'use strict'

async        = require 'async'
forceRequire = require 'force-require'

###*
 * Bumped.plugins
 *
 * Module to call each plugin declared for the user in the configuration file.
 * Modules follow a duck type interface and are sorted.
 * If any plugin throw and error, automatically stop the rest of the plugins.
###
module.exports = class Plugins

  constructor: (bumped) ->
    @bumped = bumped
    @prerelease = @bumped.config.rc.plugins.prerelease
    @postrelease = @bumped.config.rc.plugins.postrelease
    @cache = {}

  exec: (opts, cb) ->
    type = @[opts.type]
    return cb null if @isEmpty type

    async.forEachOfSeries type, (settings, name, next) =>
      plugin = @cache[settings.plugin] ?= forceRequire settings.plugin
      @bumped.logger.plugin "#{settings.plugin}: #{name}"
      plugin @bumped, settings, (err, message) => @print err, message, next
    , cb

  print: (err, message = '', cb) ->
    return cb err if err
    message = message.replace /\n$/, '' # deletes last line break
    @bumped.logger.output message
    cb()

  isEmpty: (plugins = []) ->
    Object.keys(plugins).length is 0