import assert from "node:assert/strict";
import { existsSync, mkdtempSync, rmSync, writeFileSync } from "node:fs";
import { tmpdir } from "node:os";
import { join, resolve } from "node:path";
import { spawnSync } from "node:child_process";
import test from "node:test";

const CLI = resolve("src/cli/commands.ts");

test("CLI exposes YAML build with an explicit output path", () => {
  const dir = mkdtempSync(join(tmpdir(), "drawio-cli-build-test-"));
  const input = join(dir, "spec.yaml");
  const output = join(dir, "diagram.drawio");
  try {
    writeFileSync(input, "version: 1\nnodes:\n  - { id: one, label: One }\n", "utf8");
    const result = spawnSync(process.execPath, ["--import", "tsx", CLI, "--action", "build", "--file", input, "--output", output], {
      cwd: resolve("."),
      encoding: "utf8",
    });
    assert.equal(result.status, 0, result.stdout + result.stderr);
    assert.match(result.stdout, /action: build/);
    assert.equal(existsSync(output), true);
  } finally {
    rmSync(dir, { recursive: true, force: true });
  }
});

test("CLI rejects partially numeric page indexes", () => {
  const result = spawnSync(process.execPath, ["--import", "tsx", CLI, "--action", "summary", "--file", "unused.drawio", "--page", "1abc"], {
    cwd: resolve("."),
    encoding: "utf8",
  });
  assert.equal(result.status, 1);
  assert.match(result.stderr, /non-negative integer/);
});

test("CLI validate exits non-zero when the validation summary is invalid", () => {
  const dir = mkdtempSync(join(tmpdir(), "drawio-cli-validate-test-"));
  const input = join(dir, "empty.drawio");
  try {
    writeFileSync(input, `<mxGraphModel><root><mxCell id="0"/><mxCell id="1" parent="0"/></root></mxGraphModel>`, "utf8");
    const result = spawnSync(process.execPath, ["--import", "tsx", CLI, "--action", "validate", "--file", input], {
      cwd: resolve("."),
      encoding: "utf8",
    });
    assert.equal(result.status, 1, result.stdout + result.stderr);
    assert.match(result.stdout, /valid: false/);
  } finally {
    rmSync(dir, { recursive: true, force: true });
  }
});