/*
       Licensed to the Apache Software Foundation (ASF) under one
       or more contributor license agreements.  See the NOTICE file
       distributed with this work for additional information
       regarding copyright ownership.  The ASF licenses this file
       to you under the Apache License, Version 2.0 (the
       "License"); you may not use this file except in compliance
       with the License.  You may obtain a copy of the License at

         http://www.apache.org/licenses/LICENSE-2.0

       Unless required by applicable law or agreed to in writing,
       software distributed under the License is distributed on an
       "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
       KIND, either express or implied.  See the License for the
       specific language governing permissions and limitations
       under the License.
*/

(function($) {
    // Setup editable widgets
    $('div.editable, span.editable, h1.editable')
        .find('.viewer')
        .append('<a class="edit_btn btn"><b class="fa fa-edit"></b></a>')
        .end()
        .click(function(e){
            var editable = $(this).closest('.editable');
            var editor = editable.find('.editor');
            var viewer = editable.find('.viewer');
            if(editor.hasClass('overlap')){
                editor.width(viewer.width());
            }
            editable.addClass('editing')
                    .removeClass('viewing');
            // autoresize textareas will be the wrong size the first time due to being hidden, so nudge them
            editor.find('textarea').change();
            e.stopPropagation();
        })
        .find('a').click(function(event){
            if(!$(this).hasClass('edit_btn')){
                event.stopPropagation();
            }
        })
        .end()
        .end()
        .find('.editor')
        .find('input, select, textarea').each(function(i){
            var $this = $(this);
            var editor = $this.closest('.editor');
            if ($this.attr('type') === 'checkbox') {
                $this.attr('original_val', this.checked);
            } else {
                $this.attr('original_val', this.value);
            }
            if(!$('a.cancel_btn', editor).length){
                var save_btns = $('<div class="save_holder"><input type="submit" value="Save"/><a href="#" class="cancel_btn">Cancel</a></div>');
                if(editor.hasClass('multiline')){
                    var save_holder = editor.find('.save_holder');
                    if(save_holder.length){
                        save_holder.append(save_btns);
                    }
                    else{
                        editor.append(save_btns);
                    }
                }
                else{
                    editor.append($('<table class="holder_table"><tr/></table>')
                                .append($('<td/>').append($this))
                                .append($('<td class="save_controls"/>').append($(save_btns)))
                    );
                }
            }
        })
        .end()
        .find('.cancel_btn').click(function(e){
            var $editable = $(this).closest('.editable');
            $editable.addClass('viewing').removeClass('editing');
            $editable.find('input:text, select, textarea').each(function(){
                $(this).val($(this).attr('original_val'));
            });
            $editable.find('input[type=checkbox]').each(function(){
                this.checked = ($(this).attr('original_val') === 'true');
            });
            return false;
        });
})(jQuery);

$(function(){
    $('.defaultText').
        focus(function(){
            var $this = $(this);
            if ( $this.val() == $this[0].title ){
                $this.removeClass('defaultTextActive').val('');
            }
        }).
        blur(function(){
            var $this = $(this);
            if ( !$this.val() ){
                $this.addClass('defaultTextActive').val($this[0].title);
            }
        }).
        blur();
    $('.selectText').focus(function(){
        var field = $(this);
        // running select() directly doesn't work for Chrome
        // http://stackoverflow.com/questions/3150275/jquery-input-select-all-on-focus/3150369#3150369
        window.setTimeout(function() {
            field.select();
        }, 10);
    });
});

function auto_close( o, timeout ){
    var $o = $(o);
    setTimeout(function(){
        $o.fadeOut('slow');
    }, timeout);
    return $o;
}

function flash( html, kind, timeout ){
    var status = kind || 'info';
    var title = 'Notice:';
    if(status == 'error'){
        title = 'Error:';
    }
    $('#messages').notify(html, {
        title: title,
        status: status
    });
}

function attach_form_retry( form ){
    $(form).submit(function(){
        $form = $(this);
        $messages = $('#messages')

        $messages.notify('Saving...', {
            title: 'Form save in progress',
            status: 'info'
        });
        setTimeout(function(){
            // After 7 seconds, express our concern.
            $messages.notify('The server is taking too long to respond.<br/>Retrying in 30 seconds.', {
                title: 'Form save in progress',
                status: 'error'
            });
            setTimeout(function(){
                // After 30 seconds total, give up and try again.
                $messages.notify('Retrying...', {
                    title: 'Form save in progress',
                    status: 'warning'
                });
                $form.submit();
            }, 23000)
        }, 7000);
    });
}

function addCommas(num) {
    // http://stackoverflow.com/questions/1990512/add-comma-to-numbers-every-three-digits-using-jquery/1990590#1990590
    return String(num).replace(new RegExp('(\\d)(?=(\\d\\d\\d)+(?!\\d))', 'g'), "$1,");
}

function get_cm($elem) {
    return $('.CodeMirror', $elem)[0].CodeMirror;
}

function escape_html(str) {
    return $('<i></i>').text(str).html();
}

$(function(){
    $('html').removeClass('no-js').addClass('js');

