# License: AGPL-3.0-or-later WITH Web-Template-Output-Additional-Permission-3.0-or-later
class ApplicationController < ActionController::Base
	before_filter :set_locale, :redirect_to_maintenance

	protect_from_forgery

	helper_method \
		:current_role?,
		:current_nonprofit_user?,
		:administered_nonprofit,
    :nonprofit_in_trial?,
		:current_plan_tier #int

	def set_locale
		if params[:locale] && Settings.available_locales.include?(params[:locale])
			I18n.locale = params[:locale]
		else
	  	I18n.locale = Settings.language
		end
	end

	def redirect_to_maintenance
		if (Settings&.maintenance&.maintenance_mode && !current_user)
			unless (self.class == Users::SessionsController &&
							((Settings.maintenance.maintenance_token && params[:maintenance_token] == Settings.maintenance.maintenance_token) || params[:format] == 'json'))
				redirect_to Settings.maintenance.maintenance_page
			end
		end
	end

protected

	def json_saved(model, msg=nil)
		if model.valid?
			flash[:notice] = msg if msg
			render json: model, status: 200
		else
			render json: model.errors.full_messages, status: :unprocessable_entity
		end
	end

  # A response helper for use with the param_validation gem
  # use like:   render_json{ UpdateUsers.update(params[:user]) }
  # will catch and pretty print exceptions using the rails loggers
  def render_json(&block)
    begin
      result = {status: 200, json: yield(block)}
    rescue ParamValidation::ValidationError => e
      logger.info "422: #{e}".red.bold
      #logger.info ">>".bold.red + " #{{'Failed key name' => e.data[:key], 'Value' => e.data[:val], 'Failed validator' => e.data[:name]}}".red
      result = {status: 422, json: {error: e.message}}
		rescue CCOrgError => e
			logger.info "422: #{e}".red.bold
			result = {status: 422, json: {error: e.message}}
    rescue ActiveRecord::RecordNotFound => e
      logger.info "404: #{e}".red.bold
      result = {status: 404, json: {error: e.message}}
		rescue AuthenticationError => e
			logger.info "401: #{e}".red.bold
			result = {status: 401, json: {error: e.message}}
		rescue ExpiredTokenError => e
			logger.info "422: #{e}".red.bold
			result = {status: 422, json: {error: e.message}}
    rescue Exception => e # a non-validation related exception
      logger.error "500: #{e}".red.bold
      logger.error e.backtrace.take(5).map{|l| ">>".red.bold + " #{l}"}.join("\n").red
      result = {status: 500, json: {error: e.message, backtrace: e.backtrace}}
    end
    render result
  end

	# Test that within the last 5 minutes, the user has confirmed their password
	def password_was_confirmed(token)
		session[:pw_token] == token && Chronic.parse(session[:pw_timestamp]) >= 5.minutes.ago.utc
	end

	def store_location
		referrer = request.fullpath
		no_redirects = ['/users', '/signup', '/signin', '/users/sign_in', '/users/sign_up', '/users/password', '/users/sign_out', /.*\.json.*/, /.*auth\/facebook.*/]
		unless request.format.symbol == :json || no_redirects.map{|p| referrer.match(p)}.any?
			session[:previous_url] = referrer
		end
	end

	def block_with_sign_in(msg=nil)
		store_location
    if current_user
      flash[:notice] = "It looks like you're not allowed to access that page. If this seems like a mistake, please contact #{Settings.mailer.email}"
      redirect_to root_path
    else
      msg ||= 'We need to sign you in before you can do that.'
      redirect_to new_user_session_path, :flash => {:error => msg}
    end
	end

	def authenticate_user!(options={})
		block_with_sign_in unless current_user
	end

	def authenticate_confirmed_user!
		if !current_user
			block_with_sign_in
		elsif !current_user.confirmed? && !current_role?([:super_associate, :super_admin])
			redirect_to new_user_confirmation_path, flash: {error: 'You need to confirm your account to do that.'}
		end
	end

	def authenticate_super_associate!
		unless current_role?(:super_admin) || current_role?(:super_associate)
			block_with_sign_in 'Please login.'
		end
	end

	def authenticate_super_admin!
		unless current_role?(:super_admin)
			block_with_sign_in 'Please login.'
		end
	end

	def current_role?(role_names, host_id = nil)
    return false unless current_user
    role_names = Array(role_names)
		key = "current_role_user_#{current_user_id}_names_#{role_names.join("_")}_host_#{host_id}"
    QueryRoles.user_has_role?(current_user.id, role_names, host_id)
	end

  def nonprofit_in_trial?(npo_id=nil)
    return false if !npo_id && !administered_nonprofit
    npo_id ||= administered_nonprofit.id
    key = "in_trial_user_#{current_user_id}_nonprofit_#{npo_id}"
    QueryBillingSubscriptions.currently_in_trial?(npo_id)
  end

	def current_plan_tier(npo_id=nil)
    return 0 if !npo_id && !administered_nonprofit
    npo_id ||= administered_nonprofit.id
		return 2 if current_role?(:super_admin)
		key = "plan_tier_user_#{current_user_id}_nonprofit_#{npo_id}"
    administered_nonprofit ? QueryBillingSubscriptions.plan_tier(npo_id) : 0
	end

	def administered_nonprofit
		return nil unless current_user
		key = "administered_nonprofit_user_#{current_user_id}_nonprofit"
    Nonprofit.where(id: QueryRoles.host_ids(current_user_id, [:nonprofit_admin, :nonprofit_associate])).last
	end

	# devise config

	def after_sign_in_path_for(resource)
		request.env['omniauth.origin'] || session[:previous_url] || root_path
	end

	def after_sign_up_path_for(resource)
		request.env['omniauth.origin'] || session[:previous_url] || root_path
	end

	def after_update_path_for(resource)
		profile_path(current_user.profile)
	end

	def after_inactive_sign_up_path_for(resource)
		profile_path(current_user.profile)
	end

	# /devise config

private

	def current_user_id
		current_user && current_user.id
	end

end