import { mkdtempSync, readFileSync, rmSync, writeFileSync } from "node:fs";
import { tmpdir } from "node:os";
import { join } from "node:path";
import { spawnSync } from "node:child_process";
import { fileURLToPath } from "node:url";
import { resolvePrimeRoot } from "./prime-root.mjs";

const projectRoot = fileURLToPath(new URL("..", import.meta.url));
const primeRoot = resolvePrimeRoot();
const config = JSON.parse(readFileSync(join(projectRoot, "tsconfig.json"), "utf8"));
config.compilerOptions.baseUrl = projectRoot;
config.compilerOptions.typeRoots = [join(projectRoot, "node_modules/@types")];
config.compilerOptions.paths = {
  "@earendil-works/pi-coding-agent": [join(primeRoot, "dist/index.d.ts")],
  "@earendil-works/pi-agent-core": [
    join(primeRoot, "node_modules/@earendil-works/pi-agent-core/dist/index.d.ts"),
  ],
  "@earendil-works/pi-ai": [
    join(primeRoot, "node_modules/@earendil-works/pi-ai/dist/index.d.ts"),
  ],
};
config.include = [join(projectRoot, "index.ts"), join(projectRoot, "worker.ts")];

const temporaryDirectory = mkdtempSync(join(tmpdir(), "prime-snapcompact-tsconfig-"));
const configPath = join(temporaryDirectory, "tsconfig.json");
writeFileSync(configPath, JSON.stringify(config));
try {
  const result = spawnSync(
    process.execPath,
    [join(projectRoot, "node_modules/typescript/bin/tsc"), "--project", configPath],
    { stdio: "inherit" },
  );
  if (result.error) throw result.error;
  process.exitCode = result.status ?? 1;
} finally {
  rmSync(temporaryDirectory, { recursive: true, force: true });
}