//DataTables
//Sort file size data.
jQuery.extend(jQuery.fn.dataTableExt.oSort, {
    "file-size-units": {
        K : 1024,
        M : Math.pow(1024, 2),
        G : Math.pow(1024, 3),
        T : Math.pow(1024, 4),
        P : Math.pow(1024, 5),
        E : Math.pow(1024, 6)
    },

    "file-size-pre": function(a) {
        var x = a.substring(0, a.length - 1);
        var x_unit = a.substring(a.length - 1, a.length);
        if(jQuery.fn.dataTableExt.oSort['file-size-units'][x_unit]) {
            return parseInt(x * jQuery.fn.dataTableExt.oSort['file-size-units'][x_unit], 10);
        }
        else {
            return parseInt(x + x_unit, 10);
        }
    },

    "file-size-asc": function(a, b) {
        return ((a < b) ? -1 : ((a > b) ? 1 : 0));
    },

    "file-size-desc": function(a, b) {
        return ((a < b) ? 1 : ((a > b) ? -1 : 0));
    }
});

//DataTables
//Sort numeric data which has a percent sign with it.
jQuery.extend(jQuery.fn.dataTableExt.oSort, {
    "percent-pre": function(a) {
        var x = (a === "-") ? 0 : a.replace(/%/, "");
        return parseFloat(x);
    },

    "percent-asc": function(a, b) {
        return ((a < b) ? -1 : ((a > b) ? 1 : 0));
    },

    "percent-desc": function(a, b) {
        return ((a < b) ? 1 : ((a > b) ? -1 : 0));
    }
});

//DataTables
//Sort IP addresses
jQuery.extend(jQuery.fn.dataTableExt.oSort, {
    "ip-address-pre": function(a) {
        // split the address into octets
        //
        var x = a.split('.');

        // pad each of the octets to three digits in length
        //
        function zeroPad(num, places) {
            var zero = places - num.toString().length + 1;
            return Array(+(zero > 0 && zero)).join("0") + num;
        }

        // build the resulting IP
        var r = '';
        for(var i=0; i<x.length; i++)
            r = r + zeroPad(x[i],3);

        // return the formatted IP address
        //
        return r;
    },

    "ip-address-asc": function(a, b) {
        return ((a < b) ? -1 : ((a > b) ? 1 : 0));
    },

    "ip-address-desc": function(a, b) {
        return ((a < b) ? 1 : ((a > b) ? -1 : 0));
    }
});

// If dataTable with provided ID exists, destroy it.
function destroy_dataTable(table_id) {
    var table = $("#" + table_id);
    var ex = document.getElementById(table_id);
    if ($.fn.DataTable.fnIsDataTable(ex)) {
        table.hide().dataTable().fnClearTable();
        table.dataTable().fnDestroy();
        }
}

function get_os_data(url, element) {
    $.get(url, function(data) {
            $(element).text(data);
                }, "json");
}

var dashboard = {};


