# frozen_string_literal: true
# !/usr/bin/env ruby
require 'json'

module VSCodeRemoteContainer
  class Utility
    attr_accessor :bin_path
    def initialize
      @bin_path = ENV['GHQ_PATH'] || '/usr/local/bin'
    end

    def generate_url(root_path)
      folder = find_workspace_folder(root_path)
      path = "dev-container+#{root_path.unpack('H*')[0]}"
      print "vscode-remote://#{URI.encode_www_form_component(path)}#{folder}"
    end

    def find_workspace_folder(root_path)
      unless File.exist?("#{root_path}/.devcontainer/devcontainer.json")
        puts 'Not found devcontainer.json file.'
        return
      end

      config = JSON.parse(File.read("#{root_path}/.devcontainer/devcontainer.json"))
      config['workspaceFolder']
    end

    def ghq_exists?
      !`which #{@bin_path}/ghq`.empty?
    end

    def search
      return unless ghq_exists?

      result = []
      `#{@bin_path}/ghq list --full-path`.split(/\R/).each do |d|
        Dir.foreach(d) do |path|
          next if ['.', '..'].include?(path)

          file = File.join(d, path)
          result << d if file.include?('.devcontainer')
        end
      end
      result
    end
  end
end