require_relative "rubysermon/version"

require_relative "rubysermon/mod_loader"

require_relative "rubysermon/mod_template"

require_relative "rubysermon/configurator"

require "date"

module Rubysermon

    LIB_PATH = File.expand_path(File.dirname(__FILE__))

    APP_PATH = "#{LIB_PATH}/.."

    MOD_PATH = "#{LIB_PATH}/rubysermon/mod"

    class App

        #todo: refactor

        def initialize

            @config = {repeat: 60}

            @running_mods = []

            @config_path = "#{LIB_PATH}/rubysermon/config.json"

            config()

            @enabled_mods = @config[:modules].to_a

            start_mods()

            start_fetch_process_sleep_cycle()

        end

        private

        def config

            configurator = Configurator.new(@config_path)

            config = configurator.get_settings()

            @config.merge!(config)

        end

        def start_mods

            @enabled_mods.each do |mod| load_mod(mod) end

        end

        def load_mod(mod_name)

            begin

                mod = ModLoader.load(mod_name)

                @running_mods.push(mod)

            rescue ModLoaderException => e

                $stderr = e.message

            end

        end

        def start_fetch_process_sleep_cycle

            if (msg = cannot_start_fetch_process_sleep_cycle?)

                abort(msg)

            end

            while true

                current_time = DateTime.now()

                @running_mods.each do |mod|

                    result = mod.results

                    notify = mod.notify?

                end

                sleep @config[:repeat]

            end

        end

        def cannot_start_fetch_process_sleep_cycle?

            if @config[:repeat].to_i < 1

                return "Repeat cycle too short"

            end

            false

        end

    end

end