/**
* oEmbed Plugin plugin
* Licensed under the MIT license
* jQuery Embed Plugin: http://code.google.com/p/jquery-oembed/ (MIT License)
* Plugin for: http://ckeditor.com/license (GPL/LGPL/MPL: http://ckeditor.com/license)
*/

(function() {
        CKEDITOR.plugins.add('oembed', {
            icons: 'oembed',
            hidpi: true,
            requires: 'widget,dialog',
            lang: 'de,en,fr,nl,pl,pt-br,ru,tr', // %REMOVE_LINE_CORE%
            version: 1.17,
            init: function(editor) {
                // Load jquery?
                loadjQueryLibaries();

                CKEDITOR.tools.extend(CKEDITOR.editor.prototype, {
                    oEmbed: function(url, maxWidth, maxHeight, responsiveResize) {

                        if (url.length < 1 || url.indexOf('http') < 0) {
                            alert(editor.lang.oembed.invalidUrl);
                            return false;
                        }

                        function embed() {
                            if (maxWidth == null || maxWidth == 'undefined') {
                                maxWidth = null;
                            }

                            if (maxHeight == null || maxHeight == 'undefined') {
                                maxHeight = null;
                            }

                            if (responsiveResize == null || responsiveResize == 'undefined') {
                                responsiveResize = false;
                            }

                            embedCode(url, editor, false, maxWidth, maxHeight, responsiveResize);
                        }

                        if (typeof(jQuery.fn.oembed) === 'undefined') {
                            CKEDITOR.scriptLoader.load(CKEDITOR.getUrl(CKEDITOR.plugins.getPath('oembed') + 'libs/jquery.oembed.min.js'), function() {
                                embed();
                            });
                        } else {
                            embed();
                        }

                        return true;
                    }
                });

                editor.widgets.add('oembed', {
                    draggable: false,
                    mask: true,
                    dialog: 'oembed',
                    allowedContent: {
                        div: {
                            styles: 'text-align,float',
                            attributes: '*',
                            classes: editor.config.oembed_WrapperClass != null ? editor.config.oembed_WrapperClass : "embeddedContent"
                        },
                        'div(embeddedContent,oembed-provider-*) iframe': {
                            attributes: '*'
                        },
                        'div(embeddedContent,oembed-provider-*) blockquote': {
                            attributes: '*'
                        },
                        'div(embeddedContent,oembed-provider-*) script': {
                            attributes: '*'
                        }
                    },
                    template:
                        '<div class="' + (editor.config.oembed_WrapperClass != null ? editor.config.oembed_WrapperClass : "embeddedContent") + '">' +
                            '</div>',
                    upcast: function(element) {
                        return element.name == 'div' && element.hasClass(editor.config.oembed_WrapperClass != null ? editor.config.oembed_WrapperClass : "embeddedContent");
                    },
                    init: function() {
                        var data = {
                            oembed: this.element.data('oembed') || '',
                            resizeType: this.element.data('resizeType') || 'noresize',
                            maxWidth: this.element.data('maxWidth') || 560,
                            maxHeight: this.element.data('maxHeight') || 315,
                            align: this.element.data('align') || 'none',
                            oembed_provider: this.element.data('oembed_provider') || ''
                        };

                        this.setData(data);
                        this.element.addClass('oembed-provider-' + data.oembed_provider);

                        this.on('dialog', function(evt) {
                            evt.data.widget = this;
                        }, this);
                    }
                });

                editor.ui.addButton('oembed', {
                    label: editor.lang.oembed.button,
                    command: 'oembed',
                    toolbar: 'insert,6',
                    icon: this.path + "icons/" + (CKEDITOR.env.hidpi ? "hidpi/" : "") + "oembed.png"
                });

                var resizeTypeChanged = function() {
                    var dialog = this.getDialog(),
                        resizetype = this.getValue(),
                        maxSizeBox = dialog.getContentElement('general', 'maxSizeBox').getElement(),
                        sizeBox = dialog.getContentElement('general', 'sizeBox').getElement();

                    if (resizetype == 'noresize') {
                        maxSizeBox.hide();

