import { spawnSync } from "node:child_process";
import { mkdtempSync, writeFileSync } from "node:fs";
import { tmpdir } from "node:os";
import { join } from "node:path";
import { describe, expect, test } from "vitest";
import { compile } from "@scriptc/compiler";

describe.skipIf(process.platform !== "darwin").each(["llvm"] as const)("FFI framework links, %s", backend => {
  test("links a framework symbol without an extra object or library input", async () => {
    const outDir = mkdtempSync(join(tmpdir(), "scriptc-ffi-framework-"));
    const entry = join(outDir, "app.ts");
    const profile = join(outDir, "ffi.json");
    writeFileSync(entry, "declare function nativeTime(): number; console.log(nativeTime() > 0);\n");
    writeFileSync(profile, JSON.stringify({ ffi_format: 7, frameworks: ["CoreFoundation"], functions: [
      { name: "nativeTime", symbol: "CFAbsoluteTimeGetCurrent", params: [], returns: "f64" },
    ] }));
    const result = await compile(entry, { backend, dynamic: false, sanitize: process.env["SCRIPTC_SAN"] === "1", outDir, outPath: join(outDir, "program"), ffiProfilePath: profile });
    if (!result.ok) throw new Error(result.diagnostics.map(d => `${d.code}: ${d.message}`).join("\n"));
    const native = spawnSync(result.binaryPath, [], { encoding: "utf8", timeout: 10_000 });
    expect(native.error).toBeUndefined();
    expect(native.stderr).toBe("");
    expect(native.status).toBe(0);
    expect(native.stdout).toBe("true\n");
  });
});