require 'securerandom'

module Fastlane
  module Actions
    module SharedValues
      PREFIX_SCHEMA = :PREFIX_SCHEMA
    end

    class AddPrefixSchemaAction < Action
      def self.run(config)
        Fastlane::Polidea.session.action_launched("add_prefix_schema", config)

        prefix_schema = generate_url_scheme

        info_plists = Dir.glob(File.join(config[:path], "**/*.plist"))
        UI.user_error!("There isn't any Info.plist in this directory") if info_plists.empty?
        info_plists.each do |info_plist|
          update_plist(info_plist, prefix_schema)
        end

        Actions.lane_context[SharedValues::PREFIX_SCHEMA] = prefix_schema

        Fastlane::Polidea.session.action_completed("add_prefix_schema")
        prefix_schema
      end

      def self.generate_url_scheme
        Base64.urlsafe_encode64(SecureRandom.hex)[0..11]
      end

      def self.update_plist(info_plist_path, prefix_schema)
        modify_plist(info_plist_path, "Add :CFBundleURLTypes array")
        modify_plist(info_plist_path, "Add :CFBundleURLTypes:0 dict")
        modify_plist(info_plist_path, "Add :CFBundleURLTypes:0:CFBundleURLName string 'com.polideastore.\\$(PRODUCT_NAME)'")
        modify_plist(info_plist_path, "Add :CFBundleURLTypes:0:CFBundleURLSchemes array")
        modify_plist(info_plist_path, "Add :CFBundleURLTypes:0:CFBundleURLSchemes:0 string '#{prefix_schema}'")
        modify_plist(info_plist_path, "Save")
        UI.success("Added custom url scheme: #{prefix_schema} to plist file: #{info_plist_path}")
      end

      def self.modify_plist(info_plist_path, command)
        system "/usr/libexec/PlistBuddy -c \"#{command}\" \"#{info_plist_path}\""
      end

      def self.description
        "Add prefix schema for Polidea Store"
      end

      def self.available_options
        [
          FastlaneCore::ConfigItem.new(key: :path,
                                       env_name: "",
                                       description: "Path where search for Info.plist begins",
                                       default_value: File.absolute_path("."),
                                       optional: true)
        ]
      end

      def self.output
        [
          ['PREFIX_SCHEMA', 'Prefix schema added to Info.plist']
        ]
      end

      def self.author
        "Piotrek Dubiel"
      end

      def self.is_supported?(platform)
        platform == :ios
      end
    end
  end
end