<?php declare(strict_types=1);

namespace Test\Integration\SQLite;

use BitBadger\PDODocument\{Count, Custom, DocumentException, Query};
use BitBadger\PDODocument\Mapper\{CountMapper, DocumentMapper};
use PHPUnit\Framework\Attributes\TestDox;
use PHPUnit\Framework\TestCase;
use Test\Integration\TestDocument;

/**
 * SQLite Integration tests for the Custom class
 */
#[TestDox('Custom (SQLite integration)')]
class CustomTest extends TestCase
{
    /** @var string Database name for throwaway database */
    private string $dbName;

    public function setUp(): void
    {
        parent::setUp();
        $this->dbName = ThrowawayDb::create();
    }

    public function tearDown(): void
    {
        ThrowawayDb::destroy($this->dbName);
    }

    public function testRunQuerySucceedsWithAValidQuery()
    {
        $stmt = &Custom::runQuery('SELECT data FROM ' . ThrowawayDb::TABLE . ' LIMIT 1', []);
        try {
            $this->assertNotNull($stmt, 'The statement should not have been null');
        } finally {
            $stmt = null;
        }
    }

    public function testRunQueryFailsWithAnInvalidQuery()
    {
        $this->expectException(DocumentException::class);
        $stmt = &Custom::runQuery('GRAB stuff FROM over_there UNTIL done', []);
        try {
            $this->assertTrue(false, 'This code should not be reached');
        } finally {
            $stmt = null;
        }
    }

    public function testListSucceedsWhenDataIsFound()
    {
        $list = Custom::list(Query::selectFromTable(ThrowawayDb::TABLE), [], new DocumentMapper(TestDocument::class));
        $this->assertNotNull($list, 'The document list should not be null');
        $count = 0;
        foreach ($list->items() as $ignored) $count++;
        $this->assertEquals(5, $count, 'There should have been 5 documents in the list');
    }

    public function testListSucceedsWhenNoDataIsFound()
    {
        $list = Custom::list(Query::selectFromTable(ThrowawayDb::TABLE) . " WHERE data->>'num_value' > :value",
            [':value' => 100], new DocumentMapper(TestDocument::class));
        $this->assertNotNull($list, 'The document list should not be null');
        $this->assertFalse($list->hasItems(), 'There should have been no documents in the list');
    }

    public function testArraySucceedsWhenDataIsFound()
    {
        $array = Custom::array(Query::selectFromTable(ThrowawayDb::TABLE) . " WHERE data->>'sub' IS NOT NULL", [],
            new DocumentMapper(TestDocument::class));
        $this->assertNotNull($array, 'The document array should not be null');
        $this->assertCount(2, $array, 'There should have been 2 documents in the array');
    }

    public function testArraySucceedsWhenNoDataIsFound()
    {
        $array = Custom::array(Query::selectFromTable(ThrowawayDb::TABLE) . " WHERE data->>'value' = :value",
            [':value' => 'not there'], new DocumentMapper(TestDocument::class));
        $this->assertNotNull($array, 'The document array should not be null');
        $this->assertCount(0, $array, 'There should have been no documents in the array');
    }

    public function testSingleSucceedsWhenARowIsFound(): void
    {
        $doc = Custom::single('SELECT data FROM ' . ThrowawayDb::TABLE . " WHERE data->>'id' = :id", [':id' => 'one'],
            new DocumentMapper(TestDocument::class));
        $this->assertNotNull($doc, 'There should have been a document returned');
        $this->assertEquals('one', $doc->id, 'The incorrect document was returned');
    }

    public function testSingleSucceedsWhenARowIsNotFound(): void
    {
        $doc = Custom::single('SELECT data FROM ' . ThrowawayDb::TABLE . " WHERE data->>'id' = :id",
            [':id' => 'eighty'], new DocumentMapper(TestDocument::class));
        $this->assertFalse($doc, 'There should not have been a document returned');
    }

    public function testNonQuerySucceedsWhenOperatingOnData()
    {
        Custom::nonQuery('DELETE FROM ' . ThrowawayDb::TABLE, []);
        $remaining = Count::all(ThrowawayDb::TABLE);
        $this->assertEquals(0, $remaining, 'There should be no documents remaining in the table');
    }

    public function testNonQuerySucceedsWhenNoDataMatchesWhereClause()
    {
        Custom::nonQuery('DELETE FROM ' . ThrowawayDb::TABLE . " WHERE data->>'num_value' > :value", [':value' => 100]);
        $remaining = Count::all(ThrowawayDb::TABLE);
        $this->assertEquals(5, $remaining, 'There should be 5 documents remaining in the table');
    }

    public function testScalarSucceeds()
    {
        $value = Custom::scalar("SELECT 5 AS it", [], new CountMapper());
        $this->assertEquals(5, $value, 'The scalar value was not returned correctly');
    }
}