const esbuild = require("esbuild");
const fs = require("fs");
const path = require("path");

const production = process.argv.includes('--production');
const watch = process.argv.includes('--watch');

async function copyDirectory(src, dest) {
  await fs.promises.mkdir(dest, { recursive: true });
  const entries = await fs.promises.readdir(src, { withFileTypes: true });

  for (const entry of entries) {
    const srcPath = path.join(src, entry.name);
    const destPath = path.join(dest, entry.name);

    if (entry.isDirectory()) {
      await copyDirectory(srcPath, destPath);
    } else {
      await fs.promises.copyFile(srcPath, destPath);
    }
  }
}

async function main() {
  // Copy lua-addons to dist directory
  const luaAddonsSource = path.join(__dirname, '../../dutchies-dcs-scripting-tools/lua-addons');
  const luaAddonsDest = path.join(__dirname, 'dist/lua-addons');
  
  if (fs.existsSync(luaAddonsSource)) {
    await copyDirectory(luaAddonsSource, luaAddonsDest);
    console.log('Lua addons copied to dist/');
  }

  const ctx = await esbuild.context({
    entryPoints: [
      'src/index.ts'
    ],
    bundle: true,
    format: 'cjs',
    minify: production,
    sourcemap: !production,
    sourcesContent: false,
    platform: 'node',
    outfile: 'dist/index.js',
    external: ['@actions/core'],
    logLevel: 'silent',
  });
  if (watch) {
    await ctx.watch();
  } else {
    await ctx.rebuild();
    await ctx.dispose();
  }
}

main().catch(e => {
  console.error(e);
  process.exit(1);
});