class Pod::Command::PodfileInfo

def self.options
  [
    ["--all", "Show information about all Pods with dependencies that are used in a project"],
    ["--md", "Output information in Markdown format"]
  ].concat(super)
end

def initialize(argv)
  @info_all = argv.flag?('all')
  @info_in_md = argv.flag?('md')
  @info_license = argv.flag?('license')
  @podfile_path = argv.shift_argument
  super
end

def pods_from_podfile(podfile)
  pods = []
  podfile.root_target_definitions.each {|e| h = e.to_hash; pods << h['dependencies'] if h['dependencies']}
  pods.flatten!
  pods.collect! {|pod| (pod.is_a?(Hash)) ? pod.keys.first : pod}
end

def pods_info(pods, in_md=false)
  pods = pods_info_hash(pods, [:name, :homepage, :summary, :license])
  pods.each do |pod|
    if in_md
      UI.puts "* [#{pod[:name]}](#{pod[:homepage]}) [#{pod[:license][:type]}] - #{pod[:summary]}"
    else
      UI.puts "- #{pod[:name]} [#{pod[:license][:type]}]".green
      UI.puts "  #{pod[:summary]}\n\n"
    end
  end
end

def pods_info_hash(pods, keys=[:name, :homepage, :summary, :license])
  pods_info = []
  pods.each do |pod|
    spec = (Pod::SourcesManager.search_by_name(pod).first rescue nil)
    if spec
      info = {}
      keys.each { |k| info[k] = spec.specification.send(k) }
      pods_info << info
    else
    end
  end
  pods_info
end

def run
  use_podfile = (@podfile_path || !config.lockfile)
  if !use_podfile
    UI.puts "Using lockfile" if config.verbose?
    verify_lockfile_exists!
    lockfile = config.lockfile
    pods = lockfile.pod_names
    if @info_all
      deps = lockfile.dependencies.map{|d| d.name}
      pods = (deps + pods).uniq
    end
  elsif @podfile_path
    podfile = Pod::Podfile.from_file(@podfile_path)
    pods = pods_from_podfile(podfile)
  else
    verify_podfile_exists!
    podfile = config.podfile
    pods = pods_from_podfile(podfile)
  end
  UI.puts "\nPods used:\n".yellow unless @info_in_md
  pods_info(pods, @info_in_md)
end