var fs = require('graceful-fs')
var path = require('path')

var mkdirp = require('mkdirp')
var mr = require('npm-registry-mock')
var osenv = require('osenv')
var rimraf = require('rimraf')
var test = require('tap').test

var npm = require('../../')
var common = require('../common-tap')

var pkg = path.resolve(__dirname, 'peer-deps-invalid')
var cache = path.resolve(pkg, 'cache')

var json = {
  author: 'Domenic Denicola <domenic@domenicdenicola.com> (http://domenicdenicola.com/)',
  name: 'peer-deps-invalid',
  version: '0.0.0',
  dependencies: {
    'npm-test-peer-deps-file': 'http://localhost:1337/ok.js',
    'npm-test-peer-deps-file-invalid': 'http://localhost:1337/invalid.js'
  }
}

var fileFail = function () {
/**package
* { "name": "npm-test-peer-deps-file-invalid"
* , "main": "index.js"
* , "version": "1.2.3"
* , "description":"This one should conflict with the other one"
* , "peerDependencies": { "underscore": "1.3.3" }
* }
**/
  module.exports = 'I\'m just a lonely index, naked as the day I was born.'
}.toString().split('\n').slice(1, -1).join('\n')

var fileOK = function () {
/**package
* { "name": "npm-test-peer-deps-file"
* , "main": "index.js"
* , "version": "1.2.3"
* , "description":"No package.json in sight!"
* , "peerDependencies": { "underscore": "1.3.1" }
* , "dependencies": { "mkdirp": "0.3.5" }
* }
**/
  module.exports = 'I\'m just a lonely index, naked as the day I was born.'
}.toString().split('\n').slice(1, -1).join('\n')

test('setup', function (t) {
  cleanup()
  mkdirp.sync(cache)
  fs.writeFileSync(
    path.join(pkg, 'package.json'),
    JSON.stringify(json, null, 2)
  )
  fs.writeFileSync(path.join(pkg, 'file-ok.js'), fileOK)
  fs.writeFileSync(path.join(pkg, 'file-fail.js'), fileFail)

  process.chdir(pkg)
  t.end()
})

test('installing dependencies that have conflicting peerDependencies', function (t) {
  var customMocks = {
    'get': {
      '/ok.js': [200, path.join(pkg, 'file-ok.js')],
      '/invalid.js': [200, path.join(pkg, 'file-fail.js')]
    }
  }
  mr({port: common.port, mocks: customMocks}, function (err, s) { // create mock registry.
    t.ifError(err, 'mock registry started')
    npm.load({
      cache: pkg + "/cache",
      registry: common.registry
    }, function () {
      npm.commands.install([], function (err) {
        if (!err) {
          t.fail("No error!")
        } else {
          t.equal(err.code, "EPEERINVALID")
          t.equal(err.packageName, "underscore")
          t.equal(err.packageVersion, "1.3.3")
          t.equal(err.message, "The package underscore@1.3.3 does not satisfy its siblings' peerDependencies requirements!")
        }
        s.close() // shutdown mock registry.
        t.end()
      })
    })
  })
})

test('cleanup', function (t) {
  cleanup()
  t.end()
})

function cleanup () {
  process.chdir(osenv.tmpdir())
  rimraf.sync(pkg)
}
