# frozen_string_literal: true
module Onotole
  module Adapters
    class Heroku
      def initialize(app_builder)
        @app_builder = app_builder
      end

      def set_heroku_remotes
        remotes = <<-SHELL.strip_heredoc
          #{command_to_join_heroku_app('staging')}
          #{command_to_join_heroku_app('production')}

          git config heroku.remote staging
        SHELL

        app_builder.append_file 'bin/setup', remotes
      end

      def set_up_heroku_specific_gems
        app_builder.inject_into_file(
          'Gemfile',
          %(\n\s\sgem "rails_stdout_logging"),
          after: /group :staging, :production do/
        )
      end

      def create_staging_heroku_app(flags)
        rack_env = 'RACK_ENV=staging'
        app_name = heroku_app_name_for('staging')

        run_toolbelt_command "create #{app_name} #{flags}", 'staging'
        run_toolbelt_command "config:add #{rack_env}", 'staging'
      end

      def create_production_heroku_app(flags)
        app_name = heroku_app_name_for('production')

        run_toolbelt_command "create #{app_name} #{flags}", 'production'
      end

      def set_heroku_rails_secrets
        %w(staging production).each do |environment|
          run_toolbelt_command(
            "config:add #{app_builder.app_name.dasherize.upcase}_SECRET_KEY_BASE=#{generate_secret}",
            environment
          )
        end
      end

      def provide_review_apps_setup_script
        app_builder.template(
          'bin_setup_review_app.erb',
          'bin/setup_review_app',
          force: true
        )
        app_builder.run 'chmod a+x bin/setup_review_app'
      end

      def create_heroku_pipelines_config_file
        app_builder.template 'app.json.erb', 'app.json'
      end

      def create_heroku_pipeline
        pipelines_plugin = `heroku plugins | grep pipelines`
        if pipelines_plugin.empty?
          puts 'You need heroku pipelines plugin. Run: heroku plugins:install heroku-pipelines'
          exit 1
        end

        heroku_app_name = app_builder.app_name.dasherize
        run_toolbelt_command(
          "pipelines:create #{heroku_app_name} \
            -a #{heroku_app_name}-staging --stage staging",
          'staging'
        )

        run_toolbelt_command(
          "pipelines:add #{heroku_app_name} \
            -a #{heroku_app_name}-production --stage production",
          'production'
        )
      end

      def set_heroku_serve_static_files
        %w(staging production).each do |environment|
          run_toolbelt_command(
            "config:add #{app_name.upcase}_RAILS_SERVE_STATIC_FILES=true",
            environment
          )
        end
      end

      private

        attr_reader :app_builder

        def command_to_join_heroku_app(environment)
          heroku_app_name = heroku_app_name_for(environment)
          <<-SHELL

if heroku join --app #{heroku_app_name} &> /dev/null; then
  git remote add #{environment} git@heroku.com:#{heroku_app_name}.git || true
  printf 'You are a collaborator on the "#{heroku_app_name}" Heroku app\n'
else
  printf 'Ask for access to the "#{heroku_app_name}" Heroku app\n'
fi
        SHELL
        end

        def heroku_app_name_for(environment)
          "#{app_builder.app_name.dasherize}-#{environment}"
        end

        def generate_secret
          SecureRandom.hex(64)
        end

        def run_toolbelt_command(command, environment)
          app_builder.run(
            "heroku #{command} --remote #{environment}"
          )
        end
    end
  end
end
