import * as esbuild from "esbuild";
import { rm } from "node:fs/promises";

const watch = process.argv.includes("--watch");

// Remove previous outputs first. esbuild only overwrites the files its current
// entry points produce, so without this a packaged VSIX can ship stale
// artifacts from an older layout (e.g. the pre-`outbase` dist/mcpServer.js
// next to the current dist/agent/mcpServer.js).
await rm("dist", { recursive: true, force: true });

const ctx = await esbuild.context({
  entryPoints: [
    "./src/extension.ts",
    "./src/agent/mcpServer.ts",
    "./src/agent/cli.ts",
  ],
  bundle: true,
  outdir: "dist",
  outbase: "src",
  external: ["vscode"],
  format: "cjs",
  platform: "node",
  target: "es2022",
  sourcemap: true,
  logLevel: "info",
});

if (watch) {
  await ctx.watch();
  console.log("Watching for changes...");
} else {
  await ctx.rebuild();
  await ctx.dispose();
}