// MNote 本地上传运行时外置模块。
// 当前先承接 SIDEBAR_TREE_JS 中的纯辅助函数。
// SIDEBAR_TREE_JS 会优先委托到 window.__mnoteLocalUploadRuntime；
// 模块未加载时，inline fallback 保持旧行为。

function uploadedAssetTitle(asset) {
  return String(asset && (asset.file_name || asset.title || asset.name) || '未命名附件').trim() || '未命名附件';
}

function uploadedAssetUrl(asset) {
  return String(asset && (asset.sourcePath || asset.file_url || asset.signedUrl || asset.signed_url || asset.thumbnail_url) || '').trim();
}

function currentRootUri() {
  var params = new URLSearchParams(window.location.search);
  var fromUrl = (params.get('rootUri') || '').trim();
  if (fromUrl) return fromUrl;
  return document.body instanceof HTMLElement
    ? (document.body.getAttribute('data-mnote-root-uri') || '').trim()
    : '';
}

function localAssetOpenUrl(asset, download, context) {
  if (!isLocalUploadedAsset(asset)) return '';
  var rootUri = String(context && context.rootUri || asset && (asset.rootUri || asset.root_uri) || '').trim() || currentRootUri();
  var rootRelativePath = String(asset && (asset.rootRelativePath || asset.root_relative_path) || '').trim();
  if (!rootUri || !rootRelativePath) return '';
  var url = new URL('/api/local-folder/files/open', window.location.origin);
  url.searchParams.set('rootUri', rootUri);
  url.searchParams.set('path', rootRelativePath);
  if (download) url.searchParams.set('download', 'true');
  return url.toString();
}

function uploadedAssetType(asset) {
  return String(asset && (asset.asset_type || asset.assetType || asset.mime_type || '') || '').trim();
}

function fileTreeIconKindForFileName(fileName) {
  var name = String(fileName || '').trim().toLowerCase();
  var ext = name.indexOf('.') >= 0 ? name.split('.').pop() : '';
  if (['doc', 'docx', 'odt', 'rtf', 'ppt', 'pptx', 'odp', 'xls', 'xlsx', 'ods', 'csv'].indexOf(ext) >= 0) return 'office';
  if (ext === 'md' || ext === 'markdown') return 'markdown';
  if (ext === 'pdf') return 'pdf';
  if (['png', 'jpg', 'jpeg', 'gif', 'webp', 'svg', 'bmp'].indexOf(ext) >= 0) return 'image';
  return '';
}

function isLocalUploadedAsset(asset) {
  var id = String(asset && asset.id || '').trim();
  return String(asset && asset.sourceKind || '').trim() === 'local_folder' || id.indexOf('local:asset:') === 0;
}

function uploadedAssetExtension(asset) {
  var match = uploadedAssetTitle(asset).toLowerCase().match(/\.([a-z0-9]+)$/);
  return match ? match[1] : '';
}

function isNonOfficeAttachmentName(name, ext) {
  var codeFileNames = [
    '.dockerignore', '.editorconfig', '.env', '.eslintrc', '.gitattributes', '.gitignore', '.npmrc', '.prettierrc',
    'dockerfile', 'makefile', 'cmakelists.txt', 'gemfile', 'rakefile', 'procfile'
  ];
  return [
    'pdf', 'toml', 'json', 'yaml', 'yml', 'md', 'markdown', 'txt', 'ini', 'env', 'xml', 'html', 'htm', 'css', 'scss',
    'less', 'js', 'jsx', 'ts', 'tsx', 'mjs', 'cjs', 'py', 'rs', 'go', 'java', 'c', 'cpp', 'h', 'hpp', 'cs',
    'php', 'rb', 'sh', 'bash', 'zsh', 'sql', 'lock', 'log', 'vue', 'svelte', 'astro', 'jsonc', 'json5',
    'mts', 'cts', 'lua', 'dart', 'kt', 'kts', 'swift', 'scala', 'gradle', 'groovy', 'clj',
    'ex', 'exs', 'erl', 'hrl', 'fs', 'fsx', 'r', 'jl', 'm', 'mm', 'pl', 'pm', 'ps1', 'bat', 'cmd',
    'psm1', 'psd1', 'dockerfile', 'containerfile', 'proto', 'graphql', 'gql', 'prisma', 'tf', 'tfvars',
    'hcl', 'nix', 'cmake', 'bazel', 'bzl', 'properties', 'conf', 'cfg', 'config', 'service', 'desktop',
    'gitignore', 'gitattributes', 'editorconfig', 'npmrc', 'prettierrc', 'eslintrc'
  ].indexOf(ext) >= 0 || codeFileNames.indexOf(name) >= 0;
}

function attachmentExtensionFromFileName(fileName) {
  var name = String(fileName || '').trim().toLowerCase();
  return name.indexOf('.') >= 0 ? name.split('.').pop() : '';
}

function isPdfAttachmentFileName(fileName) {
  return attachmentExtensionFromFileName(fileName) === 'pdf';
}

