdiv").hide();
            }

            break;

        case $.verto.enum.state.trying:
            display("Calling: " + d.cidString());
            goto_page("incall");
	    break;
        case $.verto.enum.state.early:
        case $.verto.enum.state.active:
            display("Talking to: " + d.cidString());
            goto_page("incall");
            break;
        case $.verto.enum.state.hangup:
	    $("#main_info").html("Call ended with cause: " + d.cause);
            goto_page("main");
        case $.verto.enum.state.destroy:
	    $("#hangup_cause").html("");
            clearConfMan();
	    real_size();
            cur_call = null;
            break;
        case $.verto.enum.state.held:
            break;
        default:
            display("");
            break;
        }
    },
    onWSLogin: function(v, success) {
        display("");

	cur_call = null;
	ringing = false;

        if (success) {
            online(true);

	    /*
            verto.subscribe("presence", {
                handler: function(v, e) {
                    console.error("PRESENCE:", e);
                }
		});
	    */

            if (!window.location.hash) {
                goto_page("main");
            }

	    if (autocall) {
		autocall = false;
		docall();
	    }
        } else {
            goto_page("main");
            goto_dialog("login-error");
        }

    },
    onWSClose: function(v, success) {
        display("");
        online(false);
        var today = new Date();
        $("#errordisplay").html("Connection Error.<br>Last Attempt: " + today);
        goto_page("main");
    },

    onEvent: function(v, e) {
        console.debug("GOT EVENT", e);
    },
};

$("#hold").click(function(e) {
    cur_call.toggleHold();
    goto_dialog("hold");
});

$("#cancelxferbtn").click(function(e) {
    $("#xferto").val("");
    $("#xferdiv").hide();
});

$(".startxferbtn").click(function(e) {
    if ($('#xferdiv').is(':visible')) {
        var xfer = $("#xferto").val();
        if (xfer) {
            cur_call.transfer(xfer);
        }
        $("#xferto").val("");
        $("#xferdiv").hide();
    } else {
        $("#xferdiv").show();
    }
});

$("#clearbtn").click(function(e) {
    $("#ext").val("");
});

$(".dialbtn").click(function(e) {
    $("#ext").val($("#ext").val() + e.currentTarget.textContent);
});

$(".dtmf").click(function(e) {
    if ($('#xferdiv').is(':visible')) {
        $("#xferto").val($("#xferto").val() + e.currentTarget.textContent);
    } else {
        cur_call.dtmf(e.currentTarget.textContent);
    }

});

$("#hupbtn").click(function() {
    verto.hangup();
    cur_call = null;
});

$("#fullbtn").click(function() {
    full_screen("webcam");
});

$("#biggerbtn").click(function() {
    resize(true);
});

$("#smallerbtn").click(function() {
    resize(false);
});

$("#webcam").click(function() {
    check_vid();
});

function docall() {
    $('#ext').trigger('change');

    if (cur_call) {
        return;
    }

    $("#main_info").html("Trying");

    check_vid_res();

    cur_call = verto.newCall({
        destination_number: $("#ext").val(),
        caller_id_name: $("#name").val(),
        caller_id_number: $("#cid").val(),
        useVideo: check_vid(),
        useStereo: $("#use_stereo").is(':checked'),
	useCamera: $("#usecamera").find(":selected").val(),
	useMic: $("#usemic").find(":selected").val()
    });
}


function doshare(on) {
    //$('#ext').trigger('change');

    if (!on) {
	if (share_call) {
	    share_call.hangup();
	}

	return;
    }


    if (share_call) {
        return;
    }
    console.log("Attempting Screen Capture....");
    getScreenId(function (error, sourceId, screen_constraints) {
	
	share_call = verto.newCall({
            destination_number: $("#ext").val() + "-screen",
            caller_id_name: $("#name").val() + " (Screen)",
            caller_id_number: $("#cid").val() + " (screen)",
	    videoParams: screen_constraints.video.mandatory,
            useVideo: true,
	    screenShare: true
	});

    });



    //$("#main_info").html("Trying");

    //check_vid_res();

    //cur_share = verto.newCall({
    //    destination_number: $("#ext").val(),
    //    caller_id_name: $("#name").val(),
    //    caller_id_number: $("#cid").val(),
    //    useVideo: check_vid(),
    //    useStereo: $("#use_stereo").is(':checked')
    //});
}

$("#callbtn").click(function() {
    docall();
});

$("#refreshbtn").click(function() {
    refresh_devices();
});

$("#sharebtn").click(function() {
    doshare(true);
});

$("#nosharebtn").click(function() {
    doshare(false);
});

