import { Project, SyntaxKind } from 'ts-morph';
import path from 'node:path';
import type { Database as DBType } from 'better-sqlite3';

interface ScanStats {
  modules: number;
  symbols: number;
}

export function scanTypeScript(db: DBType, root: string): ScanStats {
  const project = new Project({
    tsConfigFilePath: undefined,
    skipAddingFilesFromTsConfig: true,
    compilerOptions: {
      allowJs: true,
      declaration: false,
      resolveJsonModule: true,
    },
  });

  const patterns = ['services/*/src/**/*.ts', 'apps/*/src/**/*.ts', 'packages/*/src/**/*.ts'];
  let modules = 0;
  let symbols = 0;

  const insertModule = db.prepare(
    'INSERT OR IGNORE INTO modules (name, path, language, service, type) VALUES (?, ?, ?, ?, ?)'
  );
  const insertSymbol = db.prepare(
    'INSERT INTO symbols (module_id, name, kind, language, file_path, line_start, line_end, is_exported) VALUES (?, ?, ?, ?, ?, ?, ?, ?)'
  );

  // 简化实现：扫描 services/*/src 目录作为模块
  const servicesDir = path.join(root, 'services');
  // 实际实现用 fast-glob 模式匹配
  // 此处为骨架，P1 后期补全

  return { modules, symbols };
}