// deployment-badge.test.mjs — Unit tests for deployment status badge.
//
// Run with: node --test web/test/deployment-badge.test.mjs

import { describe, it } from 'node:test';
import assert from 'node:assert/strict';
import { renderDeploymentBadge } from '../app.js';

function makeDoc() {
  return {
    createElement(tag) {
      const el = {
        tag,
        className: '',
        textContent: '',
        title: '',
        children: [],
        appendChild(child) { this.children.push(child); return child; },
      };
      return el;
    },
  };
}

describe('renderDeploymentBadge', () => {
  it('returns null for null status', () => {
    const el = renderDeploymentBadge(null, makeDoc());
    assert.equal(el, null);
  });

  it('returns null for undefined status', () => {
    const el = renderDeploymentBadge(undefined, makeDoc());
    assert.equal(el, null);
  });

  it('returns null when includes_fix is false', () => {
    const status = { deployed_commit: 'abc123', fix_commits: [{ hash: 'aabbcc', message: 'fix' }], includes_fix: false };
    const el = renderDeploymentBadge(status, makeDoc());
    assert.equal(el, null);
  });

  it('returns element with deployment-badge class when includes_fix is true', () => {
    const status = { deployed_commit: 'abc123', fix_commits: [{ hash: 'aabbcc', message: 'fix' }], includes_fix: true };
    const el = renderDeploymentBadge(status, makeDoc());
    assert.ok(el, 'element should not be null');
    assert.ok(el.className.includes('deployment-badge'), `className should include deployment-badge, got: ${el.className}`);
  });

  it('shows "Deployed" text when includes_fix is true', () => {
    const status = { deployed_commit: 'abc123', fix_commits: [{ hash: 'aabbcc', message: 'fix' }], includes_fix: true };
    const el = renderDeploymentBadge(status, makeDoc());
    assert.ok(el.textContent.includes('Deployed'), `expected "Deployed" in "${el.textContent}"`);
  });

  it('applies deployed class when includes_fix is true', () => {
    const status = { deployed_commit: 'abc123', fix_commits: [{ hash: 'aabbcc', message: 'fix' }], includes_fix: true };
    const el = renderDeploymentBadge(status, makeDoc());
    assert.ok(el.className.includes('deployment-badge--deployed'), `className: ${el.className}`);
  });

  it('returns null for doc=null', () => {
    const status = { deployed_commit: 'abc', fix_commits: [], includes_fix: true };
    const el = renderDeploymentBadge(status, null);
    assert.equal(el, null);
  });
});