'use strict'

var fs = require('fs')
var exec = require('child_process').exec

var efh = require('error-first-handler')
var nixt = require('nixt')

module.exports = function (test, createModule) {
  createModule(efh()(function (name, cwd) {
    test('prepublish', function (t) {
      prepublishTest(t, 'refactor: change', '0.0.0', 1, 'abort publish w/o changes')
      prepublishTest(t, 'fix: change', '1.0.0', 0, 'release 1.0.0 if unpublished')
      prepublishTest(t, 'fix: change', '1.0.1', 0, 'bump patch for fix')
      prepublishTest(t, 'feat: change', '1.1.0', 0, 'bump minor for feature')
      prepublishTest(t, 'fix: BREAKING CHANGE: change', '2.0.0', 0, 'bump major for breaking change')
    })

    function prepublishTest (t, message, version, code, name) {
      t.test(name, function (t) {
        t.plan(3)

        nixt()
          .cwd(cwd)
          .env('CI', true)
          .env('npm_config_registry', 'http://127.0.0.1:4873/')
          .exec('git commit --allow-empty -m "' + message + '"')
          .run('npm run prepublish')
          .code(code)
          .stdout(/> semantic-release pre\n\nDetermining new version\n/m)
          .end(function (err) {
            t.error(err, 'nixt')

            var pkg = JSON.parse(fs.readFileSync(cwd + '/package.json'))
            t.is(pkg.version, version, 'version')

            if (code === 1) {
              return t.error(null, 'no publish')
            }

            exec('npm publish --ignore-scripts', {cwd: cwd}, function (err) {
              setTimeout(function () {
                t.error(err, 'publish')
              }, 300)
            })
          })
      })
    }
  }))
}