<?php

if ( ! defined( 'ABSPATH' ) ) {
	exit;
}

class GDBTOModQuote {
	private $header = false;

	private $location;
	private $method;

	public function __construct( $location, $method ) {
		$this->location = $location;
		$this->method   = $method;

		$this->add_content_filters();
	}

	private function _quote() {
		$id = bbp_get_reply_id();

		$is_reply = true;
		if ( $id == 0 ) {
			$is_reply = false;
			$id       = bbp_get_topic_id();
		}

		if ( d4p_bbt_o( 'quote_method' ) == 'html' ) {
			if ( $is_reply ) {
				$url = bbp_get_reply_url( $id );
				$ath = bbp_get_reply_author_display_name( $id );
			} else {
				$url = get_permalink( $id );
				$ath = bbp_get_topic_author_display_name( $id );
			}

			return '<a href="#' . $id . '" data-id="' . $id . '" data-url="' . $url . '" data-author="' . $ath . '" class="d4p-bbt-quote-link">' . __( 'Quote', 'gd-bbpress-tools' ) . '</a>';
		} else {
			return '<a href="#' . $id . '" data-id="' . $id . '" class="d4p-bbt-quote-link">' . __( 'Quote', 'gd-bbpress-tools' ) . '</a>';
		}
	}

	public function add_content_filters() {
		add_filter( 'bbp_get_reply_content', array( $this, 'quote_reply_content' ), 90 );
		add_filter( 'bbp_get_topic_content', array( $this, 'quote_topic_content' ), 90 );

		if ( $this->location == 'content' || $this->location == 'both' ) {
			add_filter( 'bbp_get_reply_content', array( $this, 'reply_content' ) );
			add_filter( 'bbp_get_topic_content', array( $this, 'reply_content' ) );
		}

		if ( $this->location == 'header' || $this->location == 'both' ) {
			add_filter( 'bbp_get_topic_admin_links', array( $this, 'reply_links' ), 10, 2 );
			add_filter( 'bbp_get_reply_admin_links', array( $this, 'reply_links' ), 10, 2 );
			add_action( 'bbp_theme_after_topic_admin_links', array( $this, 'after_reply_links' ) );
			add_action( 'bbp_theme_after_reply_admin_links', array( $this, 'after_reply_links' ) );
		}
	}

	public function remove_content_filters() {
		remove_filter( 'bbp_get_reply_content', array( $this, 'quote_reply_content' ), 9 );
		remove_filter( 'bbp_get_topic_content', array( $this, 'quote_topic_content' ), 9 );

		remove_filter( 'bbp_get_reply_content', array( $this, 'reply_content' ) );
		remove_filter( 'bbp_get_topic_content', array( $this, 'reply_content' ) );

		remove_filter( 'bbp_get_topic_admin_links', array( $this, 'reply_links' ) );
		remove_filter( 'bbp_get_reply_admin_links', array( $this, 'reply_links' ) );
		remove_action( 'bbp_theme_after_topic_admin_links', array( $this, 'after_reply_links' ) );
		remove_action( 'bbp_theme_after_reply_admin_links', array( $this, 'after_reply_links' ) );
	}

	public function quote_reply_content( $content ) {
		return '<div id="d4p-bbp-quote-' . bbp_get_reply_id() . '">' . $content . '</div>';
	}

	public function quote_topic_content( $content ) {
		return '<div id="d4p-bbp-quote-' . bbp_get_topic_id() . '">' . $content . '</div>';
	}

	public function reply_links( $content, $args ) {
		$this->header = true;

		$before = $args['before'] ?? '<span class="bbp-admin-links">';
		$after  = $args['after'] ?? '</span>';
		$sep    = $args['sep'] ?? ' | ';

		$old_links = trim( substr( $content, strlen( $before ), strlen( $content ) - strlen( $before ) - strlen( $after ) ) );

		return $before . $old_links . ( $old_links == '' ? '' : $sep ) . $this->_quote() . $after;
	}

	public function after_reply_links() {
		if ( ! $this->header ) {
			echo '<span class="bbp-admin-links">' . $this->_quote() . '</span>';
		}

		$this->header = false;
	}

	public function reply_content( $content ) {
		return $content . '<div class="d4p-bbt-quote-block">' . $this->_quote() . '</div>';
	}
}