// Native
const { join, resolve } = require('path');

// Packages
const test = require('ava');
const { asc: alpha } = require('alpha-sort');

// Ours
const hash = require('../build/lib/hash');
const readMetadata = require('../build/lib/read-metadata');
const {
  npm: getNpmFiles_,
  docker: getDockerFiles
} = require('../build/lib/get-files');

const prefix = join(__dirname, '_fixtures') + '/';
const base = path => path.replace(prefix, '');
const fixture = name => resolve(`./test/_fixtures/${name}`);

// overload to force debugging
const getNpmFiles = async dir => {
  const { pkg, nowConfig, hasNowJson } = await readMetadata(dir, {
    quiet: true,
    strict: false
  });
  return getNpmFiles_(dir, pkg, nowConfig, { hasNowJson });
};

test('`files`', async t => {
  let files = await getNpmFiles(fixture('files-in-package'));
  t.is(files.length, 3);
  files = files.sort(alpha);
  t.is(base(files[0]), 'files-in-package/build/a/b/c/d.js');
  t.is(base(files[1]), 'files-in-package/build/a/e.js');
  t.is(base(files[2]), 'files-in-package/package.json');
});

test('`files` + `.*.swp` + `.npmignore`', async t => {
  let files = await getNpmFiles(fixture('files-in-package-ignore'));
  files = files.sort(alpha);
  t.is(files.length, 3);
  t.is(base(files[0]), 'files-in-package-ignore/build/a/b/c/d.js');
  t.is(base(files[1]), 'files-in-package-ignore/build/a/e.js');
  t.is(base(files[2]), 'files-in-package-ignore/package.json');
});

test('`files` overrides `.gitignore`', async t => {
  let files = await getNpmFiles(fixture('files-overrides-gitignore'));
  files = files.sort(alpha);
  t.is(files.length, 3);
  t.is(base(files[0]), 'files-overrides-gitignore/package.json');
  t.is(base(files[1]), 'files-overrides-gitignore/test.js');
  t.is(base(files[2]), 'files-overrides-gitignore/test.json');
});

test('`now.files` overrides `.npmignore`', async t => {
  let files = await getNpmFiles(fixture('now-files-overrides-npmignore'));
  files = files.sort(alpha);
  t.is(files.length, 3);
  t.is(base(files[0]), 'now-files-overrides-npmignore/package.json');
  t.is(base(files[1]), 'now-files-overrides-npmignore/test.js');
  t.is(base(files[2]), 'now-files-overrides-npmignore/test.json');
});

test('simple', async t => {
  let files = await getNpmFiles(fixture('simple'));
  files = files.sort(alpha);
  t.is(files.length, 5);
  t.is(base(files[0]), 'simple/bin/test');
  t.is(base(files[1]), 'simple/index.js');
  t.is(base(files[2]), 'simple/lib/woot');
  t.is(base(files[3]), 'simple/lib/woot.jsx');
  t.is(base(files[4]), 'simple/package.json');
});

test('simple with main', async t => {
  let files = await getNpmFiles(fixture('simple-main'));
  t.is(files.length, 3);
  files = files.sort(alpha);
  t.is(files.length, 3);
  t.is(base(files[0]), 'simple-main/build/a.js');
  t.is(base(files[1]), 'simple-main/index.js');
  t.is(base(files[2]), 'simple-main/package.json');
});

test('directory main', async t => {
  let files = await getNpmFiles(fixture('directory-main'));
  t.is(files.length, 3);
  files = files.sort(alpha);
  t.is(files.length, 3);
  t.is(base(files[0]), 'directory-main/a/index.js');
  t.is(base(files[1]), 'directory-main/build/a.js');
  t.is(base(files[2]), 'directory-main/package.json');
});

test('extensionless main', async t => {
  let files = await getNpmFiles(fixture('extensionless-main'));
  t.is(files.length, 3);
  files = files.sort(alpha);
  t.is(files.length, 3);
  t.is(base(files[0]), 'extensionless-main/build/a.js');
  t.is(base(files[1]), 'extensionless-main/index.js');
  t.is(base(files[2]), 'extensionless-main/package.json');
});

