import type { DefineConfig } from '../typing';

import { existsSync } from 'node:fs';
import { join } from 'node:path';

import { defineApplicationConfig } from './application';
import { defineLibraryConfig } from './library';

export * from './application';
export * from './library';

function defineConfig(options: DefineConfig = {}) {
  const { type = 'auto', ...defineOptions } = options;

  let projectType = type;

  // 根据包是否存在 index.html,自动判断类型
  if (type === 'auto') {
    const htmlPath = join(process.cwd(), 'index.html');
    projectType = existsSync(htmlPath) ? 'application' : 'library';
  }

  switch (projectType) {
    case 'application': {
      return defineApplicationConfig(defineOptions);
    }
    case 'library': {
      return defineLibraryConfig(defineOptions);
    }
    default: {
      throw new Error(`Unsupported project type: ${projectType}`);
    }
  }
}

export { defineConfig };