function isCodeAttachmentFileName(fileName) {
  var name = String(fileName || '').trim().toLowerCase();
  var ext = attachmentExtensionFromFileName(name);
  return ext !== 'pdf' && isNonOfficeAttachmentName(name, ext);
}

function inferCodeAttachmentLanguage(fileName) {
  var name = String(fileName || '').trim().toLowerCase();
  var ext = attachmentExtensionFromFileName(name);
  var byName = {
    'dockerfile': 'dockerfile',
    'makefile': 'makefile',
    'cmakelists.txt': 'cmake',
    '.gitignore': 'gitignore',
    '.gitattributes': 'gitattributes',
    '.editorconfig': 'ini',
    '.env': 'dotenv'
  };
  if (byName[name]) return byName[name];
  var byExt = {
    bash: 'bash', bat: 'batch', c: 'c', cjs: 'javascript', cmd: 'batch', conf: 'text', cpp: 'cpp',
    cs: 'csharp', css: 'css', cts: 'typescript', dart: 'dart', dockerfile: 'dockerfile', env: 'dotenv',
    go: 'go', gql: 'graphql', gradle: 'groovy', graphql: 'graphql', h: 'c', hcl: 'hcl', hpp: 'cpp',
    htm: 'html', html: 'html', ini: 'ini', java: 'java', js: 'javascript', json: 'json', json5: 'json',
    jsonc: 'jsonc', jsx: 'javascript', kt: 'kotlin', kts: 'kotlin', less: 'less', log: 'text',
    lua: 'lua', m: 'objective-c', markdown: 'markdown', md: 'markdown', mjs: 'javascript',
    mts: 'typescript', nix: 'nix', php: 'php', pl: 'perl', pm: 'perl', prisma: 'prisma',
    proto: 'protobuf', ps1: 'powershell', py: 'python', r: 'r', rb: 'ruby', rs: 'rust',
    scss: 'scss', sh: 'bash', sql: 'sql', svelte: 'svelte', swift: 'swift', tf: 'terraform',
    tfvars: 'terraform', toml: 'toml', ts: 'typescript', tsx: 'typescript', txt: 'text',
    vue: 'vue', xml: 'xml', yaml: 'yaml', yml: 'yaml', zsh: 'bash'
  };
  return byExt[ext] || 'text';
}

function attachmentClassForFileName(fileName) {
  var name = String(fileName || '').trim().toLowerCase();
  var ext = name.indexOf('.') >= 0 ? name.split('.').pop() : '';
  if (['doc', 'docx', 'odt', 'rtf'].indexOf(ext) >= 0) return 'mnote-uploaded-attachment-row mnote-uploaded-attachment-word';
  if (['ppt', 'pptx', 'odp'].indexOf(ext) >= 0) return 'mnote-uploaded-attachment-row mnote-uploaded-attachment-ppt';
  if (['xls', 'xlsx', 'ods', 'csv'].indexOf(ext) >= 0) return 'mnote-uploaded-attachment-row mnote-uploaded-attachment-sheet';
  if (ext === 'pdf') return 'mnote-uploaded-attachment-row mnote-uploaded-attachment-pdf';
  if (isNonOfficeAttachmentName(name, ext)) {
    return 'mnote-uploaded-attachment-row mnote-uploaded-attachment-code';
  }
  return 'mnote-uploaded-attachment-row mnote-uploaded-attachment-file';
}

function uploadedAttachmentClass(asset) {
  return attachmentClassForFileName(uploadedAssetTitle(asset));
}

function uploadedFileSize(asset) {
  var size = Number(asset && (asset.file_size || asset.fileSize) || 0);
  if (!Number.isFinite(size) || size <= 0) return '';
  if (size >= 1024 * 1024) return (size / 1024 / 1024).toFixed(size >= 10 * 1024 * 1024 ? 1 : 2) + ' MB';
  if (size >= 1024) return (size / 1024).toFixed(size >= 100 * 1024 ? 0 : 2) + ' KB';
  return String(Math.round(size)) + ' B';
}

window.__mnoteLocalUploadRuntime = {
  uploadedAssetTitle: uploadedAssetTitle,
  uploadedAssetUrl: uploadedAssetUrl,
  localAssetOpenUrl: localAssetOpenUrl,
  uploadedAssetType: uploadedAssetType,
  fileTreeIconKindForFileName: fileTreeIconKindForFileName,
  isLocalUploadedAsset: isLocalUploadedAsset,
  uploadedAssetExtension: uploadedAssetExtension,
  isNonOfficeAttachmentName: isNonOfficeAttachmentName,
  attachmentExtensionFromFileName: attachmentExtensionFromFileName,
  isPdfAttachmentFileName: isPdfAttachmentFileName,
  isCodeAttachmentFileName: isCodeAttachmentFileName,
  inferCodeAttachmentLanguage: inferCodeAttachmentLanguage,
  attachmentClassForFileName: attachmentClassForFileName,
  uploadedAttachmentClass: uploadedAttachmentClass,
  uploadedFileSize: uploadedFileSize
};