<?php

namespace Slack\Interactive;

use Illuminate\Support\Arr;
use Illuminate\Support\Facades\Log;

use Slack\Message;

/**
 * Class InteractiveMessage
 *
 * @package Slack\Interactive
 *
 * [type] => interactive_message
 * [actions] => Array
 * (
 *   [0] => stdClass Object
 *   (
 *     [name] => type
 *     [type] => select
 *     [selected_options] => Array
 *     (
 *       [0] => stdClass Object
 *       (
 *         [value] => ID|1
 *       )
 *     )
 *   )
 * )
 * [callback_id] => classify|438
 * [team] => stdClass Object
 * (
 *   [id] => {SLACKTEAM}
 *   [domain] => {SLACKDOMAIN}
 * )
 * [channel] => stdClass Object
 * (
 *   [id] => {SLACKCHANNEL}
 *   [name] => directmessage
 * )
 * [user] => stdClass Object
 * (
 *   [id] => {SLACKUSER}
 *   [name] => {SLACKUSER}
 * )
 * [action_ts] => 1603777165.467584
 * [message_ts] => 1603768794.012800
 * [attachment_id] => 3
 * [token] => Oow8S2EFvrZoS9z8N4nwf9Jo
 * [is_app_unfurl] =>
 * [original_message] => stdClass Object
 * (
 *   ...
 * )
 * [response_url] => {SLACKRESPONSEURL}
 * [trigger_id] => 1452241456197.39333245939.7f8618e13013ae0a0ae7d86be2258021
 */
class InteractiveMessage extends Base
{
	protected const LOGKEY = 'IIM';

	// Does the event respond with a reply to the HTTP request, or via a post with a trigger
	public $respondNow = TRUE;

	public function __get($key)
	{
		switch ($key) {
			// An event can have more than 1 action, each action can have 1 value.
			case 'action_id':
			case 'name':
			case 'type':
				return object_get(Arr::get(object_get($this->_data,'actions'),$this->index),$key);

			case 'value':
				switch ($this->type) {
					case 'button':
						return Arr::get(object_get($this->_data,'actions'),$this->index)->value;
					case 'select':
						return Arr::get(object_get(Arr::get(object_get($this->_data,'actions'),$this->index),'selected_options'),0)->value;
				}
				break;

			case 'channel_id':
				return object_get($this->_data,'channel.id');
			case 'message_ts':
				return object_get($this->_data,$key);

			default:
				return parent::__get($key);
		}
	}

	/**
	 * This method should be overridden by a local implementation
	 *
	 * @return Message
	 */
	public function respond(): Message
	{
		Log::info(sprintf('%s:Interactive Message - Callback [%s] Name [%s] Type [%s]',static::LOGKEY,$this->callback_id,$this->name,$this->type),['m'=>__METHOD__]);

		$action = NULL;
		$id = NULL;

		if (preg_match('/^(.*)\|([0-9]+)/',$this->callback_id)) {
			[$action,$id] = explode('|',$this->callback_id,2);

		} elseif (preg_match('/^[a-z_]+$/',$this->callback_id)) {
			$id = $this->name;
			$action = $this->callback_id;

		} else {
			// If we get here, its an action that we dont know about.
			Log::notice(sprintf('%s:Unhandled CALLBACK [%s]',static::LOGKEY,$this->callback_id),['m'=>__METHOD__]);
		}

		switch ($action) {
			default:
				Log::notice(sprintf('%s:Unhandled ACTION [%s]',static::LOGKEY,$action),['m'=>__METHOD__]);
				return (new Message)->text('That didnt work, I didnt know what to do with your button - you might like to tell '.$this->team()->owner->slack_user);
		}
	}
}