require "grit"

module Gitlab
  module Graph
    class Commit
      include ActionView::Helpers::TagHelper

      attr_accessor :time, :space, :refs

      def initialize(commit)
        @_commit = commit
        @time = -1
        @space = 0
      end

      def method_missing(m, *args, &block)
        @_commit.send(m, *args, &block)
      end

      def to_graph_hash
        h = {}
        h[:parents] = self.parents.collect do |p|
          [p.id,0,0]
        end
        h[:author]  = Gitlab::Encode.utf8(author.name)
        h[:time]    = time
        h[:space]   = space
        h[:refs]    = refs.collect{|r|r.name}.join(" ") unless refs.nil?
        h[:id]      = sha
        h[:date]    = date
        h[:message] = escape_once(Gitlab::Encode.utf8(message))
        h[:login]   = author.email
        h
      end

      def add_refs(ref_cache, repo)
        if ref_cache.empty?
          repo.refs.each do |ref|
            ref_cache[ref.commit.id] ||= []
            ref_cache[ref.commit.id] << ref
          end
        end
        @refs = ref_cache[@_commit.id] if ref_cache.include?(@_commit.id)
        @refs ||= []
      end
    end
  end
end