/**
 * Jio Creator Studio — 前台 TinyMCE 写作工作台。
 *
 * TinyMCE 负责文章正文编辑，固定操作栏通过 TinyMCE API 执行排版与媒体命令；
 * Jio REST 继续负责保存、审核、权限、付费配置与私有附件归属。
 *
 * @package Jio
 */

import { createRoot, useCallback, useEffect, useMemo, useRef, useState } from '@wordpress/element';
import { __, sprintf } from '@wordpress/i18n';

import { apiPost } from './services/api';
import { PublishDrawer } from './panels/publish-drawer';
import { PublishDialog } from './components/publish-dialog';
import { EditorToolbar } from './components/editor-toolbar';
import { PublishSettings } from './components/publish-settings';
import { StudioMasthead } from './components/studio-masthead';
import { type SaveStateValue } from './components/save-state';
import { useAutosave } from './hooks/use-autosave';
import { useLocalRecovery } from './hooks/use-local-recovery';
import { normalizePayForRequest } from './utils/pay';
import { EDITOR_CONTENT_STYLE } from './editor-content-style';
import { hydrateBlocks, serializeBlocks } from './utils/serialize';
import { StatusBar } from './components/status-bar';
import {
	codeBlockMarkup,
	dividerMarkup,
	footnoteMarkup,
	hiddenContentMarkup,
	mathMarkup,
	quoteMarkup,
	retargetHiddenContent,
	tableMarkup,
	type HideKind,
	type QuoteColor,
} from './utils/block-markup';
import { BlockDialog, type BlockDialogKind, type BlockDialogResult } from './components/block-dialog';
import { type Draft, type Limits, initialDraft } from './draft';
import {
	installBlockActions,
	removeAdjacentBlock,
	syncEditorHeight,
} from './editor-runtime';
import './styles/studio.scss';

const bootstrap: Record<string, any> = window['jioCreatorStudio'] || {};
const nonce: string = bootstrap.nonce || '';
const STORAGE_KEY = `jio-studio-${bootstrap.sourceId || 0}`;
const EDITOR_ID = 'jio-creator-content';

function escapeAttribute(value: string): string {
	return value.replace(/&/g, '&amp;').replace(/"/g, '&quot;').replace(/</g, '&lt;').replace(/>/g, '&gt;');
}

function safeHttpUrl(value: unknown): string {
	const raw = String(value || '').trim();
	if (!raw) {
		return '';
	}
	try {
		const url = new URL(raw, window.location.href);
		return url.protocol === 'http:' || url.protocol === 'https:' ? url.href : '';
	} catch (error) {
		return '';
	}
}

function plainText(content: string): string {
	const container = document.createElement('div');
	container.innerHTML = content;
	return (container.textContent || '').replace(/\s+/g, '');
}

function Studio(): JSX.Element {
	const [draft, setDraft] = useState<Draft>(() => initialDraft(bootstrap));
	const draftRef = useRef(draft);
	draftRef.current = draft;
	const editorRef = useRef<any>(null);
	const editorBookmarkRef = useRef<any>(null);
	const pendingRestoreContentRef = useRef<string | null>(null);
	const editorReadyRef = useRef(false);
	const saveActionRef = useRef<() => void>(() => undefined);
	const [editorReady, setEditorReady] = useState(false);
	const [historyAvailability, setHistoryAvailability] = useState({ canUndo: false, canRedo: false });
	const [formatValue, setFormatValue] = useState('p');
	const [alignValue, setAlignValue] = useState('left');
	const [blockValue, setBlockValue] = useState('p');
	const [saveState, setSaveState] = useState<SaveStateValue>(() => ({
		state: bootstrap.sourceId || bootstrap.versionId || bootstrap.content ? 'saved' : 'ready',
		at: '',
	}));
	const [drawerOpen, setDrawerOpen] = useState(false);
	const [publishOpen, setPublishOpen] = useState(false);
	const [blockDialog, setBlockDialog] = useState<BlockDialogKind | null>(null);
	const [notice, setNotice] = useState<{ tone: 'ok' | 'error'; text: string } | null>(null);
	const [recovery, setRecovery] = useState<null | { savedAt: string }>(null);
	const dirtyRef = useRef(false);
	const editRevisionRef = useRef(0);

