#!/usr/bin/env node
// Compiles client-side TypeScript files with esbuild and writes the result
// as TypeScript string-constant modules importable by the Cloudflare Worker.

import { build } from 'esbuild';
import { writeFileSync, mkdirSync } from 'fs';
import { fileURLToPath } from 'url';
import { dirname, join } from 'path';

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

const entries = [
  {
    input: 'src/scripts/client/dashboard.ts',
    exportName: 'dashboardScript',
    output: 'src/scripts/generated/dashboard.ts',
  },
  {
    input: 'src/scripts/client/emails-page.ts',
    exportName: 'emailsPageScript',
    output: 'src/scripts/generated/emails-page.ts',
  },
];

mkdirSync(join(root, 'src/scripts/generated'), { recursive: true });

for (const { input, exportName, output } of entries) {
  const result = await build({
    entryPoints: [join(root, input)],
    bundle: true,
    minify: true,
    write: false,
    target: 'es2020',
    platform: 'browser',
    format: 'iife',
  });

  const code = new TextDecoder().decode(result.outputFiles[0].contents);
  const content = [
    '// AUTO-GENERATED by scripts/build-client.mjs — do not edit directly.',
    '// Source: ' + input,
    '// Run `npm run build:client` to regenerate.',
    '/* eslint-disable */',
    'export const ' + exportName + ' = ' + JSON.stringify(code) + ';',
    '',
  ].join('\n');

  writeFileSync(join(root, output), content);
  console.log('Built:', output);
}