<?php
namespace ProVM\Implement\Database\Query;

use ProVM\Implement\Database\Query;
use ProVM\Concept\Database;

abstract class Create extends Query implements Database\Query\Create
{
    use hasTable;

    public function __construct(string $table)
    {
        $this->table($table);
    }

    public function table(string $table): Database\Query\Create
    {
        return $this->setTable($table);
    }
    public function columns(array|string $columns): Database\Query\Create
    {
        return $this->setColumns($columns);
    }

    protected array|string $columns;

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

    public function addColumn(string $column): Database\Query\Create
    {
        $this->columns []= $column;
        return $this;
    }

    public function setColumns(array|string $columns): Database\Query\Create
    {
        if (is_string($columns)) {
            $this->columns = $columns;
            return $this;
        }
        foreach ($columns as $column) {
            $this->addColumn($column);
        }
        return $this;
    }

    protected function getColumnsString(): string
    {
        if (is_string($this->columns)) {
            return $this->columns;
        }
        return implode(', ', $this->getColumns());
    }

    public function build(): string
    {
        return "CREATE {$this->getTable()} ({$this->getColumnsString()})";
    }
}