	const capabilities = bootstrap.capabilities || {};
	const limits: Limits = {
		titleMin: Number(bootstrap.limits?.titleMin || 1),
		titleMax: Number(bootstrap.limits?.titleMax || 30),
		titlePlaceholder: String(bootstrap.limits?.titlePlaceholder || __('请输入标题', 'jio')),
		priceMin: Number(bootstrap.pay?.priceMin || 0),
		priceMax: Number(bootstrap.pay?.priceMax || 0),
		pointsMin: Number(bootstrap.pay?.pointsMin || 0),
		pointsMax: Number(bootstrap.pay?.pointsMax || 0),
	};
	const isPublishedEdit = !!bootstrap.isPublished;
	const charCount = useMemo(() => Array.from(plainText(draft.content)).length, [draft.content]);

	const patchDraft = useCallback((patch: Partial<Draft>) => {
		dirtyRef.current = true;
		editRevisionRef.current += 1;
		const next = { ...draftRef.current, ...patch };
		draftRef.current = next;
		setDraft(next);
	}, []);

	const updateContent = useCallback((content: string) => {
		if (content === draftRef.current.content) {
			return;
		}
		dirtyRef.current = true;
		editRevisionRef.current += 1;
		const next = { ...draftRef.current, content };
		draftRef.current = next;
		setDraft(next);
	}, []);

	const updateHistoryAvailability = useCallback((editor: any) => {
		const manager = editor?.undoManager;
		if (!manager) return;
		setHistoryAvailability({
			canUndo: typeof manager.hasUndo === 'function' && manager.hasUndo(),
			canRedo: typeof manager.hasRedo === 'function' && manager.hasRedo(),
		});
	}, []);

	const updateFormatValue = useCallback((editor: any) => {
		const node = editor?.selection?.getNode();
		const block = node ? editor.dom.getParent(node, 'p,h1,h2,h3,h4,h5,h6') || node : null;
		const name = block?.nodeName?.toLowerCase() || 'p';
		setFormatValue(['h1', 'h2', 'h3', 'h4'].includes(name) ? name : 'p');
	}, []);

	/**
	 * 同步工具栏的激活态：对齐方式、列表类型、以及光标是否在引用 / 隐藏内容里。
	 * 只读编辑器状态，不写 DOM，所以可以安全地在 NodeChange 上高频调用。
	 */
	const updateBlockValue = useCallback((editor: any) => {
		const node = editor?.selection?.getNode();
		if (!node) {
			return;
		}
		const body = editor.getBody();
		const alignment = String(editor.formatter?.match?.(['alignleft', 'aligncenter', 'alignright']) || '');
		setAlignValue(alignment === 'aligncenter' ? 'center' : alignment === 'alignright' ? 'right' : 'left');

		const quote = editor.dom.getParent(node, '.quote_q', body);
		if (quote) {
			const color = Array.from(quote.classList as unknown as string[]).find((name) => name.indexOf('qe_wzk_') === 0);
			setBlockValue(color || 'quote');
			return;
		}
		if (editor.dom.getParent(node, 'ul', body)) {
			setBlockValue('ul');
			return;
		}
		if (editor.dom.getParent(node, 'ol', body)) {
			setBlockValue('ol');
			return;
		}
		setBlockValue('p');
	}, []);

	const buildPayload = useCallback((extra: Record<string, any> = {}) => {
		const current = draftRef.current;
		return {
			post_id: current.postId,
			version_id: current.versionId,
			rev: current.rev,
			title: current.title,
			content: current.content,
			categories: current.categories,
			tags: current.tags,
			custom: current.custom,
			featured: current.featured,
			schedule: {
				enabled: !!current.schedule.enabled,
				at: current.schedule.enabled ? current.schedule.at : '',
			},
			pay: normalizePayForRequest(current.pay),
			...extra,
		};
	}, []);

