import * as esbuild from 'esbuild';
import { resolve } from 'path';
import { fileURLToPath } from 'url';
import { dirname } from 'path';

const __filename = fileURLToPath(import.meta.url);
const __dirname = dirname(__filename);

try {
    await esbuild.build({
        entryPoints: [resolve(__dirname, 'src/index.js')],
        bundle: true,
        platform: 'node',
        target: 'node16', // Capacitor NodeJS plugin likely uses a somewhat recent Node version
        outfile: resolve(__dirname, '../dist/nodejs-v3/index.js'),
        external: [
            // Mark native modules as external if necessary. 
            // fluent-ffmpeg spawns a process, so it's fine as long as the binary is there (or it fails gracefully). 
            // It doesn't need to be bundled, but the package wrapper code should be bundled.
            // We explicitly bundle everything by default.
            // If we encounter specific issues with native addons, we add them here.
            'fsevents', // macOS only
            'electron', // Not available in this environment
        ],
        loader: {
            '.node': 'file', // Handle .node files if any
        },
        // Minimization isn't strictly necessary but reduces file size to copy
        minify: false,
        sourcemap: 'inline',
        format: 'cjs', // The plugin might expect CommonJS or ESM. It loads 'index.js'. 
        // Given the previous 'nodejs-entry.js' effectively did `import(...)`, ESM is supported.
        // However, for a single bundle, CJS is often safer/simpler if top-level await isn't used.
        // Let's stick to ESM if possible, or CJS if not.
        // The original project was type: module. Let's use ESM.
        format: 'esm',
        banner: {
            js: `
        import { createRequire } from 'module';
        const require = createRequire(import.meta.url);
        const __filename = fileURLToPath(import.meta.url);
        const __dirname = dirname(__filename);
      `,
        },
    });
    console.log('⚡ Bundle build complete: ../dist/nodejs-v3/index.js');
} catch (e) {
    console.error('Build failed:', e);
    process.exit(1);
}