# frozen_string_literal: true

class EventsController < ApplicationController
  def show
    @event = Event.find(params[:id])
    @network_range = NetworkRange.contains_ip(@event.ip_address.to_s).first

    # Auto-generate network range if no match found
    unless @network_range
      @network_range = NetworkRangeGenerator.find_or_create_for_ip(@event.ip_address)
      Rails.logger.debug "Auto-generated network range #{@network_range&.cidr} for IP #{@event.ip_address}" if @network_range
    end
  end

  def index
    @events = Event.order(timestamp: :desc)
    Rails.logger.debug "Found #{@events.count} total events"
    Rails.logger.debug "Action: #{params[:waf_action]}"

    # Apply filters
    @events = @events.by_ip(params[:ip]) if params[:ip].present?
    @events = @events.by_waf_action(params[:waf_action]) if params[:waf_action].present?
    @events = @events.joins("JOIN network_ranges ON events.ip_address <<= network_ranges.network")
                     .where("network_ranges.country = ?", params[:country]) if params[:country].present?

    # Network-based filters
    @events = @events.by_company(params[:company]) if params[:company].present?
    @events = @events.by_network_type(params[:network_type]) if params[:network_type].present?
    @events = @events.by_asn(params[:asn]) if params[:asn].present?
    @events = @events.by_network_cidr(params[:network_cidr]) if params[:network_cidr].present?

    Rails.logger.debug "Events count after filtering: #{@events.count}"

    # Debug info
    Rails.logger.debug "Events count before pagination: #{@events.count}"

    # Paginate
    @pagy, @events = pagy(@events, items: 50)

    # Preload network ranges for all unique IPs to avoid N+1 queries
    unique_ips = @events.pluck(:ip_address).uniq.compact
    @network_ranges_by_ip = {}
    unique_ips.each do |ip|
      ip_string = ip.to_s  # IPAddr objects can be converted to string
      range = NetworkRange.contains_ip(ip_string).first

      # Auto-generate network range if no match found
      unless range
        range = NetworkRangeGenerator.find_or_create_for_ip(ip)
        Rails.logger.debug "Auto-generated network range #{range&.cidr} for IP #{ip_string}" if range
      end

      @network_ranges_by_ip[ip_string] = range if range
    end

    Rails.logger.debug "Events count after pagination: #{@events.count}"
    Rails.logger.debug "Pagy info: #{@pagy.count} total, #{@pagy.pages} pages"
    Rails.logger.debug "Preloaded network ranges for #{@network_ranges_by_ip.count} unique IPs"
  end
end