	const save = useCallback(
		async (autosave = false): Promise<boolean> => {
			const editor = editorRef.current;
			if (editor && !editor.removed) {
				updateContent(serializeBlocks(editor.getContent()));
			}
			const current = draftRef.current;
			if (!dirtyRef.current && (current.postId > 0 || current.versionId > 0)) {
				return true;
			}
			const requestRevision = editRevisionRef.current;
			// 空文档（连块级内容都没有）不发请求：服务端会拒绝，前端也不该把它当失败。
			const hasDocument = current.title.trim() !== '' || plainText(current.content).trim() !== ''
				|| /<(?:img|table|pre|hr|iframe|video)/i.test(current.content);
			if (!hasDocument) {
				return true;
			}
			setSaveState({ state: 'saving', at: '' });
			try {
				const response = await apiPost(bootstrap.creator.saveUrl, buildPayload({ autosave }), nonce);
				const updated = {
					...draftRef.current,
					postId: Number(response.post_id || draftRef.current.postId || 0),
					versionId: Number(response.version_id || draftRef.current.versionId || 0),
					rev: Number(response.rev || response.versionRev || draftRef.current.rev || 0),
				};
				if ((window as any).jioSubmitData) {
					(window as any).jioSubmitData.postId = updated.postId;
				}
				const settled = editRevisionRef.current === requestRevision;
				dirtyRef.current = !settled;
				draftRef.current = updated;
				setDraft(updated);
				setSaveState({ state: settled ? 'saved' : 'saving', at: settled ? new Date().toLocaleTimeString() : '' });
				return settled;
			} catch (error: any) {
				setSaveState({ state: error?.status === 409 ? 'conflict' : 'error', at: '' });
				return false;
			}
		},
		[buildPayload]
	);
	saveActionRef.current = () => void save(false);

	const submit = useCallback(
		async (publishNow: boolean): Promise<void> => {
			const persisted = await save(false);
			if (!persisted) {
				setNotice({ tone: 'error', text: __('内容保存失败，请重试后再提交', 'jio') });
				return;
			}
			setSaveState({ state: 'submitting', at: '' });
			try {
				let captchaProof = '';
				const captcha = (window as any).JioCaptcha;
				if (bootstrap.captcha?.enabled && captcha && typeof captcha.run === 'function') {
					const payload = await captcha.run('front_submit');
					if (payload === null) {
						setSaveState({ state: 'ready', at: '' });
						setNotice({ tone: 'error', text: __('请先完成人机验证', 'jio') });
						return;
					}
					captchaProof = String(payload?.jio_captcha_proof || '');
				}
				const response = await apiPost(
					bootstrap.creator.submitUrl,
					buildPayload({
						post_id: draftRef.current.postId,
						version_id: draftRef.current.versionId,
						rev: draftRef.current.rev,
						publish_now: publishNow,
						captcha_proof: captchaProof,
					}),
					nonce
				);
				dirtyRef.current = false;
				setSaveState({ state: 'submitted', at: '' });
				setNotice({ tone: 'ok', text: String(response.message || __('已提交', 'jio')) });
				setPublishOpen(false);
				setDrawerOpen(false);
				const target = response.url || response.goto || bootstrap.urls?.center;
				if (target) {
					window.setTimeout(() => {
						window.location.href = target;
					}, 900);
				}
			} catch (error: any) {
				setSaveState({ state: 'error', at: '' });
				setNotice({ tone: 'error', text: String(error?.message || __('提交失败', 'jio')) });
			}
		},
		[buildPayload, save]
	);

