<!--
The bisect-form element includes the form for all of the different stages of
the bisect process after the user clicks on the bisect button.
-->
<link rel="import" href="/components/paper-button/paper-button.html">
<link rel="import" href="/components/paper-dialog/paper-action-dialog.html">
<link rel="import" href="/components/paper-spinner/paper-spinner.html">

<link rel="import" href="/dashboard/elements/base-form.html">
<link rel="import" href="/dashboard/static/simple_xhr.html">

<polymer-element name="bisect-form" extends="base-form"
                 attributes="xsrfToken testPath
                             earlierRevision laterRevision bugId">
  <template>

    <paper-action-dialog id="container" autoCloseDisabled="true">
      <!-- Styling for paper-action-dialog's children. -->
      <style>
        #loading {
          background-color: white;
          height: 100%;
          width: 100%;
          position: absolute;
          left: 0;
          top: 0;
          display: -webkit-flex;
          display: flex;
          -webkit-align-items: center;
          align-items: center;
          justify-content: center;
          -webkit-justify-content: center;
        }

        select, input[type=text], input[type=number] {
          border-radius: 1px;
          border: 1px solid #d9d9d9;
          border-top: 1px solid #c0c0c0;
          font-size: 13px;
          height: 25px;  /* 29 px total height incl padding + border */
          width: 300px;
          padding: 1px 2px;
        }

        paper-button[affirmative] {
          background: #4285f4;
          color: #fff;
        }

        .error {
          color: #dd4b39;
        }
      </style>

      <form>
        <table>
          <tr>
            <td>Bisect bot:</td>
            <td>
              <select id="bot" value="{{bot}}">
                <template repeat="{{name in botList}}">
                <option value="{{name}}">{{name}}</option>
                </template>
              </select>
            </td>
          </tr>
          <tr>
            <td>Metric:</td>
            <td>
              <select id="metric" value="{{metric}}">
                <template repeat="{{name in metricList}}">
                <option value="{{name}}">{{name}}</option>
                </template>
              </select>
            </td>
          </tr>
          <tr>
            <td>Bug ID:</td>
            <td><input type="number" value="{{bugId}}"></td>
          </tr>
          <tr>
            <td>Earlier revision:</td>
            <td><input type="text" value="{{earlierRevision}}"></td>
          </tr>
          <tr>
            <td>Later revision:</td>
            <td><input type="text" value="{{laterRevision}}"></td>
          </tr>
          <tr>
            <td>Repeat count:</td>
            <td><input type="number" min="1" max="100" value="{{REPEAT_COUNT}}"></td>
          </tr>
          <tr>
            <td>Max time (min):</td>
            <td><input type="number" min="1" max="60" value="{{MAX_TIME_MINUTES}}"></td>
          </tr>

          <template if="{{canUseArchive}}">
            <tr>
              <td>Use archive:</td>
              <td><input type="checkbox"
                         on-change="{{onUseArchiveChange}}"
                         checked="{{useArchive}}">
              </td>
            </tr>
          </template>

          <tr>
            <td>Bisect mode:</td>
            <td>
              <select type="text" value="{{BISECT_MODE}}">
                <option value="mean">mean</option>
                <option value="std_dev">std_dev</option>
                <option value="return_code">return_code</option>
              </select>
              <p class="error" hidden?="{{BISECT_MODE != 'return_code'}}">
                If you would like to bisect on a test failure, please carefully
                check the revision range on the buildbot status page and update
                the <b>Earlier Revision</b> and <b>Later Revision</b> fields above
                accordingly. Note that the revisions for a test failure will
                <b>not</b> show up on the graph.
              </p>
            </td>
          </tr>
          <tr>
            <td>Bypass no-repro check:</td>
            <td><input type="checkbox" checked="{{bypassNoRepro}}"></td>
          </tr>
        </table>
      </form>

      <p><a href="http://www.chromium.org/developers/speed-infra/perf-try-bots-bisect-bots/config">
        About the config parameters</a></p>

      <p class="error">{{error}}</p>

      <paper-button affirmative raised autofocus disabled?="{{error}}"
                    on-click="{{onSendToTrybot}}">Start bisect</paper-button>
      <paper-button dismissive raised>Close</paper-button>

