import assert from "node:assert/strict";
import { mkdtempSync, rmSync, writeFileSync } from "node:fs";
import { tmpdir } from "node:os";
import { join } from "node:path";
import { afterEach, describe, it } from "node:test";

import { readFooterSettings } from "../settings.ts";

let tempDir: string | undefined;

afterEach(() => {
  if (tempDir) {
    rmSync(tempDir, { recursive: true, force: true });
    tempDir = undefined;
  }
});

function configPath(contents: string): string {
  tempDir = mkdtempSync(join(tmpdir(), "pi-minimal-footer-settings-"));
  const path = join(tempDir, "pi-minimal-footer.json");
  writeFileSync(path, contents);
  return path;
}

const expectedDefaults = { showCwd: true, showBranch: true };

describe("readFooterSettings", () => {
  it("returns all defaults when the config file is missing", () => {
    assert.deepEqual(readFooterSettings("/does/not/exist/pi-minimal-footer.json"), expectedDefaults);
  });

  it("returns all defaults for malformed or non-object JSON", () => {
    for (const contents of ["not json", "[1,2]", "42"]) {
      assert.deepEqual(readFooterSettings(configPath(contents)), expectedDefaults, contents);
    }
  });

  it("adopts explicit boolean values", () => {
    assert.deepEqual(
      readFooterSettings(configPath(JSON.stringify({ showCwd: false, showBranch: false }))),
      { showCwd: false, showBranch: false },
    );
  });

  it("falls back per-field for non-boolean values", () => {
    assert.deepEqual(
      readFooterSettings(configPath(JSON.stringify({ showCwd: "no", showBranch: 0 }))),
      expectedDefaults,
    );
  });
});