	const preview = useCallback(async (): Promise<void> => {
		const saved = await save(false);
		if (!saved) {
			return;
		}
		try {
			const response = await apiPost(
				bootstrap.creator.previewUrl,
				{ post_id: draftRef.current.postId, version_id: draftRef.current.versionId },
				nonce
			);
			if (response.url) {
				window.open(String(response.url), '_blank', 'noopener');
			}
		} catch (error: any) {
			setNotice({ tone: 'error', text: String(error?.message || __('预览失败', 'jio')) });
		}
	}, [save]);

	const { markLocalSaved, clear } = useLocalRecovery({
		key: STORAGE_KEY,
		snapshot: { title: draft.title, content: draft.content, at: new Date().toISOString() },
		onFound: (savedAt: string) => setRecovery({ savedAt }),
	});

	const autosave = useAutosave({
		enabled: !!capabilities.isLoggedIn,
		onSave: async () => {
			const ok = await save(true);
			if (ok) {
				clear();
			}
			return ok;
		},
		onLocal: markLocalSaved,
	});

	const autosaveSchedule = autosave.schedule;

	useEffect(() => {
		if (dirtyRef.current) {
			autosaveSchedule();
		}
	}, [draft, autosaveSchedule]);

	useEffect(() => {
		const beforeUnload = (event: BeforeUnloadEvent) => {
			if (!dirtyRef.current) {
				return;
			}
			event.preventDefault();
			event.returnValue = '';
		};
		window.addEventListener('beforeunload', beforeUnload);
		return () => window.removeEventListener('beforeunload', beforeUnload);
	}, []);

	useEffect(() => {
		const onKey = (event: KeyboardEvent) => {
			if ((event.metaKey || event.ctrlKey) && event.key.toLowerCase() === 's') {
				event.preventDefault();
				void save(false);
			}
		};
		window.addEventListener('keydown', onKey);
		return () => window.removeEventListener('keydown', onKey);
	}, [save]);

	useEffect(() => {
		const wpEditor = (window as any).wp?.editor;
		if (!wpEditor || typeof wpEditor.initialize !== 'function') {
			setNotice({ tone: 'error', text: __('TinyMCE 加载失败，请刷新页面后重试。', 'jio') });
			return undefined;
		}

		const editorSettings: Record<string, any> = {
			quicktags: false,
			tinymce: {
				menubar: false,
				statusbar: false,
				resize: false,
				toolbar1: '',
				toolbar2: '',
				toolbar3: '',
				plugins: 'paste,link,lists,wordpress,wplink',
				wpautop: true,
				body_class: 'jio-creator__tinymce',
				content_css: bootstrap.creator?.contentCss || '',
				content_style: EDITOR_CONTENT_STYLE,
				// iframe 高度随后由 autoresize 随正文增长，这里只给初始值。
				height: 520,
				placeholder: String(bootstrap.limits?.contentPlaceholder || ''),
				setup: (editor: any) => {
					editorRef.current = editor;
					editor.on('init', () => {
						editorReadyRef.current = true;
						setEditorReady(true);
						if (pendingRestoreContentRef.current !== null) {
							editor.setContent(hydrateBlocks(pendingRestoreContentRef.current));
							pendingRestoreContentRef.current = null;
						} else {
							editor.setContent(hydrateBlocks(editor.getContent()));
						}
						syncEditorHeight(editor);
						installBlockActions(editor);
						updateHistoryAvailability(editor);
						updateFormatValue(editor);
						updateBlockValue(editor);
					});
					editor.on('NodeChange', () => {
						updateFormatValue(editor);
						updateBlockValue(editor);
					});
					editor.on('input change Undo Redo AddUndo', () => {
						updateContent(serializeBlocks(editor.getContent()));
						updateHistoryAvailability(editor);
						syncEditorHeight(editor);
					});
					editor.on('keydown', (event: any) => {
						if ((event.metaKey || event.ctrlKey) && event.keyCode === 83) {
							event.preventDefault();
							saveActionRef.current();
							return;
						}
						removeAdjacentBlock(editor, event);
					});
				},
			},
		};
		wpEditor.initialize(EDITOR_ID, editorSettings);

