#!/usr/bin/env bun
/**
 * Dev entrypoint — launches cli.tsx with MACRO.* defines injected
 * via Bun's -d flag (bunfig.toml [define] doesn't propagate to
 * dynamically imported modules at runtime).
 */
import { join, dirname } from "node:path";
import { fileURLToPath } from "node:url";
import { getMacroDefines, DEFAULT_BUILD_FEATURES } from "./defines.ts";

// Resolve project root from this script's location
const __filename = fileURLToPath(import.meta.url);
const __dirname = dirname(__filename);
const projectRoot = join(__dirname, "..");
const cliPath = join(projectRoot, "src/entrypoints/cli.tsx");

const defines = getMacroDefines();

const defineArgs = Object.entries(defines).flatMap(([k, v]) => [
    "-d",
    `${k}:${v}`,
]);

// Bun --feature flags: enable feature() gates at runtime.
// Uses the shared DEFAULT_BUILD_FEATURES list from defines.ts.

// Any env var matching FEATURE_<NAME>=1 will also enable that feature.
// e.g. FEATURE_PROACTIVE=1 bun run dev
const envFeatures = Object.entries(process.env)
    .filter(([k]) => k.startsWith("FEATURE_"))
    .map(([k]) => k.replace("FEATURE_", ""));

const allFeatures = [...new Set([...DEFAULT_BUILD_FEATURES, ...envFeatures])];
const featureArgs = allFeatures.flatMap((name) => ["--feature", name]);

// Dev mode should stay interactive for real terminal launches. Nested Bun
// launches on Windows can lose TTY metadata, but we should not force
// interactive mode when stdin is piped because that breaks headless usage like
// `"hello" | bun run dev`.
if (process.stdin.isTTY) {
    process.env.CLAUDE_CODE_FORCE_INTERACTIVE ??= "1";
}

// If BUN_INSPECT is set, pass --inspect-wait to the child process
const inspectArgs = process.env.BUN_INSPECT
    ? ["--inspect-wait=" + process.env.BUN_INSPECT]
    : [];

// Use process.execPath to get the absolute path of the currently running Bun
// executable. This works regardless of how Bun was installed (native installer,
// npm, etc.) and on all platforms.
const bunCmd = process.execPath;

const result = Bun.spawnSync(
    [bunCmd, ...inspectArgs, "run", ...defineArgs, ...featureArgs, cliPath, ...process.argv.slice(2)],
    {
        stdio: ["inherit", "inherit", "inherit"],
        cwd: projectRoot,
        env: process.env,
    },
);

process.exit(result.exitCode ?? 0);