import assert from "node:assert/strict";
import { spawnSync } from "node:child_process";
import fs from "node:fs";
import os from "node:os";
import path from "node:path";
import test from "node:test";

function runCli(args: string[], root = fs.mkdtempSync(path.join(os.tmpdir(), "gori-cli-"))) {
  return spawnSync(process.execPath, ["--import", "tsx", path.resolve("src/cli.ts"), ...args], {
    cwd: path.resolve("."),
    encoding: "utf8",
    env: { ...process.env, GORI_AGENT_ROOT: root, GORI_GATEWAY_CONFIG: "" }
  });
}

test("CLI help exposes only direct instance commands", () => {
  const result = runCli(["--help"]);
  assert.equal(result.status, 0);
  for (const command of ["init", "setup", "start", "stop", "restart", "status", "logs", "doctor"]) {
    assert.match(result.stdout, new RegExp(`gori-agent ${command} <bot-id>`));
  }
  assert.match(result.stdout, /gori-agent list/);
  assert.doesNotMatch(result.stdout, /gori-agent instance|--config|--json|discover-backends|print feishu/);
});

test("CLI dispatches direct commands and rejects removed entry points", () => {
  assert.equal(runCli(["list"]).status, 0);

  for (const command of ["setup", "start", "stop", "restart", "status", "logs", "doctor"]) {
    const result = runCli([command, "missing-bot"]);
    assert.equal(result.status, 1);
    assert.match(result.stderr, /Runtime config does not exist/);
  }
  const init = runCli(["init", "INVALID"]);
  assert.equal(init.status, 1);
  assert.match(init.stderr, /Invalid bot ID/);

  for (const removed of [["instance", "list"], ["discover-backends"], ["discover-agents"], ["print", "feishu"]]) {
    const result = runCli(removed);
    assert.equal(result.status, 1);
    assert.match(result.stderr, /Unknown command/);
  }
});

test("CLI rejects options and invalid command argument counts", () => {
  for (const args of [["status", "bot", "--config", "config.json"], ["list", "--json"], ["start", "--bogus"]]) {
    const result = runCli(args);
    assert.equal(result.status, 1);
    assert.match(result.stderr, /Unknown option/);
  }

  const missing = runCli(["setup"]);
  assert.equal(missing.status, 1);
  assert.match(missing.stderr, /setup requires exactly one <bot-id>/);

  const extra = runCli(["doctor", "one", "two"]);
  assert.equal(extra.status, 1);
  assert.match(extra.stderr, /doctor requires exactly one <bot-id>/);
});