		return () => {
			wpEditor.remove?.(EDITOR_ID);
			editorReadyRef.current = false;
			editorRef.current = null;
		};
	}, [updateContent, updateBlockValue, updateFormatValue]);

	const restore = useCallback(() => {
		try {
			const raw = window.localStorage.getItem(STORAGE_KEY);
			if (raw) {
				const parsed = JSON.parse(raw);
				const patch: Partial<Draft> = {};
				if (typeof parsed.title === 'string') patch.title = parsed.title;
				if (typeof parsed.content === 'string') patch.content = parsed.content;
				patchDraft(patch);
				if (typeof parsed.content === 'string') {
					if (editorReadyRef.current) {
						editorRef.current?.setContent(parsed.content);
					} else {
						pendingRestoreContentRef.current = parsed.content;
					}
				}
			}
		} catch (error) {
			// 快照损坏时忽略，不影响服务端内容。
		}
		setRecovery(null);
	}, [patchDraft]);

	const rememberSelection = useCallback(() => {
		const editor = editorRef.current;
		if (editor && !editor.removed) {
			editorBookmarkRef.current = editor.selection.getBookmark(2, true);
		}
	}, []);

	const focusEditor = useCallback(() => {
		const editor = editorRef.current;
		if (!editor || editor.removed) {
			return null;
		}
		editor.focus();
		if (editorBookmarkRef.current) {
			try {
				editor.selection.moveToBookmark(editorBookmarkRef.current);
			} catch (error) {
				// TinyMCE discards invalid bookmarks after content replacement.
			}
			editorBookmarkRef.current = null;
		}
		return editor;
	}, []);

	const command = useCallback((name: string, value?: string) => {
		const editor = focusEditor();
		if (!editor) {
			return;
		}
		if (name === 'undo') {
			editor.undoManager.undo();
		} else if (name === 'redo') {
			editor.undoManager.redo();
		} else if (name === 'format') {
			const block = value || 'p';
			editor.execCommand('FormatBlock', false, block);
			updateFormatValue(editor);
		} else if (name === 'align') {
			editor.execCommand(
				value === 'center' ? 'JustifyCenter' : value === 'right' ? 'JustifyRight' : 'JustifyLeft'
			);
			updateBlockValue(editor);
		} else {
			editor.execCommand(name);
		}
		editor.nodeChanged();
	}, [focusEditor, updateBlockValue, updateFormatValue]);

	const openLink = useCallback(() => {
		const editor = focusEditor();
		if (!editor) {
			return;
		}
		const wpLink = (window as any).wpLink;
		if (wpLink && typeof wpLink.open === 'function') {
			wpLink.open(editor.id);
			return;
		}
		const url = window.prompt(__('输入链接地址', 'jio'), 'https://');
		const safeUrl = url ? safeHttpUrl(url) : '';
		if (safeUrl) {
			editor.execCommand('mceInsertLink', false, { href: safeUrl });
		}
	}, [focusEditor]);

	const insertHtml = useCallback((html: string) => {
		const editor = focusEditor();
		if (!editor || !html) {
			return;
		}
		editor.insertContent(html);
		// 让刚插入的块成为一次可撤销的操作（insertContent 本身不进 undo 栈）。
		editor.undoManager.add();
		editor.nodeChanged();
		updateContent(serializeBlocks(editor.getContent()));
		updateHistoryAvailability(editor);
		syncEditorHeight(editor);
	}, [focusEditor]);

