<?php

namespace App\Controller;

use PDO;
use PDOException;

/**
 *
 */
class NameserverController
{
	
	public function __construct(private DatabaseConnection $databaseConnection)
	{}


	/**
	 * @return array|false
	 */
	public function findAll(): bool|array
	{
		$statement = "
            SELECT id, name, a, aaaa, apikey
            FROM " . DatabaseConnection::TABLE_NAMESERVERS;
		
		try {
			$statement = $this->databaseConnection->getConnection()->query($statement);
			return $statement->fetchAll(mode: PDO::FETCH_ASSOC);
		} catch (PDOException $e) {
			exit($e->getMessage());
		}
	}
	
	
	/**
	 * @param String $name
	 *
	 * @return array|false
	 */
	public function findByName(String $name): bool|array
	{
		$sql = "
			SELECT id, name, a, aaaa, apikey
			FROM " . DatabaseConnection::TABLE_NAMESERVERS . "
            WHERE name = :name";
		
		try {
			$statement = $this->databaseConnection->getConnection()->prepare($sql);
			$statement->bindParam(param: ':name', var: $name);
			$statement->execute();
			return $statement->fetch(PDO::FETCH_ASSOC);
		} catch (PDOException $e) {
			exit($e->getMessage());
		}
	}
	
	
	/**
	 * @param Int $id
	 *
	 * @return array|false
	 */
	public function findByID(Int $id): bool|array
	{
		$sql = "
			SELECT id, name, a, aaaa, apikey
			FROM " . DatabaseConnection::TABLE_NAMESERVERS . "
            WHERE id = :id";
		
		try {
			$statement = $this->databaseConnection->getConnection()->prepare($sql);
			$statement->bindParam(param:':id', var: $id);
			$statement->execute();
			return $statement->fetch(PDO::FETCH_ASSOC);
		} catch (PDOException $e) {
			exit($e->getMessage());
		}
	}
	
	
	/**
	 * @param String $name
	 * @param String $a
	 * @param String $aaaa
	 * @param String $apikey
	 *
	 * @return int
	 */
	public function insert(String $name, String $a, String $aaaa, String $apikey): int
	{
		$sql = "
            INSERT INTO " . DatabaseConnection::TABLE_NAMESERVERS . " (name, a, aaaa, apikey)
            VALUES (:name, :a, :aaaa, :apikey)";
		
		try {
			$statement = $this->databaseConnection->getConnection()->prepare($sql);
			$statement->bindParam(param: ':name', var: $name);
			$statement->bindParam(param: ':a', var: $a);
			$statement->bindParam(param: ':aaaa', var: $aaaa);
			$statement->bindParam(param: ':apikey', var: $apikey);
			$statement->execute();
			return $this->databaseConnection->getConnection()->lastInsertId();
		} catch (PDOException $e) {
			exit($e->getMessage());
		}
		
	}
	
	
	/**
	 * @param Int    $id
	 * @param String $name
	 * @param String $a
	 * @param String $aaaa
	 * @param String $apikey
	 *
	 * @return false|int
	 */
	public function update(Int $id, String $name, String $a, String $aaaa, String $apikey): bool|int
	{
		$current = $this->findByID($id);
		
		if (empty($name)) {
			$name = $current['name'] ?? '';
		}
		if (empty($a)) {
			$a = $current['a'] ?? '';
		}
		if (empty($aaaa)) {
			$aaaa = $current['aaaa'] ?? '';
		}
		if (empty($apikey)) {
			$apikey = $current['apikey'] ?? '';
		}
		
		$sql = "
			UPDATE " . DatabaseConnection::TABLE_NAMESERVERS . " SET
				name = :name,
				a = :a,
               	aaaa = :aaaa,
				apikey = :apikey
            WHERE id = :id";
		
		try {
			$statement = $this->databaseConnection->getConnection()->prepare($sql);
			$statement->bindParam(param: 'id', var: $id);
			$statement->bindParam(param: 'name', var: $name);
			$statement->bindParam(param: 'a', var: $a);
			$statement->bindParam(param: 'aaaa', var: $aaaa);
			$statement->bindParam(param: 'apikey', var: $apikey);
			$statement->execute();
			return $statement->rowCount();
		} catch (PDOException $e) {
			print($e->getMessage());
			return false;
		}
	}
	
	
	/**
	 * @param $id
	 *
	 * @return int
	 */
	public function delete($id): int
	{
		$statement = "
            DELETE FROM " . DatabaseConnection::TABLE_NAMESERVERS . "
            WHERE id = :id";
		
		try {
			$statement = $this->databaseConnection->getConnection()->prepare($statement);
			$statement->bindParam(param: 'id', var: $id);
			$statement->execute();
			return $statement->rowCount();
		} catch (PDOException $e) {
			exit($e->getMessage());
		}
	}
	
	/**
	 * @param String $field
	 *
	 * @return int
	 */
	public function getLongestEntry(String $field): int
	{
		$statement = "
            SELECT MAX(LENGTH(" . $field . ")) as length FROM " . DatabaseConnection::TABLE_NAMESERVERS;
		
		try {
			$statement = $this->databaseConnection->getConnection()->prepare($statement);
			$statement->execute();
			$result =  $statement->fetch();
			return $result['length'];
		} catch (PDOException $e) {
			exit($e->getMessage());
		}
	}
}