import { execFileSync } from "node:child_process";
import { mkdtempSync, rmSync, statSync } from "node:fs";
import { tmpdir } from "node:os";
import path from "node:path";
import { describe, expect, it } from "vitest";
import { COMPUTER_IMAGE, hostComputerUser } from "./computer-spec.js";

function dockerAvailable(): boolean {
  try {
    execFileSync("docker", ["info"], { stdio: "ignore" });
    return true;
  } catch {
    return false;
  }
}

describe("project workspace bind ownership", () => {
  it("writes project files with the host uid/gid", () => {
    if (process.env.RAKAZO_PROJECT_WORKSPACE_OWNERSHIP_TEST !== "1" || !dockerAvailable()) {
      return;
    }
    const hostDir = mkdtempSync(path.join(tmpdir(), "rakazo-project-own-"));
    const marker = "ownership-marker.txt";
    const user = hostComputerUser(process.getuid?.(), process.getgid?.());
    try {
      execFileSync(
        "docker",
        [
          "run",
          "--rm",
          "-u",
          user,
          "-v",
          `${hostDir}:/home/rakazo/project`,
          process.env.RAKAZO_COMPUTER_IMAGE ?? COMPUTER_IMAGE,
          "bash",
          "-lc",
          `echo ok > /home/rakazo/project/${marker}`,
        ],
        { stdio: "inherit" },
      );
      const stat = statSync(path.join(hostDir, marker));
      expect(stat.uid).toBe(process.getuid?.());
      expect(stat.gid).toBe(process.getgid?.());
    } finally {
      rmSync(hostDir, { recursive: true, force: true });
    }
  });
});