	// 直接插入、无需参数的小块；需要参数的块打开通用弹窗。
	const insertBlock = useCallback((kind: string) => {
		rememberSelection();
		if (kind === 'table' || kind === 'math' || kind === 'footnote') {
			setBlockDialog(kind as BlockDialogKind);
			return;
		}
		if (kind === 'code') {
			insertHtml(codeBlockMarkup());
			return;
		}
		if (kind === 'ul' || kind === 'ol') {
			const editor = focusEditor();
			if (editor) {
				editor.execCommand(kind === 'ol' ? 'InsertOrderedList' : 'InsertUnorderedList');
				editor.undoManager.add();
				editor.nodeChanged();
				updateContent(serializeBlocks(editor.getContent()));
				updateBlockValue(editor);
			}
			return;
		}
		if (kind === 'divider') {
			insertHtml(dividerMarkup());
		}
	}, [focusEditor, insertHtml, rememberSelection, updateBlockValue]);

	/**
	 * 把当前选区（或光标所在的顶层段落）替换成一个整块。
	 *
	 * - 有选区：包住选中的内容；
	 * - 光标停在顶层段落里：整段替换，避免正文被复制成两份；
	 * - 其它位置：插入一个空块。
	 */
	const wrapSelection = useCallback((build: (innerHtml: string) => string) => {
		const editor = focusEditor();
		if (!editor) {
			return;
		}
		const selected = String(editor.selection.getContent({ format: 'html' }) || '').trim();
		if (selected === '') {
			const node = editor.selection.getNode();
			if (node && node.nodeName === 'P' && node.parentNode === editor.getBody()) {
				// 选中整段后再插入，让 TinyMCE 用新块替换掉原段落。
				editor.selection.select(node);
			}
		}
		const inner = String(editor.selection.getContent({ format: 'html' }) || '').trim();
		// insertContent 不进 undo 栈，这里包一层 transact 让整次插入可一次撤销。
		editor.undoManager.transact(() => {
			editor.insertContent(build(inner));
		});
		editor.nodeChanged();
		updateContent(serializeBlocks(editor.getContent()));
		updateHistoryAvailability(editor);
		syncEditorHeight(editor);
		updateBlockValue(editor);
	}, [focusEditor, updateBlockValue]);

	const insertQuote = useCallback((colorClass: QuoteColor) => {
		const editor = focusEditor();
		if (!editor) {
			return;
		}
		// 已有引用块：只换配色，正文保持不变。
		const existing = editor.dom.getParent(editor.selection.getNode(), '.quote_q');
		if (existing) {
			const classes = ['quote_q', 'quote-mce'];
			if (colorClass) {
				classes.push(colorClass);
			}
			existing.className = classes.join(' ');
			editor.nodeChanged();
			updateBlockValue(editor);
			updateContent(serializeBlocks(editor.getContent()));
			return;
		}
		wrapSelection((inner) => quoteMarkup(inner, colorClass));
	}, [focusEditor, updateBlockValue, wrapSelection]);

	const insertHidden = useCallback((kind: HideKind) => {
		const editor = focusEditor();
		if (!editor) {
			return;
		}
		// 已选中隐藏块：换可见性档位，正文保持不变。
		const existing = editor.dom.getParent(editor.selection.getNode(), '.tinymce-hide') as HTMLElement | null;
		if (existing) {
			retargetHiddenContent(existing, kind);
			editor.nodeChanged();
			updateContent(serializeBlocks(editor.getContent()));
			return;
		}
		wrapSelection((inner) => hiddenContentMarkup(kind, inner));
	}, [focusEditor, wrapSelection]);

	const applyBlockDialog = useCallback((result: BlockDialogResult) => {
		setBlockDialog(null);
		// 弹窗抢走焦点后，插入前把光标放回正文的原选区。
		if (result.kind === 'table') {
			insertHtml(tableMarkup(result));
		} else if (result.kind === 'math') {
			insertHtml(mathMarkup(result));
		} else {
			insertHtml(footnoteMarkup(result.note));
		}
	}, [insertHtml]);

