<?php

namespace Test\Integration\SQLite;

use BitBadger\PDODocument\Configuration;
use BitBadger\PDODocument\Definition;
use BitBadger\PDODocument\Document;
use BitBadger\PDODocument\DocumentException;
use BitBadger\PDODocument\Mode;
use Test\Integration\SubDocument;
use Test\Integration\TestDocument;

/**
 * Utilities to create and destroy a throwaway SQLite database to use for testing
 */
class ThrowawayDb
{
    /** @var string The table used for document manipulation */
    public const string TABLE = "test_table";

    /**
     * Create a throwaway SQLite database
     *
     * @param bool $withData Whether to initialize this database with data (optional; defaults to `true`)
     * @return string The name of the database (use to pass to `destroy` function at end of test)
     * @throws DocumentException If any is encountered
     */
    public static function create(bool $withData = true): string
    {
        $fileName = sprintf('throwaway-%s-%d.db', date('His'), rand(10, 99));
        Configuration::$pdoDSN = "sqlite:./$fileName";
        Configuration::$mode   = Mode::SQLite;
        Configuration::resetPDO();

        if ($withData) {
            Definition::ensureTable(self::TABLE);
            Document::insert(self::TABLE, new TestDocument('one', 'FIRST!', 0));
            Document::insert(self::TABLE, new TestDocument('two', 'another', 10, new SubDocument('green', 'blue')));
            Document::insert(self::TABLE, new TestDocument('three', '', 4));
            Document::insert(self::TABLE, new TestDocument('four', 'purple', 17, new SubDocument('green', 'red')));
            Document::insert(self::TABLE, new TestDocument('five', 'purple', 18));
        }

        return $fileName;
    }

    /**
     * Destroy a throwaway SQLite database
     *
     * @param string $fileName The name of the SQLite database to be deleted
     */
    public static function destroy(string $fileName): void
    {
        Configuration::resetPDO();
        unlink("./$fileName");
    }

    /**
     * Destroy the given throwaway database and create another
     *
     * @param string $fileName The name of the database to be destroyed
     * @param bool $withData Whether to initialize the database with data (optional; defaults to `true`)
     * @return string The name of the new database
     * @throws DocumentException If any is encountered
     */
    public static function exchange(string $fileName, bool $withData = true): string
    {
        self::destroy($fileName);
        return self::create($withData);
    }
}