module RepoAnalyzer
  class ProjectDataBridge
    EXCLUDED_FILE_NAMES = %w{. .. .keep .gitkeep}

    attr_reader :project_path

    def initialize(repo_name, project_path = Rails.root.to_s)
      @repo_name = repo_name
      @project_path = project_path
    end

    def file_exist?(file_path)
      File.exist?("#{project_path}/#{file_path}")
    end

    def file_content(file_path)
      return unless file_exist?(file_path)

      File.open("#{project_path}/#{file_path}").read
    end

    def dir_files(dir_path)
      Dir.glob("#{project_path}/#{dir_path}/**/*").reject do |file_name|
        EXCLUDED_FILE_NAMES.include?(file_name)
      end
    rescue Errno::ENOENT
      []
    end

    def commits(options = {})
      github_client.commits(repo_name, **options)
    end

    def contributors
      github_client.contributors(repo_name)
    end

    private

    attr_reader :repo_name

    def github_client
      @github_client ||= RepoAnalyzer::GithubClient.new(
        RepoAnalyzer.github_personal_token
      )
    end
  end
end