dashboard.getUptime = function() {
        get_os_data('/info/uptime/', "#get-uptime");
        }
dashboard.getOSname = function() {
        get_os_data('/info/platform/osname/', "#get-osname");
        }
dashboard.getHostname = function() {
        get_os_data('/info/platform/hostname/', "#get-hostname");
        }
dashboard.getKernel = function() {
        get_os_data('/info/platform/kernel/', "#get-kernel");
        }
dashboard.getCPUcount = function() {
        get_os_data('/info/getcpus/count/', "#get-cpucount");
        }
dashboard.getCPUtype = function() {
        get_os_data('/info/getcpus/type/', "#get-cputype");
        }
dashboard.getDisk = function() {
        $.getJSON('/info/getdisk/', function(data) {
            destroy_dataTable("get_disk");
            $("#filter-ps").val("").off("keyup");
            var psTable = $("#get_disk").dataTable({
                aaData: data,
                aoColumns: [
                    { sTitle: "FILESYSTEM" },
                    { sTitle: "SIZE" },
                    { sTitle: "USED" },
                    { sTitle: "AVAIL" },
                    { sTitle: "USE %" },
                    { sTitle: "MOUNTED" }
                ],
                bPaginate: false,
                bFilter: true,
                sDom: "lrtip",
                bAutoWidth: false,
                bInfo: false
            }).fadeIn();
            $("#filter-ps").on("keyup", function() {
                psTable.fnFilter(this.value);
            });
        });
}
dashboard.getUsers = function() {
        $.getJSON('/info/getusers/', function(data) {
            destroy_dataTable("get_users");
            $("#filter-ps").val("").off("keyup");
            var psTable = $("#get_users").dataTable({
                aaData: data,
                aoColumns: [
                    { sTitle: "USER" },
                    { sTitle: "TTY" },
                    { sTitle: "LOOGED IN FROM",
                	sDefaultContent: "unavailable" }
                ],
                aaSorting: [
            	    [0, "desc"]
                ],
                bPaginate: true,
                sPaginationType: "two_button",
                bFilter: false,
                bAutoWidth: false,
                bInfo: false
            }).fadeIn();
            $("#filter-ps").on("keyup", function() {
                psTable.fnFilter(this.value);
            });
        });
}
dashboard.getNetstat = function() {
        $.getJSON('/info/getnetstat/', function(data) {
            destroy_dataTable("get_netstat");
            $("#filter-ps").val("").off("keyup");
            var psTable = $("#get_netstat").dataTable({
                aaData: data,
                aoColumns: [
                    { sTitle: "COUNT" },
                    { sTitle: "LOCAL IP" },
                    { sTitle: "LOCAL PORT" },
                    { sTitle: "FOREIGN" }
                ],
                bPaginate: true,
                sPaginationType: "two_button",
                bFilter: true,
                sDom: "lrtip",
                bAutoWidth: false,
                bInfo: false
            }).fadeIn();
            $("#filter-ps").on("keyup", function() {
                psTable.fnFilter(this.value);
            });
        });
}
dashboard.getProc = function() {
        $.getJSON('/info/proc/', function(data) {
            destroy_dataTable("get_proc");
            $("#filter-ps").val("").off("keyup");
            var psTable = $("#get_proc").dataTable({
                aaData: data,
                aoColumns: [
                    { sTitle: "USER" },
                    { sTitle: "PID" },
                    { sTitle: "%CPU" },
                    { sTitle: "%MEM" },
                    { sTitle: "VSZ" },
                    { sTitle: "RSS" },
                    { sTitle: "TTY" },
                    { sTitle: "STAT" },
                    { sTitle: "START" },
                    { sTitle: "TIME" },
                    { sTitle: "COMMAND" }
                ],
                bPaginate: true,
                sPaginationType: "full_numbers",
                bFilter: true,
                sDom: "lrtip",
                bAutoWidth: false,
                bInfo: false
            }).fadeIn();
            $("#filter-ps").on("keyup", function() {
                psTable.fnFilter(this.value);
            });
        });
}

dashboard.getIps = function() {
        $.getJSON('/info/getips/', function(data) {
            destroy_dataTable("get_ips");
            $("#filter-ps").val("").off("keyup");
            var psTable = $("#get_ips").dataTable({
                aaData: data,
                aoColumns: [
                    { sTitle: "INTERFACE" },
                    { sTitle: "MAC ADDRESS" },
                    { sTitle: "IPv4 ADDRESS" },
                    { sTitle: "IPv6 ADDRESS",
                      sDefaultContent: "unavailable" }
                ],
                bPaginate: false,
                bFilter: true,
                sDom: "lrtip",
                bAutoWidth: false,
                bInfo: false
            }).fadeIn();
            $("#filter-ps").on("keyup", function() {
                psTable.fnFilter(this.value);
            });
        });
}