<?php

namespace Slack\Message;

use Illuminate\Support\Arr;

use Slack\BlockKit;
use Slack\Blockkit\Blocks;

final class Attachment extends BlockKit
{
	public const LIMITS = [
		'footer' => 300,
	];

	public static function item(): self
	{
		return new self();
	}

	/* OPTIONAL ITEMS */

	/**
	 * @note These are now legacy - use blocks instead
	 * @note more information on this available https://api.slack.com/legacy/interactive-message-field-guide
	 */
	public function addAction(AttachmentAction $action): self
	{
		if (! Arr::get($this->_data,'actions'))
			$this->actions = collect();

		$this->actions->push($action);

		return $this;
	}

	public function addBlock(Blocks $block): self
	{
		if (! Arr::get($this->_data,'blocks'))
			$this->blocks = collect();

		$this->blocks->push($block);

		return $this;
	}

	public function addField(string $title,string $value,bool $short): self
	{
		if (! Arr::get($this->_data,'fields'))
			$this->fields = collect();

		$this->fields->push(['title'=>$title,'value'=>$value,'short'=>$short]);

		return $this;
	}

	/**
	 * @param string $string
	 * @return $this
	 * @note Can either be one of good (green), warning (yellow), danger (red), or any hex color code (eg. #439FE0)
	 */
	public function color(string $string): self
	{
		$this->color = $string;

		return $this;
	}

	/**
	 * @param string $string
	 * @return $this
	 * @note Appears to be only used with actions
	 */
	public function callback_id(string $string): self
	{
		$this->callback_id = $string;

		return $this;
	}

	public function fallback(string $string): self
	{
		$this->fallback = $string;

		return $this;
	}

	public function footer(string $string): self
	{
		$this->footer = $this->validate('footer',$string);

		return $this;
	}

	public function footer_icon(string $string): self
	{
		$this->footer_icon = $string;

		return $this;
	}

	/**
	 * Set where markdown should be parsed by slack
	 *
	 * @param array $array
	 */
	public function mrkdwn_in(array $array): self
	{
		// @todo Add array check to make sure it has valid items
		$this->mrkdwn_in = $array;

		return $this;
	}

	public function pretext(string $string): self
	{
		$this->pretext = $string;

		return $this;
	}

	public function text(string $string): self
	{
		$this->text = $string;

		return $this;
	}

	public function title(string $string): self
	{
		$this->title = $string;

		return $this;
	}

	public function title_link(string $string): self
	{
		$this->title_link = $string;

		return $this;
	}

	public function ts(string $string): self
	{
		$this->ts = $string;

		return $this;
	}
}