// Builds the installable plugin (plugin-architecture.md §Package format):
// bundles src/plugin.ts (SDK + i18n inlined — the sandbox CSP forbids runtime
// fetches) into plugin.js as a single ES module, then packs the ZIP for the
// admin upload / dropzone watcher.
import { mkdirSync, readFileSync, readdirSync, writeFileSync } from 'node:fs';
import { dirname, join } from 'node:path';
import { fileURLToPath } from 'node:url';

import { build } from 'esbuild';
import { zipSync } from 'fflate';

import { thirdPartyNotices } from '../third-party-licenses.mjs';

const root = dirname(fileURLToPath(import.meta.url));
const manifest = JSON.parse(readFileSync(join(root, 'manifest.json'), 'utf8'));

mkdirSync(join(root, 'dist'), { recursive: true });
const buildResult = await build({
  entryPoints: [join(root, 'src/plugin.ts')],
  bundle: true,
  format: 'esm',
  outfile: join(root, 'dist/plugin.js'),
  minify: true,
  metafile: true,
});

const files = {
  'manifest.json': readFileSync(join(root, 'manifest.json')),
  'plugin.js': readFileSync(join(root, 'dist/plugin.js')),
  // mermaid and its transitive dependencies are bundled into plugin.js; their
  // license texts ship with the package they belong to (issue #345).
  'licenses/THIRD-PARTY-NOTICES.txt': Buffer.from(thirdPartyNotices(buildResult.metafile)),
};
for (const name of readdirSync(join(root, 'i18n'))) {
  files[`i18n/${name}`] = readFileSync(join(root, 'i18n', name));
}

const target = join(root, 'dist', `${manifest.id}-${manifest.version}.zip`);
writeFileSync(target, zipSync(files));
console.log(`wrote ${target}`);