<?php

namespace RoosterLMS\UI;

defined( 'ABSPATH' ) || exit;

abstract class TableDefinition {

	protected array $context = array();

	private ?TableViews $rl_table_views = null;

	abstract public function id(): string;

	abstract public function columns(): array;

	abstract public function source(): TableSource;

	abstract public function row( mixed $row ): string;

	abstract public function can_view( int $user_id, array $context ): bool;

	public function filters(): array {
		return array();
	}

	public function chips(): array {
		return array();
	}

	public function local_filters(): array {
		return array();
	}

	public function filter_values( mixed $row ): array {
		unset( $row );
		return array();
	}

	public function local_cap(): int {
		return max( 0, (int) apply_filters( 'rooster_lms_table_local_cap', DataTable::LOCAL_CAP, $this ) );
	}

	public function local_sorts(): array {
		return array();
	}

	public function sort_values( mixed $row ): array {
		unset( $row );
		return array();
	}

	public function search_label(): string {
		return '';
	}

	public function search_transport(): string {
		return 'get';
	}

	public function search_text( mixed $row ): string {
		unset( $row );
		return '';
	}

	protected static function search_text_of( array $parts ): string {
		$out = array();
		foreach ( $parts as $part ) {
			$part = is_scalar( $part ) ? trim( (string) $part ) : '';
			if ( '' !== $part && ! in_array( $part, $out, true ) ) {
				$out[] = $part;
			}
		}
		return implode( "\n", $out );
	}

	public function search_live(): bool {
		return false;
	}

	public function paging(): string {
		return 'offset';
	}

	public function per_page_options(): array {
		return array( 25, 50, 100, 200 );
	}

	public function default_order(): array {
		return array( '', 'asc' );
	}

	public function arg_prefix(): string {
		return '';
	}

	public function mode(): string {
		return 'rest';
	}

	public function live_frame(): bool {
		return false;
	}

	public function live_host( array $attrs, string $token ): ?array {
		unset( $attrs, $token );
		return null;
	}

	public function interactive(): string {
		return 'rooster-lms/table';
	}

	public function context(): array {
		return $this->context;
	}

	public function with_context( array $context ): static {
		$copy          = clone $this;
		$copy->context = self::clean_context( $context );
		return $copy;
	}

	public function with_views( TableViews $views ): static {
		$copy                 = clone $this;
		$copy->rl_table_views = $views;
		return $copy;
	}

	public function table_views(): ?TableViews {
		return $this->rl_table_views;
	}

	public static function clean_context( array $context ): array {
		$out = array();
		foreach ( $context as $key => $value ) {
			$key = sanitize_key( (string) $key );
			if ( '' === $key || ! is_scalar( $value ) || ! is_numeric( $value ) ) {
				continue;
			}
			$value = absint( $value );
			if ( $value > 0 && count( $out ) < 8 ) {
				$out[ $key ] = $value;
			}
		}
		ksort( $out );
		return $out;
	}

	public function base_url(): string {
		if ( defined( 'REST_REQUEST' ) && REST_REQUEST ) {
			$referer = wp_get_raw_referer();
			return is_string( $referer ) ? (string) wp_validate_redirect( $referer, '' ) : '';
		}
		$uri = isset( $_SERVER['REQUEST_URI'] ) ? esc_url_raw( wp_unslash( $_SERVER['REQUEST_URI'] ) ) : '';
		return '' === $uri ? '' : (string) $uri;
	}

	public function caption(): string {
		return '';
	}

	public function show_caption(): bool {
		return false;
	}

	public function empty_text( bool $filtered ): string {
		return $filtered ? __( 'No rows match these filters.', 'rooster-lms' ) : __( 'Nothing to show yet.', 'rooster-lms' );
	}

	public function exports(): array {
		return array();
	}

	public function bulk(): array {
		return array();
	}

	public function bulk_url(): string {
		return admin_url( 'admin-post.php' );
	}

	public function bulk_fields(): array {
		return array();
	}

	public function table_class(): string {
		return '';
	}

	public function kind(): string {
		return '';
	}

	public function screens(): array {
		return array();
	}

	public function labels(): array {
		return array();
	}

	public function language(): string {
		return '';
	}

	public function text_size(): ?bool {
		return null;
	}
}