class Gemsi

# File lib/gemsi.rb, line 10
def main(path = nil)
  gems = parsed_gems(path)
  gem_names_arr = []
  gems.each do |gem|
    next if !gem[:is_parsed] || gem[:name].nil?

    gem_names_arr << gem[:name]
    gem[:spec] = gems_descriptions.detect { |description| description[:name] == gem[:name] }
  end
  name_size = gem_names_arr.max_by(&:length).size
  print_descriptions(gems, name_size)
end

# File lib/gemsi.rb, line 38
def build_description(spec)
  result = {
    name: spec.name,
    version: spec.version.to_s,
    summary: spec.summary,
    description: spec.description,
    homepage: spec.homepage,
    github_search: "https://github.com/search?q=#{spec.name}&ref=cmdform"
  }

  result[:full_description] = if result[:description] == result[:summary]
                                result[:description]
                              else
                                "#{result[:description]} #{result[:summary]}"
                              end
  result[:github_search] = result[:homepage]&.match(/github/) ? ' ' : "https://github.com/search?q=#{spec.name}&ref=cmdform"
  result
end

# File lib/gemsi.rb, line 34
def gems_descriptions
  @gems_descriptions ||= Gem::Specification.all.map { |spec| build_description(spec) }
end

# File lib/gemsi.rb, line 25
def parsed_gems(path = nil)
  gemfile = path || GEMFILE
  IO.read(gemfile).split("\n").map do |string|
    is_parsed = string.match(GEM_LINE_PATTERN) ? true : false
    name = is_parsed ? string.match(GEM_NAME_PATTERN)&.send(:[], 1) : nil
    { text: string, name: name, is_parsed: true }
  end
end

# File lib/gemsi.rb, line 57
def print_descriptions(gems, name_size = TAB_SIZE)
  tab = ' ' * name_size

  gems.each do |gem|
    next unless gem[:is_parsed]

    puts gem[:name].ljust(name_size).to_s if gem[:name]

    if gem[:spec].nil?
      gem[:text].scan(/.{0,80}/).each do |part|
        prn(part, tab)
      end
    else
      prn(gem[:spec][:version], tab)

      gem[:spec][:full_description].scan(/.{0,80}/).each do |part|
        prn(part, tab)
      end

      if gem[:spec][:homepage]
        prn("#{gem[:spec][:homepage]}\n", tab)
        prn("#{gem[:spec][:github_search]}\n", tab)
      end
    end
  end
end

# File lib/gemsi.rb, line 84
def prn(text, tab = ' ' * TAB_SIZE)
  puts "#{tab}#{text}"
end