CKEDITOR.plugins.add('customPlugin', {
    init: function(editor) {
        // 自动续写
        editor.addCommand('autoComplete', {
            exec: function(editor) {
                const currentText = editor.getData();
                // 调用AI API进行自动续写
                const newText = callAutoCompleteAPI(currentText);
                editor.setData(newText);
            }
        });

        // 文本改写
        editor.addCommand('rewriteText', {
            exec: function(editor) {
                const selectedText = editor.getSelection().getSelectedText();
                // 调用AI API进行文本改写
                const rewrittenText = callRewriteAPI(selectedText);
                editor.insertText(rewrittenText);
            }
        });

        // 总结/提取关键词
        editor.addCommand('summarizeText', {
            exec: function(editor) {
                const currentText = editor.getData();
                // 调用NLP API进行文本总结
                const summary = callSummarizeAPI(currentText);
                alert('Summary: ' + summary);
            }
        });

        // 语法纠错
        editor.addCommand('checkGrammar', {
            exec: function(editor) {
                const currentText = editor.getData();
                // 调用语法检查API
                const correctedText = callGrammarCheckAPI(currentText);
                editor.setData(correctedText);
            }
        });

        // 插入图片
        editor.addCommand('insertImage', {
            exec: function(editor) {
                // 实现插入图片功能
                const imageUrl = prompt('Enter image URL:');
                editor.insertHtml('<img src="' + imageUrl + '" alt="Image"/>');
            }
        });

        // 添加按钮到工具栏
        editor.ui.addButton('AutoComplete', {
            label: '自动续写',
            command: 'autoComplete',
            toolbar: 'insert'
        });

        editor.ui.addButton('RewriteText', {
            label: '文本改写',
            command: 'rewriteText',
            toolbar: 'insert'
        });

        editor.ui.addButton('SummarizeText', {
            label: '总结',
            command: 'summarizeText',
            toolbar: 'insert'
        });

        editor.ui.addButton('CheckGrammar', {
            label: '语法纠错',
            command: 'checkGrammar',
            toolbar: 'insert'
        });

        editor.ui.addButton('InsertImage', {
            label: '插入图片',
            command: 'insertImage',
            toolbar: 'insert'
        });
    }
});

// 伪代码：调用API的函数
function callAutoCompleteAPI(text) {
    // 调用自动续写API并返回结果
    return text + " [自动续写内容]";
}

function callRewriteAPI(text) {
    // 调用文本改写API并返回结果
    return text + " [改写内容]";
}

function callSummarizeAPI(text) {
    // 调用总结API并返回结果
    return "这是总结";
}

function callGrammarCheckAPI(text) {
    // 调用语法检查API并返回结果
    return text + " [语法已检查]";
}
