'use strict';

require('../common');
const fixtures = require('../common/fixtures');
const tmpdir = require('../common/tmpdir');
const fs = require('fs');
const assert = require('assert');
const path = require('path');
const { execFileSync } = require('child_process');

const script = path.join(__dirname, '..', '..', 'tools', 'doc', 'apilinks.js');
const apilinks = fixtures.path('apilinks');

tmpdir.refresh();

fs.readdirSync(apilinks).forEach((fixture) => {
  if (!fixture.endsWith('.js')) return;
  const input = path.join(apilinks, fixture);

  const expectedContent = fs.readFileSync(`${input}on`, 'utf8');
  const outputPath = path.join(tmpdir.path, `${fixture}on`);
  execFileSync(
    process.execPath,
    [script, outputPath, input],
    { encoding: 'utf-8' }
  );

  const expectedLinks = JSON.parse(expectedContent);
  const actualLinks = JSON.parse(fs.readFileSync(outputPath));

  for (const [k, v] of Object.entries(expectedLinks)) {
    assert.ok(k in actualLinks, `link not found: ${k}`);
    assert.ok(actualLinks[k].endsWith('/' + v),
              `link ${actualLinks[k]} expected to end with ${v}`);
    delete actualLinks[k];
  }

  assert.strictEqual(
    Object.keys(actualLinks).length, 0,
    `unexpected links returned ${JSON.stringify(actualLinks)}`
  );
});