import { strict as assert } from 'node:assert';
import { describe, it } from 'node:test';
import { parseEnvFile } from '../src/env.ts';
import { Html, escapeHtml, html, join } from '../src/render/html.ts';

describe('parseEnvFile', () => {
  it('reads keys, skips comments and blanks, and strips quotes', () => {
    const values = parseEnvFile(
      [
        '# a comment',
        '',
        'ADMIN_PASSWORD_HASH=scrypt$1$2$3$abc$def',
        'export SESSION_SECRET="quoted value"',
        "OTHER='single quoted'",
        'not a pair',
        'EMPTY=',
      ].join('\n'),
    );
    assert.deepEqual(values, {
      ADMIN_PASSWORD_HASH: 'scrypt$1$2$3$abc$def',
      SESSION_SECRET: 'quoted value',
      OTHER: 'single quoted',
      EMPTY: '',
    });
  });
});

describe('the html builder', () => {
  it('escapes interpolated values', () => {
    const rendered = html`<p title="${'a"b'}">${'<script>'}</p>`;
    assert.equal(rendered.value, '<p title="a&quot;b">&lt;script&gt;</p>');
    assert.equal(escapeHtml('&<>"\''), '&amp;&lt;&gt;&quot;&#39;');
  });

  it('leaves Html values alone, so composition is opt-in', () => {
    const inner = html`<em>${'safe & sound'}</em>`;
    const outer = html`<div>${inner}</div>`;
    assert.equal(outer.value, '<div><em>safe &amp; sound</em></div>');
    assert.equal(Html.raw('<b>raw</b>').value, '<b>raw</b>');
  });

  it('joins arrays and drops null, undefined and booleans', () => {
    const rendered = html`${[html`<li>a</li>`, html`<li>b</li>`]}${null}${undefined}${false}${0}`;
    assert.equal(rendered.value, '<li>a</li><li>b</li>0');
    assert.equal(join([1, 2, 3], '-').value, '1-2-3');
  });
});