	const openMedia = useCallback((type: 'image' | 'video' | 'file') => {
		const editor = editorRef.current;
		const media = (window as any).JioSubmitMedia;
		if (!editor || !media || typeof media.open !== 'function') {
			setNotice({ tone: 'error', text: __('媒体工具尚未加载，请刷新页面后重试。', 'jio') });
			return;
		}
		rememberSelection();
		media.open({
			type,
			multiple: type === 'image' ? undefined : false,
			onSelect: (selected: any) => {
				const items = Array.isArray(selected) ? selected : [selected];
				const target = focusEditor();
				if (!target) return;
				const markup = items.map((item) => {
					const url = safeHttpUrl(item?.large_url || item?.url);
					if (!url) return '';
					const id = Number(item.attachment_id || item.id || 0);
					const idAttribute = id > 0 ? ` data-edit-file-id="${id}"` : '';
					if (type === 'image') {
						const fullUrl = safeHttpUrl(item?.url || url);
						const fullAttribute = fullUrl ? ` data-full-url="${escapeAttribute(fullUrl)}"` : '';
						return `<p><img src="${escapeAttribute(url)}"${idAttribute} alt="${escapeAttribute(String(item.name || item.title || ''))}"${fullAttribute}></p>`;
					}
					if (type === 'file') {
						const name = String(item.filename || item.name || url.split('/').pop() || '');
						return `<p><a class="jio-file-link" href="${escapeAttribute(url)}"${idAttribute}><i class="fa fas fa-paperclip" aria-hidden="true"></i> ${escapeAttribute(name)}</a></p>`;
					}
					return `<div contenteditable="false" data-video-url="${escapeAttribute(url)}" data-video-name="${escapeAttribute(String(item.filename || item.name || url))}"${idAttribute} class="new-dplayer post-dplayer dplayer"></div><p></p>`;
				}).join('');
				if (markup) {
					target.insertContent(markup);
					target.nodeChanged();
					updateContent(target.getContent());
					updateHistoryAvailability(target);
				}
			},
			onEmbed: (html: string) => {
				const target = focusEditor();
				if (target) {
					target.insertContent(`${html}<p></p>`);
					target.nodeChanged();
					updateContent(target.getContent());
					updateHistoryAvailability(target);
				}
			},
		});
	}, [focusEditor, rememberSelection]);

	return (
		<div className="jio-creator" data-status={bootstrap.status || ''} data-editor-ready={editorReady ? 'true' : 'false'}>
			<div className="jio-creator__top">
				<StudioMasthead
					centerUrl={String(bootstrap.urls?.center || '')}
					site={bootstrap.site || {}}
					viewer={bootstrap.viewer || {}}
				/>

				<header className="jio-creator__bar">
					<EditorToolbar
						ready={editorReady}
						formatValue={formatValue}
						onFormatChange={setFormatValue}
						alignValue={alignValue}
						blockValue={blockValue}
						canUndo={historyAvailability.canUndo}
						canRedo={historyAvailability.canRedo}
						capabilities={capabilities}
						onCommand={command}
						onRememberSelection={rememberSelection}
						onOpenLink={openLink}
						onOpenMedia={openMedia}
						onInsertBlock={insertBlock}
						onInsertQuote={insertQuote}
						onInsertHidden={insertHidden}
					/>
				</header>
			</div>

			{recovery && (
				<div className="jio-creator__notice" role="status">
					<span>{__('发现本地未同步的草稿。', 'jio')}</span>
					<button type="button" onClick={restore}>{__('恢复', 'jio')}</button>
					<button type="button" onClick={() => setRecovery(null)}>{__('忽略', 'jio')}</button>
				</div>
			)}

			{notice && (
				<div className={`jio-creator__notice is-${notice.tone}`} role="status">
					<span>{notice.text}</span>
					<button type="button" onClick={() => setNotice(null)} aria-label={__('关闭', 'jio')}>
						<i className="fa fas fa-times" aria-hidden="true" />
					</button>
				</div>
			)}

			{isPublishedEdit && (
				<p className="jio-creator__hint">{__('这篇改稿不会立即覆盖线上文章；审核通过后才会替换。', 'jio')}</p>
			)}

