<?php

namespace lib\Core;

use lib\Database\DB;
use lib\Database\QueryBuilder;

abstract class Model
{

    private bool $_debug = false;
    protected static QueryBuilder $queryBuilder;
    public function __construct() {} //

    abstract public function getTable(): string;
    abstract public function getPKField(): string;
    abstract public function getTitleField(): string;
    final public function setDebug(bool $debug): void
    {
        $this->_debug = $debug;
    }
    final public function getDebug(): bool
    {
        return $this->_debug;
    }

    public static function query(): QueryBuilder
    {
        if (!isset(self::$queryBuilder)) {
            self::$queryBuilder = new QueryBuilder(pdo: DB::getPDO()); // Assuming DB::getPDO() gives PDO instance
        }
        return self::$queryBuilder->table((new static())->getTable());
    }

    public static function all(): array
    {
        return self::query()->get();
    }
    public static function find($id): ?array
    {
        return self::query()->where((new static())->getPKField(), '=', $id)->first();
    }
    public static function where(string $column, string $operator = "", mixed $value = ""): QueryBuilder
    {
        return self::query()->where($column, $operator, $value);
    }
    public static function whereNotIn(string $column, array $values): QueryBuilder
    {
        return self::query()->whereNotIn($column, $values);
    }
    public static function orWhereIn(string $column, array $values): QueryBuilder
    {
        return self::query()->orWhereIn($column, $values);
    }
    public static function count(): int
    {
        return self::query()->count();
    }
    public static function insert(array $data): bool
    {
        return self::query()->insert($data);
    }
    public static function updateById($id, array $data): bool
    {
        return self::query()->where((new static())->getPKField(), '=', $id)->update($data);
    }
    public static function deleteById($id): bool
    {
        return self::query()->where((new static())->getPKField(), '=', $id)->delete();
    }
}