var test = require('tape');

test('can be loaded twice', function (t) {
  var config = require('../')(__dirname + '/fixtures/one');
  t.equal(config.foo, 1, 'config matches');
  t.equal(config.bar, 2, 'config matches');

  var config2 = require('../')(__dirname + '/fixtures/two');
  t.equal(config2.foo, 10, 'config2 matches');
  t.equal(config2.bar, 20, 'config2 matches');

  t.end();
});

test('env values override', function (t) {
  process.env.SNYK_foo = 100; // jshint ignore:line
  process.env.SNYK_bar__foo = 200; // jshint ignore:line
  process.env.PORT = 8888; // jshint ignore:line
  var config = require('../')(__dirname + '/fixtures/one');

  t.equal(config.foo, '100', 'config matches');
  t.deepEqual(config.bar, { foo: '200' }, 'object matches');

  delete process.env.SNYK_foo;
  delete process.env.SNYK_bar__foo;
  delete process.env.PORT;

  t.end();
});

test('secret config overrides local and default', function (t) {
  var config = require('../')(__dirname + '/fixtures/three', {
    secretConfig: __dirname + '/fixtures/three/config.secret.json',
  });

  t.equal(config.foo, 111, 'default value matches');
  t.equal(config.bar, 42, 'secret value matches');
  t.deepEqual(config.baz, { key1: 'value1', key2: 'value2' },
              'nesting merge ok');

  t.end();
});

test('can be called without a path', function (t) {
  var config = require('../')(__dirname);
  t.ok(config, 'config loaded without a path');
  t.end();
});

test('env truthy correctly parsed', function (t) {
  process.env.SNYK_foo = 'TRUE'; // jshint ignore:line
  process.env.SNYK_bar = 'FALSE'; // jshint ignore:line
  process.env.SNYK_baz = true; // jshint ignore:line
  process.env.SNYK_zoo = false; // jshint ignore:line

  var config = require('../')(__dirname + '/fixtures/one');

  t.strictEqual(config.foo, true, 'TRUE becomes boolean true');
  t.strictEqual(config.bar, false, 'FALSE becomes boolean false');
  t.strictEqual(config.baz, true, 'true becomes boolean true');
  t.strictEqual(config.zoo, false, 'false becomes boolean false');

  delete process.env.SNYK_foo;
  delete process.env.SNYK_bar;
  delete process.env.SNYK_baz;
  delete process.env.SNYK_zoo;

  t.end();
});

test('arg truthy correctly parsed', function (t) {
  var config = require('../')(__dirname + '/fixtures/one');

  t.equal(config.afoo, true, 'truth config matches');
  t.ok(!config.abar, 'false config matches');
  t.equal(config.azoo, 'true', 'strings left as is');

  t.end();
});

test('env var substition throws on missing env vars', function (t) {
  delete process.env.CONFIG_TEST_VALUE;

  try {
    require('../')(__dirname + '/fixtures/env');
    t.fail('Should have thrown!');
  } catch (err) {
    t.ok(err, 'Throws on missing env vars');
    t.end();
  }
});

test('env var substitution', function (t) {
  var testFixtureValue = 'a fixture value';
  process.env.CONFIG_TEST_VALUE = testFixtureValue;

  var config = require('../')(__dirname + '/fixtures/env');
  var sourceData = require('./fixtures/env/config.default.json');

  t.equal(config.regular, sourceData.regular, 'regular key matches');

  var replacedValue =
    sourceData.nested.toBeReplaced.replace(/\${CONFIG_TEST_VALUE}/g,
                                           testFixtureValue);
  t.equal(config.nested.toBeReplaced, replacedValue,
          'nested substitution works');

  replacedValue = sourceData.toBeReplaced.replace(/\${CONFIG_TEST_VALUE}/g,
                                                  testFixtureValue);
  t.equal(config.toBeReplaced, replacedValue,
          'substitution works');

  t.end();
});
;;