$("#nosharebtn").hide();

function pop(id, cname, dft) {
    var tmp = $.cookie(cname) || dft;
    $.cookie(cname, tmp, {
        expires: 365
    });
    $(id).val(tmp).change(function() {
        $.cookie(cname, $(id).val(), {
            expires: 365
        });
    });
}

function refresh_devices()
{
    $("#usecamera").empty();
    $("#usemic").empty();

    $.verto.findDevices(function() {
	var x = 0;
	$("#usecamera").append(new Option("No Camera", "none"));
	for (var i in $.verto.videoDevices) {
	    var source = $.verto.videoDevices[i];
	    var o = new Option(source.label, source.id);
	    if (!x++) {
		o.selected = true;
	    }
	    $("#usecamera").append(o);
	}

	x = 0;
	
	for (var i in $.verto.audioDevices) {
	    var source = $.verto.audioDevices[i];
	    var o = new Option(source.label, source.id);
	    if (!x++) {
		o.selected = true;
	    }
	    $("#usemic").append(o);
	}
	
	$("#usecamera").selectmenu('refresh', true);
	$("#usemic").selectmenu('refresh', true);

	//console.error($("#usecamera").find(":selected").val());

    });

}

function init() {
    cur_call = null;

    if (!autocall) {
	pop("#ext", "verto_demo_ext", "3500");
    }

    pop("#name", "verto_demo_name", "FreeSWITCH User");
    pop("#cid", "verto_demo_cid", "1008");
    pop("#textto", "verto_demo_textto", "1000");

    pop("#login", "verto_demo_login", "1008");
    pop("#passwd", "verto_demo_passwd", "1234");

    pop("#hostName", "verto_demo_hostname", window.location.hostname);
    pop("#wsURL", "verto_demo_wsurl", "wss://" + window.location.hostname + ":8082");

    var tmp = $.cookie("verto_demo_vid_checked") || "true";
    $.cookie("verto_demo_vid_checked", tmp, {
        expires: 365
    });
    console.error(tmp);
    if (tmp !== "true") {
	$("#camdiv").hide();
	$(".sharediv").hide();
    } else {
	$(".sharediv").show();
	$("#camdiv").show();
    }

    $("#use_vid").prop("checked", tmp === "true").change(function(e) {
        tmp = $("#use_vid").is(':checked');

	if (!tmp) {
	    $("#camdiv").hide();
	    $(".sharediv").hide();
	} else {
	    $("#camdiv").show();
	    $(".sharediv").show();
	}
        $.cookie("verto_demo_vid_checked", tmp ? "true" : "false", {
            expires: 365
        });
    });


    var vqual = $.cookie("verto_demo_vqual") || "qvga";
    $.cookie("verto_demo_vqual", vqual, {
        expires: 365
    });

    $("#vqual_qvga").prop("checked", vqual === "qvga").change(function(e) {
        if ($("#vqual_qvga").is(':checked')) {
	    vqual = "qvga";
	    $.cookie("verto_demo_vqual", vqual, {
		expires: 365
	    });
	}
    });


    $("#vqual_vga").prop("checked", vqual === "vga").change(function(e) {
        if ($("#vqual_vga").is(':checked')) {
	    vqual = "vga";
	    $.cookie("verto_demo_vqual", vqual, {
		expires: 365
	    });
	}
    });


    $("#vqual_qvga_wide").prop("checked", vqual === "qvga_wide").change(function(e) {
        if ($("#vqual_qvga_wide").is(':checked')) {
	    vqual = "qvga_wide";
	    $.cookie("verto_demo_vqual", vqual, {
		expires: 365
	    });
	}
    });


    $("#vqual_vga").prop("checked", vqual === "vga_wide").change(function(e) {
        if ($("#vqual_vga_wide").is(':checked')) {
	    vqual = "vga_wide";
	    $.cookie("verto_demo_vqual", vqual, {
		expires: 365
	    });
	}
    });


    $("#vqual_hd").prop("checked", vqual === "hd").change(function(e) {
        if ($("#vqual_hd").is(':checked')) {
	    vqual = "hd";
	    $.cookie("verto_demo_vqual", vqual, {
		expires: 365
	    });
	}
    });


    $("#vqual_hhd").prop("checked", vqual === "hhd").change(function(e) {
        if ($("#vqual_hhd").is(':checked')) {
	    vqual = "hhd";
	    $.cookie("verto_demo_vqual", vqual, {
		expires: 365
	    });
	}
    });
    


    
    tmp = $.cookie("verto_demo_stereo_checked") || "true";
    $.cookie("verto_demo_stereo_checked", tmp, {
        expires: 365
    });

