/**
 * AgentConfigEditor
 *
 * Monaco-based YAML editor component for editing agent configuration files.
 * Provides syntax highlighting, line numbers, and configurable editor options.
 * Validation is handled externally via the onValidate callback.
 */

import React, { useRef, useEffect } from 'react';
import Editor, { type OnMount } from '@monaco-editor/react';
import type { editor } from 'monaco-editor';

interface AgentConfigEditorProps {
    value: string;
    onChange: (value: string) => void;
    onValidate?: (markers: editor.IMarker[]) => void;
    readOnly?: boolean;
    height?: string;
}

export default function AgentConfigEditor({
    value,
    onChange,
    onValidate,
    readOnly = false,
    height = '100%',
}: AgentConfigEditorProps) {
    const editorRef = useRef<editor.IStandaloneCodeEditor | null>(null);

    useEffect(() => {
        // Set up validation when editor is mounted
        if (editorRef.current && onValidate) {
            const model = editorRef.current.getModel();
            if (model) {
                // Server-side validation is handled via API
                // Monaco provides basic YAML syntax highlighting
            }
        }
    }, [onValidate]);

    const handleEditorDidMount: OnMount = (editorInstance) => {
        editorRef.current = editorInstance as editor.IStandaloneCodeEditor;

        // Configure editor options
        editorInstance.updateOptions({
            minimap: { enabled: false },
            scrollBeyondLastLine: false,
            fontSize: 13,
            lineNumbers: 'on',
            renderLineHighlight: 'all',
            folding: true,
            automaticLayout: true,
        });
    };

    const handleEditorChange = (value: string | undefined) => {
        if (value !== undefined) {
            onChange(value);
        }
    };

    return (
        <Editor
            height={height}
            defaultLanguage="yaml"
            value={value}
            onChange={handleEditorChange}
            onMount={handleEditorDidMount}
            theme="vs-dark"
            options={{
                readOnly,
                wordWrap: 'on',
                tabSize: 2,
            }}
        />
    );
}