# typed: false
# frozen_string_literal: true

require "forwardable"

module Hephaestus
  class AppBuilder < ::Rails::AppBuilder
    include Hephaestus::Actions

    extend Forwardable

    def readme
      template("README.md.erb", "README.md")
    end

    def gitignore
      copy_file("hephaestus_gitignore", ".gitignore")
    end

    # it is, apparently, extraordinarly important to keep this as an erb
    def gemfile
      template("Gemfile.erb", "Gemfile")
    end

    def raise_on_delivery_errors
      replace_in_file(
        "config/environments/development.rb",
        "raise_delivery_errors = false",
        "raise_delivery_errors = true",
      )
    end

    def copy_setup_scripts
      directory(Hephaestus.source_path("script"), "script")
      Dir.glob("script/**/*").each do |file|
        next if File.directory?(file)

        chmod(file, 0o755)
      end
    end

    def configure_dev_hosting
      config = <<~EOD
        # Let dev server run on GitHub Codespaces
        config.hosts << /[a-z0-9-]+.githubpreview.dev/

        # Let dev server run on ngrok domains
        config.hosts << /[a-z0-9-]+.ngrok.io/
      EOD

      configure_environment("development", config)
    end

    def setup_asset_host
      config = <<~EOD
        config.public_file_server.headers = {
            "Cache-Control" => "public, max-age=31557600",
          }
      EOD

      configure_environment("production", config)
    end

    def setup_background_worker
      config = <<~EOD
        # Use a real queuing backend for Active Job (and separate queues per environment).
        config.active_job.queue_adapter = :sidekiq
      EOD
      configure_environment("production", config)
      configure_environment("staging", config)
    end

    def setup_slack_logger
      config = <<~EOD
        config.after_initialize do
          Rails.logger.broadcast_to(SlackWebhookLogger.logger)
        end
      EOD
      configure_environment("production", config)
      configure_environment("staging", config)
      configure_environment("test", config)
    end

    def setup_ssl
      ssl = <<~SSL
        config.force_ssl = true
        config.ssl_options = { hsts: { subdomains: true, preload: true, expires: 1.year } }
      SSL

      replace_in_file(
        "config/environments/production.rb",
        "# config.force_ssl = true",
        ssl,
      )
    end

    def setup_staging_environment
      FileUtils.cp(File.join(destination_root, "config/environments/production.rb"), File.join(destination_root, "config/environments/staging.rb"))
    end

    def replace_gemfile
      template("Gemfile.erb", "Gemfile", force: true) do |content|
        if development_env?
          content.gsub(/gem .hephaestus./) { |s| %(#{s}, path: "#{root_path}") }
        else
          content
        end
      end
    end

    def restore_gemfile
      replace_in_file("Gemfile", /gem "hephaestus".+/, "gem \"hephaestus\"")
    end

    def ruby_version
      create_file(".ruby-version", "#{Hephaestus::RUBY_VERSION}\n")
    end

    def configure_time_formats
      replace_in_file("config/application.rb", /# config.time_zone = .*/, "config.time_zone = \"UTC\"")
    end

    def create_github_repo(repo_name)
      run("gh repo create #{repo_name}", exit_on_failure: false)
    end

    def remove_config_comment_lines
      config_files = [
        "application.rb",
        "environment.rb",
        "environments/development.rb",
        "environments/production.rb",
        "environments/test.rb",
      ]

      config_files.each do |config_file|
        path = Pathname(destination_root).join("config", config_file)
        source = Actions::StripCommentsAction.call(path.read)

        path.write(source)
      end
    end

    def remove_routes_comment_lines
      replace_in_file(
        "config/routes.rb",
        /Rails\.application\.routes\.draw do.*end/m,
        "Rails.application.routes.draw do\nend",
      )
    end

    def setup_test_environment
      remove_dir("test")
      source = File.join(Hephaestus::AppGenerator.source_root, "test")
      directory(source, "test")
    end

    def replace_generic_variables
      say(set_color("Replacing generic variable names...", :cyan))
      replace_in_files(destination_root, /App(?!lication)/, short_app_name.capitalize)
      replace_in_files(destination_root, %r{(?<!yetto|sw|plugs\.yetto\.)app(?!lication|/|roximate)}, short_app_name.downcase)
      replace_in_files(destination_root, "PlugApp", app_name.underscore.camelcase)
      replace_in_files(destination_root, "plug-app", app_name.dasherize)
      replace_in_files("destination_root}/.github/workflows/test.yml", "plug-app", app_name.dasherize)
      replace_in_files(destination_root, "PLUG_APP", app_name.underscore.upcase)
      replace_in_files(destination_root, "plug_app", app_name.underscore)

      # these are erroneously changed
      replace_in_file("script/server", "/usr/src/#{short_app_name.downcase}", "/usr/src/app")
      replace_in_file("vendor/fly/fly-production.toml", "#{short_app_name.downcase} = ", "app = ")
      replace_in_file("vendor/fly/fly-staging.toml", "#{short_app_name.downcase} = ", "app =")
    end

    private

    def short_app_name
      app_name.split("_").last
    end

    def root_path
      @root_path ||= Pathname(__dir__).join("..", "..").expand_path
    end

    def development_env?
      root_path.join("hephaestus.gemspec").exist?
    end

    def raise_on_missing_translations_in(environment)
      config = "config.i18n.raise_on_missing_translations = true"

      uncomment_lines("config/environments/#{environment}.rb", config)
    end

    def heroku_adapter
      @heroku_adapter ||= Adapters::Heroku.new(self)
    end
  end
end