<?php
namespace BetterLinks\Tools\Migration;

class PTLOneClick extends BaseCSV {

	public function insert_link( $link_id ) {
		global $wpdb;
		$item = $wpdb->get_row(
			$wpdb->prepare( "SELECT * FROM {$wpdb->prefix}prli_links WHERE id=%s LIMIT 1", $link_id ),
			ARRAY_A
		);

		if ( empty( $item['name'] ) || $item['name'] == 1 ) {
			$failed_links = \BetterLinks\Helper::btl_get_option( 'btl_failed_migration_prettylinks_links' );
			if ( in_array( 'invalid_item_name-' . $item['id'], $failed_links ) ) {
				return true;
			}
			return $this->log_failed_links( $item, 'invalid_item_name-' );
		}

		$author_id = get_current_user_id();

		$slug = \BetterLinks\Helper::make_slug( $item['name'] );
		$link = apply_filters(
			'betterlinks/tools/migration/ptl_one_click_import_link_arg',
			array(
				'link_author'       => $author_id,
				'link_date'         => $item['created_at'],
				'link_date_gmt'     => $item['created_at'],
				'link_title'        => $item['name'],
				'link_slug'         => $slug,
				'link_note'         => '',
				'link_status'       => 'publish',
				'nofollow'          => isset( $item['nofollow'] ) && $item['nofollow'] == 1 ? $item['nofollow'] : '',
				'sponsored'         => isset( $item['sponsored'] ) && $item['sponsored'] == 1 ? $item['sponsored'] : '',
				'track_me'          => isset( $item['track_me'] ) && $item['track_me'] == 1 ? $item['track_me'] : '',
				'param_forwarding'  => isset( $item['param_forwarding'] ) && $item['param_forwarding'] == 1 ? $item['param_forwarding'] : '',
				'param_struct'      => '',
				'redirect_type'     => isset( $item['redirect_type'] ) ? $item['redirect_type'] : '',
				'target_url'        => isset( $item['url'] ) ? $item['url'] : '',
				'short_url'         => isset( $item['slug'] ) ? trim( $item['slug'], '/ ' ) : '',
				'link_order'        => 0,
				'link_modified'     => isset( $item['last_updated_at'] ) ? $item['last_updated_at'] : '',
				'link_modified_gmt' => isset( $item['last_updated_at'] ) ? $item['last_updated_at'] : '',
			),
			$item
		);

		$link_id = \BetterLinks\Helper::insert_link( $link );
		if ( $link_id ) {
			$keywords = $this->get_keywords( $item['id'], '' );
			if ( ! empty( $keywords ) ) {
				$keywords = wp_list_pluck( $keywords, 'text' );
				$keywords = implode( ',', $keywords );
				$this->insert_keywords( $link_id, $keywords );
			}
			if ( isset( $item['link_cpt_id'] ) && ! empty( $item['link_cpt_id'] ) ) {
				$term      = get_the_terms( $item['link_cpt_id'], 'pretty-link-category' );
				$term      = ! empty( $term ) && is_array( $term ) ? current( $term )->name : 'uncategorized';
				$terms_ids = \BetterLinks\Helper::insert_category_terms( array( $term ) );
				if ( count( $terms_ids ) > 0 ) {
					foreach ( $terms_ids as $term_id ) {
						\BetterLinks\Helper::insert_terms_relationships( $term_id, $link_id );
					}
				}
			}
			$current_links_count = \BetterLinks\Helper::btl_get_option( 'btl_migration_prettylinks_current_successful_links_count' );
			$current_links_count = absint( $current_links_count ) + 1;
			\BetterLinks\Helper::btl_update_option( 'btl_migration_prettylinks_current_successful_links_count', $current_links_count, false, true );
			return true;
		} else {
			$failed_links = \BetterLinks\Helper::btl_get_option( 'btl_failed_migration_prettylinks_links' );
			if ( in_array( 'insert_link_failed-' . $item['id'], $failed_links ) ) {
				return true;
			}
			return $this->log_failed_links( $item, 'insert_link_failed-' );
		}
		return true;
	}

	public function insert_click( $click_id ) {
		global $wpdb;
		$item = $wpdb->get_row(
			"SELECT * FROM {$wpdb->prefix}prli_clicks WHERE id = $click_id LIMIT 1",
			ARRAY_A
		);

		if ( empty( $item['uri'] ) ) {
			$failed_clicks = \BetterLinks\Helper::btl_get_option( 'btl_failed_migration_prettylinks_clicks' );
			if ( in_array( 'uri_doesnot_exist-' . $item['id'], $failed_clicks ) ) {
				return true;
			}
			return $this->log_failed_clicks( $item, 'uri_doesnot_exist-' );
		}