                        sizeBox.hide();
                    } else if (resizetype == "custom") {
                        maxSizeBox.hide();

                        sizeBox.show();
                    } else {
                        maxSizeBox.show();

                        sizeBox.hide();
                    }

                };

                String.prototype.beginsWith = function(string) {
                    return (this.indexOf(string) === 0);
                };

                function loadjQueryLibaries() {
                    if (typeof(jQuery) === 'undefined') {
                        CKEDITOR.scriptLoader.load('//ajax.googleapis.com/ajax/libs/jquery/1/jquery.min.js', function() {
                            jQuery.noConflict();
                            if (typeof(jQuery.fn.oembed) === 'undefined') {
                                CKEDITOR.scriptLoader.load(
                                    CKEDITOR.getUrl(CKEDITOR.plugins.getPath('oembed') + 'libs/jquery.oembed.min.js')
                                );
                            }
                        });

                    } else if (typeof(jQuery.fn.oembed) === 'undefined') {
                        CKEDITOR.scriptLoader.load(CKEDITOR.getUrl(CKEDITOR.plugins.getPath('oembed') + 'libs/jquery.oembed.min.js'));
                    }
                }

                function embedCode(url, instance, maxWidth, maxHeight, responsiveResize, resizeType, align, widget) {
                    jQuery('body').oembed(url, {
                        onEmbed: function(e) {
                            var elementAdded = false,
                                provider = jQuery.fn.oembed.getOEmbedProvider(url);

                            widget.element.data('resizeType', resizeType);
                            if (resizeType == "responsive" || resizeType == "custom") {
                                widget.element.data('maxWidth', maxWidth);
                                widget.element.data('maxHeight', maxHeight);
                            }

                            widget.element.data('align', align);

                            // TODO handle align
                            if (align == 'center') {
                                if (!widget.inline)
                                    widget.element.setStyle('text-align', 'center');

                                widget.element.removeStyle('float');
                            } else {
                                if (!widget.inline)
                                    widget.element.removeStyle('text-align');

                                if (align == 'none')
                                    widget.element.removeStyle('float');
                                else
                                    widget.element.setStyle('float', align);
                            }

                            if (typeof e.code === 'string') {
                                if (widget.element.$.firstChild) {
                                    widget.element.$.removeChild(widget.element.$.firstChild);
                                }

                                widget.element.appendHtml(e.code);
                                widget.element.data('oembed', url);
                                widget.element.data('oembed_provider', provider.name);
                                widget.element.addClass('oembed-provider-' + provider.name);

                                elementAdded = true;
                            } else if (typeof e.code[0].outerHTML === 'string') {

                                if (widget.element.$.firstChild) {
                                    widget.element.$.removeChild(widget.element.$.firstChild);
                                }

                                widget.element.appendHtml(e.code[0].outerHTML);
                                widget.element.data('oembed', url);
                                widget.element.data('oembed_provider', provider.name);
                                widget.element.addClass('oembed-provider-' + provider.name);

                                elementAdded = true;
                            } else {
                                alert(editor.lang.oembed.noEmbedCode);
                            }
                        },
                        onError: function(externalUrl) {
                            if (externalUrl.indexOf("vimeo.com") > 0) {
                                alert(editor.lang.oembed.noVimeo);
                            } else {
                                alert(editor.lang.oembed.Error);
                            }

                        },
                        maxHeight: maxHeight,
                        maxWidth: maxWidth,
                        useResponsiveResize: responsiveResize,
                        embedMethod: 'editor'
                    });
                }

