var test = require('tap').test

var server = require('./lib/server.js')
var common = require('./lib/common.js')
var client = common.freshClient()

function nop () {}

var BASE_URL = 'http://localhost:1337/'
var URI = '/-/package/underscore/dist-tags/test'
var TOKEN = 'foo'
var AUTH = {
  token: TOKEN
}
var PACKAGE = 'underscore'
var DIST_TAG = 'test'
var VERSION = '3.1.3'
var PARAMS = {
  'package': PACKAGE,
  distTag: DIST_TAG,
  version: VERSION,
  auth: AUTH
}

test('distTags.add call contract', function (t) {
  t.throws(function () {
    client.distTags.add(undefined, AUTH, nop)
  }, 'requires a URI')

  t.throws(function () {
    client.distTags.add([], PARAMS, nop)
  }, 'requires URI to be a string')

  t.throws(function () {
    client.distTags.add(BASE_URL, undefined, nop)
  }, 'requires params object')

  t.throws(function () {
    client.distTags.add(BASE_URL, '', nop)
  }, 'params must be object')

  t.throws(function () {
    client.distTags.add(BASE_URL, PARAMS, undefined)
  }, 'requires callback')

  t.throws(function () {
    client.distTags.add(BASE_URL, PARAMS, 'callback')
  }, 'callback must be function')

  t.throws(
    function () {
      var params = {
        distTag: DIST_TAG,
        version: VERSION,
        auth: AUTH
      }
      client.distTags.add(BASE_URL, params, nop)
    },
    {
      name: 'AssertionError',
      message: 'must pass package name to distTags.add'
    },
    'distTags.add must include package name'
  )

  t.throws(
    function () {
      var params = {
        'package': PACKAGE,
        version: VERSION,
        auth: AUTH
      }
      client.distTags.add(BASE_URL, params, nop)
    },
    {
      name: 'AssertionError',
      message: 'must pass package distTag name to distTags.add'
    },
    'distTags.add must include dist-tag'
  )

  t.throws(
    function () {
      var params = {
        'package': PACKAGE,
        distTag: DIST_TAG,
        auth: AUTH
      }
      client.distTags.add(BASE_URL, params, nop)
    },
    {
      name: 'AssertionError',
      message: 'must pass version to be mapped to distTag to distTags.add'
    },
    'distTags.add must include version'
  )

  t.throws(
    function () {
      var params = {
        'package': PACKAGE,
        distTag: DIST_TAG,
        version: VERSION
      }
      client.distTags.add(BASE_URL, params, nop)
    },
    { name: 'AssertionError', message: 'must pass auth to distTags.add' },
    'distTags.add must include auth'
  )

  t.end()
})

test('add a new dist-tag to a package', function (t) {
  server.expect('PUT', URI, function (req, res) {
    t.equal(req.method, 'PUT')

    var b = ''
    req.setEncoding('utf8')
    req.on('data', function (d) {
      b += d
    })

    req.on('end', function () {
      t.doesNotThrow(function () {
        var parsed = JSON.parse(b)
        t.deepEqual(parsed, VERSION)

        res.statusCode = 200
        res.json({ test: VERSION })
      }, 'got valid JSON from client')
    })
  })

  client.distTags.add(BASE_URL, PARAMS, function (error, data) {
    t.ifError(error, 'no errors')
    t.ok(data.test, 'dist-tag added')

    t.end()
  })
})
