# frozen_string_literal: true

require_relative '../../rubocop/lsp/runtime'

module RubyLsp
  module RuboCop
    # Wrap RuboCop's built-in runtime for Ruby LSP's add-on.
    class WrapsBuiltinLspRuntime
      include RubyLsp::Requests::Support::Formatter

      def initialize
        init!
      end

      def init!
        config = ::RuboCop::ConfigStore.new

        @runtime = ::RuboCop::LSP::Runtime.new(config)
      end

      def run_diagnostic(uri, document)
        @runtime.offenses(uri_to_path(uri), document.source, document.encoding)
      end

      def run_formatting(uri, document)
        @runtime.format(uri_to_path(uri), document.source, command: 'rubocop.formatAutocorrects')
      end

      def run_range_formatting(_uri, _partial_source, _base_indentation)
        # Not yet supported. Should return the formatted version of `partial_source` which is
        # a partial selection of the entire document. For example, it should not try to add
        # a frozen_string_literal magic comment and all style corrections should start from
        # the `base_indentation`.
        nil
      end

      private

      # duplicated from: lib/standard/lsp/routes.rb
      # modified to incorporate Ruby LSP's to_standardized_path method
      def uri_to_path(uri)
        if uri.respond_to?(:to_standardized_path) && (standardized_path = uri.to_standardized_path)
          standardized_path
        else
          uri.to_s.delete_prefix('file://')
        end
      end
    end
  end
end