<?php declare(strict_types=1);

namespace OCA\QuickNotes\Db;

use OCP\IDBConnection;
use OCP\AppFramework\Db\QBMapper;
use OCP\AppFramework\Db\DoesNotExistException;
use OCP\DB\QueryBuilder\IQueryBuilder;

/**
 * @method Note update(Note $note)
 */
class NoteMapper extends QBMapper {

	public function __construct(IDBConnection $db) {
		parent::__construct($db, 'quicknotes_notes', Note::class);
	}

	/**
	 * @param int $id
	 * @param string $userId
	 * @throws \OCP\AppFramework\Db\DoesNotExistException if not found
	 * @throws \OCP\AppFramework\Db\MultipleObjectsReturnedException if more than one result
	 * @return Note
	 */
	public function find($id, $userId): Note {
		$qb = $this->db->getQueryBuilder();
		$qb->select('*')
			->from($this->tableName)
			->where(
				$qb->expr()->eq('user_id', $qb->createNamedParameter($userId, IQueryBuilder::PARAM_STR)),
				$qb->expr()->eq('id', $qb->createNamedParameter($id, IQueryBuilder::PARAM_INT))
			);
		return $this->findEntity($qb);
	}

	/**
	 * @param string $userId
	 * @param string $queryStr
	 * @param int|null $offset
	 * @param int|null $limit
	 *
	 * @throws \OCP\AppFramework\Db\DoesNotExistException if not found
	 * @throws \OCP\AppFramework\Db\MultipleObjectsReturnedException if more than one result
	 *
	 * @return Note[]
	 */
	public function findLike($userId, $queryStr, ?int $offset = null, ?int $limit = null): array {
		$qb = $this->db->getQueryBuilder();
		$qb->select('*')
			->from($this->tableName)
			->where($qb->expr()->eq('user_id', $qb->createNamedParameter($userId, IQueryBuilder::PARAM_STR)))
			->andWhere(
				$qb->expr()->orX(
					$qb->expr()->like($qb->func()->lower('title'), $qb->createParameter('query')),
					$qb->expr()->like($qb->func()->lower('content'), $qb->createParameter('query'))
				)
			);

		$query = '%' . $this->db->escapeLikeParameter(strtolower($queryStr)) . '%';
		$qb->setParameter('query', $query);

		$qb->setFirstResult($offset);
		$qb->setMaxResults($limit);

		return $this->findEntities($qb);
	}

	/**
	 * @param int $id
	 * @throws \OCP\AppFramework\Db\DoesNotExistException if not found
	 * @throws \OCP\AppFramework\Db\MultipleObjectsReturnedException if more than one result
	 * @return Note
	 */
	public function findShared($id): Note {
		$qb = $this->db->getQueryBuilder();
		$qb->select('*')
			->from($this->tableName)
			->where(
				$qb->expr()->eq('id', $qb->createNamedParameter($id, IQueryBuilder::PARAM_INT))
			);
		return $this->findEntity($qb);
	}

	/**
	 * @return Note[]
	 */
	public function findAll(string $userId): array {
		$qb = $this->db->getQueryBuilder();
		$qb->select('*')
			->from($this->tableName)
			->where(
				$qb->expr()->eq('user_id', $qb->createNamedParameter($userId, IQueryBuilder::PARAM_STR))
			);
		return $this->findEntities($qb);
	}

	/**
	 * @return int
	 */
	public function colorIdCount(int $colorid): int {
		$qb = $this->db->getQueryBuilder();
		$qb->select('id')
			->from($this->tableName)
			->where(
				$qb->expr()->eq('color_id', $qb->createNamedParameter($colorid, IQueryBuilder::PARAM_INT))
			);
		return count($this->findEntities($qb));
	}

}