# This file is part of LeanRC.
#
# LeanRC is free software: you can redistribute it and/or modify
# it under the terms of the GNU Lesser General Public License as published by
# the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.
#
# LeanRC is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
# GNU Lesser General Public License for more details.
#
# You should have received a copy of the GNU Lesser General Public License
# along with LeanRC.  If not, see <https://www.gnu.org/licenses/>.

###
```coffee
module.exports = (Module)->
  class BaseConfiguration extends Module::Configuration
    @inheritProtected()
    @include Module::MemoryConfigurationMixin
    @module Module

  return BaseConfiguration.initialize()
```

```coffee
module.exports = (Module)->
  {CONFIGURATION} = Module::

  class PrepareModelCommand extends Module::SimpleCommand
    @inheritProtected()
    @module Module

    @public execute: Function,
      default: ->
        #...
        @facade.registerProxy Module::BaseConfiguration.new CONFIGURATION,
          cookieSecret:
            description: "Cookie secret for sessions middleware."
            type: "string"
            default: "secret"
            required: yes

          secret:
            description: "Secret key for encoding and decoding tokens."
            type: "string"
            default: "secret"
            required: yes
        #...

  PrepareModelCommand.initialize()
```
###

module.exports = (Module)->
  {
    Configuration, Mixin
    Utils: { _, inflect }
  } = Module::

  Module.defineMixin Mixin 'MemoryConfigurationMixin', (BaseClass = Configuration) ->
    class extends BaseClass
      @inheritProtected()

      @public ROOT: String,
        get: -> @Module::ROOT

      @public defineConfigProperties: Function,
        default: ->
          configs = @getData()
          for own key, value of configs
            do (attr = key, config = value)=>
              unless config.description?
                throw new Error "Description in config definition is required"
                return
              if config.required and not config.default?
                throw new Error "Attribute '#{attr}' is required in config"
                return
              # проверка типа
              unless config.type?
                throw new Error "Type in config definition is required"
                return
              switch config.type
                when 'string'
                  unless _.isString config.default
                    throw new Error "Default for '#{attr}' must be string"
                    return
                when 'number'
                  unless _.isNumber config.default
                    throw new Error "Default for '#{attr}' must be number"
                    return
                when 'boolean'
                  unless _.isBoolean config.default
                    throw new Error "Default for '#{attr}' must be boolean"
                    return
                when 'integer'
                  unless _.isInteger config.default
                    throw new Error "Default for '#{attr}' must be integer"
                    return
                when 'json'
                  unless _.isObject(config.default) or _.isArray(config.default)
                    throw new Error "Default for '#{attr}' must be object or array"
                    return
                when 'password' #like string but will be displayed as a masked input field in the web frontend
                  unless _.isString config.default
                    throw new Error "Default for '#{attr}' must be string"
                    return
              Reflect.defineProperty @, attr,
                enumerable: yes
                configurable: yes
                writable: no
                value: config.default
              return
          return


      @initializeMixin()