			<main className="jio-creator__canvas">
				<label className="jio-creator__title">
					<span className="screen-reader-text">{__('文章标题', 'jio')}</span>
					<textarea
						value={draft.title}
						onChange={(event) => patchDraft({ title: event.target.value })}
						rows={1}
						placeholder={sprintf(
							/* translators: %d: max title length */
							__('请输入标题（最多 %d 个字）', 'jio'),
							Number(limits.titleMax) || 100
						)}
						spellCheck={false}
						maxLength={Number(limits.titleMax) || 100}
					/>
				</label>

				<div className="jio-creator__editor" data-editor-ready={editorReady ? 'true' : 'false'}>
					<textarea id={EDITOR_ID} defaultValue={draft.content} onChange={(event) => updateContent(event.target.value)} aria-label={__('文章正文', 'jio')} />
				</div>
			</main>

			<PublishSettings
				featured={draft.featured}
				canEditCover={!!capabilities.canUploadImage}
				canSchedule={!!capabilities.canSchedule}
				scheduleEnabled={!!draft.schedule.enabled}
				scheduleAt={draft.schedule.at}
				pay={draft.pay}
				canPay={!!capabilities.canPay}
				taxonomy={{
					categories: (bootstrap.categories && bootstrap.categories.items) || [],
					tags: {
						enabled: !!bootstrap.tags?.enabled,
						suggestions: (bootstrap.tags && bootstrap.tags.suggestions) || [],
					},
					customDefs: bootstrap.customDefs || [],
				}}
				categories={draft.categories}
				tags={draft.tags}
				custom={draft.custom}
				onFeaturedChange={(featured) => patchDraft({ featured })}
				onScheduleChange={(enabled, at) => patchDraft({ schedule: { enabled, at } })}
				onPayEnabledChange={(enabled) => patchDraft({ pay: { ...draftRef.current.pay, enabled } })}
				onCategoriesChange={(categories) => patchDraft({ categories })}
				onTagsChange={(tags) => patchDraft({ tags })}
				onCustomChange={(custom) => patchDraft({ custom })}
				onOpenPaySettings={() => setDrawerOpen(true)}
			/>

			{blockDialog && (
				<BlockDialog
					kind={blockDialog}
					onSubmit={applyBlockDialog}
					onClose={() => setBlockDialog(null)}
				/>
			)}

			<StatusBar
				charCount={charCount}
				saveState={saveState}
				isPublishedEdit={isPublishedEdit}
				saving={!editorReady || saveState.state === 'saving' || saveState.state === 'submitting'}
				onSaveDraft={() => void save(false)}
				onPreview={() => void preview()}
				onPublish={() => setPublishOpen(true)}
			/>

			{drawerOpen && (
				<PublishDrawer
					draft={draft}
					setDraft={patchDraft}
					capabilities={capabilities}
					isPublishedEdit={isPublishedEdit}
					onClose={() => setDrawerOpen(false)}
					privateStorage={!!bootstrap.privateStorage}
					privateUploads={bootstrap.privateUploads || []}
				/>
			)}

			{publishOpen && (
				<PublishDialog
					canPublishNow={!!capabilities.canPublishNow}
					isPublishedEdit={isPublishedEdit}
					captcha={!!bootstrap.captcha?.enabled}
					saving={saveState.state === 'saving' || saveState.state === 'submitting'}
					canSubmit={(draft.title || '').trim().length >= Number(limits.titleMin || 1)}
					onClose={() => setPublishOpen(false)}
					onSaveDraft={() => void save(false)}
					onSubmit={(publishNow: boolean) => void submit(publishNow)}
				/>
			)}
		</div>
	);
}

function mount() {
	const target = document.getElementById('jio-creator-studio');
	if (!target) {
		return;
	}
	target.classList.add('is-ready');
	createRoot(target).render(<Studio />);
}

if (document.readyState === 'loading') {
	document.addEventListener('DOMContentLoaded', mount);
} else {
	mount();
}

export { Studio };