import { describe, it, expect, beforeAll } from "vitest";
import { execFileSync } from "node:child_process";
import { existsSync, statSync, rmSync } from "node:fs";
import { join, dirname } from "node:path";
import { fileURLToPath } from "node:url";

const __filename = fileURLToPath(import.meta.url);
const __dirname = dirname(__filename);
const repoRoot = join(__dirname, "..");

const SUPPORTED_HOST = "x86_64-pc-windows-msvc";

function detectHostTriple() {
  try {
    const output = execFileSync("rustc", ["-vV"], { encoding: "utf8" });
    const line = output.split("\n").find((l) => l.startsWith("host:"));
    return line ? line.replace("host:", "").trim() : null;
  } catch {
    return null;
  }
}

describe("setup-sidecar", () => {
  const hostTriple = detectHostTriple();

  beforeAll(() => {
    if (!hostTriple) {
      console.warn("rustc não disponível; pulando teste de sidecar");
    }
  });

  it("baixa o binário oficial e o coloca em src-tauri/binaries com o target triple", async () => {
    if (!hostTriple) return;
    if (hostTriple !== SUPPORTED_HOST) {
      console.log(`host triple ${hostTriple} fora da matriz de testes; pulando`);
      return;
    }

    const binaryPath = join(repoRoot, "src-tauri", "binaries", `sherpa-onnx-offline-${hostTriple}.exe`);

    if (existsSync(binaryPath)) {
      rmSync(binaryPath, { force: true });
    }

    execFileSync("node", [join(repoRoot, "scripts", "setup-sidecar.mjs")], {
      stdio: "pipe",
      env: { ...process.env, SHERPA_ONNX_VERSION: "v1.12.23" },
    });

    expect(existsSync(binaryPath)).toBe(true);
    expect(statSync(binaryPath).size).toBeGreaterThan(1024 * 1024);
  }, 180_000);
});