URL_TEMPLATE = 'https://github.com/jhsu802701/rails-20180118-025416-206.git'.freeze

require 'generic_app/version'
require 'string_in_file'
require 'line_containing'
require 'remove_double_blank'
require 'open-uri'

#
module GenericApp
  # Create app, stick with SQLite database in development
  def self.create_new(subdir_name, email, title)
    t1 = Thread.new { git_clone(subdir_name) }
    t1.join
    remove_neutrino(subdir_name)
    update_pg_setup(subdir_name)
    remove_heroku_name(subdir_name)
    email_update(subdir_name, email)
    remove_badges(subdir_name)
    update_titles(subdir_name, title)
    update_todo(subdir_name)
    git_init(subdir_name)
    print_end_msg(subdir_name)
  end

  def self.remove_heroku_name(subdir_name)
    File.delete("#{subdir_name}/config/heroku_name.txt")
  end

  def self.remove_neutrino(subdir_name)
    File.delete("#{subdir_name}/neutrino.sh")
  end

  def self.update_pg_setup(subdir_name)
    open("#{subdir_name}/pg_setup.sh", 'w') do |f|
      f.write open('https://gist.githubusercontent.com/jhsu802701/e4d60a972893f78da0f6906a0beeac06/raw/293bd0e74adbfa6b47c81332aa81b84d89770518/pg_setup.sh').read
    end
  end

  def self.git_clone(subdir_name)
    puts '------------------------------------'
    puts 'Downloading the Generic App Template'
    system("git clone #{URL_TEMPLATE} #{subdir_name}")
  end

  def self.email_update(subdir_name, email)
    email_orig = 'somebody@rubyonracetracks.com'
    path1 = "#{subdir_name}/config/initializers/devise.rb"
    path2 = "#{subdir_name}/app/views/static_pages/contact.html.erb"
    path3 = "#{subdir_name}/test/integration/static_pages_test.rb"
    StringInFile.replace(email_orig, email, path1)
    StringInFile.replace(email_orig, email, path2)
    StringInFile.replace(email_orig, email, path3)
  end

  def self.remove_badges(subdir_name)
    path_readme = "#{subdir_name}/README.md"
    LineContaining.delete('[![CircleCI](https://circleci.com', path_readme)
    LineContaining.delete('[![Dependency Status](https://gemnasium.com', path_readme)
    LineContaining.delete('[![security](https://hakiri.io', path_readme)
    LineContaining.delete('[![Code Climate](https://codeclimate.com', path_readme)
    LineContaining.delete('[![Maintainability](https://api.codeclimate.com', path_readme)
    RemoveDoubleBlank.update(path_readme)
  end

  def self.update_titles(subdir_name, title)
    array_files = []
    array_files << "#{subdir_name}/README.md"
    array_files << "#{subdir_name}/app/helpers/application_helper.rb"
    array_files << "#{subdir_name}/app/views/layouts/_header.html.erb"
    array_files << "#{subdir_name}/app/views/layouts/_footer.html.erb"
    array_files << "#{subdir_name}/app/views/static_pages/home.html.erb"
    array_files << "#{subdir_name}/test/helpers/application_helper_test.rb"
    array_files << "#{subdir_name}/test/integration/static_pages_test.rb"

    array_files.each do |f|
      StringInFile.replace('Generic App Template', title, f)
      StringInFile.replace('GENERIC APP TEMPLATE', title, f)
    end
  end

  def self.update_todo(subdir_name)
    url_todo = 'https://gist.github.com/jhsu802701/fdfd6e0732773b379413625463f2d2c0'
    msg_todo = "Go to #{url_todo} for further instructions."
    StringInFile.write("#{msg_todo}\n", "#{subdir_name}/README-to_do.txt")
  end

  def self.git_init(subdir_name)
    puts '-----------------------'
    puts 'Removing old Git record'
    system("cd #{subdir_name} && rm -rf .git")
    system("cd #{subdir_name} && git init")
    system("cd #{subdir_name} && git add .")
  end

  def self.print_end_msg(subdir_name)
    puts '-------------------------'
    puts 'Rails Neutrino timestamp:'
    system("cd #{subdir_name} && cat config/rails_neutrino_timestamp.txt")
    puts ''
    puts "Your new app is at #{subdir_name}"
    puts ''
    puts 'Instructions on how to get started are in the file'
    puts 'README-to_do.txt within your new app.'
  end
end