                CKEDITOR.dialog.add('oembed', function(editor) {
                    return {
                        title: editor.lang.oembed.title,
                        minWidth: CKEDITOR.env.ie && CKEDITOR.env.quirks ? 568 : 550,
                        minHeight: 155,
                        onShow: function() {
                            var data = {
                                oembed: this.widget.element.data('oembed') || '',
                                resizeType: this.widget.element.data('resizeType') || 'noresize',
                                maxWidth: this.widget.element.data('maxWidth'),
                                maxHeight: this.widget.element.data('maxHeight'),
                                align: this.widget.element.data('align') || 'none'
                            };

                            this.widget.setData(data);

                            this.getContentElement('general', 'resizeType').setValue(data.resizeType);

                            this.getContentElement('general', 'align').setValue(data.align);

                            var resizetype = this.getContentElement('general', 'resizeType').getValue(),
                                maxSizeBox = this.getContentElement('general', 'maxSizeBox').getElement(),
                                sizeBox = this.getContentElement('general', 'sizeBox').getElement();

                            if (resizetype == 'noresize') {
                                maxSizeBox.hide();
                                sizeBox.hide();
                            } else if (resizetype == "custom") {
                                maxSizeBox.hide();

                                sizeBox.show();
                            } else {
                                maxSizeBox.show();

                                sizeBox.hide();
                            }
                        },

                        onOk: function() {
                        },
                        contents: [
                            {
                                label: editor.lang.common.generalTab,
                                id: 'general',
                                elements: [
                                    {
                                        type: 'html',
                                        id: 'oembedHeader',
                                        html: '<div style="white-space:normal;width:500px;padding-bottom:10px">' + editor.lang.oembed.pasteUrl + '</div>'
                                    }, {
                                        type: 'text',
                                        id: 'embedCode',
                                        focus: function() {
                                            this.getElement().focus();
                                        },
                                        label: editor.lang.oembed.url,
                                        title: editor.lang.oembed.pasteUrl,
                                        setup: function(widget) {
                                            if (widget.data.oembed) {
                                                this.setValue(widget.data.oembed);
                                            }
                                        },
                                        commit: function(widget) {
                                            var dialog = CKEDITOR.dialog.getCurrent(),
                                                inputCode = dialog.getValueOf('general', 'embedCode').replace(/\s/g, ""),
                                                resizeType = dialog.getContentElement('general', 'resizeType').
                                                    getValue(),
                                                align = dialog.getContentElement('general', 'align').
                                                    getValue(),
                                                maxWidth = null,
                                                maxHeight = null,
                                                responsiveResize = false,
                                                editorInstance = dialog.getParentEditor();

                                            if (inputCode.length < 1 || inputCode.indexOf('http') < 0) {
                                                alert(editor.lang.oembed.invalidUrl);
                                                return false;
                                            }

                                            if (resizeType == "noresize") {
                                                responsiveResize = false;
                                                maxWidth = null;
                                                maxHeight = null;
                                            } else if (resizeType == "responsive") {
                                                maxWidth = dialog.getContentElement('general', 'maxWidth').
                                                    getInputElement().
                                                    getValue();
                                                maxHeight = dialog.getContentElement('general', 'maxHeight').
                                                    getInputElement().
                                                    getValue();

                                                responsiveResize = true;
                                            } else if (resizeType == "custom") {
                                                maxWidth = dialog.getContentElement('general', 'width').
                                                    getInputElement().
                                                    getValue();
                                                maxHeight = dialog.getContentElement('general', 'height').
                                                    getInputElement().
                                                    getValue();

                                                responsiveResize = false;
                                            }

                                            embedCode(inputCode, editorInstance, maxWidth, maxHeight, responsiveResize, resizeType, align, widget);