		$uri  = current( explode( '?', $item['uri'] ) );
		$uri  = \trim( $uri, '/ ' );
		$link = \BetterLinks\Helper::get_link_by_short_url( $uri );
		if ( count( $link ) === 0 ) {
			$uri  = current( explode( '%20', $uri ) );
			$uri  = \trim( $uri, '/ ' );
			$link = \BetterLinks\Helper::get_link_by_short_url( $uri );
		}

		if ( count( $link ) > 0 ) {
			$click     = array(
				'link_id'        => $link[0]['ID'],
				'ip'             => $item['ip'],
				'browser'        => $item['browser'],
				'os'             => $item['os'],
				'referer'        => $item['referer'],
				'host'           => $item['host'],
				'uri'            => $item['uri'],
				'click_count'    => '',
				'visitor_id'     => $item['vuid'],
				'click_order'    => '',
				'created_at'     => $item['created_at'],
				'created_at_gmt' => $item['created_at'],
			);
			$is_insert = \BetterLinks\Helper::insert_click( $click );
			if ( $is_insert ) {
				$current_clicks_count = \BetterLinks\Helper::btl_get_option( 'btl_migration_prettylinks_current_successful_clicks_count' );
				$current_clicks_count = absint( $current_clicks_count ) + 1;
				\BetterLinks\Helper::btl_update_option( 'btl_migration_prettylinks_current_successful_clicks_count', $current_clicks_count, false, true );
				return true;
			} else {
				$failed_clicks = \BetterLinks\Helper::btl_get_option( 'btl_failed_migration_prettylinks_clicks' );
				if ( in_array( 'not_inserted-' . $item['id'], $failed_clicks ) ) {
					return true;
				}
				return $this->log_failed_clicks( $item, 'not_inserted-' );
			}
		} else {
			$failed_clicks = \BetterLinks\Helper::btl_get_option( 'btl_failed_migration_prettylinks_clicks' );
			if ( in_array( 'link_not_found-' . $item['id'], $failed_clicks ) ) {
				return true;
			}
			return $this->log_failed_clicks( $item, 'link_not_found-' );
		}

		return true;
	}

	public function get_keywords( $link_id ) {
		global $wpdb;
		if ( $wpdb->get_var( "SHOW TABLES LIKE '{$wpdb->prefix}prli_keywords'" ) != "{$wpdb->prefix}prli_keywords" ) {
			return false;
		}
		$query   = $wpdb->prepare(
			"
                SELECT text
                FROM {$wpdb->prefix}prli_keywords AS kw
                WHERE kw.link_id=%d
            ",
			$link_id
		);
		$resutls = $wpdb->get_results( $query );
		if ( ! empty( $resutls ) ) {
			return $resutls;
		}
		return;
	}

	public function log_failed_links( $item, $prefix = '_-' ) {
		$failed_links       = \BetterLinks\Helper::btl_get_option( 'btl_failed_migration_prettylinks_links' );
		$total_failed_links = count( $failed_links );
		if ( $total_failed_links > 10000 ) {
			return true;
		}
		$slug = empty( $item['slug'] ) ? '_' : $item['slug'];
		array_push( $failed_links, $prefix . $item['id'] . '-' . $slug );
		$result = \BetterLinks\Helper::btl_update_option( 'btl_failed_migration_prettylinks_links', $failed_links, false, true );
		return ! $result;
	}
	public function log_failed_clicks( $item, $prefix = '_-' ) {
		$failed_clicks       = \BetterLinks\Helper::btl_get_option( 'btl_failed_migration_prettylinks_clicks' );
		$total_failed_clicks = count( $failed_clicks );
		if ( $total_failed_clicks > 10000 ) {
			return true;
		}
		$uri = empty( $item['uri'] ) ? '_' : $item['uri'];
		array_push( $failed_clicks, $prefix . $item['id'] . '-' . $uri );
		$result = \BetterLinks\Helper::btl_update_option( 'btl_failed_migration_prettylinks_clicks', $failed_clicks, false, true );
		return ! $result;
	}
}
