class Fanforce::Plugin::CoreConfig
  attr_accessor :bugsnag
  attr_reader :show_error_details, :is_bugsnag_enabled
  attr_writer :redis_url

  def initialize(base_dir)
    @base_dir = base_dir
    @show_error_details = (ENV['RACK_ENV']=='development') ? true : false
    @bugsnag = (ENV['BUGSNAG_API_KEY'].present?) ? {api_key: ENV['BUGSNAG_API_KEY']} : nil
  end

  def _id
    raw_config[:_id] || (raise 'base_dir is missing')
  end

  def base_dir
    @base_dir || (raise 'base_dir is missing')
  end

  def factory_dir
    Fanforce::PluginFactory.base_dir || (raise 'factory_dir is missing')
  end

  def show_error_details=(opt)
    @show_error_details = ['1','text'].include?(opt.to_s) ? opt.to_s : false
  end

  def redis_url
    @redis_url || ENV['REDIS_URL'] || 'redis://localhost:6379'
  end

  ######################################################################################################################

  def raw_config
    @raw_config ||= validate_config_file(MultiJson.load(File.open("#{@base_dir}/config.json").read, symbolize_keys: true))
  end

  def validate_config_file(raw_config)
    raw_config.is_a?(Hash) || (raise "#{@base_dir}/config.json must contain a json object (not a #{raw_config.class})")
    raw_config[:_id].present? || (raise '#{@base_dir}/config.json must include an _id field')
    return raw_config
  end

  ######################################################################################################################

  def load_bugsnag
    return if !@bugsnag.is_a?(Hash) or ENV['RACK_ENV'] == 'test'
    require 'bugsnag'
    Bugsnag.configure do |config|
      config.api_key = ENV['BUGSNAG_API_KEY'] || @bugsnag[:api_key]
      config.notify_release_stages = @bugsnag[:notify_release_stages] || ['development','staging','production']
      config.release_stage = @bugsnag[:release_stage] || ENV['RACK_ENV']
      config.app_version = @bugsnag[:app_version] || "fanforce-plugin-factory-#{Fanforce::PluginFactory::VERSION}"
      config.project_root = @base_dir
    end
    @is_bugsnag_enabled = true
  end

  def load_routes
    $: << File.join(@base_dir,'lib') if File.directory?("#{@base_dir}/lib")
    $: << @base_dir if File.directory?("#{@base_dir}")

    require "#{factory_dir}/sinatra/helper_routes/com_database"
    require "#{factory_dir}/sinatra/helper_routes/com_campaign"
    require "#{factory_dir}/sinatra/helper_routes/com_identifier"
    require "#{factory_dir}/sinatra/helper_routes/com_js_widget"
    require "#{factory_dir}/sinatra/helper_routes/plugin"

    Dir["#{@base_dir}/initializers/*.rb"].each {|f| require f } if File.directory?("#{@base_dir}/initializers")
    require "#{factory_dir}/Routes"
    require "#{@base_dir}/Routes"
  end

  def load_env
    if (!ENV['RACK_ENV'] or ENV['RACK_ENV'] == 'development')
      load_env_from_file("#{@base_dir}/.powenv") if File.exists?("#{@base_dir}/.powenv")
      load_env_from_file("#{@base_dir}/.pluginenv") if File.exists?("#{@base_dir}/.pluginenv")
    end
  end

  def load_env_from_file(file)
    File.open(file, 'rb') do |file|
      contents = file.read
      lines = contents.gsub('export ', '').split(/\n\r?/).reject{|line| line.blank?}
      lines.each do |line|
        keyValue = line.split("=", 2)
        next unless keyValue.count == 2
        ENV[keyValue.first] = keyValue.last.gsub("'",'').gsub('"','')
      end
    end
  end

end