    $("#use_stereo").prop("checked", tmp === "true").change(function(e) {
        tmp = $("#use_stereo").is(':checked');
        $.cookie("verto_demo_stereo_checked", tmp ? "true" : "false", {
            expires: 365
        });
    });

    tmp = $.cookie("verto_demo_stun_checked") || "true";
    $.cookie("verto_demo_stun_checked", tmp, {
        expires: 365
    });

    $("#use_stun").prop("checked", tmp === "true").change(function(e) {
        tmp = $("#use_stun").is(':checked');
        $.cookie("verto_demo_stun_checked", tmp ? "true" : "false", {
            expires: 365
        });
	if (verto) {
	    verto.iceServers(tmp);
	}
    });


    tmp = $.cookie("verto_demo_local_video_checked") || "false";
    $.cookie("verto_demo_local_video_checked", tmp, {
        expires: 365
    });

    $("#local_video").prop("checked", tmp === "true").change(function(e) {
        tmp = $("#local_video").is(':checked');
        $.cookie("verto_demo_local_video_checked", tmp ? "true" : "false", {
            expires: 365
        });
	if (verto) {
	    verto.iceServers(tmp);
	}
    });
    
    check_vid_res();

    verto = new $.verto({
        login: $("#login").val() + "@" + $("#hostName").val(),
        passwd: $("#passwd").val(),
        socketUrl: $("#wsURL").val(),
        tag: "webcam",
        //localTag: $("#local_video").is(':checked') ? "local_webcam" : null,
        ringFile: "sounds/bell_ring2.wav",
        videoParams: {
            "minWidth": vid_width,
            "minHeight": vid_height,
	    "maxWidth": vid_width,
	    "maxHeight": vid_height,
	    //"minFrameRate": 30,
	    //chromeMediaSource: 'screen',
	    //mediaSource: 'screen'
        },
	audioParams: {
	    googAutoGainControl: false,
	    googNoiseSuppression: true,
	    googHighpassFilter: true
	},
	iceServers: $("#use_stun").is(':checked')
    },callbacks);


    $("#login").change(function(e) {
        $("#cid").val(e.currentTarget.value);
        $.cookie("verto_demo_cid", e.currentTarget.value, {
            expires: 365
        });
    });

    $("#vtxtbtn").click(function() {
        verto.message({
            to: $("#textto").val(),
            body: $("#textmsg").val()
        });
        $("#textmsg").val("");
    });

    $("#logoutbtn").click(function() {
        verto.logout();
        online(false);
    });

    $("#loginbtn").click(function() {
        online(false);
        verto.loginData({
            login: $("#login").val() + "@" + $("#hostName").val(),
            passwd: $("#passwd").val()
        });
        verto.login();
        goto_page("main");
    });

    $("#xferdiv").hide();
//    $("#webcam").hide();

    online(false);

    setupChat();

    $("#ext").keyup(function (event) {
	if (event.keyCode == 13) {
	    $( "#callbtn" ).trigger( "click" );   
	}
    });

    $(document).keypress(function(event) {
	if (!(cur_call && event.target.id == "page-incall")) return;
	var key = String.fromCharCode(event.keyCode);
	var i = parseInt(key);


	if (key === "#" || key === "*" || key === "0" || (i > 0 && i <= 9)) {
	    cur_call.dtmf(key);
	}
    });

    if (window.location.hostname !== "webrtc.freeswitch.org") {
	$("#directory").hide();
    }

    refresh_devices();
}

$(document).ready(function() {
    var hash = window.location.hash.substring(1);    
    var a = [];

    if (hash && hash.indexOf("page-") == -1) {
	window.location.hash = "";
	$("#ext").val(hash);
	autocall = true;
    }

    if (hash && (a = hash.split("&"))) {
	window.location.hash = a[0];
    }

    $("#webcam").hide();
    $("#camdiv").hide();
    $('#demos').hide();
    $('#devices').hide();
    $('#showdemo').show();

    init();



});


var lastTo = 0;

$(document).bind("pagecontainerchange", function(e, data) {

    if (lastTo) {
	clearTimeout(lastTo);
    }

    switch (window.location.hash) {

    case "#page-incall":
        lastTo = setTimeout(function() {
            if (!cur_call) {
                goto_page("main");
            }
        }, 1000);

        break;

    case "#page-main":
            if (cur_call) {
                goto_page("incall");
            }
	break;
    case "#page-login":

        lastTo = setTimeout(function() {
            if (online_visible) {
                goto_page("main");
            }
        },
        1000);
        break;
    }
});