                                            widget.setData('oembed', inputCode);
                                            widget.setData('resizeType', resizeType);
                                            widget.setData('align', align);
                                            widget.setData('maxWidth', maxWidth);
                                            widget.setData('maxHeight', maxHeight);
                                        }
                                    }, {
                                        type: 'hbox',
                                        widths: ['50%', '50%'],
                                        children: [
                                            {
                                                id: 'resizeType',
                                                type: 'select',
                                                label: editor.lang.oembed.resizeType,
                                                'default': 'noresize',
                                                setup: function(widget) {
                                                    if (widget.data.resizeType) {
                                                        this.setValue(widget.data.resizeType);
                                                    }
                                                },
                                                items: [
                                                    [editor.lang.oembed.noresize, 'noresize'],
                                                    [editor.lang.oembed.responsive, 'responsive'],
                                                    [editor.lang.oembed.custom, 'custom']
                                                ],
                                                onChange: resizeTypeChanged
                                            }, {
                                                type: 'hbox',
                                                id: 'maxSizeBox',
                                                widths: ['120px', '120px'],
                                                style: 'float:left;position:absolute;left:58%;width:200px',
                                                children: [
                                                    {
                                                        type: 'text',
                                                        width: '100px',
                                                        id: 'maxWidth',
                                                        'default': editor.config.oembed_maxWidth != null ? editor.config.oembed_maxWidth : '560',
                                                        label: editor.lang.oembed.maxWidth,
                                                        title: editor.lang.oembed.maxWidthTitle,
                                                        setup: function(widget) {
                                                            if (widget.data.maxWidth) {
                                                                this.setValue(widget.data.maxWidth);
                                                            }
                                                        }
                                                    }, {
                                                        type: 'text',
                                                        id: 'maxHeight',
                                                        width: '120px',
                                                        'default': editor.config.oembed_maxHeight != null ? editor.config.oembed_maxHeight : '315',
                                                        label: editor.lang.oembed.maxHeight,
                                                        title: editor.lang.oembed.maxHeightTitle,
                                                        setup: function(widget) {
                                                            if (widget.data.maxHeight) {
                                                                this.setValue(widget.data.maxHeight);
                                                            }
                                                        }
                                                    }
                                                ]
                                            }, {
                                                type: 'hbox',
                                                id: 'sizeBox',
                                                widths: ['120px', '120px'],
                                                style: 'float:left;position:absolute;left:58%;width:200px',
                                                children: [
                                                    {
                                                        type: 'text',
                                                        id: 'width',
                                                        width: '100px',
                                                        'default': editor.config.oembed_maxWidth != null ? editor.config.oembed_maxWidth : '560',
                                                        label: editor.lang.oembed.width,
                                                        title: editor.lang.oembed.widthTitle,
                                                        setup: function(widget) {
                                                            if (widget.data.maxWidth) {
                                                                this.setValue(widget.data.maxWidth);
                                                            }
                                                        }
                                                    }, {
                                                        type: 'text',
                                                        id: 'height',
                                                        width: '120px',
                                                        'default': editor.config.oembed_maxHeight != null ? editor.config.oembed_maxHeight : '315',
                                                        label: editor.lang.oembed.height,
                                                        title: editor.lang.oembed.heightTitle,
                                                        setup: function(widget) {
                                                            if (widget.data.maxHeight) {
                                                                this.setValue(widget.data.maxHeight);
                                                            }
                                                        }
                                                    }
                                                ]
                                            }
                                        ]
                                    }, {
                                        type: 'hbox',
                                        id: 'alignment',
                                        children: [
                                            {
                                                id: 'align',
                                                type: 'radio',
                                                items: [
                                                    [editor.lang.oembed.none, 'none'],
                                                    [editor.lang.common.alignLeft, 'left'],
                                                    [editor.lang.common.alignCenter, 'center'],
                                                    [editor.lang.common.alignRight, 'right']
                                                ],
                                                label: editor.lang.common.align,
                                                setup: function(widget) {
                                                    this.setValue(widget.data.align);
                                                }
                                            }
                                        ]
                                    }
                                ]
                            }
                        ]
                    };
                });
            }
        });
    }
)();