<!DOCTYPE html>
<html>

<head>
  <meta name="description" content="DBMON MagJS" />
  <meta charset="utf-8">
  <link href="style.css" rel="stylesheet" type="text/css" />
  <title>dbmon (magJS)</title>
</head>

<body>
  <div id="app">
    <div>
      <table class="table table-striped latest-data">
        <tbody>
          <tr data-bind="databases">
            <td class="dbname">
              {database.dbname}
            </td>
            <td class="query-count">
              <span class={database.lastSample.countClassName}>
                        {database.lastSample.nbQueries}
                      </span>
            </td>
            <td data-bind="samples" class="">
              {query.formatElapsed}
              <div class="popover left">
                <div class="popover-content">{query.query}</div>
                <div class="arrow"></div>
              </div>
            </td>
          </tr>
        </tbody>
      </table>
    </div>
  </div>
  <script src="//rawgit.com/magnumjs/mag.js/master/dist/mag.0.23.9.min.js"></script>
  <script src="ENV.js"></script>
  <script src="https://localvoid.github.io/perf-monitor/0.1/perf-monitor.js"></script>
  <script src="app.js"></script>
</body>

</html>
"use strict"


perfMonitor.startFPSMonitor()
perfMonitor.startMemMonitor()
perfMonitor.initProfiler("render")

var data = []

var root = document.getElementById("app");
var instance = mag.create(root, view());

update();

function update() {
  data = ENV.generateData().toArray()

  perfMonitor.startProfile("render")
  var ret = instance({
    databases: data
  });
  ret.subscribe(function(){
    perfMonitor.endProfile("render");
  })

  setTimeout(update, ENV.timeout)
}

function view() {
  return {
    view: function(state, props) {
      state.databases = props.databases.map(function(database) {

        return {
          _key: database.dbname,
          dbname: database.dbname,
          samples: database.lastSample.topFiveQueries.map(function(query) {

            return {
              _class: "Query " + query.elapsedClassName,
              _text: query.formatElapsed,
              'popover-content': query.query
            }
          }),
          span: {
            _text: database.lastSample.nbQueries,
            _class: database.lastSample.countClassName
          }
        }

      });
    }
  }
}
body {color:#333;font-family:"Helvetica Neue",Helvetica,Arial,sans-serif;font-size:14px;line-height:1.42857143;margin:0;}
label {display:inline-block;font-weight:700;margin-bottom:5px;}
input[type=range] {display:block;width:100%;}
table {border-collapse:collapse;border-spacing:0;}
:before,:after {box-sizing: border-box;}

.table > thead > tr > th,.table > tbody > tr > th,.table > tfoot > tr > th,.table > thead > tr > td,.table > tbody > tr > td,.table > tfoot > tr > td {border-top:1px solid #ddd;line-height:1.42857143;padding:8px;vertical-align:top;}
.table {width:100%;}
.table-striped > tbody > tr:nth-child(odd) > td,.table-striped > tbody > tr:nth-child(odd) > th {background:#f9f9f9;}

.label {border-radius:.25em;color:#fff;display:inline;font-size:75%;font-weight:700;line-height:1;padding:.2em .6em .3em;text-align:center;vertical-align:baseline;white-space:nowrap;}
.label-success {background-color:#5cb85c;}
.label-warning {background-color:#f0ad4e;}

.popover {background-color:#fff;background-clip:padding-box;border:1px solid #ccc;border:1px solid rgba(0,0,0,.2);border-radius:6px;box-shadow:0 5px 10px rgba(0,0,0,.2);display:none;left:0;max-width:276px;padding:1px;position:absolute;text-align:left;top:0;white-space:normal;z-index:1010;}
.popover>.arrow:after {border-width:10px;content:"";}
.popover.left {margin-left:-10px;}
.popover.left > .arrow {border-right-width:0;border-left-color:rgba(0,0,0,.25);margin-top:-11px;right:-11px;top:50%;}
.popover.left > .arrow:after {border-left-color:#fff;border-right-width:0;bottom:-10px;content:" ";right:1px;}
.popover > .arrow {border-width:11px;}
.popover > .arrow,.popover>.arrow:after {border-color:transparent;border-style:solid;display:block;height:0;position:absolute;width:0;}

.popover-content {padding:9px 14px;}

.Query {position:relative;}
.Query:hover .popover {display:block;left:-100%;width:100%;}

var ENV = ENV || (function() {

  var first = true;
  var counter = 0;
  var data;
  var _base;
  (_base = String.prototype).lpad || (_base.lpad = function(padding, toLength) {
    return padding.repeat((toLength - this.length) / padding.length).concat(this);
  });

  function formatElapsed(value) {
    str = parseFloat(value).toFixed(2);
    if (value > 60) {
      minutes = Math.floor(value / 60);
      comps = (value % 60).toFixed(2).split('.');
      seconds = comps[0].lpad('0', 2);
      ms = comps[1];
      str = minutes + ":" + seconds + "." + ms;
    }
    return str;
  }

  function getElapsedClassName(elapsed) {
    var className = 'Query elapsed';
    if (elapsed >= 10.0) {
      className += ' warn_long';
    }
    else if (elapsed >= 1.0) {
      className += ' warn';
    }
    else {
      className += ' short';
    }
    return className;
  }