    // Add notifications for form submission.
    attach_form_retry('form.can-retry');

    $('#messages').notifier();
    // Process Flash messages
    $('#flash > div').
        each(function(){
            var status = this.className || 'info';
            var title = 'Notice:';
            if(status == 'error'){
                title = 'Error:';
            }
            $('#messages').notify(this.innerHTML, {
                title: title,
                status: status
            });
        });

    // Make life a little better for Chrome users by setting tab-order on inputs.
    // This won't stop Chrome from tabbing over links, but should stop links from
    // coming "in between" fields.
    var i = 0;
    $('input,textarea,select,button').each(function(){
        $(this).attr('tabindex', ++i);
    });

    // Provide prompt text for otherwise empty viewers
    var ws = /^\s*$/;
    $('[data-prompt]').each(function(){
        var $this = $(this);
        if ( ws.test($this.text()) ) {
            $this.css('color', 'gray').text($this.attr('data-prompt'))
        }
    });

    $('#site-notification .btn-close').click(function(e) {
        var $note = $(this).parents('section:first');
        $note.hide();
        var note_id = $note.attr('data-notification-id');
        var cookie = $.cookie('site-notification');
        // change e.g. "5dc2f69f07ae3175c7c21972-5-False" to "5dc2f69f07ae3175c7c21972-5-True" to mark as closed
        // cookie may have multiple id-num-bool sets in it
        cookie = cookie.replace(new RegExp(note_id + '-([0-9]+)-False'), note_id + '-$1-True');
        $.cookie('site-notification', cookie, {
            expires: 365,
            path: '/',
            secure: top.location.protocol==='https:' ? true : false
        });
        e.preventDefault();
        return false;
    });

    $('.lightbox').click(function(e) {
        var image_source = $(this).data("src") || $(this).attr('href');
        if ($('#lightbox').length === 0) {
            $('body').append('<div id="lightbox" style="display:none; height: 90%"><img style="display: block; max-height: 100%; max-width: 100%; margin-left: auto; margin-right: auto;"></div>');
        }
        var image = $('#lightbox').find('img:first');
        image.attr("src", image_source);

        $('#lightbox').lightbox_me({
            centered: true
        });

        e.preventDefault();
    });
    // backwards compatibility for old anchors.  If there's an intended target, but not an active one, try again with TOC prefix
    if (window.location.hash && !document.querySelector(':target')) {
        var new_hash = window.location.hash.replace('#', '#h-');
        try {
            if (document.querySelector(new_hash)) {
                window.location.hash = new_hash;
            } else {
                new_hash = window.location.hash.replace('#', '#user-content-');
                if (document.querySelector(new_hash)) {
                    window.location.hash = new_hash;
                }
            }
        } catch (e) {
            // e.g. invalid selector syntax
        }
    }
});

// Interactive checkboxes
$(function(){
    $('.active-md').each(function() {
        var $active_md = $(this);
        new Checklists($active_md, function(checkbox, callback) {
            var uri = $active_md.data('markdownlink');
            $.get(uri + 'get_markdown', callback);
        }, function(markdown, checkbox, callback) {
            var uri = $active_md.data('markdownlink');
            $.ajax({
                type: 'post',
                url: uri + 'update_markdown',
                data: {
                    'text' : markdown,
                    '_csrf_token' : $.cookie('_csrf_token')
                },
                success: callback
            });
        });
    });
});

// User card for mentions

var umProfileStore = {}; // caching profile data

var displayUserCard = function(instance, data) {
    $(instance).tooltipster('content', data);
}

$(function(){
    $(".user-mention").tooltipster({
        animation: 'fade',
        delay: 200,
        theme: 'tooltipster-default',
        trigger: 'hover',
        position: 'top',
        iconCloning: false,
        maxWidth: 400,
        contentAsHTML: true,
        interactive: true,
        content: 'Loading...',
        functionReady: function (instance, helper) {
            var userUrl = $(this).attr('href');
            if($(this).data('user-url')){
                userUrl = $(this).data('user-url');
            }
            
            if(umProfileStore.hasOwnProperty(userUrl)){
                displayUserCard(instance, umProfileStore[userUrl]);
                // load from cache
            }
            else {
                $.get(userUrl + 'user_card', function(data) {
                    displayUserCard(instance, data);
                    umProfileStore[userUrl] = data;
                });
            }
        }
    });
});
