/**
 * 扫描前端并输出 pageButtonCatalog 分组数据
 */
import fs from 'fs';
import path from 'path';
import { fileURLToPath } from 'url';

const __dirname = path.dirname(fileURLToPath(import.meta.url));
const root = path.resolve(__dirname, '..');
const srcDir = path.join(root, 'src');

const ACTION_LABELS = {
  Query: '查询',
  Create: '新增',
  Update: '修改',
  Delete: '删除',
  Move: '移动',
  AssignRoles: '分配角色',
  AssignPermissions: '分配权限',
  ResetPassword: '重置密码',
  Template: '模板管理',
  Audit: '审计',
  Use: '使用',
  Save: '保存',
  Export: '导出',
  Import: '导入',
  Publish: '发布',
  Pay: '支付',
  Print: '打印',
  Intercept: '拦截',
  CancelIntercept: '取消拦截',
  PreDeclare: '预报',
  DeleteOrder: '删除订单',
  View: '查看',
  Edit: '编辑',
  Approve: '审核',
  Reject: '驳回',
  Enable: '启用',
  Disable: '禁用',
  Copy: '复制',
  Download: '下载',
  Upload: '上传',
  Sync: '同步',
  Retry: '重试',
  Cancel: '取消',
  Submit: '提交',
  BatchDelete: '批量删除',
  BatchImport: '批量导入',
  BatchExport: '批量导出',
  Forward: '转发',
  Debug: '调试',
  Test: '测试',
  Control: '控制',
  Analyze: '分析',
  Generate: '生成',
  Recharge: '充值',
  Bind: '绑定',
  Unbind: '解绑',
  Reset: '重置',
  Config: '配置',
  SaveConfig: '保存配置',
};

function walk(dir, ext, out = []) {
  if (!fs.existsSync(dir)) return out;
  for (const name of fs.readdirSync(dir)) {
    const full = path.join(dir, name);
    const stat = fs.statSync(full);
    if (stat.isDirectory()) {
      if (name === 'node_modules') continue;
      walk(full, ext, out);
    } else if (full.endsWith(ext)) {
      out.push(full);
    }
  }
  return out;
}

function inferName(code) {
  const action = code.split('.').pop();
  return ACTION_LABELS[action] || action;
}

function normalizeResource(code) {
  const parts = code.split('.');
  if (parts.length <= 2) return code;
  const action = parts[parts.length - 1];
  if (ACTION_LABELS[action] || /^[A-Z][a-zA-Z0-9]+$/.test(action)) {
    return parts.slice(0, -1).join('.');
  }
  return code;
}

function parseMenuExcelJs() {
  const text = fs.readFileSync(path.join(root, 'generate-menu-excel.js'), 'utf8');
  const re = /permissionCode:\s*'([^']+)'/g;
  const codes = [];
  let m;
  while ((m = re.exec(text))) codes.push(m[1]);
  return codes;
}

const permissionCodes = new Set();
const vueFiles = walk(path.join(srcDir, 'views'), '.vue');
const routeFiles = walk(path.join(srcDir, 'router'), '.ts');

for (const file of [...vueFiles, ...routeFiles]) {
  const text = fs.readFileSync(file, 'utf8');
  const patterns = [
    /hasPermission\(\s*['"]([^'"]+)['"]/g,
    /permission:\s*['"]([^'"]+)['"]/g,
    /meta:\s*\{[^}]*permission:\s*['"]([^'"]+)['"]/g,
    /['"]([A-Z][a-zA-Z0-9]*(?:\.[A-Z][a-zA-Z0-9]*)+)['"]/g,
  ];
  for (const re of patterns) {
    let m;
    while ((m = re.exec(text))) {
      const code = m[1];
      if (code.includes('.') && !code.startsWith('http') && code.length < 80) {
        permissionCodes.add(code);
      }
    }
  }
}

parseMenuExcelJs().forEach((c) => permissionCodes.add(c));

// 标准 CRUD 模板（资源级页面菜单）
const STANDARD_ACTIONS = ['Query', 'Create', 'Update', 'Delete', 'Export', 'Import'];

const pageMenus = [...permissionCodes]
  .filter((code) => {
    const parts = code.split('.');
    if (parts.length < 2) return false;
    const last = parts[parts.length - 1];
    // 页面级：2段资源 或 末段非标准动作
    if (parts.length === 2) return true;
    if (!ACTION_LABELS[last] && !STANDARD_ACTIONS.includes(last)) return true;
    return false;
  })
  .sort();

const grouped = new Map();

function addButton(parent, code, name) {
  if (!parent || !code || code === parent) return;
  if (!grouped.has(parent)) grouped.set(parent, new Map());
  grouped.get(parent).set(code, { permissionCode: code, name: name || inferName(code) });
}

// 1) 已有权限码按资源分组
for (const code of [...permissionCodes].sort()) {
  const resource = normalizeResource(code);
  if (resource === code && code.split('.').length >= 2) {
    // 可能是页面菜单本身，暂不作为按钮
    continue;
  }
  addButton(resource, code, inferName(code));
}

// 2) 为每个页面菜单补标准 CRUD（若尚无）
for (const menuCode of pageMenus) {
  const resource = normalizeResource(menuCode);
  const base = resource.split('.');
  if (base.length < 2) continue;
  const prefix = resource;
  STANDARD_ACTIONS.forEach((action, idx) => {
    const code = `${prefix}.${action}`;
    if (!permissionCodes.has(code)) {
      // 仅对 RBAC/Api/Track 等模块补全，业务模块用 PascalCase 页面名
    }
    addButton(prefix, code, inferName(code));
  });
}

// 3) generate-menu-excel 中带动作后缀的三级码
for (const code of parseMenuExcelJs()) {
  const parts = code.split('.');
  if (parts.length >= 3) {
    const parent = parts.slice(0, -1).join('.');
    addButton(parent, code, inferName(code));
    addButton(normalizeResource(parent), code, inferName(code));
  }
}

// 输出 JSON
const result = [...grouped.entries()]
  .sort((a, b) => a[0].localeCompare(b[0]))
  .map(([parentPermissionCode, btnMap], gi) => ({
    parentPermissionCode,
    buttons: [...btnMap.values()]
      .sort((a, b) => a.permissionCode.localeCompare(b.permissionCode))
      .map((b, i) => ({ ...b, order: i })),
  }))
  .filter((g) => g.buttons.length > 0);

console.log(JSON.stringify(result, null, 2));