# frozen_string_literal: true

module Analytics
  class EventsController < ActionController::API
    def create
      payload = parse_payload
      result = Analytics::Ingest.new(events: payload, remote_ip: request.remote_ip).call

      if result.rate_limited
        return head :too_many_requests
      end

      render json: { accepted: result.accepted, rejected: result.rejected }, status: :accepted
    end

    private

    def parse_payload
      body = request.request_parameters
      return body["events"] if body.is_a?(Hash) && body["events"].is_a?(Array)
      return body if body.is_a?(Array)

      raw = request.raw_post
      return [] if raw.blank?

      parsed = JSON.parse(raw)
      return parsed["events"] if parsed.is_a?(Hash) && parsed["events"].is_a?(Array)
      return parsed if parsed.is_a?(Array)

      []
    rescue JSON::ParserError
      []
    end
  end
end