  function countClassName(queries) {
    var countClassName = "label";
    if (queries >= 20) {
      countClassName += " label-important";
    }
    else if (queries >= 10) {
      countClassName += " label-warning";
    }
    else {
      countClassName += " label-success";
    }
    return countClassName;
  }

  function updateQuery(object) {
    if (!object) {
      object = {};
    }
    var elapsed = Math.random() * 15;
    object.elapsed = elapsed;
    object.formatElapsed = formatElapsed(elapsed);
    object.elapsedClassName = getElapsedClassName(elapsed);
    object.query = "SELECT blah FROM something";
    object.waiting = Math.random() < 0.5;
    if (Math.random() < 0.2) {
      object.query = "<IDLE> in transaction";
    }
    if (Math.random() < 0.1) {
      object.query = "vacuum";
    }
    return object;
  }

  function cleanQuery(value) {
    if (value) {
      value.formatElapsed = "";
      value.elapsedClassName = "";
      value.query = "";
      value.elapsed = null;
      value.waiting = null;
    } else {
      return {
        query: "***",
        formatElapsed: "",
        elapsedClassName: ""
      };
    }
  }

  function generateRow(object, keepIdentity, counter) {
    var nbQueries = Math.floor((Math.random() * 10) + 1);
    if (!object) {
      object = {};
    }
    object.lastMutationId = counter;
    object.nbQueries = nbQueries;
    if (!object.lastSample) {
      object.lastSample = {};
    }
    if (!object.lastSample.topFiveQueries) {
      object.lastSample.topFiveQueries = [];
    }
    if (keepIdentity) {
      // for Angular optimization
      if (!object.lastSample.queries) {
        object.lastSample.queries = [];
        for (var l = 0; l < 12; l++) {
          object.lastSample.queries[l] = cleanQuery();
        }
      }
      for (var j in object.lastSample.queries) {
        var value = object.lastSample.queries[j];
        if (j <= nbQueries) {
          updateQuery(value);
        } else {
          cleanQuery(value);
        }
      }
    } else {
      object.lastSample.queries = [];
      for (var j = 0; j < 12; j++) {
        if (j < nbQueries) {
          var value = updateQuery(cleanQuery());
          object.lastSample.queries.push(value);
        } else {
          object.lastSample.queries.push(cleanQuery());
        }
      }
    }
    for (var i = 0; i < 5; i++) {
      var source = object.lastSample.queries[i];
      object.lastSample.topFiveQueries[i] = source;
    }
    object.lastSample.nbQueries = nbQueries;
    object.lastSample.countClassName = countClassName(nbQueries);
    return object;
  }

  function getData(keepIdentity) {
    var oldData = data;
    if (!keepIdentity) { // reset for each tick when !keepIdentity
      data = [];
      for (var i = 1; i <= ENV.rows; i++) {
        data.push({ dbname: 'cluster' + i, query: "", formatElapsed: "", elapsedClassName: "" });
        data.push({ dbname: 'cluster' + i + ' slave', query: "", formatElapsed: "", elapsedClassName: "" });
      }
    }
    if (!data) { // first init when keepIdentity
      data = [];
      for (var i = 1; i <= ENV.rows; i++) {
        data.push({ dbname: 'cluster' + i });
        data.push({ dbname: 'cluster' + i + ' slave' });
      }
      oldData = data;
    }
    for (var i in data) {
      var row = data[i];
      if (!keepIdentity && oldData && oldData[i]) {
        row.lastSample = oldData[i].lastSample;
      }
      if (!row.lastSample || Math.random() < ENV.mutations()) {
        counter = counter + 1;
        if (!keepIdentity) {
          row.lastSample = null;
        }
        generateRow(row, keepIdentity, counter);
      } else {
        data[i] = oldData[i];
      }
    }
    first = false;
    return {
      toArray: function() {
        return data;
      }
    };
  }

  var mutationsValue = 0.5;

  function mutations(value) {
    if (value) {
      mutationsValue = value;
      return mutationsValue;
    } else {
      return mutationsValue;
    }
  }

  var body = document.querySelector('body');
  var theFirstChild = body.firstChild;

  var sliderContainer = document.createElement( 'div' );
  sliderContainer.style.cssText = "display: flex";
  var slider = document.createElement('input');
  var text = document.createElement('label');
  text.innerHTML = 'mutations : ' + (mutationsValue * 100).toFixed(0) + '%';
  text.id = "ratioval";
  slider.setAttribute("type", "range");
  slider.style.cssText = 'margin-bottom: 10px; margin-top: 5px';
  slider.addEventListener('change', function(e) {
    ENV.mutations(e.target.value / 100);
    document.querySelector('#ratioval').innerHTML = 'mutations : ' + (ENV.mutations() * 100).toFixed(0) + '%';
  });
  sliderContainer.appendChild( text );
  sliderContainer.appendChild( slider );
  body.insertBefore( sliderContainer, theFirstChild );

  return  {
    generateData: getData,
    rows: 50,
    timeout: 0,
    mutations: mutations
  };
})();