test('hashes', async t => {
  const files = await getNpmFiles(fixture('hashes'));
  const hashes = await hash(files);
  t.is(hashes.size, 3);
  const many = new Set(
    hashes.get('277c55a2042910b9fe706ad00859e008c1b7d172').names
  );
  t.is(many.size, 2);
  t.is(many.has(prefix + 'hashes/dei.png'), true);
  t.is(many.has(prefix + 'hashes/duplicate/dei.png'), true);
  t.is(
    hashes.get('56c00d0466fc6bdd41b13dac5fc920cc30a63b45').names[0],
    prefix + 'hashes/index.js'
  );
  t.is(
    hashes.get('706214f42ae940a01d2aa60c5e32408f4d2127dd').names[0],
    prefix + 'hashes/package.json'
  );
});

test('ignore node_modules', async t => {
  let files = await getNpmFiles(fixture('no-node_modules'));
  files = files.sort(alpha);
  t.is(files.length, 2);
  t.is(base(files[0]), 'no-node_modules/index.js');
  t.is(base(files[1]), 'no-node_modules/package.json');
});

test('ignore nested `node_modules` with .npmignore **', async t => {
  let files = await getNpmFiles(fixture('nested-node_modules'));
  files = files.sort(alpha);
  t.is(files.length, 2);
  t.is(base(files[0]), 'nested-node_modules/index.js');
  t.is(base(files[1]), 'nested-node_modules/package.json');
});

test('include `main` even if not in files', async t => {
  let files = await getNpmFiles(fixture('always-include-main'));
  files = files.sort(alpha);
  t.is(files.length, 3);
  t.is(base(files[0]), 'always-include-main/a.js');
  t.is(base(files[1]), 'always-include-main/package.json');
  t.is(base(files[2]), 'always-include-main/woot.js');
});

test('support whitelisting with .npmignore and !', async t => {
  let files = await getNpmFiles(fixture('negation'));
  files = files.sort(alpha);
  t.is(files.length, 2);
  t.is(base(files[0]), 'negation/a.js');
  t.is(base(files[1]), 'negation/package.json');
});

test('support `now.files`', async t => {
  let files = await getNpmFiles(fixture('now-files'));
  files = files.sort(alpha);
  t.is(files.length, 2);
  t.is(base(files[0]), 'now-files/b.js');
  t.is(base(files[1]), 'now-files/package.json');
});

test('support docker', async t => {
  let files = await getDockerFiles(fixture('dockerfile'));
  files = files.sort(alpha);
  t.is(files.length, 2);
  t.is(base(files[0]), 'dockerfile/Dockerfile');
  t.is(base(files[1]), 'dockerfile/a.js');
});

test('prefix regression', async t => {
  let files = await getNpmFiles(fixture('prefix-regression'));
  files = files.sort(alpha);
  t.is(files.length, 2);
  t.is(base(files[0]), 'prefix-regression/package.json');
  t.is(base(files[1]), 'prefix-regression/woot.js');
});

test('support `now.json` files with package.json', async t => {
  let files = await getNpmFiles(fixture('now-json'));
  files = files.sort(alpha);
  t.is(files.length, 3);
  t.is(base(files[0]), 'now-json/b.js');
  t.is(base(files[1]), 'now-json/now.json');
  t.is(base(files[2]), 'now-json/package.json');
});

test('support `now.json` files with Dockerfile', async t => {
  const f = fixture('now-json-docker');
  const { deploymentType, nowConfig, hasNowJson } = await readMetadata(f, {
    quiet: true,
    strict: false
  });
  t.is(deploymentType, 'docker');

  let files = await getDockerFiles(f, nowConfig, { hasNowJson });
  files = files.sort(alpha);
  t.is(files.length, 3);
  t.is(base(files[0]), 'now-json-docker/Dockerfile');
  t.is(base(files[1]), 'now-json-docker/b.js');
  t.is(base(files[2]), 'now-json-docker/now.json');
});

test('throws when both `now.json` and `package.json:now` exist', async t => {
  let e;
  try {
    await readMetadata(fixture('now-json-throws'), {
      quiet: true,
      strict: false
    });
  } catch (err) {
    e = err;
  }
  t.is(e.name, 'Error');
  t.is(e.userError, true);
  t.pass(
    /please ensure there's a single source of configuration/i.test(e.message)
  );
});