class Multiwoven::Integrations::Destination::Zendesk::Client

def authenticate_client
  @client.tickets.page(1).per_page(1).fetch
rescue ZendeskAPI::Error => e
  raise StandardError, "Authentication failed: #{e.message}"
end

def check_connection(connection_config)
  connection_config = connection_config.with_indifferent_access
  initialize_client(connection_config)
  authenticate_client
  success_status
rescue StandardError => e
  handle_exception(e, {
                     context: "ZENDESK:CHECK_CONNECTION:EXCEPTION",
                     type: "error"
                   })
  failure_status(e)
end

def discover(_connection_config = nil)
  catalog = build_catalog(load_catalog)
  catalog.to_multiwoven_message
rescue StandardError => e
  handle_exception(e, {
                     context: "ZENDESK:DISCOVER:EXCEPTION",
                     type: "error"
                   })
  failure_status(e)
end

def initialize_client(connection_config)
  connection_config = connection_config.with_indifferent_access
  @client = ZendeskAPI::Client.new do |config|
    config.url = "#{connection_config[:subdomain]}.#{ZENDESK_URL_SUFFIX}"
    config.username = connection_config[:username]
    config.password = connection_config[:password]
  end
end

def load_catalog
  read_json(CATALOG_SPEC_PATH)
end

def pluralize_stream_name(name)
  { "ticket" => "tickets", "user" => "users" }.fetch(name, name)
end

def prepare_record_data(record, type)
  case type
  when "Tickets"
    {
      subject: record[:subject],
      comment: { body: record[:description] },
      priority: record[:priority],
      status: record[:status],
      requester_id: record[:requester_id],
      assignee_id: record[:assignee_id],
      tags: record[:tags]
    }
  when "Users"
    {
      name: record[:name],
      email: record[:email],
      role: record[:role]
    }
  else
    raise StandardError, "Unsupported record type: #{type}"
  end
end

def process_records(records, stream)
  write_success = 0
  write_failure = 0
  records.each do |record|
    zendesk_data = prepare_record_data(record, stream.name)
    plural_stream_name = pluralize_stream_name(stream.name.downcase)
    if @action == "create"
      @client.send(plural_stream_name).create!(zendesk_data)
    else
      existing_record = @client.send(plural_stream_name).find(id: record[:id])
      existing_record.update!(zendesk_data)
    end
    write_success += 1
  rescue StandardError => e
    handle_exception(e, {
                       context: "ZENDESK:WRITE:EXCEPTION",
                       type: "error",
                       sync_id: @sync_config.sync_id,
                       sync_run_id: @sync_config.sync_run_id
                     })
    write_failure += 1
  end
  tracking_message(write_success, write_failure)
end

def tracking_message(success, failure)
  Multiwoven::Integrations::Protocol::TrackingMessage.new(
    success: success, failed: failure
  ).to_multiwoven_message
end

def write(sync_config, records, action = "create")
  @sync_config = sync_config
  @action = sync_config.stream.action || action
  initialize_client(sync_config.destination.connection_specification)
  process_records(records, sync_config.stream)
rescue StandardError => e
  handle_exception(e, {
                     context: "ZENDESK:WRITE:EXCEPTION",
                     type: "error",
                     sync_id: @sync_config.sync_id,
                     sync_run_id: @sync_config.sync_run_id
                   })
  failure_status(e)
end