import { copyFileSync, mkdirSync } from 'node:fs';
import path from 'node:path';

import type { ApplicationBuilderOptions } from '@angular/build';
import type { Target } from '@angular-devkit/architect';
import type { Plugin } from 'esbuild';
import { globSync } from 'tinyglobby';

const swaggerUiDir = path.resolve(__dirname, '../<%- this.relativeDir(clientRootDir, clientSrcDir) %>swagger-ui');

const copyFromPackage = (sourceDir: string, glob: string): void => {
  for (const file of globSync(glob, { cwd: sourceDir })) {
    copyFileSync(path.join(sourceDir, file), path.join(swaggerUiDir, path.basename(file)));
  }
};

export default (builderOptions: ApplicationBuilderOptions, _target: Target): Plugin => {
  mkdirSync(swaggerUiDir, { recursive: true });
  copyFromPackage(path.join(path.dirname(require.resolve('axios/package.json')), 'dist'), 'axios.min.js');
  copyFromPackage(require('swagger-ui-dist').getAbsoluteFSPath(), '{*.{png,css},swagger-ui-{bundle,standalone-preset}.js}');

  builderOptions.define ??= {};
  builderOptions.define.__VERSION__ = JSON.stringify(process.env.APP_VERSION ?? 'unknown');

  return {
    name: 'define:vars',
    setup(_build) {},
  };
};