      <template if="{{loading}}">
        <div id="loading">
          <paper-spinner active></paper-spinner>
        </div>
      </template>
    </paper-action-dialog>

  </template>
  <script>
    'use strict';
    (function() {
      /**
       * Checks whether a revision appears to be OK to use for bisect.
       * TODO(qyearsley): Extract common code in trace-form and bisect-form.
       */
      function validateRev(rev) {
        if (/^[a-fA-F0-9]{40}$/.test(rev)) {
          return true;
        }
        if (!/^\d+/.test(rev)) {
          return false;
        }
        rev = Number(rev);
        return rev > 200000 && rev < 500000;
      }

      Polymer('bisect-form', {
        // Default values of variables that are bound to inputs in the form.
        // See: http://goo.gl/I94Kyj
        REPEAT_COUNT: 20,
        MAX_TIME_MINUTES: 20,
        BISECT_MODE: 'mean',

        /**
         * Initializes and shows the bisect form.
         */
        show: function() {
          this.canUseArchive = false,
          this.bypassNoRepro = false,
          this.useArchive = true,
          this.loading = true;
          this.open();
          simple_xhr.send('/start_try_job',
            {
              'test_path': this.testPath,
              'step': 'prefill-info',
              'xsrf_token': this.xsrfToken
            },
            function successCallback(info) {
              this.bot = info['bisect_bot'];
              this.botList = info['all_bots'];
              this.metric = info['default_metric'];
              this.metricList = info['all_metrics'];
              this.canUseArchive = info['use_archive'];
              this.email = info['email'];
              this.suite = info['suite'];
              this.master = info['master'];
              this.internalOnly = info['internal_only'];

              this.loading = false;
            }.bind(this),
            function errorCallback(msg) {
              this.showErrorMessage('An error occurred', msg);
              this.close();
            }.bind(this));
        },

        /**
         * Makes a request to /start_try_job to perform a bisect.
         */
        onSendToTrybot: function(event) {
          event.preventDefault();
          this.loading = true;
          var params = {
              'step': 'perform-bisect',
              'bisect_bot': this.bot,
              'suite': this.suite,
              'metric': this.metric,
              'good_revision': this.earlierRevision,
              'bad_revision': this.laterRevision,
              'repeat_count': this.REPEAT_COUNT,
              'max_time_minutes': this.MAX_TIME_MINUTES,
              'use_archive': this.useArchive ? 'true' : '',
              'bypass_no_repro_check': this.bypassNoRepro ? 'true' : '',
              'master': this.master,
              'internal_only': this.internalOnly,
              'bisect_mode': this.BISECT_MODE,
              'xsrf_token': this.xsrfToken
          };
          if (this.bugId) {
            params['bug_id'] = this.bugId;
          }
          simple_xhr.send(
              '/start_try_job', params,
              function successCallback(info) {
                var message = '<b>Job submitted!</b> ' +
                              '<a href="{{issue_url}}" target="_blank">' +
                              'View job {{issue_id}}.</a>';
                this.showMessage(message, info);

                // Refresh bisect result log element.
                var bisectLog = document.getElementById('bisect-result-log');
                if (bisectLog) {
                  bisectLog['refresh']();
                }

                this.close();
              }.bind(this),
              function errorCallback(msg) {
                this.showErrorMessage('An error occurred', msg);
                this.close();
              }.bind(this));
        },

        earlierRevisionChanged: function() {
          this.error = '';
          if (!validateRev(this.earlierRevision)) {
            this.error = 'Revisions should be git commit positions or hashes.';
            return;
          }
          this.onRevisionsChange();
        },

        laterRevisionChanged: function() {
          this.error = '';
          if (!validateRev(this.laterRevision)) {
            this.error = 'Revisions should be git commit positions or hashes.';
            return;
          }
          this.onRevisionsChange();
        },

        onRevisionsChange: function() {
          if (!/^\d+$/.test(this.earlierRevision) ||
              !/^\d+$/.test(this.laterRevision)) {
            return;
          }
          if (Number(this.earlierRevision) > Number(this.laterRevision)) {
            this.error = (
                '"Earlier revision" should be less than "later revision".');
          }
        },

        open: function() {
          this.$.container.open();
        },

        close: function() {
          this.$.container.close();
        }
      });
    })();
  </script>
</polymer-element>