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

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

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

test('throws when `package.json` and `Dockerfile` exist', async t => {
  let e
  try {
    await readMetadata(fixture('multiple-manifests-throws'), {
      quiet: true,
      strict: false
    })
  } catch (err) {
    e = err
  }
  t.is(e.userError, true)
  t.is(e.code, 'MULTIPLE_MANIFESTS')
  t.pass(/ambiguous deployment/i.test(e.message))
})

test('support `package.json:now.type` to bypass multiple manifests error', async t => {
  const f = fixture('type-in-package-now-with-dockerfile')
  const { type, nowConfig, hasNowJson } = await readMetadata(f, {
    quiet: true,
    strict: false
  })
  t.is(type, 'npm')
  t.is(nowConfig.type, 'npm')
  t.is(hasNowJson, false)
})