var common = require('../common-tap.js')
var test = require('tap').test
var npm = require('../../')
var osenv = require('osenv')
var path = require('path')
var fs = require('fs')
var rimraf = require('rimraf')
var mkdirp = require('mkdirp')
var which = require('which')
var spawn = require('child_process').spawn

var pkg = path.resolve(__dirname, 'version-git-not-clean')
var cache = path.resolve(pkg, 'cache')

test('npm version <semver> with working directory not clean', function (t) {
  setup()
  npm.load({ cache: cache, registry: common.registry, prefix: pkg }, function () {
    which('git', function (err, git) {
      t.ifError(err, 'git found')

      function gitInit (_cb) {
        var child = spawn(git, ['init'])
        var out = ''
        child.stdout.on('data', function (d) {
          out += d.toString()
        })
        child.on('exit', function () {
          return _cb(out)
        })
      }

      function addPackageJSON (_cb) {
        var data = JSON.stringify({ name: 'blah', version: '0.1.2' })
        fs.writeFile('package.json', data, function () {
          var child = spawn(git, ['add', 'package.json'])
          child.on('exit', function () {
            var child2 = spawn(git, ['commit', 'package.json', '-m', 'init'])
            var out = ''
            child2.stdout.on('data', function (d) {
              out += d.toString()
            })
            child2.on('exit', function () {
              return _cb(out)
            })
          })
        })
      }

      gitInit(function () {
        addPackageJSON(function () {
          var data = JSON.stringify({ name: 'blah', version: '0.1.3' })
          fs.writeFile('package.json', data, function () {
            npm.commands.version(['patch'], function (err) {
              if (!err) {
                t.fail('should fail on non-clean working directory')
              } else {
                t.ok(err.message.match(/Git working directory not clean./))
                t.ok(err.message.match(/M package.json/))
              }
              t.end()
            })
          })
        })
      })
    })
  })
})

test('cleanup', function (t) {
  // windows fix for locked files
  process.chdir(osenv.tmpdir())

  rimraf.sync(pkg)
  t.end()
})

function setup () {
  mkdirp.sync(pkg)
  mkdirp.sync(cache)
  process.chdir(pkg)
}