require "fileutils"
require_relative "errors"
module FileHelpers

  def self.replace_string(key,new_value,original_file,target_file = nil)
    target_file = original_file if target_file == nil
    text_update = File.read(original_file)
    text_update = text_update.gsub(key, new_value)

    File.open(target_file, "w") { |f| f.write(text_update) }
  rescue
    Errors.display_error "Something went wrong. The file '#{target_file}' couldn't be created and/or updated. Aborting app creation.", true
    abort
  end

  def self.override_file(source_file, target_file)
    FileUtils.rm(target_file)
    FileUtils.cp(source_file,target_file)
  rescue
    Errors.display_error "Couldn't override #{target_file}. Aborting app creation.", true
    abort
  end

  def self.add_to_file(target_file, text)
    content = File.read(target_file)

    File.open(target_file, "a") do |f|
      f.puts
      f.puts
      f.write(text)

    end
  rescue
    Errors.display_error "Couldn't write inside #{target_file}. Aborting app creation.", true
    abort
  end

  def self.get_file(template = :none)
    rbricks_dir = File.dirname(__FILE__)
    replacement_text = ""
    case template
      when :brick_contact_controller then replacement_text = File.read(rbricks_dir + "/assets/controllers/brick_contact.rbr")
      when :brick_contact_routes then replacement_text = File.read(rbricks_dir + "/assets/config/contact_routes.rbr")
      when :brick_allow_signup_links then replacement_text = File.read(rbricks_dir + "/assets/views/devise/allow_signup_links.rbr")
      when :brick_analytics then replacement_text = File.read(rbricks_dir + "/assets/views/layouts/brick_analytics.rbr")
      when :brick_post_routes then replacement_text = File.read(rbricks_dir + "/assets/config/post_routes.rbr")
      when :brick_admin_post_routes then replacement_text = File.read(rbricks_dir + "/assets/config/admin_post_routes.rbr")
      when :brick_posts_controller then replacement_text = File.read(rbricks_dir + "/assets/controllers/posts_controller.rbr")
      when :brick_admin_posts_link then replacement_text = File.read(rbricks_dir + "/assets/views/admin/base/admin_posts_link.rbr")
    end
    replacement_text
  end

end